修复：区分分支不存在与文件列表为空两种情况的文件列表

app/controllers/repositories_controller.rb

@@ -64,10 +64,9 @@ class RepositoriesController < ApplicationController
       @entries = Educoder::Repository::Entries::ListService.call(@project&.project_educoder.repo_name)
     else
       @entries = Gitea::Repository::Entries::ListService.new(@owner, @project.identifier, ref: @ref).call
+      return render_not_found if @entries.is_a?(Array) && @entries.blank?
       @entries = @entries.present? ? @entries.sort_by{ |hash| hash['type'] } : []
       @path = GiteaService.gitea_config[:domain]+"/#{@project.owner.login}/#{@project.identifier}/raw/branch/#{@ref}/"
-      @repo_detail = $gitea_client.get_repos_by_owner_repo(@owner.login, @project.identifier)
-      return render_not_found if @entries.blank? && !@repo_detail["empty"]
     end
   end