diff --git a/hgdriver/hgdev/CMakeLists.txt b/hgdriver/hgdev/CMakeLists.txt
index 89eff29..3fda67e 100644
--- a/hgdriver/hgdev/CMakeLists.txt
+++ b/hgdriver/hgdev/CMakeLists.txt
@@ -50,9 +50,10 @@ target_link_libraries(${PROJECT_NAME} PRIVATE usb-1.0)
 target_include_directories(${PROJECT_NAME} PRIVATE ${PROJECT_SOURCE_DIR} 
                              ${PROJECT_SOURCE_DIR}/../3rdparty/nick
                              ${PROJECT_SOURCE_DIR}/../ImageProcess
-   						    ${PROJECT_SOURCE_DIR}/../3rdparty/opencv/include
+   						     ${PROJECT_SOURCE_DIR}/../3rdparty/opencv/include
                              ${PROJECT_SOURCE_DIR}/../3rdparty/tiff/include
-                             ${PROJECT_SOURCE_DIR}/../../../sdk/include                         
+                             ${PROJECT_SOURCE_DIR}/../../../sdk/include      
+							 ${PROJECT_SOURCE_DIR}/../wrapper                   
 
                                                   )
 set(LIBRARY_OUTPUT_PATH  ${PROJECT_SOURCE_DIR}/../../../build)
diff --git a/hgdriver/hgdev/hg_scanner.cpp b/hgdriver/hgdev/hg_scanner.cpp
index 5d52887..cb67816 100644
--- a/hgdriver/hgdev/hg_scanner.cpp
+++ b/hgdriver/hgdev/hg_scanner.cpp
@@ -2930,7 +2930,11 @@ int hg_scanner::set_setting(const char* name, void* data, int len)
 	//	setting_jsn_.at(real_n).at("title").get_to(name);
 		if (type == "string")
 		{
-			setting_jsn_.at(real_n).at("cur") = (char*)data;
+			int id = lang_get_string_id((char*)data, false);
+			if (id == -1)
+				setting_jsn_.at(real_n).at("cur") = (char*)data;
+			else
+				setting_jsn_.at(real_n).at("cur") = id;
 			type = (char*)data;
 		}
 		else if (type == "int")
@@ -3046,6 +3050,49 @@ bool hg_scanner::is_online(void)
 {
 	return online_;
 }
+void hg_scanner::on_language_changed(void)
+{
+	// change the 'size' member of string settings ...
+	for (size_t i = 1; i < jsn_children_.size(); ++i)
+	{
+		std::string	v(jsn_children_[i]);
+
+		if (!setting_jsn_.contains(v.c_str()))
+			continue;
+
+		std::string	val("");
+
+		setting_jsn_.at(v.c_str()).at("type").get_to(val);
+		if (val != "string")
+			continue;
+
+		if (setting_jsn_.at(v.c_str()).contains("range"))
+		{
+			int old = 0, now = 0;
+			setting_jsn_.at(v.c_str()).at("size").get_to(old);
+			for (int i = 0; i < setting_jsn_.at(v.c_str()).at("range").size(); ++i)
+			{
+				int id = -1;
+
+				if (setting_jsn_.at(v.c_str()).at("range").at(i).is_number())
+				{
+					setting_jsn_.at(v.c_str()).at("range").at(i).get_to(id);
+					val = hg_log::lang_load(id);
+				}
+				else
+					setting_jsn_.at(v.c_str()).at("range").at(i).get_to(val);
+				if (now < val.length())
+					now = val.length();
+			}
+			now += 8;
+			if (now > old)
+			{
+				setting_jsn_.at(v.c_str()).at("size") = now;
+				VLOG_MINI_3(LOG_LEVEL_DEBUG_INFO, "Change size of '%s' from %d to %d\n", v.c_str(), old, now);
+			}
+		}
+	}
+}
 int hg_scanner::start(void)
 {
 	user_cancel_ = false;
diff --git a/hgdriver/hgdev/hg_scanner.h b/hgdriver/hgdev/hg_scanner.h
index cd685c9..3394db5 100644
--- a/hgdriver/hgdev/hg_scanner.h
+++ b/hgdriver/hgdev/hg_scanner.h
@@ -426,6 +426,8 @@ public:
 	std::string name(void);
 	int status(void);
     bool is_online(void);
+    void on_language_changed(void);
+
 public:
     virtual int start(void);
     virtual int get_image_info(SANE_Parameters* ii);
diff --git a/hgdriver/hgdev/scanner_manager.cpp b/hgdriver/hgdev/scanner_manager.cpp
index 79eaaaf..0bdbee9 100644
--- a/hgdriver/hgdev/scanner_manager.cpp
+++ b/hgdriver/hgdev/scanner_manager.cpp
@@ -778,3 +778,13 @@ scanner_err hg_scanner_mgr::hg_scanner_control(scanner_handle h, unsigned long c
     else 
         return (scanner_err)SCAN_PTR(h)->device_io_control(code, data, len);
 }
+
+void hg_scanner_mgr::on_language_changed(void)
+{
+    std::lock_guard<std::mutex>      lock(mutex_dev_);
+    for (auto& v: online_devices_)
+    {
+        if (v.scanner)
+            v.scanner->on_language_changed();
+    }
+}
\ No newline at end of file
diff --git a/hgdriver/hgdev/scanner_manager.h b/hgdriver/hgdev/scanner_manager.h
index b7fd52f..389013f 100644
--- a/hgdriver/hgdev/scanner_manager.h
+++ b/hgdriver/hgdev/scanner_manager.h
@@ -127,5 +127,7 @@ public:
     scanner_err hg_scanner_get_status(scanner_handle h, int setstutas);
     scanner_err hg_scanner_reset(scanner_handle h);
     scanner_err hg_scanner_control(scanner_handle h, unsigned long code, void* data, unsigned* len);
+
+    void on_language_changed(void);
 };
 
diff --git a/hgdriver/wrapper/CMakeLists.txt b/hgdriver/wrapper/CMakeLists.txt
index 17bb5f9..79bb56c 100644
--- a/hgdriver/wrapper/CMakeLists.txt
+++ b/hgdriver/wrapper/CMakeLists.txt
@@ -36,6 +36,7 @@ endif()
 target_link_libraries(${PROJECT_NAME} PRIVATE  
                       ${PROJECT_SOURCE_DIR}/../../../build/libgdev.a
       ${PROJECT_SOURCE_DIR}/../../../build/libgimgproc.a
+					  ${PROJECT_SOURCE_DIR}/../../../release/uos/${CMAKE_SYSTEM_PROCESSOR}/liblang.so
                ${PROJECT_SOURCE_DIR}/../3rdparty/opencv/lib/uos/${CMAKE_SYSTEM_PROCESSOR}/libopencv_imgproc.a
                       ${PROJECT_SOURCE_DIR}/../3rdparty/opencv/lib/uos/${CMAKE_SYSTEM_PROCESSOR}/libopencv_imgcodecs.a
                       ${PROJECT_SOURCE_DIR}/../3rdparty/opencv/lib/uos/${CMAKE_SYSTEM_PROCESSOR}/libopencv_highgui.a
@@ -49,6 +50,7 @@ target_link_libraries(${PROJECT_NAME} PRIVATE
                       ${PROJECT_SOURCE_DIR}/../3rdparty/opencv/lib/uos/${CMAKE_SYSTEM_PROCESSOR}/libquirc.a
                       ${PROJECT_SOURCE_DIR}/../3rdparty/opencv/lib/uos/${CMAKE_SYSTEM_PROCESSOR}/libzlib.a
                       ${PROJECT_SOURCE_DIR}/../3rdparty/opencv/lib/uos/${CMAKE_SYSTEM_PROCESSOR}/liblibwebp.a
+					  
                       ${PROJECT_SOURCE_DIR}/../../../sdk/lib/uos/${CMAKE_SYSTEM_PROCESSOR}/libusb-1.0.a #uos下放的先后顺序不对可能会导致库链接不上
   udev pthread dl m)
 
@@ -95,6 +97,7 @@ target_include_directories(${PROJECT_NAME} PRIVATE ${PROJECT_SOURCE_DIR}
                            ${PROJECT_SOURCE_DIR}/../3rdparty/tiff/include
                            ${PROJECT_SOURCE_DIR}/../ImageProcess
                            ${PROJECT_SOURCE_DIR}/../hgdev
+						   ${PROJECT_SOURCE_DIR}/../wrapper
                            ${PROJECT_SOURCE_DIR}/../../../sdk/include 
                             )                              
 set(LIBRARY_OUTPUT_PATH  ${PROJECT_SOURCE_DIR}/../../../release/uos/${CMAKE_SYSTEM_PROCESSOR})
diff --git a/hgdriver/wrapper/huagaoxxx_warraper_ex.cpp b/hgdriver/wrapper/huagaoxxx_warraper_ex.cpp
index 6665d4a..3a72594 100644
--- a/hgdriver/wrapper/huagaoxxx_warraper_ex.cpp
+++ b/hgdriver/wrapper/huagaoxxx_warraper_ex.cpp
@@ -69,6 +69,12 @@ namespace err_map
 }
 extern "C"
 {
+	static void language_changed(int cp, void* param)
+	{
+		reload_setting_string_from_pak(cp, nullptr);
+		hg_scanner_mgr::instance()->on_language_changed();
+	}
+
 	scanner_err hg_scanner_initialize(sane_callback callback, void* reserve)
 	{
 		std::string	name(""),
@@ -98,7 +104,7 @@ extern "C"
 			VLOG_MINI_1(LOG_LEVEL_FATAL, "No language package found(%d)!\n", -1);
 			return SCANNER_ERR_LANG_PAK_LOST;
 		}
-		register_language_changed_notify(reload_setting_string_from_pak, true);
+		register_language_changed_notify(language_changed, true);
 
 		hg_scanner_mgr::set_version(VERSION_MAJOR, VERSION_MINOR, VERSION_YEAR, GET_BUILD_VER);
 		hg_scanner_mgr::set_exe_name(pe.c_str(), name.c_str());
@@ -108,7 +114,7 @@ extern "C"
 	}
 	void hg_scanner_uninitialize(void)
 	{
-		register_language_changed_notify(reload_setting_string_from_pak, false);
+		register_language_changed_notify(language_changed, false);
 		hg_scanner_mgr::clear();
 		hg_log::unint();
 	}
diff --git a/hgsane/CMakeLists.txt b/hgsane/CMakeLists.txt
index de2991f..ca9f5ae 100644
--- a/hgsane/CMakeLists.txt
+++ b/hgsane/CMakeLists.txt
@@ -18,6 +18,7 @@ link_directories(${PROJECT_NAME} PRIVATE
             ${PROJECT_SOURCE_DIR}/../../release/uos/${CMAKE_SYSTEM_PROCESSOR}
                       )
 target_link_libraries(${PROJECT_NAME} PRIVATE hgdriver
+		   ${PROJECT_SOURCE_DIR}/../../release/uos/${CMAKE_SYSTEM_PROCESSOR}/liblang.so
 	       ${PROJECT_SOURCE_DIR}/../../release/uos/${CMAKE_SYSTEM_PROCESSOR}/libhgdriver.so
 	                ) 
 
diff --git a/hgsane/sane_hg_mdw.cpp b/hgsane/sane_hg_mdw.cpp
index 82dc360..32bbe62 100644
--- a/hgsane/sane_hg_mdw.cpp
+++ b/hgsane/sane_hg_mdw.cpp
@@ -171,7 +171,7 @@ namespace local_utility
 		return str > bgn;
 	}
 
-	// 暂不支持科学计数�?1.2e+10
+	// 暂不支持科学计数�?1.2e+10
 	bool get_number(const char*& str, double& val)
 	{
 		const char* bgn = str;
@@ -381,6 +381,8 @@ hg_sane_middleware::~hg_sane_middleware()
 
 void hg_sane_middleware::language_changed(int cp, void* param)
 {
+	for (auto& v : hg_sane_middleware::instance()->openning_)
+		hg_sane_middleware::free_device_inst(v, false);
 
 }
 const SANE_Device** hg_sane_middleware::to_sane_device(ScannerInfo* hgscanner, int count)
@@ -555,7 +557,7 @@ SANE_Option_Descriptor* hg_sane_middleware::string_option_to_SANE_descriptor(con
 	sod->unit = SANE_UNIT_NONE;
 	sod->size = values.size();
 	sod->cap = SANE_CAP_SOFT_SELECT | SANE_CAP_SOFT_DETECT		// 软件可设置选项
-				| SANE_CAP_AUTOMATIC;							// 硬件可设置默认�?
+				| SANE_CAP_AUTOMATIC;							// 硬件可设置默认�?
 	if (values.size())
 	{
 		sod->constraint_type = SANE_CONSTRAINT_STRING_LIST;
@@ -676,7 +678,7 @@ SANE_Option_Descriptor* hg_sane_middleware::number_option_to_SANE_descriptor(con
 	sod->unit = SANE_UNIT_NONE;
 	sod->size = sizeof(SANE_Word);
 	sod->cap = SANE_CAP_SOFT_SELECT | SANE_CAP_SOFT_DETECT		// 软件可设置选项
-		/*| SANE_CAP_AUTOMATIC*/;									// 硬件可设置默认�?
+		/*| SANE_CAP_AUTOMATIC*/;									// 硬件可设置默认�?
 
 	if (values.size())
 	{
@@ -726,7 +728,7 @@ SANE_Option_Descriptor* hg_sane_middleware::number_option_to_SANE_descriptor(con
 	sod->unit = SANE_UNIT_NONE;
 	sod->size = sizeof(SANE_Word);
 	sod->cap = SANE_CAP_SOFT_SELECT | SANE_CAP_SOFT_DETECT		// 软件可设置选项
-		/*| SANE_CAP_AUTOMATIC*/;									// 硬件可设置默认�?
+		/*| SANE_CAP_AUTOMATIC*/;									// 硬件可设置默认�?
 
 	if (values.size())
 	{
@@ -1002,7 +1004,7 @@ SANE_Option_Descriptor* hg_sane_middleware::from_json(scanner_handle h, const st
 		//if (jsn->get_value("enable", enabled) && !enabled)
 		//	ret->cap |= SANE_CAP_INACTIVE;
 
-		// 关联�?
+		// 关联�?
 		json*	depend = NULL;
 		SLAVEOP so;
 		if (jsn->get_value("depend_or", depend))
@@ -1016,7 +1018,7 @@ SANE_Option_Descriptor* hg_sane_middleware::from_json(scanner_handle h, const st
 		if (depend)
 		{
 			std::vector<LPDEVINST>::iterator it = find_openning_device_in_que(h);
-			if (it != openning_.end() && parse_depends(depend, so, (*it)->masters))
+			if (it != openning_.end() && parse_depends(h, depend, so, (*it)->masters))
 			{
 				so.enable_now = (ret->cap & SANE_CAP_INACTIVE) != SANE_CAP_INACTIVE;
 				so.name = name;
@@ -1049,14 +1051,22 @@ SANE_Option_Descriptor* hg_sane_middleware::from_json(scanner_handle h, const st
 
 	return ret;
 }
-void hg_sane_middleware::free_device_inst(LPDEVINST dev)
+void hg_sane_middleware::free_device_inst(LPDEVINST dev, bool del)
 {
 	if (dev->std_opt)
 		delete dev->std_opt;
 	for (auto& v : dev->opts)
 		local_utility::free_memory(v.desc);
 
-	delete dev;
+	if(del)
+		delete dev;
+	else
+	{
+		dev->opts.clear();
+		dev->cur_vals.clear();
+		dev->slaves.clear();
+		dev->masters.clear();
+	}
 }
 scanner_handle hg_sane_middleware::find_openning_device(SANE_Handle h, bool rmv, LPDEVINST* dev)
 {
@@ -1129,10 +1139,10 @@ SANE_Option_Descriptor* hg_sane_middleware::find_stored_descriptor(scanner_handl
 		if (IS_PTR_NUMBER(option))
 		{
 			if (id)
-				*id = (int)option;
+				*id = (SANE_Int)(long long)option;
 			for (const auto& v : (*it)->opts)
 			{
-				if (v.option_no == (int)option)
+				if (v.option_no == (SANE_Int)(long long)option)
 					return v.desc;
 			}
 		}
@@ -1233,7 +1243,7 @@ bool hg_sane_middleware::get_current_value(scanner_handle handle, const void* op
 		std::vector<LPDEVINST>::iterator it = find_openning_device_in_que(handle);
 		refresh_current_value(*it, name.c_str(), jsn);
 
-		jsn->get_value("title", val);
+		val = hg_sane_middleware::get_string_in_json(jsn, "title");
 
 		if (setv == &hg_sane_middleware::set_value_to_new)
 			value = *(void**)value;
@@ -1253,8 +1263,7 @@ void* hg_sane_middleware::get_default_value(scanner_handle handle, const void* o
 	if (jsn->attach_text(&val[0]) &&
 		jsn->get_value("type", val))
 	{
-		std::string title("");
-		jsn->get_value("title", title);
+		std::string title(hg_sane_middleware::get_string_in_json(jsn, "title"));
 		if (val == "bool")
 		{
 			bool v = false;
@@ -1349,7 +1358,7 @@ SANE_Status hg_sane_middleware::get_devices(const SANE_Device*** device_list, SA
 
 	if (hgerr == SCANNER_ERR_INSUFFICIENT_MEMORY)
 	{
-		count += 4;		// 为两次hg_scanner_enum间隙可能新增的设备预留空�?
+		count += 4;		// 为两次hg_scanner_enum间隙可能新增的设备预留空�?
 		dev = (ScannerInfo*)local_utility::acquire_memory(sizeof(ScannerInfo) * count, "hg_sane_middleware::get_devices");
 		hgerr = hg_scanner_enum(dev, &count, local_only);
 		if (hgerr != SCANNER_ERR_OK)
@@ -1727,7 +1736,7 @@ bool hg_sane_middleware::is_ready(void)
 }
 
 /// <summary>
-/// 关联项处�?
+/// 关联项处�?
 bool hg_sane_middleware::compare_val_equal(const char* cur_val, const char* limit_l, const char* limit_r)
 {
 	return strcmp(cur_val, limit_l) == 0;
@@ -1896,7 +1905,7 @@ bool hg_sane_middleware::parse_master_option(const char* depend_str, MASTEROP& m
 
 	return ret;
 }
-bool hg_sane_middleware::parse_depends(json* jsn, SLAVEOP& so, std::vector<std::string>& master)
+bool hg_sane_middleware::parse_depends(scanner_handle h, json* jsn, SLAVEOP& so, std::vector<std::string>& master)
 {
 	std::string val(""), mn("");
 	bool		ret = jsn->first_child(val);
@@ -1913,6 +1922,10 @@ bool hg_sane_middleware::parse_depends(json* jsn, SLAVEOP& so, std::vector<std::
 			mo.name = mn;
 		else
 			mn = mo.name;
+
+		SANE_Option_Descriptor* m = find_stored_descriptor(h, mo.name.c_str());
+		if (m && m->type == SANE_TYPE_STRING)
+			mo.limit_l = from_default_language(mo.limit_l.c_str(), nullptr);
 		so.master.push_back(mo);
 		if (std::find(master.begin(), master.end(), mo.name) == master.end())
 		{
diff --git a/hgsane/sane_hg_mdw.h b/hgsane/sane_hg_mdw.h
index 9d7ac2e..078fa73 100644
--- a/hgsane/sane_hg_mdw.h
+++ b/hgsane/sane_hg_mdw.h
@@ -89,7 +89,7 @@ typedef struct _dev_inst
 		return dev == h;
 	}
 
-	struct _dev_inst()
+	 _dev_inst()
 	{
 		dev = nullptr;
 		name = "";
@@ -171,7 +171,7 @@ class hg_sane_middleware
 
 
 	bool parse_master_option(const char* depend_str, MASTEROP& mo);
-	bool parse_depends(json* jsn, SLAVEOP& so, std::vector<std::string>& master);
+	bool parse_depends(scanner_handle h, json* jsn, SLAVEOP& so, std::vector<std::string>& master);
 
 	bool is_associatived(const SLAVEOP& slave, const char* master_name);
 	bool set_stored_option_enabled(scanner_handle h, const void* option, bool enable, int* size = NULL);
@@ -185,7 +185,7 @@ class hg_sane_middleware
 	std::vector<LPDEVINST>::iterator find_openning_device_in_que(const char* name);
 	/// 关联项处理结束
 
-	static void free_device_inst(LPDEVINST dev);
+	static void free_device_inst(LPDEVINST dev, bool del = true);
 	scanner_handle find_openning_device(SANE_Handle h, bool rmv = false, LPDEVINST* dev = NULL);
 
 protected: