1、休学逻辑调整;

2、作业布置提示;
3、服务指标逻辑调整；

mec-biz/src/main/resources/config/mybatis/StudentMapper.xml

@@ -56,7 +56,7 @@
         <if test="operatingTempTag != null">
             operating_temp_tag_,
         </if>
-        teacher_id_,create_time_,update_time_)
+        teacher_id_,create_time_,update_time_,service_tag_update_time_)
         VALUES
         (#{userId},#{subjectIdList},
         <if test="serviceTag != null">
@@ -65,7 +65,7 @@
         <if test="operatingTag != null">
             #{operatingTag},
         </if>
-        #{teacherId},NOW(),NOW())
+        #{teacherId},NOW(),NOW(),NOW())
     </insert>
 
     <update id="update" parameterType="com.ym.mec.biz.dal.entity.Student">
@@ -86,12 +86,8 @@
             <if test="teacherId != null">
                 teacher_id_=#{teacherId},
             </if>
-            <if test="updateTime != null">
-                update_time_ = #{updateTime},
-            </if>
-            <if test="updateTime == null">
-                update_time_ = NOW()
-            </if>
+                update_time_ = NOW(),
+                service_tag_update_time_=IF(service_tag_ = #{serviceTag}, service_tag_update_time_, NOW())
         </set>
         WHERE user_id_ = #{userId}
     </update>