update

src/main/resources/mapper/order/OrderCommentMapper.xml

@@ -128,12 +128,12 @@
         left join customer cus on om.order_user = cus.id
         where oc.technician_id = #{technicianId}
         <if test="endTime != null">
-            oc.create_time &lt; = #{endTime}
+            and oc.create_time &lt; = #{endTime}
         </if>
         <if test="startTime != null">
-            oc.create_time &gt; = #{startTime}
+            and oc.create_time &gt; = #{startTime}
         </if>
-        order by create_time desc
+        order by oc.create_time desc
     </select>
 
     <!--result map子查询-->