增加错误判断

2024-08-22 22:09:23 +08:00
parent 5aeab97385
commit 400aeae5b8
1 changed files with 3 additions and 0 deletions
@@ -75,6 +75,9 @@ func MqttClientSubscribe(session *Session, topic string, qos byte) {
 }

 func MqttClientUnsubscribe(session *Session, topic string) {
+	if session == nil {
+		return
+	}
 	client := *session.Client
 	client.Unsubscribe(topic)
 }