diff --git a/cocos/scripting/lua-bindings/manual/LuaBasicConversions.h b/cocos/scripting/lua-bindings/manual/LuaBasicConversions.h
index b724a37576..2ef1bc8385 100644
--- a/cocos/scripting/lua-bindings/manual/LuaBasicConversions.h
+++ b/cocos/scripting/lua-bindings/manual/LuaBasicConversions.h
@@ -245,7 +245,7 @@ extern bool luaval_to_rect(lua_State* L,int lo,Rect* outValue, const char* funcN
  * @param funcName the name of calling function, it is used for error output in the debug model.
  * @return Return true if the value at the given accpetable index of stack is a table, otherwise return false.
  */
-extern CC_LUA_DLL luaval_to_color3b(lua_State* L,int lo,Color3B* outValue, const char* funcName = "");
+extern CC_LUA_DLL bool luaval_to_color3b(lua_State* L,int lo,Color3B* outValue, const char* funcName = "");
 
 /**
  * Get a Color4B object value from the given accpetable index of stack.