update 学生作业列表接口

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

@@ -475,8 +475,8 @@
             <if test="startTime != null">
                 AND sch.create_time_ >=#{startTime}
             </if>
-            <if test="startTime != null">
-                <![CDATA[   AND sch.create_time_<=#{startTime}
+            <if test="endTime != null">
+                <![CDATA[   AND sch.create_time_<=#{endTime}
             ]]></if>
         </where>
     </sql>