diff --git a/packages/uni-cli-shared/src/json/app/pages/code.ts b/packages/uni-cli-shared/src/json/app/pages/code.ts
index e17f3e69076c7a42b987a0f70ee8aadb12eb98ef..2f967ced8bb30ddd34f5eb615090dd8415ca6296 100644
--- a/packages/uni-cli-shared/src/json/app/pages/code.ts
+++ b/packages/uni-cli-shared/src/json/app/pages/code.ts
@@ -10,6 +10,9 @@ if (typeof Promise !== 'undefined' && !Promise.prototype.finally) {
     )
   }
 }
+if(uni&&uni.base64ToArrayBuffer){
+  ArrayBuffer = uni.base64ToArrayBuffer('').constructor
+}
 `
 export const restoreGlobalCode = `
 import * as vue from 'vue'