合并文件时 POST直接500了

Question

Connection:keep-alive
Content-Length:591
Content-Type:text/html
Date:Fri, 19 Feb 2016 08:59:17 GMT
Server:vivi/0.6
X-Request-Id:227860ad8927c076a2b4e79ed72bfc1a
X-Request-Path:api-php-083, ctn-zj-lna-113
X-Vivi-Streaming:on
Request Headers
view source
Accept:*/*
Accept-Encoding:gzip, deflate
Accept-Language:zh-CN,zh;q=0.8,en;q=0.6,zh-TW;q=0.4
Connection:keep-alive
Content-Length:154
Content-type:application/x-www-form-urlencoded
Host:m0.api.upyun.com
Origin:http://localhost:81
Referer:http://localhost:81/upyunchunk/test.html
User-Agent:Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.85 Safari/537.36
Form Data
view source
view URL encoded
policy:eyJzYXZlX3Rva2VuIjoiMzI5NWUyNThmMzk2ZTkwZTdkMjU5MGE3MDNhYTU4MmYiLCJleHBpcmF0aW9uIjoxNDU1ODc1ODc1fQ==
signature:9f96d1f9a7cd4ec8d8fefed3a3a9b9c5`Connection:keep-alive
Content-Length:591
Content-Type:text/html
Date:Fri, 19 Feb 2016 08:59:17 GMT
Server:vivi/0.6
X-Request-Id:227860ad8927c076a2b4e79ed72bfc1a
X-Request-Path:api-php-083, ctn-zj-lna-113
X-Vivi-Streaming:on
Request Headers
view source
Accept:*/*
Accept-Encoding:gzip, deflate
Accept-Language:zh-CN,zh;q=0.8,en;q=0.6,zh-TW;q=0.4
Connection:keep-alive
Content-Length:154
Content-type:application/x-www-form-urlencoded
Host:m0.api.upyun.com
Origin:http://localhost:81
Referer:http://localhost:81/upyunchunk/test.html
User-Agent:Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.85 Safari/537.36
Form Data
view source
view URL encoded
policy:eyJzYXZlX3Rva2VuIjoiMzI5NWUyNThmMzk2ZTkwZTdkMjU5MGE3MDNhYTU4MmYiLCJleHBpcmF0aW9uIjoxNDU1ODc1ODc1fQ==
signature:9f96d1f9a7cd4ec8d8fefed3a3a9b9c5`

能帮忙看看什么情况吗 直接500 连错误码都没有