diff --git a/packages/webpack-uni-pages-loader/lib/platforms/app-plus/index.js b/packages/webpack-uni-pages-loader/lib/platforms/app-plus/index.js
index 53e2d7ccbc7f167031f17030a12d9d9b25de2f5e..576963c97e4a51d100c847e4f6c92fe9aef17ccd 100644
--- a/packages/webpack-uni-pages-loader/lib/platforms/app-plus/index.js
+++ b/packages/webpack-uni-pages-loader/lib/platforms/app-plus/index.js
@@ -18,7 +18,13 @@ const {
 } = require('../../util')
 
 const definePages = require('./define-pages')
-const appConfigService = require('./app-config-service')
+const appConfigService = require('./app-config-service')
+
+const wxPageOrientationMapping = {
+  auto: ["portrait-primary", "portrait-secondary", "landscape-primary", "landscape-secondary"],
+  portrait: ["portrait-primary", "portrait-secondary"],
+  landscape: ["landscape-primary", "landscape-secondary"]
+}
 
 function parseConfig (appJson) {
   return {
@@ -128,9 +134,14 @@ module.exports = function (pagesJson, userManifestJson) {
   }
 
   // 屏幕启动方向
-  if (manifestJson.plus.screenOrientation) {
+  if (manifestJson.plus.screenOrientation) {// app平台优先使用 manifest 配置
     manifestJson.screenOrientation = manifestJson.plus.screenOrientation
     delete manifestJson.plus.screenOrientation
+  } else if (appJson.window && appJson.window.pageOrientation) {// 兼容微信小程序
+    const pageOrientationValue = wxPageOrientationMapping[appJson.window.pageOrientation]
+    if (pageOrientationValue) {
+      manifestJson.screenOrientation = pageOrientationValue
+    }
   }
 
   // 地图坐标系