diff --git a/pkg/channels/websocket/chat.html b/pkg/channels/websocket/chat.html
index 0becc0154..06e0c6104 100644
--- a/pkg/channels/websocket/chat.html
+++ b/pkg/channels/websocket/chat.html
@@ -525,6 +525,7 @@
             max-height: 200px;
             /* 移动端输入优化 */
             -webkit-appearance: none;
+            appearance: none;
             touch-action: manipulation;
         }