diff --git a/frameworks/resmgr_lite/include/res_config.h b/frameworks/resmgr_lite/include/res_config.h
index 80a2632428e75af018715eeb66c04506e402ba72..4f9a733993fca74b3a7aa75d3db180c971151585 100644
--- a/frameworks/resmgr_lite/include/res_config.h
+++ b/frameworks/resmgr_lite/include/res_config.h
@@ -59,7 +59,7 @@ LocaleInfo *BuildFromString(const char *str, char sep, RState &rState);
 
 LocaleInfo *BuildFromParts(const char *language, const char *script, const char *region, RState &rState);
 
-void FindAndSort(std::string localeStr, std::vector<std::string> &candidateLocale, std::vector<std::string> &outValue);
+void FindAndSort(const std::string localeStr, std::vector<std::string> &candidateLocale, std::vector<std::string> &outValue);
 } // namespace Resource
 } // namespace Global
 } // namespace OHOS
diff --git a/frameworks/resmgr_lite/src/global.cpp b/frameworks/resmgr_lite/src/global.cpp
index a66a833c61b74deb8c38d8a27b851f5b02f12ae5..6c2e333e8ad9327e922b041b98f7677a28371a70 100644
--- a/frameworks/resmgr_lite/src/global.cpp
+++ b/frameworks/resmgr_lite/src/global.cpp
@@ -55,8 +55,7 @@ void GLOBAL_ConfigLanguage(const char *appLanguage)
     }
     InitResConfig();
 
-    std::string lan(appLanguage);
-    std::string language, script, region;
+    std::string lan(appLanguage);    
     auto index1 = lan.find("-");
     auto index2 = lan.find("_");
     auto indexStart = std::string::npos;
@@ -68,7 +67,9 @@ void GLOBAL_ConfigLanguage(const char *appLanguage)
         indexStart = index2;
         indexEnd = lan.find("_", index2 + 1);
     }
-
+    std::string language;
+    std::string script;
+    std::string region;
     if (indexStart != std::string::npos) {
         if (indexEnd != std::string::npos) {
             language.assign(appLanguage, indexStart);
diff --git a/frameworks/resmgr_lite/src/res_locale.cpp b/frameworks/resmgr_lite/src/res_locale.cpp
index 45e99a5134df093c6c4a2735ef904a9bb89c1388..7a4a86dc55a9282b2e303d0226e539353f6910d2 100644
--- a/frameworks/resmgr_lite/src/res_locale.cpp
+++ b/frameworks/resmgr_lite/src/res_locale.cpp
@@ -422,7 +422,7 @@ void UpdateSysDefault(const LocaleInfo &localeInfo, bool needNotify)
     ResLocale::UpdateDefault(localeInfo, needNotify);
 }
 
-void FindAndSort(std::string localeStr, std::vector<std::string> &candidateLocale, std::vector<std::string> &outValue)
+void FindAndSort(const std::string localeStr, std::vector<std::string> &candidateLocale, std::vector<std::string> &outValue)
 {
     if (candidateLocale.size() == 0) {
         return;