diff --git a/sgzb-modules/sgzb-base/src/main/resources/mapper/app/TmTaskMapper.xml b/sgzb-modules/sgzb-base/src/main/resources/mapper/app/TmTaskMapper.xml
index 5bd897d1..97a5297b 100644
--- a/sgzb-modules/sgzb-base/src/main/resources/mapper/app/TmTaskMapper.xml
+++ b/sgzb-modules/sgzb-base/src/main/resources/mapper/app/TmTaskMapper.xml
@@ -603,11 +603,11 @@
       GROUP BY tt.task_id
       order by
       case when #{record.orderStatus} = 0 then tt.update_time
-            when #{record.orderStatus} = 1 then tt.update_time
+            when #{record.orderStatus} = 1 or #{record.orderStatus} is null then tt.update_time
             when #{record.orderStatus} = 2 then tt.task_status
             when #{record.orderStatus} = 3 then tt.task_status
       end
-      <if test="record.orderStatus == 1 or record.orderStatus == 3">
+      <if test="record.orderStatus == 1 or record.orderStatus == 3 or record.orderStatus == null">
         desc
       </if>
   </select>