删除项目页面导航栏丢失：原因layout指定错误，解决方法：修正

app/controllers/projects_controller.rb

@@ -836,7 +836,7 @@ class ProjectsController < ApplicationController
         format.api  { render_api_ok }
       end
     else
-      render :layout => "base"
+      render :layout => "project_base"
     end
     # hide project in layout
     @project = nil