diff --git a/hgdriver/hgdev/hg_scanner.cpp b/hgdriver/hgdev/hg_scanner.cpp
index b28318b..6b2a052 100644
--- a/hgdriver/hgdev/hg_scanner.cpp
+++ b/hgdriver/hgdev/hg_scanner.cpp
@@ -1392,6 +1392,10 @@ int hg_scanner::setting_go_on_when_double_checked(int sn, void* data)
 
 	double_paper_handle_ = double_paper_flag_from_option_value(val, &ok);
 
+	// 此处需要通知设备双张处理方式 ！！！
+	// OPTION_VALUE_SZTPCL_xxx 共４种选择，目前只支持出现双张后停止的两种方式
+	// 若要上传出现双张的图片，请确保双张信号在图片之前发出来 ！！！
+
 	if(ok)
 		return SCANNER_ERR_OK;
 	else
@@ -2674,27 +2678,18 @@ int hg_scanner::device_io_control(unsigned long code, void* data, unsigned* len)
 
 		return SCANNER_ERR_OK;
 	}
-	else if(code == IO_CTRL_CODE_GET_LOG_FILE  && len && *len == LOG_FILE_DRIVER)
+	else if(code == IO_CTRL_CODE_GET_LOG_FILE  && len && *len == LOG_FILE_DEVICE)
 	{
-		string save_path = hg_log::temporary_path() + "/device.log";
+		string save_path = hg_log::temporary_path() + PATH_SEPARATOR + "device.log";
 		
 		int ret = get_device_log(save_path);
 
+		*(char*)data = 0;
 		if (ret != SCANNER_ERR_OK)
 		{
 			return ret;
-		}
-	
-		FILE* src = fopen(save_path.c_str(), "rb");
-		if (src)
-		{
-			ret = SCANNER_ERR_OK;
-			fclose(src);
-		}
-		else
-		{
-			ret = SCANNER_ERR_WRITE_FILE_FAILED;
-		}
+		}	
+		strcpy((char*)data, save_path.c_str());
 
 		return ret;
 	}
@@ -2719,7 +2714,7 @@ int hg_scanner::get_roller_num(void)
 }
 int hg_scanner::get_device_log(string &log)
 {
-	return -2;
+	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
 }
 
 int hg_scanner::clear_roller_num(void)
diff --git a/hgdriver/hgdev/hg_scanner_239.cpp b/hgdriver/hgdev/hg_scanner_239.cpp
index b9ad166..61e315a 100644
--- a/hgdriver/hgdev/hg_scanner_239.cpp
+++ b/hgdriver/hgdev/hg_scanner_239.cpp
@@ -1913,7 +1913,7 @@ int hg_scanner_239::notify_sleep()
 }
 int hg_scanner_239::get_history_count()
 {
-	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
+	return -2;
 }
 int hg_scanner_239::get_device_log(string &log)
 {
diff --git a/hgdriver/hgdev/hg_scanner_300.cpp b/hgdriver/hgdev/hg_scanner_300.cpp
index d55395d..2e5fe94 100644
--- a/hgdriver/hgdev/hg_scanner_300.cpp
+++ b/hgdriver/hgdev/hg_scanner_300.cpp
@@ -1329,7 +1329,7 @@ int hg_scanner_300::on_get_feedmode(int &feedmode)
 }
 int hg_scanner_300::get_device_log(string &log)
 {
-	return -2;
+	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
 }
 int hg_scanner_300::notify_sleep()
 {
diff --git a/hgdriver/hgdev/hg_scanner_400.cpp b/hgdriver/hgdev/hg_scanner_400.cpp
index bd01dcd..ea6702b 100644
--- a/hgdriver/hgdev/hg_scanner_400.cpp
+++ b/hgdriver/hgdev/hg_scanner_400.cpp
@@ -1316,7 +1316,7 @@ int hg_scanner_400::on_get_feedmode(int &feedmode)
 /////////////////////////////////////over///////////////////////////
 int hg_scanner_400::get_device_log(string &log)
 {
-	return -2;
+	return SCANNER_ERR_DEVICE_NOT_SUPPORT;
 }
 int hg_scanner_400::notify_sleep()
 {
diff --git a/hgdriver/hgdev/scanner_manager.cpp b/hgdriver/hgdev/scanner_manager.cpp
index 34db6f8..45a9977 100644
--- a/hgdriver/hgdev/scanner_manager.cpp
+++ b/hgdriver/hgdev/scanner_manager.cpp
@@ -438,7 +438,7 @@ scanner_err hg_scanner_mgr::get_about_info(scanner_handle h, void* data, unsigne
     {        
         set_appendix_info_for_about(about, ptr, count, BRAND_TITLE_FIRM_VERSION, scanner->get_firmware_version().c_str(), NULL);
         set_appendix_info_for_about(about, ptr, count, BRAND_TITLE_SERIAL_NUM, scanner->get_serial_num().c_str(), NULL);
-        set_appendix_info_for_about(about, ptr, count, BRAND_TITLE_IP, scanner->get_ip().c_str(), NULL);
+        //set_appendix_info_for_about(about, ptr, count, BRAND_TITLE_IP, scanner->get_ip().c_str(), NULL);
         rolls = scanner->get_roller_num();
         if (rolls >= 0)
         {