## 掃碼保存簽名
```[tex]
返回結果說明
url:掃碼的地址，在瀏覽器打開即可
```
~~~[api]
post:https://open.wellsign.cn/sdk/sign/v1/links/scan
*token=xxx#驗證令牌,可在應用模塊，token獲取接口得到
*caller_id=001#自定義調用這唯一標識，可用來保存簽字筆跡模版等
<<<
success
{
"succeed": 0,
"msg": null,
"data": {
"url": "https://xxx"
}
}
<<<
error
{
"succeed": 3001,
"msg": {
"en": "Signature service application ID error",
"cn": "簽字服務應用id錯誤"
},
"data": null
}
~~~
