diff --git a/1781688012_create_video.up.sql b/1781688012_create_video.up.sql
index e1b27a1..d550a03 100644
--- a/1781688012_create_video.up.sql
+++ b/1781688012_create_video.up.sql
@@ -1,23 +1,17 @@
-
 CREATE TABLE `video` (
     `id` INT PRIMARY KEY AUTO_INCREMENT COMMENT '视频ID',
     `course_id` INT NOT NULL COMMENT '所属月度课程ID',
-    
     `title` VARCHAR(255) NOT NULL COMMENT '视频标题',
     `description` TEXT COMMENT '视频描述',
     `video_url` VARCHAR(500) NOT NULL COMMENT '视频播放地址（云存储URL）',
     `cover_image` VARCHAR(500) COMMENT '视频封面图',
     `duration` INT COMMENT '视频时长（秒）',
-    
     `video_order` INT NOT NULL COMMENT '视频在课程内的顺序（1~20）',
     `release_date` DATE COMMENT '发布日期（具体某一天）',
     `is_free` TINYINT DEFAULT 1 COMMENT '是否免费试看：1-付费 2-免费',
-    
     `created_at` TIMESTAMP NULL DEFAULT NULL COMMENT '创建时间',
     `updated_at` TIMESTAMP NULL DEFAULT NULL COMMENT '更新时间',
-    
-    FOREIGN KEY (`course_id`) REFERENCES `course`(`id`) ON DELETE CASCADE,
-
--- 同一课程内顺序唯一
-UNIQUE KEY `uk_course_order` (`course_id`, `video_order`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='视频表';
\ No newline at end of file
+    FOREIGN KEY (`course_id`) REFERENCES `course` (`id`) ON DELETE CASCADE,
+    -- 同一课程内顺序唯一
+    UNIQUE KEY `uk_course_order` (`course_id`, `video_order`)
+) ENGINE = InnoDB DEFAULT CHARSET = utf8mb4 COMMENT = '视频表';
\ No newline at end of file