diff --git a/cocos/scripting/lua-bindings/manual/CCLuaStack.cpp b/cocos/scripting/lua-bindings/manual/CCLuaStack.cpp
index e19e9787d2..d4bcdf132d 100644
--- a/cocos/scripting/lua-bindings/manual/CCLuaStack.cpp
+++ b/cocos/scripting/lua-bindings/manual/CCLuaStack.cpp
@@ -259,18 +259,19 @@ int LuaStack::executeScriptFile(const char* filename)
     }
 
     FileUtils *utils = FileUtils::getInstance();
+
     //
-    // 1. check .lua suffix
-    // 2. check .luac suffix
+    // 1. check .luac suffix
+    // 2. check .lua suffix
     //
-    std::string tmpfilename = buf + NOT_BYTECODE_FILE_EXT;
+    std::string tmpfilename = buf + BYTECODE_FILE_EXT;
     if (utils->isFileExist(tmpfilename))
     {
         buf = tmpfilename;
     }
     else
     {
-        tmpfilename = buf + BYTECODE_FILE_EXT;
+        tmpfilename = buf + NOT_BYTECODE_FILE_EXT;
         if (utils->isFileExist(tmpfilename))
         {
             buf = tmpfilename;