fix wechat issue (#1353) (#1356)
fix wechat issue (#1353) (#1356)


prometheus/alertmanager,GoogleCloudPlatform/alertmanager,prometheus/alertmanager,Kellel/alertmanager,GoogleCloudPlatform/alertmanager,GoogleCloudPlatform/alertmanager,Kellel/alertmanager,GoogleCloudPlatform/alertmanager,prometheus/alertmanager,prometheus/alertmanager,Kellel/alertmanager