diff --git a/public/index.html b/public/index.html
index 3360e474f..890197760 100755
--- a/public/index.html
+++ b/public/index.html
@@ -20,7 +20,6 @@
   <meta name="octolytics-dimension-repository_nwo" content="GitLink"></meta>
   <meta name="octolytics-dimension-repository_network_root_nwo" content="GitLink"></meta>
   <meta name="theme-color" content="#000000">
-  <meta http-equiv="Content-Security-Policy" content="upgrade-insecure-requests" />
   <meta content="IE=edge" http-equiv="X-UA-Compatible">
   <meta name="twitter:image:src" content="https://www.gitlink.org.cn/images/logo.png">
   <meta name="twitter:site" content="@gitlink">