diff --git a/types/global.d.ts b/types/global.d.ts
index 0457ca6..be6b248 100644
--- a/types/global.d.ts
+++ b/types/global.d.ts
@@ -69,6 +69,9 @@ declare const API_BASE_URL: string;
 declare const APP_NAME: string;
 declare const DEBUG: string;
 
+// 微信小程序原生全局对象 wx
+declare const wx: any;
+
 // 基础类型定义
 declare global {
   /** 通用ID类型 */