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 89e8bc7ddfe594c575f2ee194102cb920e12bb09..fa828a72ba38477f7ec946d62b216512bf5b2791 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
@@ -452,10 +452,10 @@ module.exports = function (pagesJson, userManifestJson, isAppView) {
   }
 
   // 检查 webview 版本 || 下载 X5 后启动
-  let plusWebview = manifestJson['plus'].webView
+  const plusWebview = manifestJson.plus.webView
   if (plusWebview) {
     manifestJson.plus['uni-app'].webView = plusWebview
-    delete manifestJson['plus'].webView
+    delete manifestJson.plus.webView
   }
 
   // 记录编译器版本号
diff --git a/src/platforms/app-plus/view/components/video/index.vue b/src/platforms/app-plus/view/components/video/index.vue
index a22594c6186c27b2b9f36e832d306fe2a94abe17..b2a8d3ef5edef936bd9d05c5a70eaaf286126331 100644
--- a/src/platforms/app-plus/view/components/video/index.vue
+++ b/src/platforms/app-plus/view/components/video/index.vue
@@ -56,6 +56,7 @@ const attrs = [
   'pageGesture',
   'enableProgressGesture',
   'showPlayBtn',
+  'showMuteBtn',
   'enablePlayGesture',
   'vslideGesture',
   'vslideGestureInFullscreen',
@@ -158,6 +159,10 @@ export default {
       type: [Boolean, String],
       default: true
     },
+    showMuteBtn: {
+      type: [Boolean, String],
+      default: true
+    },
     enablePlayGesture: {
       type: [Boolean, String],
       default: true