diff --git a/public/favicon.ico b/public/favicon.ico
index af9875b..0908b50 100644
Binary files a/public/favicon.ico and b/public/favicon.ico differ
diff --git a/public/index.html b/public/index.html
index 75a709c..f9723c0 100644
--- a/public/index.html
+++ b/public/index.html
@@ -4,7 +4,7 @@
     <meta charset="utf-8">
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport" content="width=device-width,initial-scale=1.0">
-    <link rel="icon" href="<%= BASE_URL %>favicon.ico">
+    <link rel="icon" href="<%= BASE_URL %>favicon.ico?v=2">
     <title>产发工程数字管理平台-大屏</title>
     <link rel="stylesheet" href="/cdn/element-ui/lib/theme-chalk/index.css">
     <link rel="stylesheet" href="css/largeScreenLayout.css">