base64问题

app/helpers/application_helper.rb

@@ -28,9 +28,9 @@ module ApplicationHelper
   end
 
   # MD5加密
-  def edu_md5_encode(content)
+  def edu_base64_encode(content)
     return nil if content.blank?
-    "https://www.educoder.net/#{Digest::MD5.hexdigest(content)}"
+    "https://www.educoder.net/#{Base64.encode64(content)}.mp4"
   end
 
   def graduation_navigation graduation

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 edu_md5_encode(video.play_url)
-json.file_url edu_md5_encode(video.file_url)
+json.play_url edu_base64_encode(video.play_url)
+json.file_url edu_base64_encode(video.file_url)
 json.real_play_url video.play_url
 json.real_file_url video.file_url
 json.play_duration video.video_play_duration