diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 1039a648a..6d5688078 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -28,9 +28,9 @@ module ApplicationHelper
   end
 
   # MD5加密
-  def base64_encode(content)
+  def url_base64_encode(content)
     return nil if content.blank?
-    Base64.encode64(content)
+    Base64.urlsafe_encode64(content)
   end
 
   def graduation_navigation graduation
diff --git a/app/views/users/videos/_video.json.jbuilder b/app/views/users/videos/_video.json.jbuilder
index ac030ce12..707c0a5cf 100644
--- a/app/views/users/videos/_video.json.jbuilder
+++ b/app/views/users/videos/_video.json.jbuilder
@@ -1,6 +1,6 @@
 json.extract! video, :id, :title, :cover_url, :file_url, :play_url, :vv, :user_id, :transcoded
-json.play_url base64_encode(video.play_url)
-json.file_url base64_encode(video.file_url)
+json.play_url url_base64_encode(video.play_url)
+json.file_url url_base64_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