fix: test csp
diff --git a/livedemo/DataSources/GitHub.md b/livedemo/DataSources/GitHub.md
index 80d58b6..55946cd 100644
--- a/livedemo/DataSources/GitHub.md
+++ b/livedemo/DataSources/GitHub.md
@@ -6,10 +6,6 @@
 
 # GitHub
 
-<head>
-  <meta http-equiv="Content-Security-Policy" content="frame-src 'self'" />
-</head>
-
 <div className="info">
   <h5>
     <img