diff --git a/packages/uni-mp-core/src/api/index.ts b/packages/uni-mp-core/src/api/index.ts
index ba7fc210063..f47e82075d7 100644
--- a/packages/uni-mp-core/src/api/index.ts
+++ b/packages/uni-mp-core/src/api/index.ts
@@ -82,6 +82,7 @@ export function initUni(
   // 处理 api mp 打包后为不同js，emitter 无法共享问题
   if (__PLATFORM__ === 'mp-alipay') {
     platform.$emit = $emit
+    // @ts-expect-error
     if (!my.canIUse('getOpenerEventChannel'))
       platform.getEventChannel = getEventChannel
   }