link_to_remote的有关问题

link_to_remote的问题
<%= link_to_remote( category2.name ,:update => "main",:url => { :action => category2.action }, :complete => "tag_change(category2.name)" ) %>


function tag_change(treename){
  document.getElementById("treetag").innerHTML = treename
   
  }

为什么没效果哦 :complete 怎么用

[解决办法]
ruby，好东西但是不会用啊