diff --git a/packages/uni-cli-shared/src/env/define.ts b/packages/uni-cli-shared/src/env/define.ts
index 8c8303338d183711da2bd50928d007f987760ed3..41fd2c1fcddb74b1de8789d06c43cb0732dcbcfe 100644
--- a/packages/uni-cli-shared/src/env/define.ts
+++ b/packages/uni-cli-shared/src/env/define.ts
@@ -19,5 +19,7 @@ export function initDefine(stringifyBoolean: boolean = false) {
       process.env.UNI_CLOUD_PROVIDER
     ),
     'process.env.UNICLOUD_DEBUG': JSON.stringify(process.env.UNICLOUD_DEBUG),
+    // 兼容旧版本
+    'process.env.VUE_APP_PLATFORM': JSON.stringify(process.env.UNI_PLATFORM),
   }
 }