diff --git a/hgsane/sane_hg_mdw.cpp b/hgsane/sane_hg_mdw.cpp
index 55e6950..32b2bb0 100644
--- a/hgsane/sane_hg_mdw.cpp
+++ b/hgsane/sane_hg_mdw.cpp
@@ -2401,6 +2401,11 @@ std::vector<LPDEVINST>::iterator hg_sane_middleware::find_openning_device_in_que
 /// 导出接口
 /// </summary>
 extern "C" {	// avoid compiler exporting name in C++ style !!!
+	const char* inner_sane_err_desc(SANE_Status err)
+	{
+		return hg_scanner_err_description(local_utility::sane_statu_2_scanner_err(err));
+	}
+
 	SANE_Status inner_sane_init(SANE_Int* version_code, SANE_Auth_Callback authorize)
 	{
 		local_utility::cb_auth_ = authorize;
@@ -2475,7 +2480,8 @@ extern "C" {	// avoid compiler exporting name in C++ style !!!
 	}
 	SANE_String_Const inner_sane_strstatus(SANE_Status status)
 	{
-		return hg_scanner_err_name(status);
+		// return hg_scanner_err_name(status);
+		return inner_sane_err_desc(status);
 	}
 
 	SANE_Status inner_sane_init_ex(SANE_Int* version_code, sane_callback cb, void* param)
@@ -2492,10 +2498,6 @@ extern "C" {	// avoid compiler exporting name in C++ style !!!
 	{
 		return hg_sane_middleware::instance()->io_control(h, code, data, len);
 	}
-	const char* inner_sane_err_desc(SANE_Status err)
-	{
-		return hg_scanner_err_description(local_utility::sane_statu_2_scanner_err(err));
-	}
 	SANE_Status inner_sane_read_ext(SANE_Img_Ext_Info* ext_info, SANE_Int* len)
 	{
 		return SANE_STATUS_UNSUPPORTED;