fix

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

@@ -127,10 +127,10 @@
         left join order_manage om on oc.order_id = om.id
         left join customer cus on om.order_user = cus.id
         where oc.technician_id = #{technicianId}
-        <if test="endTime != null and endTime != '' ">
+        <if test="endTime != null  ">
             and oc.create_time &lt;= #{endTime}
         </if>
-        <if test="startTime != null and startTime != '' ">
+        <if test="startTime != null  ">
             and oc.create_time &gt;= #{startTime}
         </if>
         order by oc.create_time desc