diff --git a/sdk/base/data.cpp b/sdk/base/data.cpp
index 2af22e5..c13c361 100644
--- a/sdk/base/data.cpp
+++ b/sdk/base/data.cpp
@@ -486,7 +486,7 @@ file_reader::~file_reader()
 	if (map_)
 		map_->release();
 	notify_progress(len_, len_, 0);	// ensure 100%
-	utils::to_log(LOG_LEVEL_DEBUG, "Read over of file(%s) at(%p/%p).\n", path_.c_str(), consume_, len_);
+	utils::to_log(LOG_LEVEL_DEBUG, "Read over of file(%s) at(%llu/%llu).\n", path_.c_str(), consume_, len_);
 }
 
 int file_reader::open(const char* file, bool in_mem, size_t off)
diff --git a/sdk/sane_opt_json/base_opt.cpp b/sdk/sane_opt_json/base_opt.cpp
index 63069d2..13b5380 100644
--- a/sdk/sane_opt_json/base_opt.cpp
+++ b/sdk/sane_opt_json/base_opt.cpp
@@ -31,6 +31,31 @@ std::string sane_opt_provider::sane_value_2_text(const char* type, void* value)
 	else
 		return "";
 }
+void sane_opt_provider::set_opt_value(gb_json* opt, void* value, const char* key)
+{
+	std::string	type("");
+
+	opt->get_value("type", type);
+	if (!key || *key == 0)
+		key = "cur";
+
+	if (type == JSON_SANE_TYPE_BOOL)
+	{
+		opt->set_value(key, *(bool*)value);
+	}
+	else if (type == JSON_SANE_TYPE_INT)
+	{
+		opt->set_value(key, *(int*)value);
+	}
+	else if (type == JSON_SANE_TYPE_FIXED)
+	{
+		opt->set_value(key, *(double*)value);
+	}
+	else if (type == JSON_SANE_TYPE_STRING)
+	{
+		opt->set_value(key, (char*)value);
+	}
+}
 
 bool sane_opt_provider::set_opt_json_text(char* txt)
 {
diff --git a/sdk/sane_opt_json/base_opt.h b/sdk/sane_opt_json/base_opt.h
index cb87518..5c93bdf 100644
--- a/sdk/sane_opt_json/base_opt.h
+++ b/sdk/sane_opt_json/base_opt.h
@@ -9,6 +9,8 @@
 #include <map>
 #include <base/utils.h>	// for refer
 
+class gb_json;
+
 class sane_opt_provider : public refer
 {
 	bool	is_in_another_module_;
@@ -23,6 +25,7 @@ public:
 	sane_opt_provider();
 
 	static std::string sane_value_2_text(const char* type, void* value);	// convert to readable text. e.g. bool to "true" or "false", ...
+	static void set_opt_value(gb_json* opt, void* value, const char* key = "cur");
 
 protected:
 	virtual ~sane_opt_provider();
diff --git a/sdk/sane_opt_json/device_opt.cpp b/sdk/sane_opt_json/device_opt.cpp
index 54f2ed0..94c573b 100644
--- a/sdk/sane_opt_json/device_opt.cpp
+++ b/sdk/sane_opt_json/device_opt.cpp
@@ -1213,6 +1213,7 @@ void device_option::insert_option(gb_json* opt, sane_opt_provider* from, const c
 			type = sane_opt_provider::sane_value_2_text(type.c_str(), &val[0]);
 			utils::to_log(LOG_LEVEL_ALL, "Set option '%s' to default value: '%s'\n", opt->key().c_str(), type.c_str());
 			from->set_value(opt->key().c_str(), &val[0]);
+			sane_opt_provider::set_opt_value(opt, &val[0]);
 		}
 	}
 }