sj-backend/script/sql/alter_main_ability_config.sql

-- 为 main_ability_config 表添加考试链接字段

ALTER TABLE `main_ability_config` 
ADD COLUMN `third_exam_link` varchar(500) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL COMMENT '考试链接' AFTER `third_exam_total_score`;