SQL指令将表名替换就行12345CREATE SEQUENCE IF NOT EXISTS 表名_id_seq; ALTER TABLE 表名 ALTER COLUMN id SET DEFAULT nextval('表名_id_seq'); SELECT setval('表名_id_seq', COALESCE((SELECT MAX(id) FROM 表名), 0)::bigint);手动设置自增开始值1SELECT setval('表名_id_seq', 开始值);