diff --git a/server/public/js/chat.js b/server/public/js/chat.js
index e6269c0..f1e8048 100644
--- a/server/public/js/chat.js
+++ b/server/public/js/chat.js
@@ -88,15 +88,15 @@ function replaceMessage(msgId, newMsg) {
 
 function scrollToBottom() { messagesContainer.scrollTop = messagesContainer.scrollHeight; }
 
-// 图片/气泡单击
+// 图片单击 / 气泡双击
 function bindMessageEvents() {
-  document.querySelectorAll('.msg-img').forEach(img => {
+  document.querySelectorAll('.msg-img').forEach(function(img) {
     img.removeEventListener('click', onImageClick);
     img.addEventListener('click', onImageClick);
   });
-  document.querySelectorAll('.msg-bubble').forEach(bubble => {
-    bubble.removeEventListener('click', onBubbleClick);
-    bubble.addEventListener('click', onBubbleClick);
+  document.querySelectorAll('.msg-bubble').forEach(function(bubble) {
+    bubble.removeEventListener('dblclick', onBubbleClick);
+    bubble.addEventListener('dblclick', onBubbleClick);
   });
 }