diff --git a/components/date-picker/index.en-US.md b/components/date-picker/index.en-US.md
index e0338dac2b..54221954ed 100644
--- a/components/date-picker/index.en-US.md
+++ b/components/date-picker/index.en-US.md
@@ -20,6 +20,8 @@ import moment from 'moment-timezone/moment-timezone';
 // It's recommended to set locale and timezone in entry file globaly.
 import 'moment/locale/zh-cn';
 moment.locale('zh-cn');
+
+// Set timezone if you need it.
 // The following data is copied from https://github.com/moment/moment-timezone/blob/develop/data/packed/latest.json
 moment.tz.add('Asia/Shanghai|CST CDT|-80 -90|01010101010101010|-1c1I0 LX0 16p0 1jz0 1Myp0 Rb0 1o10 11z0 1o10 11z0 1qN0 11z0 1o10 11z0 1o10 11z0|23e6');
 moment.tz.setDefault('Asia/Shanghai')
diff --git a/components/date-picker/index.zh-CN.md b/components/date-picker/index.zh-CN.md
index 74d281909f..100d4c6672 100644
--- a/components/date-picker/index.zh-CN.md
+++ b/components/date-picker/index.zh-CN.md
@@ -21,6 +21,8 @@ import moment from 'moment-timezone/moment-timezone';
 // 推荐在入口文件全局设置 locale 与时区
 import 'moment/locale/zh-cn';
 moment.locale('zh-cn');
+
+// 按需设置时区
 // 从 https://github.com/moment/moment-timezone/blob/develop/data/packed/latest.json 复制
 moment.tz.add('Asia/Shanghai|CST CDT|-80 -90|01010101010101010|-1c1I0 LX0 16p0 1jz0 1Myp0 Rb0 1o10 11z0 1o10 11z0 1qN0 11z0 1o10 11z0 1o10 11z0|23e6');
 moment.tz.setDefault('Asia/Shanghai')