Update mqtt.c

mqtt.c

@@ -296,7 +296,7 @@ int mqtt_create(struct mosquitto *mosq) //创建mqtt客服端
     if (rc != MOSQ_ERR_SUCCESS) {                             
         fprintf(stderr, "Failed to connect to broker: %s\n", mosquitto_strerror(rc));
         mosquitto_destroy(mosq);
-        return EXIT_FAILURE;
+        //return EXIT_FAILURE;
     }
     //mosquitto_subscribe_opt_set(mosq, TOPIC, strlen(TOPIC), 1, MOSQ_OPT_NO_LOCAL);