diff --git a/app/controllers/repositories_controller.rb b/app/controllers/repositories_controller.rb
index ea473d14f..fa45a1dea 100644
--- a/app/controllers/repositories_controller.rb
+++ b/app/controllers/repositories_controller.rb
@@ -83,7 +83,7 @@ class RepositoriesController < ApplicationController
   end
 
   def sub_entries
-    file_path_uri = URI.parse(URI.encode(params[:filepath].to_s)).gsub!("&", "%26")
+    file_path_uri = URI.parse(URI.encode(params[:filepath].to_s))
     tip_exception('不可访问') if params[:filepath].to_s.include?("chinese_dictionary.txt")
     if @project.educoder?
       if params[:type] === 'file'