diff --git a/1785481120_course_video_alive_url.up.sql b/1785481120_course_video_alive_url.up.sql
new file mode 100644
index 0000000..a36cac0
--- /dev/null
+++ b/1785481120_course_video_alive_url.up.sql
@@ -0,0 +1,2 @@
+ALTER TABLE `course_video`
+ADD COLUMN `alive_url` VARCHAR(500) COMMENT "直播链接" AFTER `video_url`
\ No newline at end of file