创建的问题无法删除

[PChou]

复现步骤
1.创建一个问题
2.问题创建人在问题页面，点击更多->删除
期望结果：问题删除
实际结果：ajax error

POST /api/question?_=0e33ca8dedd02e677a77af3591665017 HTTP/1.1
Host: beta.segmentfault.com
Connection: keep-alive
Content-Length: 43
Cache-Control: no-cache
Pragma: no-cache
Origin: http://beta.segmentfault.com
X-Requested-With: XMLHttpRequest
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
Accept: */*
User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.125 Safari/537.36
Referer: http://beta.segmentfault.com/q/1010000000640973
Accept-Encoding: gzip,deflate,sdch
Accept-Language: zh,en-US;q=0.8,en;q=0.6,zh-CN;q=0.4,de;q=0.2,ja;q=0.2,zh-TW;q=0.2
Cookie: __utma=224849432.1675849558.1388304226.1396257644.1396314514.98; __utmz=224849432.1395978970.89.26.utmcsr=blog.segmentfault.com|utmccn=(referral)|utmcmd=referral|utmcct=/p_chou; PHPSESSID=3gt7bv3gn013l2u9raqj6b0ep3; _ga=GA1.2.1675849558.1388304226; Hm_lvt_e23800c454aa573c0ccb16b52665ac26=1408082059,1408323977,1408341983,1408430341; Hm_lpvt_e23800c454aa573c0ccb16b52665ac26=1408432381; sfsess=eu7aiv.dc66c9987ce94159aa49337cbf23f5aa.a

id=1010000000640973&do=delete&type=question

HTTP/1.1 500 Internal Server Error
Server: ASERVER/1.2.9-3
Date: Tue, 19 Aug 2014 07:24:14 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: keep-alive
X-Powered-By: PHP/5.5.9-1ubuntu4.3
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
X-Powered-By-Anquanbao: MISS from chn-wh-tc-sb5

[Integ]

已修复。今晚上线。
谢谢你的宝贵时间！