diff --git a/pages/im/group/chat.vue b/pages/im/group/chat.vue
index f59c289..e251f5d 100644
--- a/pages/im/group/chat.vue
+++ b/pages/im/group/chat.vue
@@ -18,7 +18,7 @@
             </view>
             <view class="cell-footer" ref="chatBottom"></view>
         </scroll-view>
-        <sent-message-bar :conversationType="conversationType" :targetId="targetId" @onSuccess="getNewMessage()" />
+        <sent-message-bar class="message-bar" :conversationType="conversationType" :targetId="targetId" @onSuccess="getNewMessage()" />
     </view>
 </template>
 
@@ -244,5 +244,12 @@
                 }
             }
         }
+    }
+    
+    .message-bar{
+        position: fixed;
+        bottom: 0;
+        left: 0;
+        right: 0;
     }
 </style>