From 36ea672d37389678826d225e6e73f0d8ecd28b30 Mon Sep 17 00:00:00 2001
From: GoEdgeLab <goedgecloud@gmail.com>
Date: Mon, 22 Nov 2021 10:39:29 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E6=B5=81=E9=87=8F=E6=8E=A7?=
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---
 internal/db/models/server_dao.go | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/internal/db/models/server_dao.go b/internal/db/models/server_dao.go
index edc3200c..add479c4 100644
--- a/internal/db/models/server_dao.go
+++ b/internal/db/models/server_dao.go
@@ -1854,9 +1854,11 @@ func (this *ServerDAO) FindServerTrafficLimitConfig(tx *dbs.Tx, serverId int64,
 
 	var trafficLimit = serverOne.(*Server).TrafficLimit
 
-	err = json.Unmarshal([]byte(trafficLimit), limit)
-	if err != nil {
-		return nil, err
+	if len(trafficLimit) > 0 {
+		err = json.Unmarshal([]byte(trafficLimit), limit)
+		if err != nil {
+			return nil, err
+		}
 	}
 
 	if cacheMap != nil {