diff --git a/cocos/base/CCUserDefault.cpp b/cocos/base/CCUserDefault.cpp
index cb3f713942..6b4da15a60 100644
--- a/cocos/base/CCUserDefault.cpp
+++ b/cocos/base/CCUserDefault.cpp
@@ -324,7 +324,7 @@ Data UserDefault::getDataForKey(const char* pKey, const Data& defaultValue)
         encodedData = (const char*)(node->FirstChild()->Value());
     }
     
-    Data ret = defaultValue;
+    Data ret;
     
     if (encodedData)
     {
@@ -335,6 +335,10 @@ Data UserDefault::getDataForKey(const char* pKey, const Data& defaultValue)
             ret.fastSet(decodedData, decodedDataLen);
         }
     }
+    else
+    {
+        ret = defaultValue;
+    }
     
     if (doc) delete doc;