diff --git a/modules/user/model_user.go b/modules/user/model_user.go
index 8a52b8eee..e4e44003f 100644
--- a/modules/user/model_user.go
+++ b/modules/user/model_user.go
@@ -223,7 +223,11 @@ func (this *ModelUser) computeLevel(change *pb.UserResChangedPush) (lvchange boo
 		res        int64
 	)
 	rewards = make([]*cfg.Gameatn, 0)
-	for nextLvConf = this.module.configure.GetPlayerlvConf(curLv + 1); nextLvConf != nil; {
+	for {
+		nextLvConf = this.module.configure.GetPlayerlvConf(curLv + 1)
+		if nextLvConf != nil {
+			break
+		}
 		if curExp >= int64(nextLvConf.Exp) {
 			curExp = curExp - int64(nextLvConf.Exp)
 			curLv++