@Override
    public String registerURI(final String selectorName, final List<URIRegisterDTO> uriList, final String namespaceId) {
        String result;
        String key = key(selectorName);
        try {
            this.removeFallBack(key);
            result = this.doRegisterURI(selectorName, uriList, namespaceId);
            LOG.info("Register success: {},{},{}", namespaceId, selectorName, uriList);
        } catch (Exception ex) {
            LOG.error("Register exception: cause: {}", ex.getMessage());
            result = "";
            this.addFallback(key, new FallbackHolder(selectorName, uriList, namespaceId));
        }
        return result;
    }
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