论坛上传资源没有保存成功

app/views/forums/show.html.erb

@@ -115,10 +115,7 @@
             $.ajax({
                 url:'/forums/'+'<%= @forum.id.to_s%>'+'/memos',
                 type:'post',
-                data:{
+                data:$("#new_memo").serialize(),
-                    'memo[content]':$("#memo_content").val(),
-                    'memo[subject]':$("#memo_subject").val()
-                },
                 success:function(data){
 
                 },