To call the relevant interface functions of JD vop through SDK, you need to set the merchant ID
```javascript
WXAPI.init("gooking")
WXAPI.setMerchantId(2)
```
Set the SDK’s exclusive domain name to `gooking`
Set the merchant ID of the SDK to `2`
["Online Walkthrough"](https://bi.cool/project/m5vDU78/embed?bi-active-file=main.js)