怎么实现 采集自动获取摘要？？？

kelea

我用火车头采集文章 不会自动获取摘要，，，手工采集的话就可以获取。。。。。求高手解决。。。。急。。。


我有的代码是：

-----------------------------7dlocoyspider
Content-Disposition: form-data; name="channeltype"
1
-----------------------------7dlocoyspider
Content-Disposition: form-data; name="channelid"
1
-----------------------------7dlocoyspider
Content-Disposition: form-data; name="title"
[标签:标题]
-----------------------------7dlocoyspider
Content-Disposition: form-data; name="tag"
[标签:标签]
-----------------------------7dlocoyspider
Content-Disposition: form-data; name="source"
[www.93q.com.cn]
-----------------------------7dlocoyspider
Content-Disposition: form-data; name="writer"
[标签:作者]
-----------------------------7dlocoyspider
Content-Disposition: form-data; name="picname"
[标签:缩略图]
-----------------------------7dlocoyspider
Content-Disposition: form-data; name="typeid"
[分类ID]
-----------------------------7dlocoyspider
Content-Disposition: form-data; name="remote"
1
-----------------------------7dlocoyspider
Content-Disposition: form-data; name="dellink"
1
-----------------------------7dlocoyspider
Content-Disposition: form-data; name="autolitpic"
0
-----------------------------7dlocoyspider
Content-Disposition: form-data; name="autokey"
1
-----------------------------7dlocoyspider
Content-Disposition: form-data; name="sptype"
hand
-----------------------------7dlocoyspider
Content-Disposition: form-data; name="spsize"
5
-----------------------------7dlocoyspider
Content-Disposition: form-data; name="body"
[标签:内容]
-----------------------------7dlocoyspider
Content-Disposition: form-data; name="shorttitle"
[标签:简略标题]
-----------------------------7dlocoyspider
Content-Disposition: form-data; name="arcatt"
0
-----------------------------7dlocoyspider
Content-Disposition: form-data; name="typeid2"
0
-----------------------------7dlocoyspider
Content-Disposition: form-data; name="pubdate"
[时间转化:时间]
-----------------------------7dlocoyspider
Content-Disposition: form-data; name="money"
0
-----------------------------7dlocoyspider
Content-Disposition: form-data; name="sortup"
0
-----------------------------7dlocoyspider
Content-Disposition: form-data; name="arcrank"
0
-----------------------------7dlocoyspider
Content-Disposition: form-data; name="ishtml"
1
-----------------------------7dlocoyspider
Content-Disposition: form-data; name="description"
[field:description/]
-----------------------------7dlocoyspider
Content-Disposition: form-data; name="keywords"
[标签:关键字]
-----------------------------7dlocoyspider
Content-Disposition: form-data; name="imageField"
确定
-----------------------------7dlocoyspider


请问需要改哪里呢？要怎么改才会实现呢？

孤魂

description字段为空就自动获取了