diff --git a/modules/user/model_user.go b/modules/user/model_user.go
index a2254db48..8a52b8eee 100644
--- a/modules/user/model_user.go
+++ b/modules/user/model_user.go
@@ -222,7 +222,7 @@ func (this *ModelUser) computeLevel(change *pb.UserResChangedPush) (lvchange boo
 		curExp     int64 = change.Exp
 		res        int64
 	)
-
+	rewards = make([]*cfg.Gameatn, 0)
 	for nextLvConf = this.module.configure.GetPlayerlvConf(curLv + 1); nextLvConf != nil; {
 		if curExp >= int64(nextLvConf.Exp) {
 			curExp = curExp - int64(nextLvConf.Exp)