diff --git a/Assets/XLua/Src/StaticLuaCallbacks.cs b/Assets/XLua/Src/StaticLuaCallbacks.cs
index afe40ae0fd9a567972810e84cfcc77a0ce7427b0..9696a42c959d6ea478a9ea36a081109e83cf1c59 100644
--- a/Assets/XLua/Src/StaticLuaCallbacks.cs
+++ b/Assets/XLua/Src/StaticLuaCallbacks.cs
@@ -164,7 +164,10 @@ namespace XLua
                 if (udata != -1)
                 {
                     ObjectTranslator translator = ObjectTranslatorPool.Instance.Find(L);
-                    translator.collectObject(udata);
+                    if ( translator != null )
+                    {
+                        translator.collectObject(udata);
+                    }
                 }
                 return 0;
             }