diff --git a/utils/mqtt.js b/utils/mqtt.js
index 9ee80062..2a2d15d3 100644
--- a/utils/mqtt.js
+++ b/utils/mqtt.js
@@ -1,5 +1,13 @@
 import mqtt from 'mqtt/dist/mqtt'
 import Vue from 'vue'
+// 引入Buffer，适配小程序环境
+import { Buffer } from 'buffer';
+// 挂载到全局，确保所有文件可访问
+if (typeof window !== 'undefined') {
+  window.Buffer = Buffer;
+} else if (typeof global !== 'undefined') {
+  global.Buffer = Buffer;
+}
 
 let mqttTool = {
     client: null