diff --git a/kernel/model/cloud_service.go b/kernel/model/cloud_service.go
index 6e4c7e8b2..8b502e03e 100644
--- a/kernel/model/cloud_service.go
+++ b/kernel/model/cloud_service.go
@@ -360,11 +360,16 @@ Net:
 	start := time.Now()
 	user, err := getUser(token)
 	if err != nil {
-		if nil == Conf.GetUser() || errInvalidUser == err {
+		if nil == Conf.GetUser() || errors.Is(err, errInvalidUser) {
 			util.PushErrMsg(Conf.Language(19), 5000)
 			return
 		}
 
+		if errors.Is(err, errRequestUserFailed) {
+			util.PushErrMsg(Conf.Language(18), 5000)
+			return
+		}
+
 		var tokenExpireTime int64
 		tokenExpireTime, err = strconv.ParseInt(Conf.GetUser().UserTokenExpireTime+"000", 10, 64)
 		if err != nil {
@@ -532,7 +537,10 @@ func GetCloudShorthands(page int) (result map[string]interface{}, err error) {
 	return
 }
 
-var errInvalidUser = errors.New("invalid user")
+var (
+	errInvalidUser       = errors.New("invalid user")
+	errRequestUserFailed = errors.New("request user failed")
+)
 
 func getUser(token string) (*conf.User, error) {
 	result := map[string]interface{}{}
@@ -543,11 +551,11 @@ func getUser(token string) (*conf.User, error) {
 		Post(util.GetCloudServer() + "/apis/siyuan/user")
 	if err != nil {
 		logging.LogErrorf("get community user failed: %s", err)
-		return nil, errors.New(Conf.Language(18))
+		return nil, errRequestUserFailed
 	}
 	if http.StatusOK != resp.StatusCode {
 		logging.LogErrorf("get community user failed: %d", resp.StatusCode)
-		return nil, errors.New(Conf.Language(18))
+		return nil, errRequestUserFailed
 	}
 
 	code := result["code"].(float64)
@@ -556,7 +564,7 @@ func getUser(token string) (*conf.User, error) {
 			return nil, errInvalidUser
 		}
 		logging.LogErrorf("get community user failed: %s", result["msg"])
-		return nil, errors.New(Conf.Language(18))
+		return nil, errRequestUserFailed
 	}
 
 	dataStr := result["data"].(string)
@@ -564,7 +572,7 @@ func getUser(token string) (*conf.User, error) {
 	user := &conf.User{}
 	if err = gulu.JSON.UnmarshalJSON(data, &user); err != nil {
 		logging.LogErrorf("get community user failed: %s", err)
-		return nil, errors.New(Conf.Language(18))
+		return nil, errRequestUserFailed
 	}
 	return user, nil
 }