diff --git a/public/favicon-180px-precomposed.png b/public/favicon-180px-precomposed.png
new file mode 100644
index 0000000..c289745
Binary files /dev/null and b/public/favicon-180px-precomposed.png differ
diff --git a/public/index.html b/public/index.html
index d1dea09..488972b 100644
--- a/public/index.html
+++ b/public/index.html
@@ -7,7 +7,7 @@
     <link rel="manifest" href="%PUBLIC_URL%/manifest.json">
     <link rel="icon" href="%PUBLIC_URL%/favicon-precomposed.png">
     <link rel="shortcut icon" href="%PUBLIC_URL%/favicon-precomposed.png">
-    <link rel="apple-touch-icon" href="%PUBLIC_URL%/favicon-precomposed.png" />
+    <link rel="apple-touch-icon" sizes="180x180" href="%PUBLIC_URL%/favicon-180px-precomposed.png" />
     <meta name="apple-mobile-web-app-capable" content="yes">
     <title>P大树洞（非官方）</title>
 </head>