diff --git a/docs/api/system/phone.md b/docs/api/system/phone.md
index 19cb54f57077d713a7f5a31ff3b3ad714231f4e7..925934cc2181a20f6a15a947193cc9183877cc5a 100644
--- a/docs/api/system/phone.md
+++ b/docs/api/system/phone.md
@@ -16,4 +16,7 @@
 uni.makePhoneCall({
 	phoneNumber: '114' //仅为示例
 });
-```
\ No newline at end of file
+```
+
+
+注：如需发短信，App端参考：[http://www.html5plus.org/doc/zh_cn/messaging.html](http://www.html5plus.org/doc/zh_cn/messaging.html)