doc-sms接口更新

Signed-off-by: Nliuxiyao223 <liuxiyao223@huawei.com>

zh-cn/application-dev/reference/apis/js-apis-sms.md

@@ -251,7 +251,7 @@ let serviceCenter = '+861xxxxxxxxxx';
 let destinationPort = 1000;
 let options = {slotId, content, destinationHost, serviceCenter, destinationPort, sendCallback, deliveryCallback};
 let promise = sms.sendShortMessage(options);
-promise.then(data => {
+promise.then(() => {
     console.log(`sendShortMessage success`);
 }).catch(err => {
     console.error(`sendShortMessage failed, promise: err->${JSON.stringify(err)}`);