diff --git a/utils/mqtt.js b/utils/mqtt.js
index f272a20..9f0d541 100644
--- a/utils/mqtt.js
+++ b/utils/mqtt.js
@@ -151,7 +151,7 @@ export function disconnectMQTT(onComplete) {
 
 /**
  * 获取MQTT客户端实例
- * @returns {Client} MQTT客户端
+ * @returns {{instance: null, connected: boolean, isConnecting: boolean, isManualDisconnect: boolean}} MQTT客户端
  */
 export function getMQTTClient() {
     return client;