In order to finsh coupen for lease the persion car .
I detect some blog data flow :
### 1:review this uri for get cookies init
```
http://m.ldygo.com/app/newUser/phoneVoucher.html?pageFor=extension&source=market-287&medCode=med-5500
```
and response header set cookie:
```
Set-Cookie:
TS01da1ffb=010bac449c7fb8ef1688f9f8f193309d39139ad7832c54b7bd0b297acbc15e117f403179fb0569384ed625995831ed547f2300ddc4; Path=/; Domain=.m.ldygo.com
```
### 2: the logic page review this uri for get img verify session code
```
http://m.ldygo.com/los/zuche-intf-login.graphicTokenImg
_channel_id: "09"
_client_version_no: "2.4.1"
```
then response body (json ) for client
```
{
"model":{
"_content_":"/9j/4AAQSkZJRgABAgAAAQABAAD/2wBDAAgGBgcGBQgHBwcJCQgKDBQNDAsLDBkSEw8UHRofHh0aHBwgJC4nICIsIxwcKDcpLDAxNDQ0Hyc5PTgyPC4zNDL/2wBDAQkJCQwLDBgND"
},
"responseCode":"000000",
"responseMsg":"成功"
}
```
