diff --git a/js/gameEngine.js b/js/gameEngine.js
index 787f41a6..abaca8ef 100644
--- a/js/gameEngine.js
+++ b/js/gameEngine.js
@@ -287,7 +287,7 @@ function add_cb(id, name, main, indata = '') {
         <table border="0" id="usbtn${cb_id}" onMouseDown="open_cb(${cb_id});" cellspacing="0" cellpadding="0">
         ${unleft}<td class="zbtn1c" id="cdb${cb_id}">
         <div style="font-size:11px;${cd_wdw};text-align:center;" id="blueText${cb_id}" class="${cd_stl[id]}">${name}</div>
-        </td>${unright}</tr></table></div>`;
+        </td>${unright}</tr></table></div>${$("#chat_menu").html()}`;
 
     if (!$(`#canal${id}`).html()) {
         ch.innerHTML = `<div id="canal${id}" style="display:none;">${indata}</div>`;
@@ -650,8 +650,12 @@ function blueTextSee(id) {
 // 4.6
 
 function open_clear_work(symbId, count, className) {
-    top.document.getElementById(`${symbId}db${count}`).className = className;
-    top.document.getElementById(`canal${cb_date[count]}`).style.display = 'none';
+    if (top.document.getElementById(`${symbId}db${count}`) != null) {
+        top.document.getElementById(`${symbId}db${count}`).className = className;
+    }
+    if (top.document.getElementById(`canal${cb_date[count]}`) != null) {
+        top.document.getElementById(`canal${cb_date[count]}`).style.display = 'none';
+    }
 }
 
 function open_clear_cb() {
@@ -712,7 +716,9 @@ function open_cb(id, ed) {
                     top.document.getElementById(`ldb${(id - 1)}`).className = 'zbtn2r2';
                 }
             }
-            top.document.getElementById(`canal${cb_date[id]}`).style.display = '';
+            if (top.document.getElementById(`canal${cb_date[id]}`) != null) {
+                top.document.getElementById(`canal${cb_date[id]}`).style.display = '';
+            }
             cb_select = id;
         }
         falseBlue(cb_select);