@Override
    public String heartbeat(final String selectorName, final List<URIRegisterDTO> uriList, final String namespaceId) {
        return doHeartbeat(selectorName, uriList, namespaceId);
    }
Register uri string.

@param selectorName the selector name
@param uriList      the uri list
@return the string
shenyu-admin/src/main/java/org/apache/shenyu/admin/service/register/FallbackShenyuClientRegisterService.java