fix: imSdk

src/common/plugins/msbIm.js

@@ -2,7 +2,7 @@
  * @Author: ch
  * @Date: 2022-05-18 14:54:47
  * @LastEditors: ch
- * @LastEditTime: 2022-06-13 20:56:46
+ * @LastEditTime: 2022-06-13 21:36:22
  * @Description: file content
  */
 import { CreateUUID, FormatDate, ToAsyncAwait } from "@/common/utils";
@@ -280,13 +280,12 @@ class MsbIm {
             if (hisIndex >= 0) {
                 historyData[hisIndex].lastMessage = item.lastMessage;
                 historyData[hisIndex].unreadCount++;
-                newData.push(historyData);
+                newData.push(historyData[hisIndex]);
             } else {
                 item.messageList = [];
                 newData = [...newData, item];
             }
         });
-
         this.setSessionData(newData);
         return Promise.resolve(result);
     }