diff --git a/src/utils/msb-im.js b/src/utils/msb-im.js
index 3593897..c00f9be 100644
--- a/src/utils/msb-im.js
+++ b/src/utils/msb-im.js
@@ -2,7 +2,7 @@
  * @Author: ch
  * @Date: 2022-05-18 14:54:47
  * @LastEditors: ch
- * @LastEditTime: 2022-06-14 16:00:12
+ * @LastEditTime: 2022-06-14 17:20:50
  * @Description: file content
  */
 import '@/utils/poto-req';
@@ -382,6 +382,7 @@ class MsbIm {
             msgCtx.payload = JSON.parse(msgCtx.payload);
         }
         // 点发送，立即把消息加入消息列表，标记为发送中状态
+        curSession.lastMessage = msgCtx;
         curSession.messageList.push(msgCtx);
         this.setSessionData(this.sessionData);
 
@@ -400,6 +401,7 @@ class MsbIm {
             }
         }
         let newData = [...this.sessionData];
+        curSession.lastMessage = msgCtx;
         newData[index] = curSession;
         this.setSessionData(newData);
         if (error) {