diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 5040acec0..7e9fd652b 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -130,15 +130,15 @@ module ApplicationHelper
       if source.class.to_s == 'User'
         File.join(relative_path, ["#{source.class}", "#{source.id}"])
       else
-        File.join("avatars", ["#{source.class}", "#{source.id}"])
+        File.join("images/avatars", ["#{source.class}", "#{source.id}"])
       end
     elsif source.class.to_s == 'User'
       str = source.user_extension.try(:gender).to_i == 0 ? "b" : "g"
       File.join(relative_path, "#{source.class}", str)
     elsif source.class.to_s == 'Subject'
-      File.join("educoder", "index", "subject", "subject#{rand(17)}.jpg")
+      File.join("images","educoder", "index", "subject", "subject#{rand(17)}.jpg")
     elsif source.class.to_s == 'Shixun'
-      File.join("educoder","index", "shixun", "shixun#{rand(23)}.jpg")
+      File.join("images","educoder", "index", "shixun", "shixun#{rand(23)}.jpg")
     end
   end