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dsk-system/src/main/resources/mapper/business/BusinessBacklogMapper.xml

@@ -33,7 +33,7 @@
         <include refid="selectBusinessBacklogVo"/>
         where business_id = #{businessId}
         <if test="state != null "> and state = #{state} </if>
-        <if test="startTime != null "> and due_time &gt;= #{startTime} </if>
+        <if test="startTime != null "> and(due_time &gt;= #{startTime} or due_time is null)  </if>
         <if test="endTime != null "> and due_time &lt;= #{endTime} </if>
         ORDER BY create_time DESC
     </select>