diff --git a/src/main/java/com/dd/admin/business/chat/mapper/xml/ChatMapper.xml b/src/main/java/com/dd/admin/business/chat/mapper/xml/ChatMapper.xml
index 3759ae3..9b17f30 100644
--- a/src/main/java/com/dd/admin/business/chat/mapper/xml/ChatMapper.xml
+++ b/src/main/java/com/dd/admin/business/chat/mapper/xml/ChatMapper.xml
@@ -101,6 +101,7 @@
                 create_time DESC
             ) a1
             GROUP BY a1.authorId
-
+              ORDER BY
+                create_time DESC
     </select>
 </mapper>
diff --git a/src/main/java/com/dd/admin/common/exception/ControllerExceptionHandler.java b/src/main/java/com/dd/admin/common/exception/ControllerExceptionHandler.java
index 9b9f151..bb9d5c9 100644
--- a/src/main/java/com/dd/admin/common/exception/ControllerExceptionHandler.java
+++ b/src/main/java/com/dd/admin/common/exception/ControllerExceptionHandler.java
@@ -2,6 +2,7 @@ package com.dd.admin.common.exception;
 
 import com.dd.admin.common.model.result.ResultBean;
 import com.dd.admin.common.model.result.ResultError;
+import io.jsonwebtoken.ExpiredJwtException;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.core.annotation.Order;
@@ -70,6 +71,13 @@ public class ControllerExceptionHandler {
         return ResultError.error(ResultBean.DEFAULT_ERROR_CODE,ResultBean.DEFAULT_ERROR_MESSAGE);
     }
 
+    @ExceptionHandler(ExpiredJwtException.class)
+    @ResponseBody
+    public ResultError ExpiredJwtException(Exception e) throws IOException {
+        log.error("Exception{}",e);
+        return ResultError.error(ResultBean.DEFAULT_ERROR_CODE,ResultBean.DEFAULT_ERROR_MESSAGE);
+    }
+
     @ExceptionHandler(BadSqlGrammarException.class)
     @ResponseBody
     public ResultError BadSqlGrammarException(BadSqlGrammarException e) throws IOException {
diff --git a/src/main/java/com/dd/admin/common/security/interceptor/ApiInterceptor.java b/src/main/java/com/dd/admin/common/security/interceptor/ApiInterceptor.java
index f46dd9b..4baee7f 100644
--- a/src/main/java/com/dd/admin/common/security/interceptor/ApiInterceptor.java
+++ b/src/main/java/com/dd/admin/common/security/interceptor/ApiInterceptor.java
@@ -41,11 +41,17 @@ public class ApiInterceptor implements HandlerInterceptor {
         }
         String token = request.getHeader("token");
         if (StrUtil.isBlank(token)) {
-            throw new ApiException("请登录后访问");
+            throw new ApiException(700,"请登录后访问");
         }
         //解析token
         System.out.println(token);
-        String authorId = jwtTokenUtil.getUsernameFromToken(token);
+        String authorId = "";
+        try {
+             authorId = jwtTokenUtil.getUsernameFromToken(token);
+        }catch (Exception e) {
+            throw new ApiException(700,"token已失效");
+        }
+
         request.setAttribute("authorId",authorId);
 
 //        Author author = authorService.getById(authorId);