update

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

@@ -19,7 +19,7 @@
         <result column="update_time_" property="updateTime"/>
         <result column="care_package_" property="carePackage"/>
         <result column="come_on_package_" property="comeOnPackage"/>
-        <result column="current_grade_num" property="currentGradeNum"/>
+        <result column="current_grade_num_" property="currentGradeNum"/>
         <result column="current_class_" property="currentClass"/>
     </resultMap>