@cheng6563 Failed to execute SQL script statement #2 of class path resource [sql/alter.sql]: DELIMITER$$ CREATE PROCEDURE ADD_COLUMN() BEGIN IF NOT EXISTS( SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name = 'test_case' AND table_schema = 'case_manager' AND column_name = 'biz_id') THEN alter table test_case add column biz_id varchar(500) default '-1' not null comment '关联的文件夹 id'; nested exception is java.sql.SQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'DELIMITER$$ CREATE PROCEDURE ADD_COLUMN() BEGIN IF NOT EXISTS( SELECT * FROM INF' at line 1