fix bugs

doc/check_activity_schedule_table.sql

@@ -0,0 +1,8 @@
+-- 查看活动日程表结构
+DESC martial_activity_schedule;
+
+-- 或者查看详细的建表语句
+SHOW CREATE TABLE martial_activity_schedule;
+
+-- 查看表中现有的列名
+SHOW COLUMNS FROM martial_activity_schedule;