diff --git a/tools/simulator/libsimulator/lib/ProjectConfig/ProjectConfig.cpp b/tools/simulator/libsimulator/lib/ProjectConfig/ProjectConfig.cpp
index bd6a1c3233..d649c93bf8 100644
--- a/tools/simulator/libsimulator/lib/ProjectConfig/ProjectConfig.cpp
+++ b/tools/simulator/libsimulator/lib/ProjectConfig/ProjectConfig.cpp
@@ -50,7 +50,6 @@ ProjectConfig::ProjectConfig()
     , _consolePort(kProjectConfigConsolePort)
     , _fileUploadPort(kProjectConfigUploadPort)
     , _bindAddress("")
-    , _useLocalScript(false)
 {
     normalize();
 }
@@ -273,17 +272,6 @@ void ProjectConfig::setDebuggerType(int debuggerType)
     _debuggerType = debuggerType;
 }
 
-
-bool ProjectConfig::isUseLocalScript() const
-{
-    return _useLocalScript;
-}
-
-void ProjectConfig::setUseLocalScript(bool useLocalScript)
-{
-    _useLocalScript = useLocalScript;
-}
-
 void ProjectConfig::parseCommandLine(const vector<string> &args)
 {
     auto it = args.begin();
@@ -421,24 +409,11 @@ void ProjectConfig::parseCommandLine(const vector<string> &args)
             vector<string> pathes = split((*it), ';');
             setSearchPath(pathes);
         }
-        else if (arg.compare("-use-local-script") == 0)
+        else if (arg.compare("-first-search-path") == 0)
         {
             ++it;
-            if (it == args.end()) break;
-            if ((*it).compare("enable") == 0)
-            {
-                setUseLocalScript(true);
-            }
-            else
-            {
-                setUseLocalScript(false);
-            }
-        }
-        else if (arg.compare("-language-data-path") == 0)
-        {
-            ++it;
-            if (it == args.end()) break;
-            setLanguageDataPath(*it);
+            vector<string> pathes = split((*it), ';');
+            setFirstSearchPath(pathes);
         }
         ++it;
     }
@@ -602,17 +577,20 @@ vector<string> ProjectConfig::makeCommandLineVector(unsigned int mask /* = kProj
         }
     }
 
-    if (mask & kProjectConfigUseLocalScript)
+    if (mask & kProjectConfigFirstSearchPath)
     {
-        if (isUseLocalScript())
+        if (_searchPath.size() > 0)
         {
-            ret.push_back("-use-local-script");
-            ret.push_back("enable");
-        }
-        else
-        {
-            ret.push_back("-use-local-script");
-            ret.push_back("disable");
+            stringstream pathbuff;
+            for (auto &path : _searchPath)
+            {
+                pathbuff << dealWithSpaceWithPath(path) << ";";
+            }
+            string pathArgs = pathbuff.str();
+            pathArgs[pathArgs.length() - 1] = '\0';
+
+            ret.push_back("-first-search-path");
+            ret.push_back(pathArgs);
         }
     }
     return ret;
@@ -658,26 +636,17 @@ const vector<string> &ProjectConfig::getSearchPath() const
     return _searchPath;
 }
 
-void ProjectConfig::setLanguageDataPath(const std::string &filePath)
+void ProjectConfig::setFirstSearchPath(const vector<string> &args)
 {
-    bool isBinary = true;
-    string jsonExtension = ".json";
-    int exLength = jsonExtension.length();
-    if (filePath.length() >= exLength && 
-        (0 == filePath.compare(filePath.length() - exLength, exLength, jsonExtension)))
-    {
-        isBinary = false;
-    }
-
-    cocostudio::ILocalizationManager* lm;
-    if (isBinary)
-        lm = cocostudio::BinLocalizationManager::getInstance();
-    else
-        lm = cocostudio::JsonLocalizationManager::getInstance();
-    lm->initLanguageData(filePath);
-    cocostudio::LocalizationHelper::setCurrentManager(lm, isBinary);
+    _firstSearchPath = args;
 }
 
+const vector<string> &ProjectConfig::getFirstSearchPath() const
+{
+    return _firstSearchPath;
+}
+
+
 bool ProjectConfig::isAppMenu() const
 {
     return _isAppMenu;
diff --git a/tools/simulator/libsimulator/lib/ProjectConfig/ProjectConfig.h b/tools/simulator/libsimulator/lib/ProjectConfig/ProjectConfig.h
index 734cca8939..97c3d2382e 100644
--- a/tools/simulator/libsimulator/lib/ProjectConfig/ProjectConfig.h
+++ b/tools/simulator/libsimulator/lib/ProjectConfig/ProjectConfig.h
@@ -28,11 +28,11 @@ using namespace std;
 #define kProjectConfigDebugger                  1024    // -debugger-ldt, -debugger-codeide, -disable-debugger
 #define kProjectConfigListen                    2048    //
 #define kProjectConfigSearchPath                4096    //
-#define kProjectConfigUseLocalScript            8192    // -use-local-script
+#define kProjectConfigFirstSearchPath            8192    // -first-search-path
 
 #define kProjectConfigOpenRecent (kProjectConfigProjectDir | kProjectConfigScriptFile | kProjectConfigPackagePath | kProjectConfigWritablePath | kProjectConfigFrameSize | kProjectConfigFrameScale | kProjectConfigShowConsole | kProjectConfigLoadPrecompiledFramework | kProjectConfigWriteDebugLogToFile)
 
-#define kProjectConfigAll (kProjectConfigProjectDir | kProjectConfigScriptFile | kProjectConfigPackagePath | kProjectConfigWritablePath | kProjectConfigFrameSize | kProjectConfigFrameScale | kProjectConfigShowConsole | kProjectConfigLoadPrecompiledFramework | kProjectConfigWriteDebugLogToFile | kProjectConfigWindowOffset | kProjectConfigDebugger | kProjectConfigListen | kProjectConfigSearchPath)
+#define kProjectConfigAll (kProjectConfigProjectDir | kProjectConfigScriptFile | kProjectConfigPackagePath | kProjectConfigWritablePath | kProjectConfigFrameSize | kProjectConfigFrameScale | kProjectConfigShowConsole | kProjectConfigLoadPrecompiledFramework | kProjectConfigWriteDebugLogToFile | kProjectConfigWindowOffset | kProjectConfigDebugger | kProjectConfigListen | kProjectConfigSearchPath | kProjectConfigFirstSearchPath)
 
 
 #define kProjectConfigConsolePort   6010
@@ -105,10 +105,8 @@ public:
     const std::string &getBindAddress() const;
     void setSearchPath(const vector<string> &args);
     const vector<string> &getSearchPath() const;
-    void setLanguageDataPath(const std::string &filePath);
-
-    bool isUseLocalScript() const;
-    void setUseLocalScript(bool useLocalScript);
+    void setFirstSearchPath(const vector<string> &args);
+    const vector<string> &getFirstSearchPath() const;
 
     bool isAppMenu() const;
     bool isResizeWindow() const;
@@ -138,8 +136,7 @@ private:
     int _fileUploadPort;
     string _bindAddress;
     vector<string> _searchPath;
-    bool _useLocalScript;
-    string _languageDataPath;
+    vector<string> _firstSearchPath;
 
     void normalize();
     string replaceProjectDirToMacro(const string &path) const;
diff --git a/tools/simulator/libsimulator/lib/runtime/Runtime.cpp b/tools/simulator/libsimulator/lib/runtime/Runtime.cpp
index 74190ef796..6e2fe0709e 100644
--- a/tools/simulator/libsimulator/lib/runtime/Runtime.cpp
+++ b/tools/simulator/libsimulator/lib/runtime/Runtime.cpp
@@ -223,12 +223,13 @@ void RuntimeEngine::setProjectPath(const std::string &workPath)
         g_projectPath = workPath;
     }
 
-    if (!_project.isUseLocalScript())
+    // add project's root directory to search path
+    searchPathArray.insert(searchPathArray.begin(), g_projectPath);
+
+    if (!_project.getFirstSearchPath().empty())
     {
-        // add project's root directory to search path
-        searchPathArray.insert(searchPathArray.begin(), g_projectPath);
+        searchPathArray.insert(searchPathArray.begin(), _project.getFirstSearchPath().begin(), _project.getFirstSearchPath().end());
     }
-    
 
     // add writable path to search path
     searchPathArray.insert(searchPathArray.begin(), FileServer::getShareInstance()->getWritePath());