diff --git a/kernel/api/repo.go b/kernel/api/repo.go
index 41bcf21ab..c5f17bbaf 100644
--- a/kernel/api/repo.go
+++ b/kernel/api/repo.go
@@ -247,6 +247,7 @@ func importRepoKey(c *gin.Context) {
 	if err := model.ImportRepoKey(base64Key); nil != err {
 		ret.Code = -1
 		ret.Msg = fmt.Sprintf(model.Conf.Language(137), err)
+		ret.Data = map[string]interface{}{"closeTimeout": 5000}
 		return
 	}
 }
@@ -258,6 +259,7 @@ func initRepoKey(c *gin.Context) {
 	if err := model.InitRepoKey(); nil != err {
 		ret.Code = -1
 		ret.Msg = fmt.Sprintf(model.Conf.Language(137), err)
+		ret.Data = map[string]interface{}{"closeTimeout": 5000}
 		return
 	}
 
@@ -273,6 +275,7 @@ func resetRepo(c *gin.Context) {
 	if err := model.ResetRepo(); nil != err {
 		ret.Code = -1
 		ret.Msg = fmt.Sprintf(model.Conf.Language(146), err.Error())
+		ret.Data = map[string]interface{}{"closeTimeout": 5000}
 		return
 	}
 }
diff --git a/kernel/model/repository.go b/kernel/model/repository.go
index 9db36b5d8..a9ac9211f 100644
--- a/kernel/model/repository.go
+++ b/kernel/model/repository.go
@@ -83,6 +83,10 @@ func ImportRepoKey(base64Key string) (err error) {
 		util.LogErrorf("import data repo key failed: %s", err)
 		return errors.New(Conf.Language(157))
 	}
+	if 32 != len(key) {
+		return errors.New(Conf.Language(157))
+	}
+
 	Conf.Repo.Key = key
 	Conf.Save()
 
@@ -429,6 +433,7 @@ func syncRepo(boot, exit, byHand bool) {
 		msg := Conf.Language(26)
 		util.PushStatusBar(msg)
 		util.PushErrMsg(msg, 0)
+		planSyncAfter(30 * time.Second)
 		return
 	}