diff --git a/packages/shims-node.d.ts b/packages/shims-node.d.ts
index 086f7127a45f3dddc582838d6436e89df9be9435..b9d4a0d0ed0b106018e3e295b9fbd7de9f054dad 100644
--- a/packages/shims-node.d.ts
+++ b/packages/shims-node.d.ts
@@ -12,7 +12,6 @@ declare namespace NodeJS {
     UNI_CLI_CONTEXT: string
     UNI_SUBPACKAGE?: string
     UNI_MP_PLUGIN?: 'true'
-    UNI_MP_UNIAD?: Boolean
     UNI_COMPILER_VERSION: string
     UNI_COMPILER_VERSION_TYPE: 'a' | 'r'
     UNI_HBUILDERX_PLUGINS: string
diff --git a/packages/uni-mp-weixin/src/compiler/options.ts b/packages/uni-mp-weixin/src/compiler/options.ts
index 781a92fb3454eef46700dc836cf74877ece82944..ebbe2dbe866047a0244748d9e9923643cc6e726e 100644
--- a/packages/uni-mp-weixin/src/compiler/options.ts
+++ b/packages/uni-mp-weixin/src/compiler/options.ts
@@ -10,8 +10,6 @@ import {
 import { UniMiniProgramPluginOptions } from '@dcloudio/uni-mp-vite'
 import { transformAd } from './transforms/transformAd'
 
-import uniadAppJson from './uniad.app.json'
-
 import source from './project.config.json'
 
 export const customElements = [
@@ -100,12 +98,6 @@ export const options: UniMiniProgramPluginOptions = {
     darkmode: true,
     subpackages: true,
     plugins: true,
-    normalize(appJson) {
-      if (process.env.UNI_MP_UNIAD == true) {
-        uniadAppJson(appJson)
-      }
-      return appJson
-    },
   },
   project: {
     filename: projectConfigFilename,
diff --git a/packages/uni-mp-weixin/src/compiler/transforms/transformAd.ts b/packages/uni-mp-weixin/src/compiler/transforms/transformAd.ts
index bd6e1aaf30c581626eea98d3fb778775427b9eee..a53cd8a620f02f8de5baa6e2462e30d555bfae67 100644
--- a/packages/uni-mp-weixin/src/compiler/transforms/transformAd.ts
+++ b/packages/uni-mp-weixin/src/compiler/transforms/transformAd.ts
@@ -1,4 +1,4 @@
-import { isElementNode } from '@dcloudio/uni-cli-shared'
+import { isElementNode, findJsonFile } from '@dcloudio/uni-cli-shared'
 import {
   findProp,
   RootNode,
@@ -14,6 +14,10 @@ const AD_COMPONENTS: Array<string> = [
   'ad-interstitial',
 ]
 
+import uniadAppJson from '../uniad.app.json'
+
+let appJsonUniadFlag = false
+
 export function transformAd(
   node: RootNode | TemplateChildNode,
   context: TransformContext
@@ -21,12 +25,18 @@ export function transformAd(
   if (!isElementNode(node)) {
     return
   }
+
   const adpidProp = findProp(node, 'adpid')
   if (node.tag === 'ad' && adpidProp) {
     node.tag = 'uniad'
     node.tagType = ElementTypes.COMPONENT
   }
+
+  if (appJsonUniadFlag) {
+    return
+  }
   if (AD_COMPONENTS.indexOf(node.tag) > -1) {
-    process.env.UNI_MP_UNIAD = true
+    appJsonUniadFlag = true
+    uniadAppJson(findJsonFile('app'))
   }
 }