diff --git a/1781688012_create_video.up.sql b/1781688012_create_video.up.sql
index e45c912..1226e6b 100644
--- a/1781688012_create_video.up.sql
+++ b/1781688012_create_video.up.sql
@@ -9,6 +9,9 @@ CREATE TABLE `course_video` (
     `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',
+    -- ========== 新增作业相关 ==========
+    `work` JSON COMMENT '作业标题列表（JSON数组）',
+    `work_deadline` DATETIME COMMENT '作业提交截止时间（为空则无限制）',
     `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,
diff --git a/1782443855_create_course_work.up.sql b/1782443855_create_course_work.up.sql
new file mode 100644
index 0000000..5915269
--- /dev/null
+++ b/1782443855_create_course_work.up.sql
@@ -0,0 +1,10 @@
+CREATE TABLE `course_work` (
+    `id` BIGINT PRIMARY KEY AUTO_INCREMENT COMMENT '提交记录ID',
+    `video_id` INT NOT NULL COMMENT '视频ID',
+    `user_id` INT NOT NULL COMMENT '用户ID',
+    `content` TEXT NOT NULL COMMENT '内容',
+    `image` JSON COMMENT "图片 数组形式",
+    `created_at` TIMESTAMP NUll DEFAULT NULL COMMENT '创建时间',
+    `updated_at` TIMESTAMP NUll DEFAULT NULL COMMENT '更新时间',
+    UNIQUE KEY `uk_video_user` (`video_id`, `user_id`)
+) ENGINE = InnoDB DEFAULT CHARSET = utf8mb4 COMMENT = '作业提交表';
\ No newline at end of file