开源项目中新增tag，搜索查找待新增tag的obj

app/controllers/users_controller.rb

@@ -658,6 +658,8 @@ class UsersController < ApplicationController
       @obj = Attachment.find_by_id(@obj_id)
     when '7' then
       @obj = Contest.find_by_id(@obj_id)
+    when '8'
+      @obj = OpenSourceProject.find_by_id(@obj_id)
     else
     @obj = nil
     end