更新

src/main/resources/mapper/template/WelcomeBedMapper.xml

@@ -6,12 +6,7 @@
         SET is_check = 0,
             student_card = NULL,
             card_num = NULL,
-            classstr_id = NULL,
-            classstr = NULL,
-            `name` = NULL,
-            major = NULL,
-            major_id = NULL,
-            instructor = NULL
+            `name` = NULL
         WHERE
             id = #{bedId}
     </update>