diff --git a/cocos/base/CCUserDefault.cpp b/cocos/base/CCUserDefault.cpp
index 1d52153ce9..8dd57d64e2 100644
--- a/cocos/base/CCUserDefault.cpp
+++ b/cocos/base/CCUserDefault.cpp
@@ -99,7 +99,7 @@ void UserDefault::setEncryptEnabled(bool enabled, const std::string& key, const
         ud_setkey(_iv, iv);
     }
 }
-a
+
 void UserDefault::encrypt(std::string& inout, int enc)
 {
     if (!inout.empty())