diff --git a/README.md b/README.md
index 36764e52..34956d9a 100644
--- a/README.md
+++ b/README.md
@@ -25,10 +25,10 @@ bash <(curl -Ls https://raw.githubusercontent.com/mhsanaei/3x-ui/master/install.
 
 ## Install Custom Version
 
-To install your desired version, add the version to the end of the installation command. e.g., ver `v2.1.3`:
+To install your desired version, add the version to the end of the installation command. e.g., ver `v2.2.0`:
 
 ```
-bash <(curl -Ls https://raw.githubusercontent.com/mhsanaei/3x-ui/master/install.sh) v2.1.3
+bash <(curl -Ls https://raw.githubusercontent.com/mhsanaei/3x-ui/master/install.sh) v2.2.0
 ```
 
 ## SSL Certificate
diff --git a/config/version b/config/version
index abae0d9a..e3a4f193 100644
--- a/config/version
+++ b/config/version
@@ -1 +1 @@
-2.1.3
\ No newline at end of file
+2.2.0
\ No newline at end of file
diff --git a/web/assets/codemirror/codemirror.js b/web/assets/codemirror/codemirror.js
index ef1810fa..034ea2f8 100644
--- a/web/assets/codemirror/codemirror.js
+++ b/web/assets/codemirror/codemirror.js
@@ -538,7 +538,7 @@
 
   var on = function(emitter, type, f) {
     if (emitter.addEventListener) {
-      emitter.addEventListener(type, f, false);
+      emitter.addEventListener(type, f, { passive: true });
     } else if (emitter.attachEvent) {
       emitter.attachEvent("on" + type, f);
     } else {