diff --git a/hgdriver/hgdev/hg_scanner.cpp b/hgdriver/hgdev/hg_scanner.cpp
index 01dfca3..5130703 100644
--- a/hgdriver/hgdev/hg_scanner.cpp
+++ b/hgdriver/hgdev/hg_scanner.cpp
@@ -50,6 +50,7 @@ hg_scanner::hg_scanner(ScannerSerial serial
 
 	wait_usb_.set_debug_info("USB");
 	wait_img_.set_debug_info("Image");
+	wait_usb_result_.set_debug_info("start");
 	thread_usb_read_.reset(new std::thread(&hg_scanner::thread_handle_usb, this));
 	thread_img_handle_.reset(new std::thread(&hg_scanner::thread_image_handle, this));
 }
@@ -604,16 +605,6 @@ int hg_scanner::restore(int setting_no)
 	std::string	val("");
 
 	sprintf(key, "%d", setting_no);
-	setting_jsn_.at(key).at("name").get_to(val);
-	if (val == KNOWN_OPT_NAME_CUSTOM_GAMMA)
-	{
-		custom_gamma_val_->pt_count_r = custom_gamma_val_->pt_count_g = custom_gamma_val_->pt_count_b = 0;
-		for (int i = 0; i < ARRAY_SIZE(custom_gamma_val_->table); ++i)
-			custom_gamma_val_->table[i] = i & 0x0ff;
-
-		return SCANNER_ERR_OK;
-	}
-
 	setting_jsn_.at(key).at("type").get_to(val);
 	if (val == "string")
 	{
@@ -657,16 +648,6 @@ bool hg_scanner::get_default_value(void* buf, json* jsn)
 {
 	std::string type("");
 	
-	jsn->at("name").get_to(type);
-	if (type == KNOWN_OPT_NAME_CUSTOM_GAMMA)
-	{
-		SANE_Int* gma = (SANE_Int*)buf;
-		for (size_t i = 0; i < sizeof(custom_gamma_val_); ++i)
-			gma[i] = i & 0x0ff;
-
-		return true;
-	}
-
 	jsn->at("type").get_to(type);
 	if (type == "bool")
 	{
@@ -757,7 +738,8 @@ void hg_scanner::working_begin(void*)
 void hg_scanner::working_done(void*)
 {
 	imgs_.Clear();
-	final_imgs_.Clear();
+	if(user_cancel_)
+		final_imgs_.Clear();
 	while (paths_.Size())
 	{
 		remove(paths_.Take().c_str());
@@ -1646,9 +1628,6 @@ void hg_scanner::init_settings(const char* json_setting_text)
 		std::string	val("");
 
 		sprintf(key, "%d", sn);
-		setting_jsn_.at(key).at("name").get_to(val);
-		if (val == KNOWN_OPT_NAME_CUSTOM_GAMMA)
-			continue;
 
 #ifdef MAPPING_FUNCTION_IN_BASE
 		setting_jsn_.at(key).at("title").get_to(val);
@@ -1710,6 +1689,9 @@ int hg_scanner::try_third_app_handle_start(bool& handled)
 	handled = !async_io_;
 	if (handled)
 	{
+		while (wait_usb_result_.try_wait())
+			std::this_thread::sleep_for(std::chrono::milliseconds(3));
+
 		if (!wait_img_.is_waiting() || !wait_usb_.is_waiting() || final_imgs_.Size())
 			ret = SCANNER_ERR_OK;
 		else if (final_img_index_)
@@ -1724,6 +1706,19 @@ int hg_scanner::try_third_app_handle_start(bool& handled)
 
 	return ret;
 }
+int hg_scanner::try_third_app_after_start(int err)
+{
+	if (!async_io_)
+	{
+		if (wait_usb_result_.wait(500))
+		{
+			if (status_ != SCANNER_ERR_DEVICE_BUSY && status_ != SCANNER_ERR_OK)
+				err = status_;
+		}
+	}
+
+	return err;
+}
 int hg_scanner::notify_ui_working_status(const char* msg, int ev, int status)
 {
 	unsigned int s = status;
@@ -2097,17 +2092,12 @@ int hg_scanner::get_setting(int setting_no, char* json_txt_buf, int* len)
 		HG_VLOG_MINI_2(LOG_LEVEL_FATAL, "!!!option(%d - %s) is not found.\n", setting_no, sn);
 	text = setting_jsn_.at(sn).dump();
 	setting_jsn_.at(sn).at("name").get_to(name);
-	if (name == KNOWN_OPT_NAME_CUSTOM_GAMMA)
-	{
-		is_gamma = true;
-		add = 4 * sizeof(custom_gamma_val_);
-	}
-	else if (name == KNOWN_OPT_NAME_CUSTOM_AREA_LEFT || name == KNOWN_OPT_NAME_CUSTOM_AREA_RIGHT)
+	if (name == SANE_STD_OPT_NAME_CUSTOM_AREA_LEFT || name == SANE_STD_OPT_NAME_CUSTOM_AREA_RIGHT)
 	{
 		is_area_x = true;
 		add = 20;
 	}
-	else if (name == KNOWN_OPT_NAME_CUSTOM_AREA_TOP || name == KNOWN_OPT_NAME_CUSTOM_AREA_BOTTOM)
+	else if (name == SANE_STD_OPT_NAME_CUSTOM_AREA_TOP || name == SANE_STD_OPT_NAME_CUSTOM_AREA_BOTTOM)
 	{
 		is_area_y = true;
 		add = 20;
@@ -2211,8 +2201,8 @@ int hg_scanner::get_image_info(SANE_Parameters* ii)
 
 	if (ret == SCANNER_ERR_NO_DATA /*&& final_img_index_ == 0*/)
 	{
-		if (status_ != SCANNER_ERR_OK)
-			ret = status_;
+		if (status_ != SCANNER_ERR_OK && status_ != SCANNER_ERR_DEVICE_BUSY)
+			ret = SCANNER_ERR_NO_DATA;
 		else
 		{
 			ii->depth = 8;
diff --git a/hgdriver/hgdev/hg_scanner.h b/hgdriver/hgdev/hg_scanner.h
index fc7d3bb..5ed0f88 100644
--- a/hgdriver/hgdev/hg_scanner.h
+++ b/hgdriver/hgdev/hg_scanner.h
@@ -217,6 +217,7 @@ protected:
     volatile bool   user_cancel_;
     platform_event     wait_usb_;
     platform_event     wait_img_;
+    platform_event      wait_usb_result_;
     usb_io*         io_;
     std::mutex      io_lock_;
     bool            online_;
@@ -259,6 +260,7 @@ protected:
     void init_settings(const char* json_setting_text);
     int on_scann_error(int err);        // 返回“0”忽略错误继续执行，其它值则停止后续工作
     int try_third_app_handle_start(bool& handled);
+    int try_third_app_after_start(int err);
 
     // callback to ui ...
     int notify_ui_working_status(const char* msg, int ev = SANE_EVENT_STATUS, int status = SCANNER_ERR_OK);
diff --git a/hgdriver/hgdev/hg_scanner_200.cpp b/hgdriver/hgdev/hg_scanner_200.cpp
index 9e8c750..b1a2cd5 100644
--- a/hgdriver/hgdev/hg_scanner_200.cpp
+++ b/hgdriver/hgdev/hg_scanner_200.cpp
@@ -6,7 +6,7 @@
 #endif
 
 
-static std::string	jsontext("{\"device_type\":\"G100\",\"option_count\":56,\"1\":{\"category\":\"base\",\"name\":\"cfg-1\",\"title\":\"\\u6062\\u590d\\u9ed8\\u8ba4\\u8bbe\\u7f6e\",\"desc\":\"\\u6062\\u590d\\u9ed8\\u8ba4\\u8bbe\\u7f6e\",\"type\":\"button\",\"cur\":\"button\",\"default\":\"button\",\"size\":0},\"2\":{\"category\":\"advanced\",\"name\":\"cfg-2\",\"title\":\"\\u5e2e\\u52a9\",\"desc\":\"\\u663e\\u793a\\u8f6f\\u4ef6\\u5e2e\\u52a9\\u6587\\u6863\",\"type\":\"button\",\"cur\":\"true\",\"default\":\"true\",\"size\":4},\"3\":{\"category\":\"base\",\"name\":\"grp-1\",\"title\":\"\\u57fa\\u672c\\u8bbe\\u7f6e\",\"type\":\"group\"},\"4\":{\"category\":\"base\",\"name\":\"cfg-4\",\"title\":\"\\u591a\\u6d41\\u8f93\\u51fa\",\"desc\":\"\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4},\"5\":{\"category\":\"base\",\"name\":\"cfg-5\",\"title\":\"\\u591a\\u6d41\\u8f93\\u51fa\\u7c7b\\u578b\",\"desc\":\"\",\"type\":\"string\",\"cur\":\"\\u65e0\",\"default\":\"\\u65e0\",\"size\":32,\"range\":[\"\\u65e0\",\"\\u5f69\\u8272+\\u7070\\u5ea6+\\u9ed1\\u767d\",\"\\u5f69\\u8272+\\u7070\\u5ea6\",\"\\u5f69\\u8272+\\u9ed1\\u767d\",\"\\u7070\\u5ea6+\\u9ed1\\u767d\"],\"depend_or\":[\"4==true\"]},\"6\":{\"category\":\"base\",\"name\":\"cfg-6\",\"title\":\"\\u989c\\u8272\\u6a21\\u5f0f\",\"desc\":\"\\u8bbe\\u7f6e\\u989c\\u8272\\u4f4d\\u6df1\",\"type\":\"string\",\"cur\":\"24\\u4f4d\\u5f69\\u8272\",\"default\":\"24\\u4f4d\\u5f69\\u8272\",\"size\":32,\"range\":[\"24\\u4f4d\\u5f69\\u8272\",\"256\\u7ea7\\u7070\\u5ea6\",\"\\u9ed1\\u767d\",\"\\u989c\\u8272\\u81ea\\u52a8\\u8bc6\\u522b\"],\"depend_or\":[\"4!=true\"]},\"7\":{\"category\":\"base\",\"name\":\"cfg-7\",\"title\":\"\\u7070\\u5ea6\\u6216\\u9ed1\\u767d\\u56fe\\u50cf - \\u9664\\u8272\",\"desc\":\"\\u9664\\u53bb\\u56fe\\u50cf\\u5f69\\u8272\",\"type\":\"string\",\"cur\":\"\\u4e0d\\u9664\\u8272\",\"default\":\"\\u4e0d\\u9664\\u8272\",\"size\":24,\"range\":[\"\\u4e0d\\u9664\\u8272\",\"\\u9664\\u7ea2\\u8272\",\"\\u9664\\u7eff\\u8272\",\"\\u9664\\u84dd\\u8272\",\"\\u7ea2\\u8272\\u589e\\u5f3a\",\"\\u7eff\\u8272\\u589e\\u5f3a\",\"\\u84dd\\u8272\\u589e\\u5f3a\"],\"depend_and\":[\"4!=true\",\"6!=24\\u4f4d\\u5f69\\u8272\",\"6!=\\u989c\\u8272\\u81ea\\u52a8\\u8bc6\\u522b\"]},\"8\":{\"category\":\"base\",\"name\":\"cfg-8\",\"title\":\"24\\u4f4d\\u5f69\\u8272\\u56fe\\u50cf - \\u591a\\u6d41\\u8f93\\u51fa\\u9664\\u7ea2\",\"desc\":\"\\u591a\\u901a\\u9053\\u8f93\\u51fa\\u4e2d\\uff0c\\u53bb\\u9664\\u7ea2\\u8272\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"4!=true\",\"6!=256\\u7ea7\\u7070\\u5ea6\",\"6!=\\u9ed1\\u767d\",\"6!=\\u989c\\u8272\\u81ea\\u52a8\\u8bc6\\u522b\"]},\"9\":{\"category\":\"base\",\"name\":\"cfg-9\",\"title\":\"24\\u4f4d\\u5f69\\u8272\\u56fe\\u50cf - \\u7b54\\u9898\\u5361\\u9664\\u7ea2\",\"desc\":\"\\u7b54\\u9898\\u5361\\u626b\\u63cf\\u4e2d\\u53bb\\u9664\\u7ea2\\u8272\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"4!=true\",\"6!=256\\u7ea7\\u7070\\u5ea6\",\"6!=\\u9ed1\\u767d\",\"6!=\\u989c\\u8272\\u81ea\\u52a8\\u8bc6\\u522b\"]},\"10\":{\"category\":\"base\",\"name\":\"cfg-10\",\"title\":\"\\u80cc\\u666f\\u79fb\\u9664\",\"desc\":\"\\u79fb\\u9664\\u5f69\\u8272\\u56fe\\u50cf\\u80cc\\u666f\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"4!=true\",\"6!=256\\u7ea7\\u7070\\u5ea6\",\"6!=\\u9ed1\\u767d\",\"6!=\\u989c\\u8272\\u81ea\\u52a8\\u8bc6\\u522b\"]},\"11\":{\"category\":\"base\",\"name\":\"cfg-11\",\"title\":\"    \\u80cc\\u666f\\u8272\\u5f69\\u6d6e\\u52a8\\u8303\\u56f4\",\"desc\":\"\\u8bbe\\u5b9a\\u80cc\\u666f\\u8272\\u5f69\\u7684\\u6d6e\\u52a8\\u8303\\u56f4\\uff0c\\u5728\\u8be5\\u8303\\u56f4\\u5185\\u7684\\u90fd\\u5f53\\u4f5c\\u80cc\\u666f\\u79fb\\u9664\",\"type\":\"int\",\"cur\":20,\"default\":20,\"size\":4,\"range\":{\"min\":1,\"max\":128},\"depend_or\":[\"10==true\"]},\"12\":{\"category\":\"base\",\"name\":\"cfg-12\",\"title\":\"\\u9510\\u5316\\u4e0e\\u6a21\\u7cca\",\"desc\":\"\\u9510\\u5316\\u4e0e\\u6a21\\u7cca\",\"type\":\"string\",\"cur\":\"\\u65e0\",\"default\":\"\\u65e0\",\"size\":24,\"range\":[\"\\u65e0\",\"\\u9510\\u5316\",\"\\u8fdb\\u4e00\\u6b65\\u9510\\u5316\",\"\\u6a21\\u7cca\",\"\\u8fdb\\u4e00\\u6b65\\u6a21\\u7cca\"],\"depend_and\":[\"4!=true\",\"6!=\\u9ed1\\u767d\",\"6!=\\u989c\\u8272\\u81ea\\u52a8\\u8bc6\\u522b\"]},\"13\":{\"category\":\"base\",\"name\":\"cfg-13\",\"title\":\"\\u53bb\\u9664\\u6469\\u5c14\\u7eb9\",\"desc\":\"\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"4!=true\",\"6!=\\u9ed1\\u767d\",\"6!=\\u989c\\u8272\\u81ea\\u52a8\\u8bc6\\u522b\"]},\"14\":{\"category\":\"base\",\"name\":\"cfg-14\",\"title\":\"\\u9664\\u7f51\\u7eb9\",\"desc\":\"\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"4!=true\",\"6!=\\u9ed1\\u767d\",\"6!=\\u989c\\u8272\\u81ea\\u52a8\\u8bc6\\u522b\"]},\"15\":{\"category\":\"base\",\"name\":\"cfg-15\",\"title\":\"\\u9519\\u8bef\\u6269\\u6563\",\"desc\":\"\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_or\":[\"6==\\u9ed1\\u767d\"]},\"16\":{\"category\":\"base\",\"name\":\"cfg-16\",\"title\":\"\\u9ed1\\u767d\\u56fe\\u50cf\\u566a\\u70b9\\u4f18\\u5316\",\"desc\":\"\\u566a\\u70b9\\u4f18\\u5316\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_or\":[\"6==\\u9ed1\\u767d\"]},\"17\":{\"category\":\"base\",\"name\":\"cfg-17\",\"title\":\" \\u566a\\u70b9\\u4f18\\u5316\\u5c3a\\u5bf8\",\"desc\":\"\\u566a\\u70b9\\u4f18\\u5316\\u5c3a\\u5bf8\",\"type\":\"int\",\"cur\":30,\"default\":30,\"size\":4,\"range\":{\"min\":10,\"max\":50},\"depend_or\":[\"16==true\"]},\"18\":{\"category\":\"base\",\"name\":\"source\",\"title\":\"\\u7eb8\\u5f20\\u5c3a\\u5bf8\",\"desc\":\"\\u8bbe\\u7f6e\\u7eb8\\u5f20\\u5927\\u5c0f\",\"type\":\"string\",\"cur\":\"\\u5339\\u914d\\u539f\\u59cb\\u5c3a\\u5bf8\",\"default\":\"\\u5339\\u914d\\u539f\\u59cb\\u5c3a\\u5bf8\",\"size\":48,\"range\":[\"A3\",\"8\\u5f00\",\"A4\",\"A4\\u6a2a\\u5411\",\"16\\u5f00\",\"16\\u5f00\\u6a2a\\u5411\",\"A5\",\"A5\\u6a2a\\u5411\",\"A6\",\"A6\\u6a2a\\u5411\",\"B4\",\"B5\",\"B5\\u6a2a\\u5411\",\"B6\",\"B6\\u6a2a\\u5411\",\"Letter\",\"Letter\\u6a2a\\u5411\",\"Double Letter\",\"LEGAL\",\"\\u5339\\u914d\\u539f\\u59cb\\u5c3a\\u5bf8\",\"\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\\u81ea\\u52a8\\u88c1\\u5207\",\"\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\",\"\\u4e09\\u8054\\u8bd5\\u5377\"]},\"19\":{\"category\":\"base\",\"name\":\"cfg-19\",\"title\":\"\\u81ea\\u5b9a\\u4e49\\u626b\\u63cf\\u533a\\u57df\",\"desc\":\"\\u81ea\\u5b9a\\u4e49\\u626b\\u63cf\\u533a\\u57df\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"18!=\\u5339\\u914d\\u539f\\u59cb\\u5c3a\\u5bf8\",\"18!=\\u4e09\\u8054\\u8bd5\\u5377\",\"18!=\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\",\"18!=\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\\u81ea\\u52a8\\u88c1\\u5207\"]},\"20\":{\"category\":\"base\",\"name\":\"tl-x\",\"title\":\"\\u626b\\u63cf\\u533a\\u57df\\u5de6\\u4fa7\\uff08mm\\uff09\",\"desc\":\"\\u81ea\\u5b9a\\u4e49\\u626b\\u63cf\\u533a\\u57df\\u5de6\\u4e0a\\u89d2x\\u5750\\u6807\",\"type\":\"float\",\"cur\":0.000000,\"default\":0.000000,\"size\":4,\"range\":{\"min\":0.000000,\"max\":210.000000},\"depend_and\":[\"19==true\"]},\"21\":{\"category\":\"base\",\"name\":\"br-x\",\"title\":\"\\u626b\\u63cf\\u533a\\u57df\\u53f3\\u4fa7\\uff08mm\\uff09\",\"desc\":\"\\u81ea\\u5b9a\\u4e49\\u626b\\u63cf\\u533a\\u57df\\u53f3\\u4e0b\\u89d2x\\u5750\\u6807\",\"type\":\"float\",\"cur\":210.000000,\"default\":210.000000,\"size\":4,\"range\":{\"min\":0.000000,\"max\":210.000000},\"depend_and\":[\"19==true\"]},\"22\":{\"category\":\"base\",\"name\":\"tl-y\",\"title\":\"\\u626b\\u63cf\\u533a\\u57df\\u4e0a\\u4fa7\\uff08mm\\uff09\",\"desc\":\"\\u81ea\\u5b9a\\u4e49\\u626b\\u63cf\\u533a\\u57df\\u5de6\\u4e0a\\u89d2y\\u5750\\u6807\",\"type\":\"float\",\"cur\":0.000000,\"default\":0.000000,\"size\":4,\"range\":{\"min\":0.000000,\"max\":297.000000},\"depend_and\":[\"19==true\"]},\"23\":{\"category\":\"base\",\"name\":\"br-y\",\"title\":\"\\u626b\\u63cf\\u533a\\u57df\\u4e0b\\u4fa7\\uff08mm\\uff09\",\"desc\":\"\\u81ea\\u5b9a\\u4e49\\u626b\\u63cf\\u533a\\u57df\\u53f3\\u4e0b\\u89d2y\\u5750\\u6807\",\"type\":\"float\",\"cur\":297.000000,\"default\":297.000000,\"size\":4,\"range\":{\"min\":0.000000,\"max\":297.000000},\"depend_and\":[\"19==true\"]},\"24\":{\"category\":\"base\",\"name\":\"duplex\",\"title\":\"\\u626b\\u63cf\\u9875\\u9762\",\"desc\":\"\\u8bbe\\u7f6e\\u9875\\u9762\\u626b\\u63cf\\u65b9\\u5f0f\",\"type\":\"string\",\"cur\":\"\\u53cc\\u9762\",\"default\":\"\\u53cc\\u9762\",\"size\":40,\"range\":[\"\\u5355\\u9762\",\"\\u53cc\\u9762\",\"\\u8df3\\u8fc7\\u7a7a\\u767d\\u9875\\uff08\\u901a\\u7528\\uff09\",\"\\u8df3\\u8fc7\\u7a7a\\u767d\\u9875\\uff08\\u53d1\\u7968\\u7eb8\\uff09\",\"\\u5bf9\\u6298\"]},\"25\":{\"category\":\"base\",\"name\":\"cfg-25\",\"title\":\" 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\\u8df3\\u8fc7\\u7a7a\\u767d\\u9875\\u7075\\u654f\\u5ea6\",\"desc\":\"\\u7075\\u654f\\u5ea6\\u8d8a\\u9ad8\\uff0c\\u5219\\u8d8a\\u5bb9\\u6613\\u8df3\\u8fc7\",\"type\":\"int\",\"cur\":50,\"default\":50,\"size\":4,\"range\":{\"min\":1,\"max\":100},\"depend_or\":[\"24==\\u8df3\\u8fc7\\u7a7a\\u767d\\u9875\\uff08\\u901a\\u7528\\uff09\",\"24==\\u8df3\\u8fc7\\u7a7a\\u767d\\u9875\\uff08\\u53d1\\u7968\\u7eb8\\uff09\"]},\"26\":{\"category\":\"base\",\"name\":\"resolution\",\"title\":\"\\u5206\\u8fa8\\u7387\",\"desc\":\"\\u626b\\u63cf\\u4eea\\u5206\\u8fa8\\u7387\",\"type\":\"int\",\"cur\":200,\"default\":200,\"size\":4,\"range\":[100,150,200,240,300,600]},\"27\":{\"category\":\"base\",\"name\":\"cfg-27\",\"title\":\"\\u4ea4\\u6362\\u6b63\\u53cd\\u9762\",\"desc\":\"\\u4ea4\\u6362\\u6b63\\u53cd\\u9762\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"24!=\\u5355\\u9762\"]},\"28\":{\"category\":\"base\",\"name\":\"cfg-28\",\"title\":\"\\u56fe\\u50cf\\u62c6\\u5206\",\"desc\":\"\\u81ea\\u52a8\\u62c6\\u5206\\u56fe\\u50cf\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_or\":[\"24!=\\u5bf9\\u6298\"]},\"29\":{\"category\":\"base\",\"name\":\"cfg-29\",\"title\":\"\\u81ea\\u52a8\\u7ea0\\u504f\",\"desc\":\"\\u81ea\\u52a8\\u7ea0\\u504f\",\"type\":\"bool\",\"cur\":true,\"default\":true,\"size\":4,\"depend_or\":[\"24!=\\u5bf9\\u6298\"]},\"30\":{\"category\":\"base\",\"name\":\"grp-2\",\"title\":\"\\u4eae\\u5ea6\",\"type\":\"group\"},\"31\":{\"category\":\"base\",\"name\":\"cfg-31\",\"title\":\"\\u542f\\u7528\\u8272\\u8c03\\u66f2\\u7ebf\",\"desc\":\"\\u901a\\u8fc7\\u8272\\u8c03\\u66f2\\u7ebf\\u6765\\u8bbe\\u7f6e\\u56fe\\u50cf\\u4f3d\\u9a6c\\u503c\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4},\"32\":{\"category\":\"base\",\"name\":\"brightness\",\"title\":\"\\u4eae\\u5ea6\\u503c\",\"desc\":\"\\u8c03\\u6574\\u56fe\\u7247\\u4eae\\u5ea6\",\"type\":\"int\",\"cur\":128,\"default\":128,\"size\":4,\"range\":{\"min\":1,\"max\":255},\"depend_and\":[\"31==false\"]},\"33\":{\"category\":\"base\",\"name\":\"contrast\",\"title\":\"\\u5bf9\\u6bd4\\u5ea6\",\"desc\":\"\\u8c03\\u6574\\u56fe\\u7247\\u5bf9\\u6bd4\\u5ea6\",\"type\":\"int\",\"cur\":4,\"default\":4,\"size\":4,\"range\":{\"min\":1,\"max\":7},\"depend_and\":[\"31==false\"]},\"34\":{\"category\":\"base\",\"name\":\"cfg-34\",\"title\":\"\\u4f3d\\u9a6c\\u503c\",\"desc\":\"\\u8c03\\u6574\\u56fe\\u7247\\u4f3d\\u9a6c\\u503c\",\"type\":\"float\",\"cur\":1.000000,\"default\":1.000000,\"size\":4,\"range\":{\"min\":0.010000,\"max\":5.000000},\"depend_and\":[\"31==false\"]},\"35\":{\"category\":\"base\",\"name\":\"grp-3\",\"title\":\"\\u56fe\\u50cf\\u5904\\u7406\",\"type\":\"group\"},\"36\":{\"category\":\"base\",\"name\":\"cfg-36\",\"title\":\"\\u6d88\\u9664\\u9ed1\\u6846\",\"desc\":\"\\u6d88\\u9664\\u9ed1\\u6846\",\"type\":\"bool\",\"cur\":true,\"default\":true,\"size\":4},\"37\":{\"category\":\"base\",\"name\":\"cfg-37\",\"title\":\"\\u6df1\\u8272\\u6837\\u5f20\",\"desc\":\"\\u6df1\\u8272\\u6837\\u5f20\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"24!=\\u5bf9\\u6298\",\"36!=true\",\"18!=\\u5339\\u914d\\u539f\\u59cb\\u5c3a\\u5bf8\",\"18!=\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\",\"18!=\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\\u81ea\\u52a8\\u88c1\\u5207\",\"29!=true\"]},\"38\":{\"category\":\"advanced\",\"name\":\"cfg-38\",\"title\":\"\\u9608\\u503c\",\"desc\":\"\\u9608\\u503c\",\"type\":\"int\",\"cur\":40,\"default\":40,\"size\":4,\"range\":{\"min\":30,\"max\":50},\"depend_or\":[\"36==true\",\"18==\\u5339\\u914d\\u539f\\u59cb\\u5c3a\\u5bf8\",\"18==\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\",\"18==\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\\u81ea\\u52a8\\u88c1\\u5207\",\"29==true\"]},\"39\":{\"category\":\"advanced\",\"name\":\"cfg-39\",\"title\":\"\\u80cc\\u666f\\u6297\\u566a\\u7b49\\u7ea7\",\"desc\":\"\\u80cc\\u666f\\u6297\\u566a\\u7b49\\u7ea7\",\"type\":\"int\",\"cur\":8,\"default\":8,\"size\":4,\"range\":{\"min\":1,\"max\":20},\"depend_or\":[\"36==true\",\"18==\\u5339\\u914d\\u539f\\u59cb\\u5c3a\\u5bf8\",\"18==\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\",\"18==\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\\u81ea\\u52a8\\u88c1\\u5207\",\"29==true\"]},\"40\":{\"category\":\"advanced\",\"name\":\"cfg-40\",\"title\":\"\\u8fb9\\u7f18\\u7f29\\u8fdb\",\"desc\":\"\\u8fb9\\u7f18\\u7f29\\u8fdb\",\"type\":\"int\",\"cur\":5,\"default\":5,\"size\":4,\"range\":{\"min\":5,\"max\":30},\"depend_or\":[\"36==true\",\"18==\\u5339\\u914d\\u539f\\u59cb\\u5c3a\\u5bf8\",\"18==\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\\u81ea\\u52a8\\u88c1\\u5207\",\"29==true\",\"18==\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\"]},\"41\":{\"category\":\"advanced\",\"name\":\"cfg-41\",\"title\":\"\\u80cc\\u666f\\u586b\\u5145\\u65b9\\u5f0f\",\"desc\":\"\\u80cc\\u666f\\u586b\\u5145\\u65b9\\u5f0f\",\"type\":\"string\",\"cur\":\"\\u51f8\\u591a\\u8fb9\\u5f62\",\"default\":\"\\u51f8\\u591a\\u8fb9\\u5f62\",\"size\":40,\"range\":[\"\\u51f8\\u591a\\u8fb9\\u5f62\",\"\\u51f9\\u591a\\u8fb9\\u5f62\"],\"depend_or\":[\"36==true\"]},\"42\":{\"category\":\"base\",\"name\":\"cfg-42\",\"title\":\"\\u9632\\u6b62\\u6e17\\u900f\",\"desc\":\"\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4},\"43\":{\"category\":\"base\",\"name\":\"cfg-43\",\"title\":\" \\u9632\\u6b62\\u6e17\\u900f\\u7b49\\u7ea7\",\"desc\":\"\",\"type\":\"string\",\"cur\":\"\\u8f83\\u5f31\",\"default\":\"\\u8f83\\u5f31\",\"size\":16,\"range\":[\"\\u5f31\",\"\\u8f83\\u5f31\",\"\\u4e00\\u822c\",\"\\u8f83\\u5f3a\",\"\\u5f3a\"],\"depend_or\":[\"42==true\"]},\"44\":{\"category\":\"base\",\"name\":\"cfg-44\",\"title\":\"\\u7a7f\\u5b54\\u79fb\\u9664\",\"desc\":\"\\u79fb\\u9664\\u7eb8\\u5f20\\u4e2d\\u7684\\u7a7f\\u5b54\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4},\"45\":{\"category\":\"base\",\"name\":\"cfg-45\",\"title\":\" \\u7a7f\\u5b54\\u641c\\u7d22\\u8303\\u56f4\\u5360\\u5e45\\u9762\\u6bd4\\u4f8b\",\"desc\":\"\\u7a7f\\u5b54\\u641c\\u7d22\\u8303\\u56f4\\u5360\\u5e45\\u9762\\u6bd4\\u4f8b\",\"type\":\"float\",\"cur\":0.100000,\"default\":0.100000,\"size\":4,\"range\":{\"min\":0.010000,\"max\":0.500000},\"depend_or\":[\"44==true\"]},\"46\":{\"category\":\"base\",\"name\":\"cfg-46\",\"title\":\"\\u8272\\u5f69\\u586b\\u5145\",\"desc\":\"\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"36==true\"]},\"47\":{\"category\":\"base\",\"name\":\"grp-4\",\"title\":\"\\u9001\\u7eb8\\u65b9\\u5f0f\\u8bbe\\u7f6e\",\"type\":\"group\"},\"48\":{\"category\":\"base\",\"name\":\"cfg-48\",\"title\":\"\\u8d85\\u58f0\\u6ce2\\u68c0\\u6d4b\",\"desc\":\"\\u8d85\\u58f0\\u6ce2\\u68c0\\u6d4b\\u9001\\u7eb8\\u72b6\\u6001\",\"type\":\"bool\",\"cur\":true,\"default\":true,\"size\":4},\"49\":{\"category\":\"base\",\"name\":\"cfg-49\",\"title\":\"\\u88c5\\u8ba2\\u68c0\\u6d4b\",\"desc\":\"\\u68c0\\u6d4b\\u7eb8\\u5f20\\u4e0a\\u662f\\u5426\\u6709\\u9489\\u4e66\\u9489\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4},\"50\":{\"category\":\"base\",\"name\":\"cfg-50\",\"title\":\"\\u626b\\u63cf\\u5f20\\u6570\",\"desc\":\"\\u626b\\u63cf\\u7eb8\\u5f20\\u6570\\u91cf\",\"type\":\"string\",\"cur\":\"\\u8fde\\u7eed\\u626b\\u63cf\",\"default\":\"\\u8fde\\u7eed\\u626b\\u63cf\",\"size\":32,\"range\":[\"\\u8fde\\u7eed\\u626b\\u63cf\",\"\\u626b\\u63cf\\u6307\\u5b9a\\u5f20\\u6570\"]},\"51\":{\"category\":\"base\",\"name\":\"cfg-51\",\"title\":\" \\u626b\\u63cf\\u6570\\u91cf\",\"desc\":\"\\u626b\\u63cf\\u6307\\u5b9a\\u6570\\u91cf\",\"type\":\"int\",\"cur\":1,\"default\":1,\"size\":4,\"depend_or\":[\"50==\\u626b\\u63cf\\u6307\\u5b9a\\u5f20\\u6570\"]},\"52\":{\"category\":\"base\",\"name\":\"cfg-52\",\"title\":\"\\u6587\\u7a3f\\u65b9\\u5411\",\"desc\":\"\\u6587\\u7a3f\\u65b9\\u5411\",\"type\":\"string\",\"cur\":\"0\\u00b0\",\"default\":\"0\\u00b0\",\"size\":40,\"range\":[\"0\\u00b0\",\"90\\u00b0\",\"180\\u00b0\",\"-90\\u00b0\",\"\\u81ea\\u52a8\\u6587\\u672c\\u65b9\\u5411\\u8bc6\\u522b\\u00b0\"]},\"53\":{\"category\":\"base\",\"name\":\"cfg-53\",\"title\":\"\\u80cc\\u9762\\u65cb\\u8f6c180\\u00b0\",\"desc\":\"\\u80cc\\u9762\\u626b\\u63cf\\u7684\\u56fe\\u50cf\\u65cb\\u8f6c180\\u00b0\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"24!=\\u5355\\u9762\",\"24!=\\u5bf9\\u6298\",\"52!=\\u81ea\\u52a8\\u6587\\u672c\\u65b9\\u5411\\u8bc6\\u522b\\u00b0\"]},\"54\":{\"category\":\"base\",\"name\":\"cfg-54\",\"title\":\"\\u6b6a\\u659c\\u68c0\\u6d4b\",\"desc\":\"\\u7eb8\\u5f20\\u6b6a\\u659c\\u68c0\\u6d4b\",\"type\":\"bool\",\"cur\":true,\"default\":true,\"size\":4},\"55\":{\"category\":\"base\",\"name\":\"cfg-55\",\"title\":\" \\u6b6a\\u659c\\u5bb9\\u5fcd\\u5ea6\",\"desc\":\"\\u503c\\u8d8a\\u5c0f\\uff0c\\u4ee3\\u8868\\u80fd\\u68c0\\u6d4b\\u5230\\u7eb8\\u5f20\\u7684\\u6b6a\\u659c\\u89d2\\u5ea6\\u8d8a\\u5c0f\",\"type\":\"int\",\"cur\":3,\"default\":3,\"size\":4,\"range\":{\"min\":1,\"max\":5},\"depend_or\":[\"54==true\"]}}");
 namespace settingsdsp_200
 {
 	scanner_err device_status_to_hg_err(int  usbdata, bool *fatal)
@@ -470,7 +470,8 @@ int hg_scanner_200::stop(void)
 	{
 		status_ = SCANNER_ERR_DEVICE_STOPPED;
 	}
-	
+	final_imgs_.Clear();
+
 	return status_;
 }
 int hg_scanner_200::writeusb(USBCB &usb)
diff --git a/hgdriver/hgdev/hg_scanner_239.cpp b/hgdriver/hgdev/hg_scanner_239.cpp
index aca7fb7..ced484e 100644
--- a/hgdriver/hgdev/hg_scanner_239.cpp
+++ b/hgdriver/hgdev/hg_scanner_239.cpp
@@ -22,7 +22,7 @@
 #define USB_REQ_SET_DEV_REGS          0x64
 
 
-static 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- \\u9664\\u8272\",\"desc\":\"\\u9664\\u53bb\\u56fe\\u50cf\\u5f69\\u8272\",\"type\":\"string\",\"cur\":\"\\u4e0d\\u9664\\u8272\",\"default\":\"\\u4e0d\\u9664\\u8272\",\"size\":24,\"range\":[\"\\u4e0d\\u9664\\u8272\",\"\\u9664\\u7ea2\\u8272\",\"\\u9664\\u7eff\\u8272\",\"\\u9664\\u84dd\\u8272\",\"\\u7ea2\\u8272\\u589e\\u5f3a\",\"\\u7eff\\u8272\\u589e\\u5f3a\",\"\\u84dd\\u8272\\u589e\\u5f3a\"],\"depend_and\":[\"4!=true\",\"6!=24\\u4f4d\\u5f69\\u8272\",\"6!=\\u989c\\u8272\\u81ea\\u52a8\\u8bc6\\u522b\"]},\"8\":{\"category\":\"base\",\"name\":\"cfg-8\",\"title\":\"24\\u4f4d\\u5f69\\u8272\\u56fe\\u50cf - \\u591a\\u6d41\\u8f93\\u51fa\\u9664\\u7ea2\",\"desc\":\"\\u591a\\u901a\\u9053\\u8f93\\u51fa\\u4e2d\\uff0c\\u53bb\\u9664\\u7ea2\\u8272\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"4!=true\",\"6!=256\\u7ea7\\u7070\\u5ea6\",\"6!=\\u9ed1\\u767d\",\"6!=\\u989c\\u8272\\u81ea\\u52a8\\u8bc6\\u522b\"]},\"9\":{\"category\":\"base\",\"name\":\"cfg-9\",\"title\":\"24\\u4f4d\\u5f69\\u8272\\u56fe\\u50cf - \\u7b54\\u9898\\u5361\\u9664\\u7ea2\",\"desc\":\"\\u7b54\\u9898\\u5361\\u626b\\u63cf\\u4e2d\\u53bb\\u9664\\u7ea2\\u8272\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"4!=true\",\"6!=256\\u7ea7\\u7070\\u5ea6\",\"6!=\\u9ed1\\u767d\",\"6!=\\u989c\\u8272\\u81ea\\u52a8\\u8bc6\\u522b\"]},\"10\":{\"category\":\"base\",\"name\":\"cfg-10\",\"title\":\"\\u80cc\\u666f\\u79fb\\u9664\",\"desc\":\"\\u79fb\\u9664\\u5f69\\u8272\\u56fe\\u50cf\\u80cc\\u666f\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"4!=true\",\"6!=256\\u7ea7\\u7070\\u5ea6\",\"6!=\\u9ed1\\u767d\",\"6!=\\u989c\\u8272\\u81ea\\u52a8\\u8bc6\\u522b\"]},\"11\":{\"category\":\"base\",\"name\":\"cfg-11\",\"title\":\"    \\u80cc\\u666f\\u8272\\u5f69\\u6d6e\\u52a8\\u8303\\u56f4\",\"desc\":\"\\u8bbe\\u5b9a\\u80cc\\u666f\\u8272\\u5f69\\u7684\\u6d6e\\u52a8\\u8303\\u56f4\\uff0c\\u5728\\u8be5\\u8303\\u56f4\\u5185\\u7684\\u90fd\\u5f53\\u4f5c\\u80cc\\u666f\\u79fb\\u9664\",\"type\":\"int\",\"cur\":20,\"default\":20,\"size\":4,\"range\":{\"min\":1,\"max\":128},\"depend_or\":[\"10==true\"]},\"12\":{\"category\":\"base\",\"name\":\"cfg-12\",\"title\":\"\\u9510\\u5316\\u4e0e\\u6a21\\u7cca\",\"desc\":\"\\u9510\\u5316\\u4e0e\\u6a21\\u7cca\",\"type\":\"string\",\"cur\":\"\\u65e0\",\"default\":\"\\u65e0\",\"size\":24,\"range\":[\"\\u65e0\",\"\\u9510\\u5316\",\"\\u8fdb\\u4e00\\u6b65\\u9510\\u5316\",\"\\u6a21\\u7cca\",\"\\u8fdb\\u4e00\\u6b65\\u6a21\\u7cca\"],\"depend_and\":[\"4!=true\",\"6!=\\u9ed1\\u767d\",\"6!=\\u989c\\u8272\\u81ea\\u52a8\\u8bc6\\u522b\"]},\"13\":{\"category\":\"base\",\"name\":\"cfg-13\",\"title\":\"\\u53bb\\u9664\\u6469\\u5c14\\u7eb9\",\"desc\":\"\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"4!=true\",\"6!=\\u9ed1\\u767d\",\"6!=\\u989c\\u8272\\u81ea\\u52a8\\u8bc6\\u522b\"]},\"14\":{\"category\":\"base\",\"name\":\"cfg-14\",\"title\":\"\\u9664\\u7f51\\u7eb9\",\"desc\":\"\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"4!=true\",\"6!=\\u9ed1\\u767d\",\"6!=\\u989c\\u8272\\u81ea\\u52a8\\u8bc6\\u522b\"]},\"15\":{\"category\":\"base\",\"name\":\"cfg-15\",\"title\":\"\\u9519\\u8bef\\u6269\\u6563\",\"desc\":\"\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_or\":[\"6==\\u9ed1\\u767d\"]},\"16\":{\"category\":\"base\",\"name\":\"cfg-16\",\"title\":\"\\u9ed1\\u767d\\u56fe\\u50cf\\u566a\\u70b9\\u4f18\\u5316\",\"desc\":\"\\u566a\\u70b9\\u4f18\\u5316\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_or\":[\"6==\\u9ed1\\u767d\"]},\"17\":{\"category\":\"base\",\"name\":\"cfg-17\",\"title\":\" \\u566a\\u70b9\\u4f18\\u5316\\u5c3a\\u5bf8\",\"desc\":\"\\u566a\\u70b9\\u4f18\\u5316\\u5c3a\\u5bf8\",\"type\":\"int\",\"cur\":30,\"default\":30,\"size\":4,\"range\":{\"min\":10,\"max\":50},\"depend_or\":[\"16==true\"]},\"18\":{\"category\":\"base\",\"name\":\"source\",\"title\":\"\\u7eb8\\u5f20\\u5c3a\\u5bf8\",\"desc\":\"\\u8bbe\\u7f6e\\u7eb8\\u5f20\\u5927\\u5c0f\",\"type\":\"string\",\"cur\":\"\\u5339\\u914d\\u539f\\u59cb\\u5c3a\\u5bf8\",\"default\":\"\\u5339\\u914d\\u539f\\u59cb\\u5c3a\\u5bf8\",\"size\":48,\"range\":[\"A3\",\"8\\u5f00\",\"A4\",\"A4\\u6a2a\\u5411\",\"16\\u5f00\",\"16\\u5f00\\u6a2a\\u5411\",\"A5\",\"A5\\u6a2a\\u5411\",\"A6\",\"A6\\u6a2a\\u5411\",\"B4\",\"B5\",\"B5\\u6a2a\\u5411\",\"B6\",\"B6\\u6a2a\\u5411\",\"Letter\",\"Letter\\u6a2a\\u5411\",\"Double Letter\",\"LEGAL\",\"\\u5339\\u914d\\u539f\\u59cb\\u5c3a\\u5bf8\",\"\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\\u81ea\\u52a8\\u88c1\\u5207\",\"\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\",\"\\u4e09\\u8054\\u8bd5\\u5377\"]},\"19\":{\"category\":\"base\",\"name\":\"cfg-19\",\"title\":\"\\u81ea\\u5b9a\\u4e49\\u626b\\u63cf\\u533a\\u57df\",\"desc\":\"\\u81ea\\u5b9a\\u4e49\\u626b\\u63cf\\u533a\\u57df\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"18!=\\u5339\\u914d\\u539f\\u59cb\\u5c3a\\u5bf8\",\"18!=\\u4e09\\u8054\\u8bd5\\u5377\",\"18!=\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\",\"18!=\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\\u81ea\\u52a8\\u88c1\\u5207\"]},\"20\":{\"category\":\"base\",\"name\":\"tl-x\",\"title\":\"\\u626b\\u63cf\\u533a\\u57df\\u5de6\\u4fa7\\uff08mm\\uff09\",\"desc\":\"\\u81ea\\u5b9a\\u4e49\\u626b\\u63cf\\u533a\\u57df\\u5de6\\u4e0a\\u89d2x\\u5750\\u6807\",\"type\":\"float\",\"cur\":0.000000,\"default\":0.000000,\"size\":4,\"range\":{\"min\":0.000000,\"max\":210.000000},\"depend_and\":[\"19==true\"]},\"21\":{\"category\":\"base\",\"name\":\"br-x\",\"title\":\"\\u626b\\u63cf\\u533a\\u57df\\u53f3\\u4fa7\\uff08mm\\uff09\",\"desc\":\"\\u81ea\\u5b9a\\u4e49\\u626b\\u63cf\\u533a\\u57df\\u53f3\\u4e0b\\u89d2x\\u5750\\u6807\",\"type\":\"float\",\"cur\":210.000000,\"default\":210.000000,\"size\":4,\"range\":{\"min\":0.000000,\"max\":210.000000},\"depend_and\":[\"19==true\"]},\"22\":{\"category\":\"base\",\"name\":\"tl-y\",\"title\":\"\\u626b\\u63cf\\u533a\\u57df\\u4e0a\\u4fa7\\uff08mm\\uff09\",\"desc\":\"\\u81ea\\u5b9a\\u4e49\\u626b\\u63cf\\u533a\\u57df\\u5de6\\u4e0a\\u89d2y\\u5750\\u6807\",\"type\":\"float\",\"cur\":0.000000,\"default\":0.000000,\"size\":4,\"range\":{\"min\":0.000000,\"max\":297.000000},\"depend_and\":[\"19==true\"]},\"23\":{\"category\":\"base\",\"name\":\"br-y\",\"title\":\"\\u626b\\u63cf\\u533a\\u57df\\u4e0b\\u4fa7\\uff08mm\\uff09\",\"desc\":\"\\u81ea\\u5b9a\\u4e49\\u626b\\u63cf\\u533a\\u57df\\u53f3\\u4e0b\\u89d2y\\u5750\\u6807\",\"type\":\"float\",\"cur\":297.000000,\"default\":297.000000,\"size\":4,\"range\":{\"min\":0.000000,\"max\":297.000000},\"depend_and\":[\"19==true\"]},\"24\":{\"category\":\"base\",\"name\":\"cfg-24\",\"title\":\"\\u5c3a\\u5bf8\\u68c0\\u6d4b\",\"desc\":\"\\u68c0\\u6d4b\\u7eb8\\u5f20\\u5b9e\\u9645\\u5c3a\\u5bf8\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_or\":[\"18==A3\",\"18==A4\",\"18==A4\\u6a2a\\u5411\",\"18==A5\",\"18==A5\\u6a2a\\u5411\",\"18==A6\",\"18==A6\\u6a2a\\u5411\",\"18==B4\",\"18==B5\",\"18==B5\\u6a2a\\u5411\",\"18==B6\",\"18==B6\\u6a2a\\u5411\",\"18==Double Letter\",\"18==LEGAL\",\"18==Letter\",\"18==Letter\\u6a2a\\u5411\"]},\"25\":{\"category\":\"base\",\"name\":\"duplex\",\"title\":\"\\u626b\\u63cf\\u9875\\u9762\",\"desc\":\"\\u8bbe\\u7f6e\\u9875\\u9762\\u626b\\u63cf\\u65b9\\u5f0f\",\"type\":\"string\",\"cur\":\"\\u53cc\\u9762\",\"default\":\"\\u53cc\\u9762\",\"size\":40,\"range\":[\"\\u5355\\u9762\",\"\\u53cc\\u9762\",\"\\u8df3\\u8fc7\\u7a7a\\u767d\\u9875\\uff08\\u901a\\u7528\\uff09\",\"\\u8df3\\u8fc7\\u7a7a\\u767d\\u9875\\uff08\\u53d1\\u7968\\u7eb8\\uff09\",\"\\u5bf9\\u6298\"]},\"26\":{\"category\":\"base\",\"name\":\"cfg-26\",\"title\":\" 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\\u8df3\\u8fc7\\u7a7a\\u767d\\u9875\\u7075\\u654f\\u5ea6\",\"desc\":\"\\u7075\\u654f\\u5ea6\\u8d8a\\u9ad8\\uff0c\\u5219\\u8d8a\\u5bb9\\u6613\\u8df3\\u8fc7\",\"type\":\"int\",\"cur\":50,\"default\":50,\"size\":4,\"range\":{\"min\":1,\"max\":100},\"depend_or\":[\"25==\\u8df3\\u8fc7\\u7a7a\\u767d\\u9875\\uff08\\u901a\\u7528\\uff09\",\"25==\\u8df3\\u8fc7\\u7a7a\\u767d\\u9875\\uff08\\u53d1\\u7968\\u7eb8\\uff09\"]},\"27\":{\"category\":\"base\",\"name\":\"resolution\",\"title\":\"\\u5206\\u8fa8\\u7387\",\"desc\":\"\\u626b\\u63cf\\u4eea\\u5206\\u8fa8\\u7387\",\"type\":\"int\",\"cur\":200,\"default\":200,\"size\":4,\"range\":[100,150,200,240,300,600]},\"28\":{\"category\":\"base\",\"name\":\"cfg-28\",\"title\":\"\\u753b\\u8d28\",\"desc\":\"\",\"type\":\"string\",\"cur\":\"\\u901f\\u5ea6\\u4f18\\u5148\",\"default\":\"\\u901f\\u5ea6\\u4f18\\u5148\",\"size\":24,\"range\":[\"\\u901f\\u5ea6\\u4f18\\u5148\",\"\\u753b\\u8d28\\u4f18\\u5148\"],\"depend_or\":[\"27==300\",\"27==600\"]},\"29\":{\"category\":\"base\",\"name\":\"cfg-29\",\"title\":\"\\u4ea4\\u6362\\u6b63\\u53cd\\u9762\",\"desc\":\"\\u4ea4\\u6362\\u6b63\\u53cd\\u9762\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"25!=\\u5355\\u9762\"]},\"30\":{\"category\":\"base\",\"name\":\"cfg-30\",\"title\":\"\\u56fe\\u50cf\\u62c6\\u5206\",\"desc\":\"\\u81ea\\u52a8\\u62c6\\u5206\\u56fe\\u50cf\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_or\":[\"25!=\\u5bf9\\u6298\"]},\"31\":{\"category\":\"base\",\"name\":\"cfg-31\",\"title\":\"\\u81ea\\u52a8\\u7ea0\\u504f\",\"desc\":\"\\u81ea\\u52a8\\u7ea0\\u504f\",\"type\":\"bool\",\"cur\":true,\"default\":true,\"size\":4,\"depend_or\":[\"25!=\\u5bf9\\u6298\"]},\"32\":{\"category\":\"base\",\"name\":\"grp-2\",\"title\":\"\\u4eae\\u5ea6\",\"type\":\"group\"},\"33\":{\"category\":\"base\",\"name\":\"cfg-33\",\"title\":\"\\u542f\\u7528\\u8272\\u8c03\\u66f2\\u7ebf\",\"desc\":\"\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4},\"34\":{\"category\":\"base\",\"name\":\"brightness\",\"title\":\"\\u4eae\\u5ea6\\u503c\",\"desc\":\"\\u8c03\\u6574\\u56fe\\u7247\\u4eae\\u5ea6\",\"type\":\"int\",\"cur\":128,\"default\":128,\"size\":4,\"range\":{\"min\":1,\"max\":255}},\"35\":{\"category\":\"base\",\"name\":\"contrast\",\"title\":\"\\u5bf9\\u6bd4\\u5ea6\",\"desc\":\"\\u8c03\\u6574\\u56fe\\u7247\\u5bf9\\u6bd4\\u5ea6\",\"type\":\"int\",\"cur\":4,\"default\":4,\"size\":4,\"range\":{\"min\":1,\"max\":7}},\"36\":{\"category\":\"base\",\"name\":\"cfg-36\",\"title\":\"\\u4f3d\\u9a6c\\u503c\",\"desc\":\"\\u8c03\\u6574\\u56fe\\u7247\\u4f3d\\u739b\\u503c\",\"type\":\"float\",\"cur\":1.000000,\"default\":1.000000,\"size\":4,\"range\":{\"min\":0.010000,\"max\":5.000000}},\"37\":{\"category\":\"base\",\"name\":\"grp-3\",\"title\":\"\\u56fe\\u50cf\\u5904\\u7406\",\"type\":\"group\"},\"38\":{\"category\":\"base\",\"name\":\"cfg-38\",\"title\":\"\\u6d88\\u9664\\u9ed1\\u6846\",\"desc\":\"\\u6d88\\u9664\\u9ed1\\u6846\",\"type\":\"bool\",\"cur\":true,\"default\":true,\"size\":4},\"39\":{\"category\":\"base\",\"name\":\"cfg-39\",\"title\":\"\\u6df1\\u8272\\u6837\\u5f20\",\"desc\":\"\\u6df1\\u8272\\u6837\\u5f20\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"25!=\\u5bf9\\u6298\",\"38!=true\",\"18!=\\u5339\\u914d\\u539f\\u59cb\\u5c3a\\u5bf8\",\"18!=\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\",\"18!=\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\\u81ea\\u52a8\\u88c1\\u5207\",\"31!=true\"]},\"40\":{\"category\":\"advanced\",\"name\":\"cfg-40\",\"title\":\"\\u9608\\u503c\",\"desc\":\"\\u9608\\u503c\",\"type\":\"int\",\"cur\":40,\"default\":40,\"size\":4,\"range\":{\"min\":30,\"max\":50},\"depend_or\":[\"38==true\",\"18==\\u5339\\u914d\\u539f\\u59cb\\u5c3a\\u5bf8\",\"18==\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\",\"18==\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\\u81ea\\u52a8\\u88c1\\u5207\",\"31==true\"]},\"41\":{\"category\":\"advanced\",\"name\":\"cfg-41\",\"title\":\"\\u80cc\\u666f\\u6297\\u566a\\u7b49\\u7ea7\",\"desc\":\"\\u80cc\\u666f\\u6297\\u566a\\u7b49\\u7ea7\",\"type\":\"int\",\"cur\":8,\"default\":8,\"size\":4,\"range\":{\"min\":1,\"max\":20},\"depend_or\":[\"38==true\",\"18==\\u5339\\u914d\\u539f\\u59cb\\u5c3a\\u5bf8\",\"18==\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\",\"18==\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\\u81ea\\u52a8\\u88c1\\u5207\",\"31==true\"]},\"42\":{\"category\":\"advanced\",\"name\":\"cfg-42\",\"title\":\"\\u8fb9\\u7f18\\u7f29\\u8fdb\",\"desc\":\"\\u8fb9\\u7f18\\u7f29\\u8fdb\",\"type\":\"int\",\"cur\":5,\"default\":5,\"size\":4,\"range\":{\"min\":5,\"max\":30},\"depend_or\":[\"38==true\",\"18==\\u5339\\u914d\\u539f\\u59cb\\u5c3a\\u5bf8\",\"18==\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\\u81ea\\u52a8\\u88c1\\u5207\",\"31==true\",\"18==\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\"]},\"43\":{\"category\":\"advanced\",\"name\":\"cfg-43\",\"title\":\"\\u80cc\\u666f\\u586b\\u5145\\u65b9\\u5f0f\",\"desc\":\"\\u80cc\\u666f\\u586b\\u5145\\u65b9\\u5f0f\",\"type\":\"string\",\"cur\":\"\\u51f8\\u591a\\u8fb9\\u5f62\",\"default\":\"\\u51f8\\u591a\\u8fb9\\u5f62\",\"size\":40,\"range\":[\"\\u51f8\\u591a\\u8fb9\\u5f62\",\"\\u51f9\\u591a\\u8fb9\\u5f62\"],\"depend_or\":[\"38==true\"]},\"44\":{\"category\":\"base\",\"name\":\"cfg-44\",\"title\":\"\\u9632\\u6b62\\u6e17\\u900f\",\"desc\":\"\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4},\"45\":{\"category\":\"base\",\"name\":\"cfg-45\",\"title\":\" \\u9632\\u6b62\\u6e17\\u900f\\u7b49\\u7ea7\",\"desc\":\"\",\"type\":\"string\",\"cur\":\"\\u8f83\\u5f31\",\"default\":\"\\u8f83\\u5f31\",\"size\":16,\"range\":[\"\\u5f31\",\"\\u8f83\\u5f31\",\"\\u4e00\\u822c\",\"\\u8f83\\u5f3a\",\"\\u5f3a\"],\"depend_or\":[\"44==true\"]},\"46\":{\"category\":\"base\",\"name\":\"cfg-46\",\"title\":\"\\u7a7f\\u5b54\\u79fb\\u9664\",\"desc\":\"\\u79fb\\u9664\\u7eb8\\u5f20\\u4e2d\\u7684\\u7a7f\\u5b54\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4},\"47\":{\"category\":\"base\",\"name\":\"cfg-47\",\"title\":\" \\u7a7f\\u5b54\\u641c\\u7d22\\u8303\\u56f4\\u5360\\u5e45\\u9762\\u6bd4\\u4f8b\",\"desc\":\"\\u7a7f\\u5b54\\u641c\\u7d22\\u8303\\u56f4\\u5360\\u5e45\\u9762\\u6bd4\\u4f8b\",\"type\":\"float\",\"cur\":0.100000,\"default\":0.100000,\"size\":4,\"range\":{\"min\":0.010000,\"max\":0.500000},\"depend_or\":[\"46==true\"]},\"48\":{\"category\":\"base\",\"name\":\"cfg-48\",\"title\":\"\\u8272\\u5f69\\u586b\\u5145\",\"desc\":\"\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"38==true\"]},\"49\":{\"category\":\"base\",\"name\":\"grp-4\",\"title\":\"\\u9001\\u7eb8\\u65b9\\u5f0f\\u8bbe\\u7f6e\",\"type\":\"group\"},\"50\":{\"category\":\"base\",\"name\":\"cfg-50\",\"title\":\"\\u8d85\\u58f0\\u6ce2\\u68c0\\u6d4b\",\"desc\":\"\\u8d85\\u58f0\\u6ce2\\u68c0\\u6d4b\\u9001\\u7eb8\\u72b6\\u6001\",\"type\":\"bool\",\"cur\":true,\"default\":true,\"size\":4},\"51\":{\"category\":\"base\",\"name\":\"cfg-51\",\"title\":\"\\u88c5\\u8ba2\\u68c0\\u6d4b\",\"desc\":\"\\u68c0\\u6d4b\\u7eb8\\u5f20\\u4e0a\\u662f\\u5426\\u6709\\u9489\\u4e66\\u9489\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4},\"52\":{\"category\":\"base\",\"name\":\"cfg-52\",\"title\":\"\\u626b\\u63cf\\u5f20\\u6570\",\"desc\":\"\\u626b\\u63cf\\u7eb8\\u5f20\\u6570\\u91cf\",\"type\":\"string\",\"cur\":\"\\u8fde\\u7eed\\u626b\\u63cf\",\"default\":\"\\u8fde\\u7eed\\u626b\\u63cf\",\"size\":32,\"range\":[\"\\u8fde\\u7eed\\u626b\\u63cf\",\"\\u626b\\u63cf\\u6307\\u5b9a\\u5f20\\u6570\"]},\"53\":{\"category\":\"base\",\"name\":\"cfg-53\",\"title\":\" \\u626b\\u63cf\\u6570\\u91cf\",\"desc\":\"\\u626b\\u63cf\\u6307\\u5b9a\\u6570\\u91cf\",\"type\":\"int\",\"cur\":1,\"default\":1,\"size\":4,\"depend_or\":[\"52==\\u626b\\u63cf\\u6307\\u5b9a\\u5f20\\u6570\"]},\"54\":{\"category\":\"base\",\"name\":\"cfg-54\",\"title\":\"\\u6587\\u7a3f\\u65b9\\u5411\",\"desc\":\"\\u6587\\u7a3f\\u65b9\\u5411\",\"type\":\"string\",\"cur\":\"0\\u00b0\",\"default\":\"0\\u00b0\",\"size\":40,\"range\":[\"0\\u00b0\",\"90\\u00b0\",\"180\\u00b0\",\"-90\\u00b0\",\"\\u81ea\\u52a8\\u6587\\u672c\\u65b9\\u5411\\u8bc6\\u522b\\u00b0\"]},\"55\":{\"category\":\"base\",\"name\":\"cfg-55\",\"title\":\"\\u80cc\\u9762\\u65cb\\u8f6c180\\u00b0\",\"desc\":\"\\u80cc\\u9762\\u626b\\u63cf\\u7684\\u56fe\\u50cf\\u65cb\\u8f6c180\\u00b0\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"25!=\\u5355\\u9762\",\"25!=\\u5bf9\\u6298\",\"54!=\\u81ea\\u52a8\\u6587\\u672c\\u65b9\\u5411\\u8bc6\\u522b\\u00b0\"]},\"56\":{\"category\":\"base\",\"name\":\"cfg-56\",\"title\":\"\\u6298\\u89d2\\u68c0\\u6d4b\",\"desc\":\"\\u7eb8\\u5f20\\u6298\\u89d2\\u68c0\\u6d4b\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4},\"57\":{\"category\":\"base\",\"name\":\"cfg-57\",\"title\":\" \\u6298\\u89d2\\u5927\\u5c0f\",\"desc\":\"\\u503c\\u8d8a\\u5c0f\\uff0c\\u4ee3\\u8868\\u80fd\\u68c0\\u6d4b\\u5230\\u7684\\u6298\\u89d2\\u8d8a\\u5c0f\",\"type\":\"int\",\"cur\":10,\"default\":10,\"size\":4,\"range\":{\"min\":0,\"max\":100},\"depend_or\":[\"56==true\"]},\"58\":{\"category\":\"base\",\"name\":\"cfg-58\",\"title\":\"\\u6b6a\\u659c\\u68c0\\u6d4b\",\"desc\":\"\\u7eb8\\u5f20\\u6b6a\\u659c\\u68c0\\u6d4b\",\"type\":\"bool\",\"cur\":true,\"default\":true,\"size\":4},\"59\":{\"category\":\"base\",\"name\":\"cfg-59\",\"title\":\"\\u6b6a\\u659c\\u5bb9\\u5fcd\\u5ea6\",\"desc\":\"\\u503c\\u8d8a\\u5c0f\\uff0c\\u4ee3\\u8868\\u80fd\\u68c0\\u6d4b\\u5230\\u7eb8\\u5f20\\u7684\\u6b6a\\u659c\\u89d2\\u5ea6\\u8d8a\\u5c0f\",\"type\":\"int\",\"cur\":3,\"default\":3,\"size\":4,\"range\":{\"min\":1,\"max\":5},\"depend_or\":[\"58==true\"]}}");
 enum hg_239_setting_item
 {
 	HG_239_SETTING_RESTORE = 1,				// 恢复默认设置
@@ -1699,6 +1699,7 @@ int hg_scanner_239::stop(void)
 	user_cancel_ = true;
 	ret = write_command(SC_STOP);
 	io_->set_timeout(500);
+	final_imgs_.Clear();
 
 	return status_;
 }
diff --git a/hgdriver/hgdev/hg_scanner_300.cpp b/hgdriver/hgdev/hg_scanner_300.cpp
index 8668745..5a5d92e 100644
--- a/hgdriver/hgdev/hg_scanner_300.cpp
+++ b/hgdriver/hgdev/hg_scanner_300.cpp
@@ -6,7 +6,7 @@
 #endif
 
 
-static std::string	jsontext("{\"device_type\":\"G300\",\"option_count\":54,\"1\":{\"category\":\"base\",\"name\":\"cfg-1\",\"title\":\"\\u6062\\u590d\\u9ed8\\u8ba4\\u8bbe\\u7f6e\",\"desc\":\"\\u6062\\u590d\\u9ed8\\u8ba4\\u8bbe\\u7f6e\",\"type\":\"button\",\"cur\":\"button\",\"default\":\"button\",\"size\":0},\"2\":{\"category\":\"advanced\",\"name\":\"cfg-2\",\"title\":\"\\u5e2e\\u52a9\",\"desc\":\"\\u663e\\u793a\\u8f6f\\u4ef6\\u5e2e\\u52a9\\u6587\\u6863\",\"type\":\"button\",\"cur\":\"true\",\"default\":\"true\",\"size\":4},\"3\":{\"category\":\"base\",\"name\":\"grp-1\",\"title\":\"\\u57fa\\u672c\\u8bbe\\u7f6e\",\"type\":\"group\"},\"4\":{\"category\":\"base\",\"name\":\"cfg-4\",\"title\":\"\\u591a\\u6d41\\u8f93\\u51fa\",\"desc\":\"\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4},\"5\":{\"category\":\"base\",\"name\":\"cfg-5\",\"title\":\"\\u591a\\u6d41\\u8f93\\u51fa\\u7c7b\\u578b\",\"desc\":\"\",\"type\":\"string\",\"cur\":\"\\u65e0\",\"default\":\"\\u65e0\",\"size\":32,\"range\":[\"\\u65e0\",\"\\u5f69\\u8272+\\u7070\\u5ea6+\\u9ed1\\u767d\",\"\\u5f69\\u8272+\\u7070\\u5ea6\",\"\\u5f69\\u8272+\\u9ed1\\u767d\",\"\\u7070\\u5ea6+\\u9ed1\\u767d\"],\"depend_or\":[\"4==true\"]},\"6\":{\"category\":\"base\",\"name\":\"cfg-6\",\"title\":\"\\u989c\\u8272\\u6a21\\u5f0f\",\"desc\":\"\\u8bbe\\u7f6e\\u989c\\u8272\\u4f4d\\u6df1\",\"type\":\"string\",\"cur\":\"24\\u4f4d\\u5f69\\u8272\",\"default\":\"24\\u4f4d\\u5f69\\u8272\",\"size\":32,\"range\":[\"24\\u4f4d\\u5f69\\u8272\",\"256\\u7ea7\\u7070\\u5ea6\",\"\\u9ed1\\u767d\",\"\\u989c\\u8272\\u81ea\\u52a8\\u8bc6\\u522b\"],\"depend_or\":[\"4==false\"]},\"7\":{\"category\":\"base\",\"name\":\"cfg-7\",\"title\":\"\\u7070\\u5ea6\\u6216\\u9ed1\\u767d\\u56fe\\u50cf 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\\u591a\\u6d41\\u8f93\\u51fa\\u9664\\u7ea2\",\"desc\":\"\\u591a\\u901a\\u9053\\u8f93\\u51fa\\u4e2d\\uff0c\\u53bb\\u9664\\u7ea2\\u8272\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"4!=true\",\"6!=256\\u7ea7\\u7070\\u5ea6\",\"6!=\\u9ed1\\u767d\",\"6!=\\u989c\\u8272\\u81ea\\u52a8\\u8bc6\\u522b\"]},\"9\":{\"category\":\"base\",\"name\":\"cfg-9\",\"title\":\"24\\u4f4d\\u5f69\\u8272\\u56fe\\u50cf - 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\\u7a7f\\u5b54\\u641c\\u7d22\\u8303\\u56f4\\u5360\\u5e45\\u9762\\u6bd4\\u4f8b\",\"desc\":\"\\u7a7f\\u5b54\\u641c\\u7d22\\u8303\\u56f4\\u5360\\u5e45\\u9762\\u6bd4\\u4f8b\",\"type\":\"float\",\"cur\":0.100000,\"default\":0.100000,\"size\":4,\"range\":{\"min\":0.010000,\"max\":0.500000},\"depend_or\":[\"45==true\"]},\"47\":{\"category\":\"base\",\"name\":\"cfg-47\",\"title\":\"\\u8272\\u5f69\\u586b\\u5145\",\"desc\":\"\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"37==true\"]},\"48\":{\"category\":\"base\",\"name\":\"grp-4\",\"title\":\"\\u9001\\u7eb8\\u65b9\\u5f0f\\u8bbe\\u7f6e\",\"type\":\"group\"},\"49\":{\"category\":\"base\",\"name\":\"cfg-49\",\"title\":\"\\u8d85\\u58f0\\u6ce2\\u68c0\\u6d4b\",\"desc\":\"\\u8d85\\u58f0\\u6ce2\\u68c0\\u6d4b\\u9001\\u7eb8\\u72b6\\u6001\",\"type\":\"bool\",\"cur\":true,\"default\":true,\"size\":4},\"50\":{\"category\":\"base\",\"name\":\"cfg-50\",\"title\":\"\\u626b\\u63cf\\u5f20\\u6570\",\"desc\":\"\\u626b\\u63cf\\u7eb8\\u5f20\\u6570\\u91cf\",\"type\":\"string\",\"cur\":\"\\u8fde\\u7eed\\u626b\\u63cf\",\"default\":\"\\u8fde\\u7eed\\u626b\\u63cf\",\"size\":32,\"range\":[\"\\u8fde\\u7eed\\u626b\\u63cf\",\"\\u626b\\u63cf\\u6307\\u5b9a\\u5f20\\u6570\"]},\"51\":{\"category\":\"base\",\"name\":\"cfg-51\",\"title\":\" \\u626b\\u63cf\\u6570\\u91cf\",\"desc\":\"\\u626b\\u63cf\\u6307\\u5b9a\\u6570\\u91cf\",\"type\":\"int\",\"cur\":1,\"default\":1,\"size\":4,\"depend_or\":[\"50==\\u626b\\u63cf\\u6307\\u5b9a\\u5f20\\u6570\"]},\"52\":{\"category\":\"base\",\"name\":\"cfg-52\",\"title\":\"\\u6587\\u7a3f\\u65b9\\u5411\",\"desc\":\"\\u6587\\u7a3f\\u65b9\\u5411\",\"type\":\"string\",\"cur\":\"0\\u00b0\",\"default\":\"0\\u00b0\",\"size\":40,\"range\":[\"0\\u00b0\",\"90\\u00b0\",\"180\\u00b0\",\"-90\\u00b0\",\"\\u81ea\\u52a8\\u6587\\u672c\\u65b9\\u5411\\u8bc6\\u522b\\u00b0\"]},\"53\":{\"category\":\"base\",\"name\":\"cfg-53\",\"title\":\"\\u80cc\\u9762\\u65cb\\u8f6c180\\u00b0\",\"desc\":\"\\u80cc\\u9762\\u626b\\u63cf\\u7684\\u56fe\\u50cf\\u65cb\\u8f6c180\\u00b0\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"25!=\\u5355\\u9762\",\"25!=\\u5bf9\\u6298\",\"52!=\\u81ea\\u52a8\\u6587\\u672c\\u65b9\\u5411\\u8bc6\\u522b\\u00b0\"]}}");
 namespace settingsdsp_300
 {
 	scanner_err device_status_to_hg_err(int  usbdata)
@@ -419,7 +419,8 @@ int hg_scanner_300::stop(void)
 	{
 		status_ = SCANNER_ERR_DEVICE_STOPPED;
 	}
-	
+	final_imgs_.Clear();
+
 	return status_;
 }
 int hg_scanner_300::writeusb(USBCB &usb)
diff --git a/hgdriver/hgdev/hg_scanner_400.cpp b/hgdriver/hgdev/hg_scanner_400.cpp
index 9d8cf02..8e0a205 100644
--- a/hgdriver/hgdev/hg_scanner_400.cpp
+++ b/hgdriver/hgdev/hg_scanner_400.cpp
@@ -6,7 +6,7 @@
 #endif
 
 
-static std::string	jsontext("{\"device_type\":\"G400\",\"option_count\":54,\"1\":{\"category\":\"base\",\"name\":\"cfg-1\",\"title\":\"\\u6062\\u590d\\u9ed8\\u8ba4\\u8bbe\\u7f6e\",\"desc\":\"\\u6062\\u590d\\u9ed8\\u8ba4\\u8bbe\\u7f6e\",\"type\":\"button\",\"cur\":\"button\",\"default\":\"button\",\"size\":0},\"2\":{\"category\":\"advanced\",\"name\":\"cfg-2\",\"title\":\"\\u5e2e\\u52a9\",\"desc\":\"\\u663e\\u793a\\u8f6f\\u4ef6\\u5e2e\\u52a9\\u6587\\u6863\",\"type\":\"button\",\"cur\":\"true\",\"default\":\"true\",\"size\":4},\"3\":{\"category\":\"base\",\"name\":\"grp-1\",\"title\":\"\\u57fa\\u672c\\u8bbe\\u7f6e\",\"type\":\"group\"},\"4\":{\"category\":\"base\",\"name\":\"cfg-4\",\"title\":\"\\u591a\\u6d41\\u8f93\\u51fa\",\"desc\":\"\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4},\"5\":{\"category\":\"base\",\"name\":\"cfg-5\",\"title\":\"\\u591a\\u6d41\\u8f93\\u51fa\\u7c7b\\u578b\",\"desc\":\"\",\"type\":\"string\",\"cur\":\"\\u65e0\",\"default\":\"\\u65e0\",\"size\":32,\"range\":[\"\\u65e0\",\"\\u5f69\\u8272+\\u7070\\u5ea6+\\u9ed1\\u767d\",\"\\u5f69\\u8272+\\u7070\\u5ea6\",\"\\u5f69\\u8272+\\u9ed1\\u767d\",\"\\u7070\\u5ea6+\\u9ed1\\u767d\"],\"depend_or\":[\"4==true\"]},\"6\":{\"category\":\"base\",\"name\":\"cfg-6\",\"title\":\"\\u989c\\u8272\\u6a21\\u5f0f\",\"desc\":\"\\u8bbe\\u7f6e\\u989c\\u8272\\u4f4d\\u6df1\",\"type\":\"string\",\"cur\":\"24\\u4f4d\\u5f69\\u8272\",\"default\":\"24\\u4f4d\\u5f69\\u8272\",\"size\":32,\"range\":[\"24\\u4f4d\\u5f69\\u8272\",\"256\\u7ea7\\u7070\\u5ea6\",\"\\u9ed1\\u767d\",\"\\u989c\\u8272\\u81ea\\u52a8\\u8bc6\\u522b\"],\"depend_or\":[\"4==false\"]},\"7\":{\"category\":\"base\",\"name\":\"cfg-7\",\"title\":\"\\u7070\\u5ea6\\u6216\\u9ed1\\u767d\\u56fe\\u50cf - \\u9664\\u8272\",\"desc\":\"\\u9664\\u53bb\\u56fe\\u50cf\\u5f69\\u8272\",\"type\":\"string\",\"cur\":\"\\u4e0d\\u9664\\u8272\",\"default\":\"\\u4e0d\\u9664\\u8272\",\"size\":24,\"range\":[\"\\u4e0d\\u9664\\u8272\",\"\\u9664\\u7ea2\\u8272\",\"\\u9664\\u7eff\\u8272\",\"\\u9664\\u84dd\\u8272\",\"\\u7ea2\\u8272\\u589e\\u5f3a\",\"\\u7eff\\u8272\\u589e\\u5f3a\",\"\\u84dd\\u8272\\u589e\\u5f3a\"],\"depend_and\":[\"4!=true\",\"6!=24\\u4f4d\\u5f69\\u8272\",\"6!=\\u989c\\u8272\\u81ea\\u52a8\\u8bc6\\u522b\"]},\"8\":{\"category\":\"base\",\"name\":\"cfg-8\",\"title\":\"24\\u4f4d\\u5f69\\u8272\\u56fe\\u50cf - \\u591a\\u6d41\\u8f93\\u51fa\\u9664\\u7ea2\",\"desc\":\"\\u591a\\u901a\\u9053\\u8f93\\u51fa\\u4e2d\\uff0c\\u53bb\\u9664\\u7ea2\\u8272\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"4!=true\",\"6!=256\\u7ea7\\u7070\\u5ea6\",\"6!=\\u9ed1\\u767d\",\"6!=\\u989c\\u8272\\u81ea\\u52a8\\u8bc6\\u522b\"]},\"9\":{\"category\":\"base\",\"name\":\"cfg-9\",\"title\":\"24\\u4f4d\\u5f69\\u8272\\u56fe\\u50cf - \\u7b54\\u9898\\u5361\\u9664\\u7ea2\",\"desc\":\"\\u7b54\\u9898\\u5361\\u626b\\u63cf\\u4e2d\\u53bb\\u9664\\u7ea2\\u8272\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"4!=true\",\"6!=256\\u7ea7\\u7070\\u5ea6\",\"6!=\\u9ed1\\u767d\",\"6!=\\u989c\\u8272\\u81ea\\u52a8\\u8bc6\\u522b\"]},\"10\":{\"category\":\"base\",\"name\":\"cfg-10\",\"title\":\"\\u80cc\\u666f\\u79fb\\u9664\",\"desc\":\"\\u79fb\\u9664\\u5f69\\u8272\\u56fe\\u50cf\\u80cc\\u666f\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"4!=true\",\"6!=256\\u7ea7\\u7070\\u5ea6\",\"6!=\\u9ed1\\u767d\",\"6!=\\u989c\\u8272\\u81ea\\u52a8\\u8bc6\\u522b\"]},\"11\":{\"category\":\"base\",\"name\":\"cfg-11\",\"title\":\" \\u80cc\\u666f\\u8272\\u5f69\\u6d6e\\u52a8\\u8303\\u56f4\",\"desc\":\"\\u8bbe\\u5b9a\\u80cc\\u666f\\u8272\\u5f69\\u7684\\u6d6e\\u52a8\\u8303\\u56f4\\uff0c\\u5728\\u8be5\\u8303\\u56f4\\u5185\\u7684\\u90fd\\u5f53\\u4f5c\\u80cc\\u666f\\u79fb\\u9664\",\"type\":\"int\",\"cur\":20,\"default\":20,\"size\":4,\"range\":{\"min\":1,\"max\":128},\"depend_or\":[\"10==true\"]},\"12\":{\"category\":\"base\",\"name\":\"cfg-12\",\"title\":\"\\u9510\\u5316\\u4e0e\\u6a21\\u7cca\",\"desc\":\"\\u9510\\u5316\\u4e0e\\u6a21\\u7cca\",\"type\":\"string\",\"cur\":\"\\u65e0\",\"default\":\"\\u65e0\",\"size\":24,\"range\":[\"\\u65e0\",\"\\u9510\\u5316\",\"\\u8fdb\\u4e00\\u6b65\\u9510\\u5316\",\"\\u6a21\\u7cca\",\"\\u8fdb\\u4e00\\u6b65\\u6a21\\u7cca\"],\"depend_and\":[\"4!=true\",\"6!=\\u9ed1\\u767d\",\"6!=\\u989c\\u8272\\u81ea\\u52a8\\u8bc6\\u522b\"]},\"13\":{\"category\":\"base\",\"name\":\"cfg-13\",\"title\":\"\\u53bb\\u9664\\u6469\\u5c14\\u7eb9\",\"desc\":\"\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"4!=true\",\"6!=\\u9ed1\\u767d\",\"6!=\\u989c\\u8272\\u81ea\\u52a8\\u8bc6\\u522b\"]},\"14\":{\"category\":\"base\",\"name\":\"cfg-14\",\"title\":\"\\u9664\\u7f51\\u7eb9\",\"desc\":\"\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"4!=true\",\"6!=\\u9ed1\\u767d\",\"6!=\\u989c\\u8272\\u81ea\\u52a8\\u8bc6\\u522b\"]},\"15\":{\"category\":\"base\",\"name\":\"cfg-15\",\"title\":\"\\u9519\\u8bef\\u6269\\u6563\",\"desc\":\"\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_or\":[\"6==\\u9ed1\\u767d\"]},\"16\":{\"category\":\"base\",\"name\":\"cfg-16\",\"title\":\"\\u9ed1\\u767d\\u56fe\\u50cf\\u566a\\u70b9\\u4f18\\u5316\",\"desc\":\"\\u566a\\u70b9\\u4f18\\u5316\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_or\":[\"6==\\u9ed1\\u767d\"]},\"17\":{\"category\":\"base\",\"name\":\"cfg-17\",\"title\":\" \\u566a\\u70b9\\u4f18\\u5316\\u5c3a\\u5bf8\",\"desc\":\"\\u566a\\u70b9\\u4f18\\u5316\\u5c3a\\u5bf8\",\"type\":\"int\",\"cur\":30,\"default\":30,\"size\":4,\"range\":{\"min\":10,\"max\":50},\"depend_or\":[\"16==true\"]},\"18\":{\"category\":\"base\",\"name\":\"source\",\"title\":\"\\u7eb8\\u5f20\\u5c3a\\u5bf8\",\"desc\":\"\\u8bbe\\u7f6e\\u7eb8\\u5f20\\u5927\\u5c0f\",\"type\":\"string\",\"cur\":\"\\u5339\\u914d\\u539f\\u59cb\\u5c3a\\u5bf8\",\"default\":\"\\u5339\\u914d\\u539f\\u59cb\\u5c3a\\u5bf8\",\"size\":48,\"range\":[\"A3\",\"A4\",\"A4\\u6a2a\\u5411\",\"A5\",\"A5\\u6a2a\\u5411\",\"A6\",\"A6\\u6a2a\\u5411\",\"B4\",\"B5\",\"B5\\u6a2a\\u5411\",\"B6\",\"B6\\u6a2a\\u5411\",\"Letter\",\"Letter\\u6a2a\\u5411\",\"Double 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\\u7b54\\u9898\\u5361\\u9664\\u7ea2\",\"desc\":\"\\u7b54\\u9898\\u5361\\u626b\\u63cf\\u4e2d\\u53bb\\u9664\\u7ea2\\u8272\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"4!=true\",\"6!=256\\u7ea7\\u7070\\u5ea6\",\"6!=\\u9ed1\\u767d\",\"6!=\\u989c\\u8272\\u81ea\\u52a8\\u8bc6\\u522b\"]},\"10\":{\"category\":\"base\",\"name\":\"cfg-10\",\"title\":\"\\u80cc\\u666f\\u79fb\\u9664\",\"desc\":\"\\u79fb\\u9664\\u5f69\\u8272\\u56fe\\u50cf\\u80cc\\u666f\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"4!=true\",\"6!=256\\u7ea7\\u7070\\u5ea6\",\"6!=\\u9ed1\\u767d\",\"6!=\\u989c\\u8272\\u81ea\\u52a8\\u8bc6\\u522b\"]},\"11\":{\"category\":\"base\",\"name\":\"cfg-11\",\"title\":\" \\u80cc\\u666f\\u8272\\u5f69\\u6d6e\\u52a8\\u8303\\u56f4\",\"desc\":\"\\u8bbe\\u5b9a\\u80cc\\u666f\\u8272\\u5f69\\u7684\\u6d6e\\u52a8\\u8303\\u56f4\\uff0c\\u5728\\u8be5\\u8303\\u56f4\\u5185\\u7684\\u90fd\\u5f53\\u4f5c\\u80cc\\u666f\\u79fb\\u9664\",\"type\":\"int\",\"cur\":20,\"default\":20,\"size\":4,\"range\":{\"min\":1,\"max\":128},\"depend_or\":[\"10==true\"]},\"12\":{\"category\":\"base\",\"name\":\"cfg-12\",\"title\":\"\\u9510\\u5316\\u4e0e\\u6a21\\u7cca\",\"desc\":\"\\u9510\\u5316\\u4e0e\\u6a21\\u7cca\",\"type\":\"string\",\"cur\":\"\\u65e0\",\"default\":\"\\u65e0\",\"size\":24,\"range\":[\"\\u65e0\",\"\\u9510\\u5316\",\"\\u8fdb\\u4e00\\u6b65\\u9510\\u5316\",\"\\u6a21\\u7cca\",\"\\u8fdb\\u4e00\\u6b65\\u6a21\\u7cca\"],\"depend_and\":[\"4!=true\",\"6!=\\u9ed1\\u767d\",\"6!=\\u989c\\u8272\\u81ea\\u52a8\\u8bc6\\u522b\"]},\"13\":{\"category\":\"base\",\"name\":\"cfg-13\",\"title\":\"\\u53bb\\u9664\\u6469\\u5c14\\u7eb9\",\"desc\":\"\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"4!=true\",\"6!=\\u9ed1\\u767d\",\"6!=\\u989c\\u8272\\u81ea\\u52a8\\u8bc6\\u522b\"]},\"14\":{\"category\":\"base\",\"name\":\"cfg-14\",\"title\":\"\\u9664\\u7f51\\u7eb9\",\"desc\":\"\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"4!=true\",\"6!=\\u9ed1\\u767d\",\"6!=\\u989c\\u8272\\u81ea\\u52a8\\u8bc6\\u522b\"]},\"15\":{\"category\":\"base\",\"name\":\"cfg-15\",\"title\":\"\\u9519\\u8bef\\u6269\\u6563\",\"desc\":\"\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_or\":[\"6==\\u9ed1\\u767d\"]},\"16\":{\"category\":\"base\",\"name\":\"cfg-16\",\"title\":\"\\u9ed1\\u767d\\u56fe\\u50cf\\u566a\\u70b9\\u4f18\\u5316\",\"desc\":\"\\u566a\\u70b9\\u4f18\\u5316\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_or\":[\"6==\\u9ed1\\u767d\"]},\"17\":{\"category\":\"base\",\"name\":\"cfg-17\",\"title\":\" \\u566a\\u70b9\\u4f18\\u5316\\u5c3a\\u5bf8\",\"desc\":\"\\u566a\\u70b9\\u4f18\\u5316\\u5c3a\\u5bf8\",\"type\":\"int\",\"cur\":30,\"default\":30,\"size\":4,\"range\":{\"min\":10,\"max\":50},\"depend_or\":[\"16==true\"]},\"18\":{\"category\":\"base\",\"name\":\"cfg-18\",\"title\":\"\\u7eb8\\u5f20\\u5c3a\\u5bf8\",\"desc\":\"\\u8bbe\\u7f6e\\u7eb8\\u5f20\\u5927\\u5c0f\",\"type\":\"string\",\"cur\":\"\\u5339\\u914d\\u539f\\u59cb\\u5c3a\\u5bf8\",\"default\":\"\\u5339\\u914d\\u539f\\u59cb\\u5c3a\\u5bf8\",\"size\":48,\"range\":[\"A3\",\"A4\",\"A4\\u6a2a\\u5411\",\"A5\",\"A5\\u6a2a\\u5411\",\"A6\",\"A6\\u6a2a\\u5411\",\"B4\",\"B5\",\"B5\\u6a2a\\u5411\",\"B6\",\"B6\\u6a2a\\u5411\",\"Letter\",\"Letter\\u6a2a\\u5411\",\"Double Letter\",\"LEGAL\",\"\\u5339\\u914d\\u539f\\u59cb\\u5c3a\\u5bf8\",\"\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\\u81ea\\u52a8\\u88c1\\u5207\",\"\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\"]},\"19\":{\"category\":\"base\",\"name\":\"cfg-19\",\"title\":\"\\u81ea\\u5b9a\\u4e49\\u626b\\u63cf\\u533a\\u57df\",\"desc\":\"\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"18!=\\u5339\\u914d\\u539f\\u59cb\\u5c3a\\u5bf8\",\"18!=\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\",\"18!=\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\\u81ea\\u52a8\\u88c1\\u5207\"]},\"20\":{\"category\":\"base\",\"name\":\"tl-x\",\"title\":\"\\u626b\\u63cf\\u533a\\u57df\\u5de6\\u4fa7\\uff08mm\\uff09\",\"desc\":\"\\u81ea\\u5b9a\\u4e49\\u626b\\u63cf\\u533a\\u57df\\u5de6\\u4e0a\\u89d2x\\u5750\\u6807\",\"type\":\"float\",\"cur\":0.000000,\"default\":0.000000,\"size\":4,\"range\":{\"min\":0.000000,\"max\":210.000000},\"depend_and\":[\"19==true\"]},\"21\":{\"category\":\"base\",\"name\":\"br-x\",\"title\":\"\\u626b\\u63cf\\u533a\\u57df\\u53f3\\u4fa7\\uff08mm\\uff09\",\"desc\":\"\",\"type\":\"float\",\"cur\":0.000000,\"default\":0.000000,\"size\":4,\"range\":{\"min\":0.000000,\"max\":210.000000},\"depend_and\":[\"19==true\"]},\"22\":{\"category\":\"base\",\"name\":\"tl-y\",\"title\":\"\\u626b\\u63cf\\u533a\\u57df\\u4e0a\\u4fa7\\uff08mm\\uff09\",\"desc\":\"\\u81ea\\u5b9a\\u4e49\\u626b\\u63cf\\u533a\\u57df\\u5de6\\u4e0a\\u89d2y\\u5750\\u6807\",\"type\":\"float\",\"cur\":0.000000,\"default\":0.000000,\"size\":4,\"range\":{\"min\":0.000000,\"max\":297.000000},\"depend_and\":[\"19==true\"]},\"23\":{\"category\":\"base\",\"name\":\"br-y\",\"title\":\"\\u626b\\u63cf\\u533a\\u57df\\u4e0b\\u4fa7\\uff08mm\\uff09\",\"desc\":\"\\u81ea\\u5b9a\\u4e49\\u626b\\u63cf\\u533a\\u57df\\u53f3\\u4e0b\\u89d2y\\u5750\\u6807\",\"type\":\"float\",\"cur\":297.000000,\"default\":297.000000,\"size\":4,\"range\":{\"min\":0.000000,\"max\":297.000000},\"depend_and\":[\"19==true\"]},\"24\":{\"category\":\"base\",\"name\":\"cfg-24\",\"title\":\"\\u5c3a\\u5bf8\\u68c0\\u6d4b\",\"desc\":\"\\u68c0\\u6d4b\\u7eb8\\u5f20\\u5b9e\\u9645\\u5c3a\\u5bf8\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_or\":[\"18==A3\",\"18==A4\",\"18==A4\\u6a2a\\u5411\",\"18==A5\",\"18==A6\",\"18==A6\\u6a2a\\u5411\",\"18==B4\",\"18==B5\",\"18==B5\\u6a2a\\u5411\",\"18==B6\",\"18==B6\\u6a2a\\u5411\",\"18==Double Letter\",\"18==LEGAL\",\"18==Letter\",\"18==Letter\\u6a2a\\u5411\"]},\"25\":{\"category\":\"base\",\"name\":\"cfg-25\",\"title\":\"\\u626b\\u63cf\\u9875\\u9762\",\"desc\":\"\\u8bbe\\u7f6e\\u9875\\u9762\\u626b\\u63cf\\u65b9\\u5f0f\",\"type\":\"string\",\"cur\":\"\\u53cc\\u9762\",\"default\":\"\\u53cc\\u9762\",\"size\":50,\"range\":[\"\\u5355\\u9762\",\"\\u53cc\\u9762\",\"\\u8df3\\u8fc7\\u7a7a\\u767d\\u9875\\uff08\\u901a\\u7528\\uff09\",\"\\u8df3\\u8fc7\\u7a7a\\u767d\\u9875\\uff08\\u53d1\\u7968\\u7eb8\\uff09\",\"\\u5bf9\\u6298\"]},\"26\":{\"category\":\"base\",\"name\":\"cfg-26\",\"title\":\" \\u8df3\\u8fc7\\u7a7a\\u767d\\u9875\\u7075\\u654f\\u5ea6\",\"desc\":\"\\u7075\\u654f\\u5ea6\\u8d8a\\u9ad8\\uff0c\\u5219\\u8d8a\\u5bb9\\u6613\\u8df3\\u8fc7\",\"type\":\"int\",\"cur\":50,\"default\":50,\"size\":4,\"range\":{\"min\":1,\"max\":100},\"depend_or\":[\"25==\\u8df3\\u8fc7\\u7a7a\\u767d\\u9875\\uff08\\u53d1\\u7968\\u7eb8\\uff09\",\"25==\\u8df3\\u8fc7\\u7a7a\\u767d\\u9875\\uff08\\u901a\\u7528\\uff09\"]},\"27\":{\"category\":\"base\",\"name\":\"resolution\",\"title\":\"\\u5206\\u8fa8\\u7387\",\"desc\":\"\\u626b\\u63cf\\u4eea\\u5206\\u8fa8\\u7387\",\"type\":\"int\",\"cur\":200,\"default\":200,\"size\":4,\"range\":[100,150,200,240,300,600]},\"28\":{\"category\":\"base\",\"name\":\"cfg-28\",\"title\":\"\\u4ea4\\u6362\\u6b63\\u53cd\\u9762\",\"desc\":\"\\u4ea4\\u6362\\u6b63\\u53cd\\u9762\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"25!=\\u5355\\u9762\"]},\"29\":{\"category\":\"base\",\"name\":\"cfg-29\",\"title\":\"\\u56fe\\u50cf\\u62c6\\u5206\",\"desc\":\"\\u81ea\\u52a8\\u62c6\\u5206\\u56fe\\u50cf\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_or\":[\"25!=\\u5bf9\\u6298\"]},\"30\":{\"category\":\"base\",\"name\":\"cfg-30\",\"title\":\"\\u81ea\\u52a8\\u7ea0\\u504f\",\"desc\":\"\\u81ea\\u52a8\\u7ea0\\u504f\",\"type\":\"bool\",\"cur\":true,\"default\":true,\"size\":4,\"depend_or\":[\"25!=\\u5bf9\\u6298\"]},\"31\":{\"category\":\"base\",\"name\":\"grp-2\",\"title\":\"\\u4eae\\u5ea6\",\"type\":\"group\"},\"32\":{\"category\":\"base\",\"name\":\"cfg-32\",\"title\":\"\\u542f\\u7528\\u8272\\u8c03\\u66f2\\u7ebf\",\"desc\":\"\\u901a\\u8fc7\\u8272\\u8c03\\u66f2\\u7ebf\\u6765\\u8bbe\\u7f6e\\u56fe\\u50cf\\u4f3d\\u739b\\u503c\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4},\"33\":{\"category\":\"base\",\"name\":\"brightness\",\"title\":\"\\u4eae\\u5ea6\\u503c\",\"desc\":\"\\u8c03\\u6574\\u56fe\\u7247\\u4eae\\u5ea6\",\"type\":\"int\",\"cur\":128,\"default\":128,\"size\":4,\"range\":{\"min\":1,\"max\":255}},\"34\":{\"category\":\"base\",\"name\":\"contrast\",\"title\":\"\\u5bf9\\u6bd4\\u5ea6\",\"desc\":\"\\u8c03\\u6574\\u56fe\\u7247\\u5bf9\\u6bd4\\u5ea6\",\"type\":\"int\",\"cur\":4,\"default\":4,\"size\":4,\"range\":{\"min\":1,\"max\":7}},\"35\":{\"category\":\"base\",\"name\":\"cfg-35\",\"title\":\"\\u4f3d\\u9a6c\\u503c\",\"desc\":\"\\u8c03\\u6574\\u56fe\\u7247\\u4f3d\\u739b\\u503c\",\"type\":\"float\",\"cur\":1.000000,\"default\":1.000000,\"size\":4,\"range\":{\"min\":0.010000,\"max\":5.000000}},\"36\":{\"category\":\"base\",\"name\":\"grp-3\",\"title\":\"\\u56fe\\u50cf\\u5904\\u7406\",\"type\":\"group\"},\"37\":{\"category\":\"base\",\"name\":\"cfg-37\",\"title\":\"\\u6d88\\u9664\\u9ed1\\u6846\",\"desc\":\"\\u6d88\\u9664\\u9ed1\\u6846\",\"type\":\"bool\",\"cur\":true,\"default\":true,\"size\":4},\"38\":{\"category\":\"base\",\"name\":\"cfg-38\",\"title\":\"\\u6df1\\u8272\\u6837\\u5f20\",\"desc\":\"\\u6df1\\u8272\\u6837\\u5f20\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"25!=\\u5bf9\\u6298\",\"37!=true\",\"18!=\\u5339\\u914d\\u539f\\u59cb\\u5c3a\\u5bf8\",\"18!=\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\",\"18!=\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\\u81ea\\u52a8\\u88c1\\u5207\",\"30!=true\"]},\"39\":{\"category\":\"advanced\",\"name\":\"cfg-39\",\"title\":\"\\u9608\\u503c\",\"desc\":\"\\u9608\\u503c\",\"type\":\"int\",\"cur\":40,\"default\":40,\"size\":4,\"range\":{\"min\":30,\"max\":50},\"depend_or\":[\"37==true\",\"18==\\u5339\\u914d\\u539f\\u59cb\\u5c3a\\u5bf8\",\"18==\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\",\"18==\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\\u81ea\\u52a8\\u88c1\\u5207\",\"30==true\"]},\"40\":{\"category\":\"advanced\",\"name\":\"cfg-40\",\"title\":\"\\u80cc\\u666f\\u6297\\u566a\\u7b49\\u7ea7\",\"desc\":\"\\u80cc\\u666f\\u6297\\u566a\\u7b49\\u7ea7\",\"type\":\"int\",\"cur\":8,\"default\":8,\"size\":4,\"range\":{\"min\":1,\"max\":20},\"depend_or\":[\"37==true\",\"18==\\u5339\\u914d\\u539f\\u59cb\\u5c3a\\u5bf8\",\"18==\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\",\"18==\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\\u81ea\\u52a8\\u88c1\\u5207\",\"30==true\"]},\"41\":{\"category\":\"advanced\",\"name\":\"cfg-41\",\"title\":\"\\u8fb9\\u7f18\\u7f29\\u8fdb\",\"desc\":\"\\u8fb9\\u7f18\\u7f29\\u8fdb\",\"type\":\"int\",\"cur\":5,\"default\":5,\"size\":4,\"range\":{\"min\":5,\"max\":30},\"depend_or\":[\"37==true\",\"18==\\u5339\\u914d\\u539f\\u59cb\\u5c3a\\u5bf8\",\"18==\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\\u81ea\\u52a8\\u88c1\\u5207\",\"30==true\",\"18==\\u6700\\u5927\\u626b\\u63cf\\u5c3a\\u5bf8\"]},\"42\":{\"category\":\"advanced\",\"name\":\"cfg-42\",\"title\":\"\\u80cc\\u666f\\u586b\\u5145\\u65b9\\u5f0f\",\"desc\":\"\\u80cc\\u666f\\u586b\\u5145\\u65b9\\u5f0f\",\"type\":\"string\",\"cur\":\"\\u51f8\\u591a\\u8fb9\\u5f62\",\"default\":\"\\u51f8\\u591a\\u8fb9\\u5f62\",\"size\":40,\"range\":[\"\\u51f8\\u591a\\u8fb9\\u5f62\",\"\\u51f9\\u591a\\u8fb9\\u5f62\"],\"depend_or\":[\"37==true\"]},\"43\":{\"category\":\"base\",\"name\":\"cfg-43\",\"title\":\"\\u9632\\u6b62\\u6e17\\u900f\",\"desc\":\"\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4},\"44\":{\"category\":\"base\",\"name\":\"cfg-44\",\"title\":\" \\u9632\\u6b62\\u6e17\\u900f\\u7b49\\u7ea7\",\"desc\":\"\",\"type\":\"string\",\"cur\":\"\\u8f83\\u5f31\",\"default\":\"\\u8f83\\u5f31\",\"size\":16,\"range\":[\"\\u5f31\",\"\\u8f83\\u5f31\",\"\\u4e00\\u822c\",\"\\u8f83\\u5f3a\",\"\\u5f3a\"],\"depend_or\":[\"43==true\"]},\"45\":{\"category\":\"base\",\"name\":\"cfg-45\",\"title\":\"\\u7a7f\\u5b54\\u79fb\\u9664\",\"desc\":\"\\u79fb\\u9664\\u7eb8\\u5f20\\u4e2d\\u7684\\u7a7f\\u5b54\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4},\"46\":{\"category\":\"base\",\"name\":\"cfg-46\",\"title\":\" \\u7a7f\\u5b54\\u641c\\u7d22\\u8303\\u56f4\\u5360\\u5e45\\u9762\\u6bd4\\u4f8b\",\"desc\":\"\\u7a7f\\u5b54\\u641c\\u7d22\\u8303\\u56f4\\u5360\\u5e45\\u9762\\u6bd4\\u4f8b\",\"type\":\"float\",\"cur\":0.100000,\"default\":0.100000,\"size\":4,\"range\":{\"min\":0.010000,\"max\":0.500000},\"depend_or\":[\"45==true\"]},\"47\":{\"category\":\"base\",\"name\":\"cfg-47\",\"title\":\"\\u8272\\u5f69\\u586b\\u5145\",\"desc\":\"\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"37==true\"]},\"48\":{\"category\":\"base\",\"name\":\"grp-4\",\"title\":\"\\u9001\\u7eb8\\u65b9\\u5f0f\\u8bbe\\u7f6e\",\"type\":\"group\"},\"49\":{\"category\":\"base\",\"name\":\"cfg-49\",\"title\":\"\\u8d85\\u58f0\\u6ce2\\u68c0\\u6d4b\",\"desc\":\"\\u8d85\\u58f0\\u6ce2\\u68c0\\u6d4b\\u9001\\u7eb8\\u72b6\\u6001\",\"type\":\"bool\",\"cur\":true,\"default\":true,\"size\":4},\"50\":{\"category\":\"base\",\"name\":\"cfg-50\",\"title\":\"\\u626b\\u63cf\\u5f20\\u6570\",\"desc\":\"\\u626b\\u63cf\\u7eb8\\u5f20\\u6570\\u91cf\",\"type\":\"string\",\"cur\":\"\\u8fde\\u7eed\\u626b\\u63cf\",\"default\":\"\\u8fde\\u7eed\\u626b\\u63cf\",\"size\":32,\"range\":[\"\\u8fde\\u7eed\\u626b\\u63cf\",\"\\u626b\\u63cf\\u6307\\u5b9a\\u5f20\\u6570\"]},\"51\":{\"category\":\"base\",\"name\":\"cfg-51\",\"title\":\" \\u626b\\u63cf\\u6570\\u91cf\",\"desc\":\"\\u626b\\u63cf\\u6307\\u5b9a\\u6570\\u91cf\",\"type\":\"int\",\"cur\":1,\"default\":1,\"size\":4,\"depend_or\":[\"50==\\u626b\\u63cf\\u6307\\u5b9a\\u5f20\\u6570\"]},\"52\":{\"category\":\"base\",\"name\":\"cfg-52\",\"title\":\"\\u6587\\u7a3f\\u65b9\\u5411\",\"desc\":\"\\u6587\\u7a3f\\u65b9\\u5411\",\"type\":\"string\",\"cur\":\"0\\u00b0\",\"default\":\"0\\u00b0\",\"size\":40,\"range\":[\"0\\u00b0\",\"90\\u00b0\",\"180\\u00b0\",\"-90\\u00b0\",\"\\u81ea\\u52a8\\u6587\\u672c\\u65b9\\u5411\\u8bc6\\u522b\\u00b0\"]},\"53\":{\"category\":\"base\",\"name\":\"cfg-53\",\"title\":\"\\u80cc\\u9762\\u65cb\\u8f6c180\\u00b0\",\"desc\":\"\\u80cc\\u9762\\u626b\\u63cf\\u7684\\u56fe\\u50cf\\u65cb\\u8f6c180\\u00b0\",\"type\":\"bool\",\"cur\":false,\"default\":false,\"size\":4,\"depend_and\":[\"25!=\\u5355\\u9762\",\"25!=\\u5bf9\\u6298\",\"52!=\\u81ea\\u52a8\\u6587\\u672c\\u65b9\\u5411\\u8bc6\\u522b\\u00b0\"]}}");
 namespace settingsdsp_400
 {
 	scanner_err device_status_to_hg_err(int  usbdata)
@@ -418,7 +418,8 @@ int hg_scanner_400::stop(void)
 		HG_VLOG_MINI_1(LOG_LEVEL_WARNING, "stop device:(%s)\n", hg_scanner::strerr((scanner_err)status_).c_str());
 	}
 	notify_ui_working_status("取消扫描", SANE_EVENT_STATUS, status_);	
-			
+	final_imgs_.Clear();
+
 	return status_;
 }
 int hg_scanner_400::writeusb(USBCB &usb)
diff --git a/hgsane/sane_hg_mdw.cpp b/hgsane/sane_hg_mdw.cpp
index db78a4b..aff1691 100644
--- a/hgsane/sane_hg_mdw.cpp
+++ b/hgsane/sane_hg_mdw.cpp
@@ -20,6 +20,7 @@
 #include "ini_file.h"
 
 #include "../../sdk/include/sane/sane_option_definitions.h"
+#include "sane_option.h"
 
 #ifndef VERSION_BUILD
 #define VERSION_BUILD	22030
@@ -1015,7 +1016,7 @@ scanner_err hg_scanner_control(scanner_handle h, unsigned long code, void* data,
 hg_sane_middleware* hg_sane_middleware::inst_ = NULL;
 const SANE_Device** hg_sane_middleware::dev_list_ = NULL;
 
-hg_sane_middleware::hg_sane_middleware(void) : opt_0_(nullptr)
+hg_sane_middleware::hg_sane_middleware(void) : opt_0_(nullptr), std_opt_(nullptr)
 {
 	signal(SIGUSR1, &hg_sane_middleware::device_pnp);
 	local_utility::char_transfer_init();
@@ -1034,6 +1035,8 @@ hg_sane_middleware::~hg_sane_middleware()
 	hg_scanner_uninitialize();
 	if (opt_0_)
 		local_utility::free_memory(opt_0_);
+	if (std_opt_)
+		delete std_opt_;
 }
 
 const SANE_Device** hg_sane_middleware::to_sane_device(ScannerInfo* hgscanner, int count)
@@ -1407,6 +1410,9 @@ void hg_sane_middleware::on_device_closed(scanner_handle h)
 	cur_vals_.clear();
 	slave_options_.clear();
 	master_options_.clear();
+	if (std_opt_)
+		delete std_opt_;
+	std_opt_ = nullptr;
 }
 SANE_Status hg_sane_middleware::open(SANE_String_Const devicename, SANE_Handle* handle, const char* name, const char* pwd, const char* method, char* rsc)
 {
@@ -1427,6 +1433,13 @@ SANE_Status hg_sane_middleware::open(SANE_String_Const devicename, SANE_Handle*
 		openning_.push_back(od);
 		*handle = hg_sane_middleware::scanner_handle_to_sane(h);
 
+		if (!local_utility::cb_ui_)
+		{
+			long count = 0;
+			hg_scanner_get_parameter(h, 0, NULL, &count);
+			std_opt_ = new sane_std_opts(count);
+		}
+
 		return SANE_STATUS_GOOD;
 	}
 	else if (err == SCANNER_ERR_ACCESS_DENIED)
@@ -1576,10 +1589,10 @@ SANE_Option_Descriptor* hg_sane_middleware::from_json(scanner_handle h, json* js
 			hg_log::log(LOG_LEVEL_DEBUG_INFO, "set \345\210\206\350\276\250\347\216\207 unit to DPI\n");
 			ret->unit = SANE_UNIT_DPI;
 		}
-		else if (strcmp(ret->name, KNOWN_OPT_NAME_CUSTOM_AREA_LEFT) == 0 ||
-			strcmp(ret->name, KNOWN_OPT_NAME_CUSTOM_AREA_RIGHT) == 0 ||
-			strcmp(ret->name, KNOWN_OPT_NAME_CUSTOM_AREA_TOP) == 0 ||
-			strcmp(ret->name, KNOWN_OPT_NAME_CUSTOM_AREA_BOTTOM) == 0)
+		else if (strcmp(ret->name, SANE_STD_OPT_NAME_CUSTOM_AREA_LEFT) == 0 ||
+			strcmp(ret->name, SANE_STD_OPT_NAME_CUSTOM_AREA_RIGHT) == 0 ||
+			strcmp(ret->name, SANE_STD_OPT_NAME_CUSTOM_AREA_TOP) == 0 ||
+			strcmp(ret->name, SANE_STD_OPT_NAME_CUSTOM_AREA_BOTTOM) == 0)
 			ret->unit = SANE_UNIT_MM;
 
 		//bool enabled = true;
@@ -1706,16 +1719,7 @@ bool hg_sane_middleware::get_current_value(scanner_handle handle, int option, vo
 
 		jsn->get_value("name", name);
 		ret = true;
-		if (name == KNOWN_OPT_NAME_CUSTOM_GAMMA)
-		{
-			SANE_Int* v = (SANE_Int*)value;
-			std::vector<std::string>	vs;
-
-			jsn->get_as_array("cur", vs);
-			for (int i = 0; i < 3 * 256 && i < vs.size(); ++i)
-				v[i] = atoi(vs[i].c_str());
-		}
-		else if (val == "int")
+		if (val == "int")
 		{
 			int v = 0;
 			jsn->get_value("cur", v);
@@ -2005,6 +2009,14 @@ SANE_Option_Descriptor* hg_sane_middleware::get_option_descriptor(SANE_Handle h,
 		}
 	}
 	
+	if (ret)
+	{
+		if (std_opt_)
+			std_opt_->init_known_opt(option, ret);
+	}
+	else if (std_opt_)
+		ret = std_opt_->get_option(option);
+
 	return ret;
 }
 SANE_Status hg_sane_middleware::set_option(SANE_Handle h, SANE_Int option, SANE_Action action, void* value, SANE_Int* after_do)
@@ -2032,7 +2044,12 @@ SANE_Status hg_sane_middleware::set_option(SANE_Handle h, SANE_Int option, SANE_
 		}
 		else
 		{
-			if(get_current_value(handle, option, value))
+			if (std_opt_ && std_opt_->is_known_option(option))
+			{
+				std_opt_->get_value(h, option, value);
+				ret = SANE_STATUS_GOOD;
+			}
+			else if(get_current_value(handle, option, value))
 				ret = SANE_STATUS_GOOD;
 		}
 
@@ -2042,74 +2059,75 @@ SANE_Status hg_sane_middleware::set_option(SANE_Handle h, SANE_Int option, SANE_
 	{
 		SANE_Option_Descriptor* desc = find_stored_descriptor(dev.dev_name.c_str(), option);
 		bool					release_value = false;
-
-		if (!desc)
-		{
-			HG_VLOG_MINI_1(LOG_LEVEL_FATAL, "Option descriptor %d not found.\n", option);
-			return SANE_STATUS_UNSUPPORTED;
-		}
-		else if (!value && desc->type != SANE_TYPE_BUTTON)
-		{
-			if (action == SANE_ACTION_SET_AUTO)	// we assume the driver can set the option properbly, and no work to do
-			{
-				HG_VLOG_MINI_2(LOG_LEVEL_WARNING, "Option %d(%s) call SANE_ACTION_SET_AUTO, we set default value.\n", option, desc->title);
-				
-				value = get_default_value(handle, option);
-				if(!value)
-					return SANE_STATUS_GOOD;
-				release_value = true;
-			}
-			else
-			{
-				HG_VLOG_MINI_2(LOG_LEVEL_WARNING, "Option descriptor %d(%s) need a value!.\n", option, desc->title);
-
-				return SANE_STATUS_INVAL;
-			}
-		}
-
-		if (desc->name == "duplex")	// conver SANE_Bool to char*
-		{
-			bool dup = (*(SANE_Bool*)value) == SANE_TRUE;
-
-			value = local_utility::acquire_memory(desc->size + 4, "");
-			strcpy((char*)value, dup ? OPTION_VALUE_SMYM_SM : OPTION_VALUE_SMYM_DM);
-			release_value = true;
-		}
-
+		scanner_err				err = SCANNER_ERR_OK;
 		SANE_Status	status = SANE_STATUS_GOOD;
-		std::string	v(hg_sane_middleware::option_value_2_string(desc->type, value));
-		void*		pass = value;
-		double		dv = .0f;
-		bool		bv = false;
-		int			size = desc->size;
-		scanner_err		err = SCANNER_ERR_OK; 
-		
-		if (desc->type == SANE_TYPE_BOOL)
+		std::string	prev(""), v("");
+
+		if (std_opt_ && std_opt_->is_known_option(option, &desc))
 		{
-			bv = *((SANE_Bool*)value) == SANE_TRUE;
-			pass = &bv;
-			size = sizeof(bv);
+			SANE_Option_Descriptor* known = std_opt_->get_option(option);
+			prev = hg_sane_middleware::option_value_2_string(known->type, value);
+			err = std_opt_->set_value(handle, option, value);
+			v = hg_sane_middleware::option_value_2_string(known->type, value);
 		}
-		else if (desc->type == SANE_TYPE_FIXED)
+		else
 		{
-			dv = hg_sane_middleware::sane_fixed_2_double(*((SANE_Fixed*)value));
-			pass = &dv;
-			size = sizeof(dv);
+			if (!desc)
+			{
+				HG_VLOG_MINI_1(LOG_LEVEL_FATAL, "Option descriptor %d not found.\n", option);
+				return SANE_STATUS_UNSUPPORTED;
+			}
+			else if (!value && desc->type != SANE_TYPE_BUTTON)
+			{
+				if (action == SANE_ACTION_SET_AUTO)	// we assume the driver can set the option properbly, and no work to do
+				{
+					HG_VLOG_MINI_2(LOG_LEVEL_WARNING, "Option %d(%s) call SANE_ACTION_SET_AUTO, we set default value.\n", option, desc->title);
+
+					value = get_default_value(handle, option);
+					if (!value)
+						return SANE_STATUS_GOOD;
+					release_value = true;
+				}
+				else
+				{
+					HG_VLOG_MINI_2(LOG_LEVEL_WARNING, "Option descriptor %d(%s) need a value!.\n", option, desc->title);
+
+					return SANE_STATUS_INVAL;
+				}
+			}
+
+			void* pass = value;
+			double		dv = .0f;
+			bool		bv = false;
+			int			size = desc->size;
+
+			prev = hg_sane_middleware::option_value_2_string(desc->type, value);
+			if (desc->type == SANE_TYPE_BOOL)
+			{
+				bv = *((SANE_Bool*)value) == SANE_TRUE;
+				pass = &bv;
+				size = sizeof(bv);
+			}
+			else if (desc->type == SANE_TYPE_FIXED)
+			{
+				dv = hg_sane_middleware::sane_fixed_2_double(*((SANE_Fixed*)value));
+				pass = &dv;
+				size = sizeof(dv);
+			}
+
+			err = hg_scanner_set_parameter(handle, option, pass, size);
+
+			if (desc->type == SANE_TYPE_BOOL)
+			{
+				*((SANE_Bool*)value) = bv ? SANE_TRUE : SANE_FALSE;
+			}
+			else if (desc->type == SANE_TYPE_FIXED)
+			{
+				*((SANE_Fixed*)value) = hg_sane_middleware::double_2_sane_fixed(dv);
+			}
+			v = hg_sane_middleware::option_value_2_string(desc->type, value);
 		}
 
-		err = hg_scanner_set_parameter(handle, option, pass, size);
-
-		if (desc->type == SANE_TYPE_BOOL)
-		{
-			*((SANE_Bool*)value) = bv ? SANE_TRUE : SANE_FALSE;
-		}
-		else if (desc->type == SANE_TYPE_FIXED)
-		{
-			*((SANE_Fixed*)value) = hg_sane_middleware::double_2_sane_fixed(dv);
-		}
-
-		std::string prev(v);
-		v = hg_sane_middleware::option_value_2_string(desc->type, value);
 		if (prev == v)
 		{
 			HG_VLOG_MINI_3(LOG_LEVEL_DEBUG_INFO, "-->Set option(%d - %s) value: %s\n", option, desc->title, v.c_str());
diff --git a/hgsane/sane_hg_mdw.h b/hgsane/sane_hg_mdw.h
index 32ba140..799073a 100644
--- a/hgsane/sane_hg_mdw.h
+++ b/hgsane/sane_hg_mdw.h
@@ -25,6 +25,7 @@
 #endif
 
 class json;
+class sane_std_opts;
 class hg_sane_middleware
 {
 	typedef struct _device_option
@@ -35,6 +36,7 @@ class hg_sane_middleware
 	}DEVOPT;
 	std::vector<DEVOPT>	opts_;
 	SANE_Option_Descriptor* opt_0_;
+	sane_std_opts* std_opt_;
 
 	typedef struct _openning_scanner_option
 	{
diff --git a/hgsane/sane_option.cpp b/hgsane/sane_option.cpp
new file mode 100644
index 0000000..335c8c3
--- /dev/null
+++ b/hgsane/sane_option.cpp
@@ -0,0 +1,362 @@
+#include "sane_option.h"
+#include <sane/sane_option_definitions.h>
+#include "../sdk/hginclude/hg_log.h"
+
+#define ARRAY_SIZE(a)				(sizeof(a) / sizeof(a[0]))
+
+static struct _paper_size
+{
+	const char* title;
+	int	width;
+	int	height;
+}g_paper[] = 
+				{
+					{OPTION_VALUE_ZZCC_A3,	297, 420},
+					{OPTION_VALUE_ZZCC_8K,	297, 420},
+					{OPTION_VALUE_ZZCC_A4HX,297, 210},
+					{OPTION_VALUE_ZZCC_B4,	257, 364},
+					{OPTION_VALUE_ZZCC_B5HX,250, 176},	// {PAPER_B5, {182, 257}},
+					{OPTION_VALUE_ZZCC_A4,	210, 297},
+					{OPTION_VALUE_ZZCC_16K, 210, 285},	// {PAPER_16K, {185, 260}}
+					{OPTION_VALUE_ZZCC_A5HX,210, 148},
+					{OPTION_VALUE_ZZCC_B5,	176, 250},	// {PAPER_B5, {182, 257}},
+					{OPTION_VALUE_ZZCC_B6HX,176, 125},
+					{OPTION_VALUE_ZZCC_A5,	148, 210},
+					{OPTION_VALUE_ZZCC_A6HX,148, 105},
+					{OPTION_VALUE_ZZCC_B6,	125, 176},
+					{OPTION_VALUE_ZZCC_A6,	105, 148}
+				};
+static void match_paper(char* buf, int cx, int cy)
+{
+	unsigned long	fc0 = -1, fc1 = 0;
+	int				index = -1;
+
+	fc0 = 1600 + 40000;
+	for (size_t i = 0; i < ARRAY_SIZE(g_paper); ++i)
+	{
+		fc1 = (cx - g_paper[i].width) * (cx - g_paper[i].width);
+		fc1 += (cy - g_paper[i].height) * (cy - g_paper[i].height);
+		if (fc1 < fc0)
+		{
+			fc0 = fc1;
+			index = i;
+		}
+	}
+
+	if (index == -1)
+		strcpy(buf, OPTION_VALUE_ZZCC_PPYSCC);
+	else
+		strcpy(buf, g_paper[index].title);
+
+	HG_VLOG_MINI_3(LOG_LEVEL_DEBUG_INFO, "match paper(%u * %u) to '%s'\n", cx, cy, (char*)buf);
+}
+
+
+
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// sane_std_opts
+sane_std_opts::sane_std_opts(int opt_base) : opt_num_base_(opt_base), page_height_(0), page_width_(0)
+{}
+sane_std_opts::~sane_std_opts()
+{
+	for (size_t i = 0; i < known_opts_.size(); ++i)
+	{
+		char* buf = (char*)known_opts_[i].known.desc;
+		
+		delete[] buf;
+	}
+	known_opts_.clear();
+}
+
+SANE_Option_Descriptor* sane_std_opts::get_known_option(int opt, int* ind)
+{
+	if (ind)
+		*ind = -1;
+
+	for (size_t i = 0; i < known_opts_.size(); ++i)
+	{
+		if (known_opts_[i].known.opt == opt)
+		{
+			if (ind)
+				*ind = i;
+
+			return known_opts_[i].known.desc;
+		}
+	}
+
+	return nullptr;
+}
+SANE_Option_Descriptor* sane_std_opts::get_known_option(const char* name, int* ind)
+{
+	if (ind)
+		*ind = -1;
+
+	for (size_t i = 0; i < known_opts_.size(); ++i)
+	{
+		if (strcmp(known_opts_[i].known.desc->name, name) == 0)
+		{
+			if (ind)
+				*ind = i;
+
+			return known_opts_[i].known.desc;
+		}
+	}
+
+	return nullptr;
+}
+void sane_std_opts::to_known_opt_value(OPTMAP* opmap, const void* data, void* known_data)
+{
+	if (strcmp(opmap->known.desc->name, SANE_STD_OPT_NAME_PAGE) == 0)
+	{
+		*((SANE_Bool*)known_data) = strcmp((char*)data, OPTION_VALUE_SMYM_DM) == 0 ? SANE_FALSE : SANE_TRUE;
+	}
+	else if (strcmp(opmap->user.desc->name, OPTION_TITLE_SMYM) == 0)
+	{
+		bool ok = false;
+		for (size_t i = 0; i < ARRAY_SIZE(g_paper); ++i)
+		{
+			if (strcmp((char*)data, g_paper[i].title) == 0)
+			{
+				page_width_ = g_paper[i].width;
+				page_height_ = g_paper[i].height;
+				ok = true;
+				break;
+			}
+		}
+		if (!ok)
+		{
+			page_width_ = 2338;
+			page_height_ = 3307;
+		}
+		if (strcmp(opmap->known.desc->name, SANE_STD_OPT_NAME_PAPER_W) == 0)
+			*((SANE_Int*)known_data) = page_width_;
+		else if (strcmp(opmap->known.desc->name, SANE_STD_OPT_NAME_PAPER_H) == 0)
+			*((SANE_Int*)known_data) = page_height_;
+	}
+}
+void* sane_std_opts::from_known_opt_value(OPTMAP* opmap, const void* known_data, long* len)
+{
+	void*	buf = nullptr;
+	int		size = opmap->user.desc->size;
+
+	if (strcmp(opmap->known.desc->name, SANE_STD_OPT_NAME_PAGE) == 0)
+	{
+		buf = local_utility::acquire_memory(size + 4, "");
+		memset(buf, 0, size + 4);
+		if (len)
+			*len = size;
+		if (*((const SANE_Bool*)known_data) == SANE_TRUE)
+			strcpy((char*)buf, OPTION_VALUE_SMYM_SM);
+		else
+			strcpy((char*)buf, OPTION_VALUE_SMYM_DM);
+	}
+	else if (strcmp(opmap->user.desc->title, OPTION_TITLE_ZZCC) == 0)
+	{
+		int cx = page_width_,
+			cy = page_height_;
+
+		buf = local_utility::acquire_memory(size + 4, "");
+		memset(buf, 0, size + 4);
+		if (len)
+			*len = size;
+		if (strcmp(opmap->known.desc->name, SANE_STD_OPT_NAME_PAPER_W) == 0)
+			page_width_ = cx = *((SANE_Int*)known_data);
+		else
+			page_height_ = cy = *((SANE_Int*)known_data);
+
+		match_paper((char*)buf, cx, cy);
+	}
+
+	return buf;
+}
+
+json* sane_std_opts::get_opt_json(scanner_handle h, int opt)
+{
+	char*	buf = nullptr;
+	long	len = 0;
+	json*	jsn = nullptr;
+
+	if (hg_scanner_get_parameter(h, opt, buf, &len) == SCANNER_ERR_INSUFFICIENT_MEMORY)
+	{
+		buf = new char[len + 8];
+		memset(buf, 0, len + 8);
+		if (hg_scanner_get_parameter(h, opt, buf, &len) == SCANNER_ERR_OK)
+		{
+			jsn = new json();
+			if (!jsn->attach_text(buf))
+			{
+				delete jsn;
+				jsn = nullptr;
+			}
+		}
+		delete[] buf;
+	}
+
+	return jsn;
+}
+void* sane_std_opts::get_current_value(scanner_handle h, int opt)
+{
+	json* jsn = sane_std_opts::get_opt_json(h, opt);
+	void* ret = nullptr;
+
+	if (jsn)
+	{
+		std::string	val("");
+		int			size = 0;
+		jsn->get_value("type", val);
+		jsn->get_value("size", size);
+		if (val == "string")
+		{
+			jsn->get_value("cur", val);
+			if (size < val.length())
+				size = val.length() + 4;
+			ret = local_utility::acquire_memory(size, "");
+			strcpy((char*)ret, val.c_str());
+		}
+		else if (val == "bool")
+		{
+			bool v = false;
+			jsn->get_value("cur", v);
+			ret = local_utility::acquire_memory(sizeof(SANE_Bool), "");
+			*((SANE_Bool*)ret) = v ? SANE_TRUE : SANE_FALSE;
+		}
+		else if (val == "int")
+		{
+			int v = 0;
+			jsn->get_value("cur", v);
+			ret = local_utility::acquire_memory(sizeof(SANE_Int), "");
+			*((SANE_Int*)ret) = v;
+		}
+		else if (val == "float")
+		{
+			double v = .0f;
+			jsn->get_value("cur", v);
+			ret = local_utility::acquire_memory(sizeof(SANE_Fixed), "");
+			*((SANE_Fixed*)ret) = SANE_FIX(v);
+		}
+		delete jsn;
+	}
+
+	return ret;
+}
+
+void sane_std_opts::init_known_opt(int option, SANE_Option_Descriptor* desc)
+{
+	if (strcmp(desc->title, OPTION_TITLE_SMYM) == 0)
+	{
+		// duplex
+		if (!get_known_option(SANE_STD_OPT_NAME_PAGE))
+		{
+			OPTMAP	om;
+			int		size = sizeof(SANE_Option_Descriptor);
+
+			om.user.opt = option;
+			om.user.desc = desc;
+			om.known.opt = opt_num_base_ + known_opts_.size();
+			om.known.desc = (SANE_Option_Descriptor*)new char[size];
+			memset(om.known.desc, 0, size);
+			om.known.desc->cap = SANE_CAP_SOFT_SELECT | SANE_CAP_SOFT_DETECT | SANE_CAP_AUTOMATIC;
+			om.known.desc->constraint_type = SANE_CONSTRAINT_NONE;
+			om.known.desc->desc = "set page to be simplex or duplex";
+			om.known.desc->name = SANE_STD_OPT_NAME_PAGE;
+			om.known.desc->size = sizeof(SANE_Bool);
+			om.known.desc->title = "Duplex";
+			om.known.desc->type = SANE_TYPE_BOOL;
+			om.known.desc->unit = SANE_UNIT_NONE;
+			known_opts_.push_back(om);
+		}
+	}
+	else if (strcmp(desc->title, OPTION_TITLE_ZZCC) == 0)
+	{
+		// page-width && page-height
+		if (!get_known_option(SANE_STD_OPT_NAME_PAPER_W))
+		{
+			OPTMAP	om;
+			int		size = sizeof(SANE_Option_Descriptor);
+
+			om.user.opt = option;
+			om.user.desc = desc;
+			om.known.opt = opt_num_base_ + known_opts_.size();
+			om.known.desc = (SANE_Option_Descriptor*)new char[size];
+			memset(om.known.desc, 0, size);
+			om.known.desc->cap = SANE_CAP_SOFT_SELECT | SANE_CAP_SOFT_DETECT | SANE_CAP_AUTOMATIC;
+			om.known.desc->constraint_type = SANE_CONSTRAINT_NONE;
+			om.known.desc->desc = "set page width";
+			om.known.desc->name = SANE_STD_OPT_NAME_PAPER_W;
+			om.known.desc->size = sizeof(SANE_Int);
+			om.known.desc->title = "Page Width";
+			om.known.desc->type = SANE_TYPE_INT;
+			om.known.desc->unit = SANE_UNIT_MM;
+			known_opts_.push_back(om);
+
+			om.known.opt = opt_num_base_ + known_opts_.size();
+			om.known.desc = (SANE_Option_Descriptor*)new char[size];
+			memset(om.known.desc, 0, size);
+			om.known.desc->cap = SANE_CAP_SOFT_SELECT | SANE_CAP_SOFT_DETECT | SANE_CAP_AUTOMATIC;
+			om.known.desc->constraint_type = SANE_CONSTRAINT_NONE;
+			om.known.desc->desc = "set page height";
+			om.known.desc->name = SANE_STD_OPT_NAME_PAPER_H;
+			om.known.desc->size = sizeof(SANE_Int);
+			om.known.desc->title = "Page Height";
+			om.known.desc->type = SANE_TYPE_INT;
+			om.known.desc->unit = SANE_UNIT_MM;
+			known_opts_.push_back(om);
+		}
+	}
+}
+SANE_Option_Descriptor* sane_std_opts::get_option(int option)
+{
+	return get_known_option(option);
+}
+
+bool sane_std_opts::is_known_option(int opt, SANE_Option_Descriptor** user)
+{
+	int	ind = -1;
+	SANE_Option_Descriptor* sod = get_known_option(opt, &ind);
+
+	if (user && ind != -1)
+		*user = known_opts_[ind].user.desc;
+
+	return sod != nullptr;
+}
+scanner_err sane_std_opts::get_value(scanner_handle h, int opt, void* buf)
+{
+	int			ind = -1;
+	scanner_err	statu = SCANNER_ERR_INVALID_PARAMETER;
+
+	if (get_known_option(opt, &ind))
+	{
+		OPTMAP*	op = &known_opts_[ind];
+		void*	data = sane_std_opts::get_current_value(h, op->user.opt);
+
+		if (data)
+		{
+			to_known_opt_value(op, data, buf);
+			local_utility::free_memory(data);
+		}
+	}
+
+	return statu;
+}
+scanner_err sane_std_opts::set_value(scanner_handle h, int opt, void* buf)
+{
+	int			ind = -1;
+	scanner_err	statu = SCANNER_ERR_INVALID_PARAMETER;
+
+	if (get_known_option(opt, &ind))
+	{
+		OPTMAP* op = &known_opts_[ind];
+		long	len = 0;
+		void*	data = from_known_opt_value(op, buf, &len);
+
+		HG_VLOG_MINI_3(LOG_LEVEL_DEBUG_INFO, "%d->%d: %s\n", opt, op->user.opt, (char*)data);
+
+		statu = hg_scanner_set_parameter(h, op->user.opt, data, len);
+		if (statu == SCANNER_ERR_NOT_EXACT)
+			to_known_opt_value(op, data, buf);
+		if (data)
+			local_utility::free_memory(data);
+	}
+
+	return statu;
+}
diff --git a/hgsane/sane_option.h b/hgsane/sane_option.h
new file mode 100644
index 0000000..aa825ac
--- /dev/null
+++ b/hgsane/sane_option.h
@@ -0,0 +1,62 @@
+#pragma once
+
+#include <signal.h>
+#include <string.h>
+#include <stdlib.h>
+#include <vector>
+#include <algorithm>
+#include <string>
+#include <stdio.h>
+#ifdef WIN32
+#define bzero(b, s)		memset(b, 0, s)
+#else
+#include <iconv.h>
+#endif
+#include "../sdk/hginclude/huagaoxxx_warraper_ex.h"
+#include "sane/sane_ex.h"
+#include "json.h"
+
+namespace local_utility
+{
+	void* acquire_memory(size_t bytes, const char* info);
+	void free_memory(void* m);
+};
+
+class sane_std_opts
+{
+	typedef struct _sane_opt
+	{
+		SANE_Option_Descriptor* desc;
+		int						opt;
+	}SANEOPT;
+	typedef struct _opt_map
+	{
+		SANEOPT		known;
+		SANEOPT		user;
+	}OPTMAP;
+	std::vector<OPTMAP>		known_opts_;
+	int						opt_num_base_;
+	int						page_width_;
+	int						page_height_;
+
+	SANE_Option_Descriptor* get_known_option(int opt, int* ind = nullptr);
+	SANE_Option_Descriptor* get_known_option(const char* name, int* ind = nullptr);
+	void to_known_opt_value(OPTMAP* opmap, const void* data, void* known_data);
+	void* from_known_opt_value(OPTMAP* opmap, const void* known_data, long* len);
+
+public:
+	sane_std_opts(int opt_base);
+	~sane_std_opts();
+
+public:
+	static json* get_opt_json(scanner_handle h, int opt);		// call delete to free the returned object
+	static void* get_current_value(scanner_handle h, int opt);	// call local_utility::free_memory to free the returned buffer
+
+public:
+	void init_known_opt(int option, SANE_Option_Descriptor* desc);
+	SANE_Option_Descriptor* get_option(int option);
+
+	bool is_known_option(int opt, SANE_Option_Descriptor** user = nullptr);
+	scanner_err get_value(scanner_handle h, int opt, void* buf);	// call this ONLY when is_known_option returnning true
+	scanner_err set_value(scanner_handle h, int opt, void* buf);	// call this ONLY when is_known_option returnning true
+};