## 扫码保存签名
```[tex]
返回结果说明
url:扫码的地址，在浏览器打开即可
```
~~~[api]
post:https://open.wellsign.cn/sdk/sign/v1/links/scan
*token=xxx#验证令牌,可在应用模块，token获取接口得到
*caller_id=001#自定义调用这唯一标识，可用来保存签字笔迹模版等
<<<
success
{
"succeed": 0,
"msg": null,
"data": {
"url": "https://xxx"
}
}
<<<
error
{
"succeed": 3001,
"msg": {
"en": "Signature service application ID error",
"cn": "签字服务应用id错误"
},
"data": null
}
~~~
