diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 88ed373d9..4fac8cc72 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -27,6 +27,11 @@ module ApplicationHelper
     sanitize content, tags: tags, attributes: attributes
   end
 
+  # MD5加密
+  def md5_encode(content)
+    Digest::MD5.hexdigest(content)
+  end
+
   def graduation_navigation graduation
     graduation.class.to_s == "GraduationTopic" ? "毕设选题" : "毕设任务"
   end
diff --git a/app/views/users/videos/_video.json.jbuilder b/app/views/users/videos/_video.json.jbuilder
index 5b0bc7a6e..eb5fafec5 100644
--- a/app/views/users/videos/_video.json.jbuilder
+++ b/app/views/users/videos/_video.json.jbuilder
@@ -1,4 +1,6 @@
 json.extract! video, :id, :title, :cover_url, :file_url, :play_url, :vv, :user_id, :transcoded
+json.play_url md5_encode(video.play_url)
+json.file_url md5_encode(video.file_url)
 json.play_duration video.video_play_duration
 json.published_at video.display_published_at
 json.created_at video.display_created_at