1、添加教务老师字段

2、布置作业

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

@@ -209,6 +209,9 @@
 			<if test="classGroupId!=null">
 				AND ch.class_group_id_=#{classGroupId}
 			</if>
+			<if test="createTime!=null">
+				AND DATE_FORMAT(ch.create_time_,'%Y%m')=DATE_FORMAT(#{createTime},'%Y%m')
+			</if>
 	</select>
 	<select id="findByTeacherAndCourseHomewok" resultMap="CourseHomework">
 		SELECT