Mysql8.0 的sql修改成 Mysql7.X的sql

将utf8mb4_0900_ai_ci替换为utf8mb4_general_ci

案例：
Mysql8.0

ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci COMMENT='分类';

Mysql7.X

 ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci COMMENT='测试';