Merge pull request 'sub_entries接口返回 -2' (#48) from KingChan/forgeplus:chenjing into standalone_develop

app/controllers/repositories_controller.rb

@@ -110,7 +110,8 @@ class RepositoriesController < ApplicationController
         result = interactor.result
         @sub_entries = result.is_a?(Array) ? result.sort_by{ |hash| hash['type'] } : result
       else
-        render_error(interactor.error)
+        status = interactor.error == "你访问的文件不存在"? -2 : -1
+        render_error(interactor.error,status)
       end
     end
   end