From 9ff84e5f86a9148c36b370a0e26ccea37acd6350 Mon Sep 17 00:00:00 2001
From: DCloud_LXH <283700113@qq.com>
Date: Tue, 30 Nov 2021 15:29:00 +0800
Subject: [PATCH] fix(app): template viewport-fit=cover question/134249

---
 packages/uni-app-vite/lib/template/__uniappview.html | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/packages/uni-app-vite/lib/template/__uniappview.html b/packages/uni-app-vite/lib/template/__uniappview.html
index b514ad03a..80f79fb7c 100644
--- a/packages/uni-app-vite/lib/template/__uniappview.html
+++ b/packages/uni-app-vite/lib/template/__uniappview.html
@@ -2,10 +2,16 @@
 <html lang="en">
   <head>
     <meta charset="UTF-8" />
-    <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0" />
     <title>View</title>
     <link rel="stylesheet" href="app.css" />
     <script>/*__uniConfig*/</script>
+    <script>
+      var coverSupport = 'CSS' in window && typeof CSS.supports === 'function' && (CSS.supports('top: env(a)') ||
+        CSS.supports('top: constant(a)'))
+      document.write(
+        '<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0' +
+        (coverSupport ? ', viewport-fit=cover' : '') + '" />')
+    </script>
   </head>
   <body>
     <div id="app"></div>
-- 
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