update

css/Desktop/Desktop.css

@@ -727,6 +727,7 @@ body div ::-webkit-scrollbar-resizer:vertical {
     right: 20px;
     bottom: 20px;
     background-image: url("/img/aichat.png");
+    z-index: 9999;
 }
 
 .U_MD_D_KO:hover {