diff --git a/app/models/course_video.rb b/app/models/course_video.rb
index eb2a17595..2cfa151ce 100644
--- a/app/models/course_video.rb
+++ b/app/models/course_video.rb
@@ -3,6 +3,6 @@ class CourseVideo < ApplicationRecord
   belongs_to :video, optional: true
   belongs_to :user, optional: true
 
-  validates :title, length: { maximum: 60, too_long: "不能超过60个字符" }
-  validates :link, format: { with: CustomRegexp::URL, message: "必须为网址超链接" }
+  validates :title, length: { maximum: 60, too_long: "不能超过60个字符" }, allow_blank: true
+  validates :link, format: { with: CustomRegexp::URL, message: "必须为网址超链接" }, allow_blank: true
 end