fix optional array

index.html

@@ -4,7 +4,7 @@
     <meta charset="UTF-8" />
     <link rel="icon" type="image/x-icon" href="/favicon.ico" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta http-equiv="Content-Security-Policy" content="script-src 'self' 'unsafe-inline';" />
+    <!-- <meta http-equiv="Content-Security-Policy" content="script-src 'self' 'unsafe-inline';" /> -->
     <title>Behavior3 Editor</title>
   </head>
   <body>