diff --git a/Flask/templates/dev.html b/Flask/templates/dev.html
index 62916f5..366e20d 100644
--- a/Flask/templates/dev.html
+++ b/Flask/templates/dev.html
@@ -17,6 +17,7 @@
         var myIframe = document.getElementById('iframe');
 
         myIframe.addEventListener("load", async () => {
+            var myIframe = document.getElementById('iframe');
             let doc = myIframe.contentDocument;
             console.log(1);
             doc.body.innerHTML = doc.body.innerHTML + '<style>html{color:white;}</style>';
diff --git a/version b/version
index 6414ced..2dadf7e 100644
--- a/version
+++ b/version
@@ -1 +1 @@
-v6.6.15
+v6.6.16