!670 Modified maillist and contact info of SIG-Softbus.

* update sig/sig-softbus/sig_softbus.md. Add Sig-softbus maillist.
* update sig/sig-softbus/sig_softbus_cn.md.  Add SIG-softbus maillist.

sig/sig-softbus/sig_softbus.md

@@ -66,10 +66,10 @@ Continuously contributes to the softbus of the OpenHarmony community, implements
  - Meeting time: Bi-weekly meeting, Monday 19:15 pm, UTC+8 
  - Meeting Proposal: [OpenHarmony SIG-SoftBus Meeting Proposal](https://shimo.im/sheets/iDp1dGmnk3sVjJoE/MODOC)
  - Meeting link: Welink
- - Meeting notification: [Subscribe to](https://lists.openatom.io/postorius/lists/dev.openharmony.io) mailing list dev@openharmony.io for the meeting link
+ - Meeting notification: [Subscribe to](https://lists.openatom.io/postorius/lists/sig_dsoftbus.openharmony.io) mailing list sig_dsoftbus@openharmony.io for the meeting link
 
 ### Contact
 | Address                                 | Introduction | Usage Description                                                  |
 | ---------------------------------------|---------- | ------------------------------------------------------------ |
 | dev@openharmony.io  <img width=120/>| Mailing list <img width=100/> | OpenHarmony community development discussion mailing list, any community development related topics can be discussed in the mailing list. Any developer can [subscribe](https://lists.openatom.io/postorius/lists/dev.openharmony.io)。<img width=200/>|
-
+| sig_dsoftbus@openharmony.io  <img width=120/>| Sig-Softbus Mailing list <img width=100/> | OpenHarmony community SIG-Softbus development discussion mailing list, any Softbus related topics can be discussed in the mailing list. Any developer can [subscribe](https://lists.openatom.io/postorius/lists/sig_dsoftbus.openharmony.io/)。<img width=200/>|
\ No newline at end of file

sig/sig-softbus/sig_softbus_cn.md

@@ -65,10 +65,10 @@
  - 会议链接：Welink
  - 议题申报: [OpenHarmony SIG-SoftBus Meeting Proposal](https://shimo.im/sheets/iDp1dGmnk3sVjJoE/MODOC)
  - 会议主题: 通过邮件通知
- - 会议通知: 请订阅邮件列表 dev@openharmony.io 获取会议链接
+ - 会议通知: 请订阅邮件列表 sig_dsoftbus@openharmony.io 获取会议链接
 
 ### 联系方式(可选)
 | 地址                                 | 简介        | 用途说明                                                         |
 | ---------------------------------------|---------- | ------------------------------------------------------------ |
 | dev@openharmony.io  <img width=120/>| 开发邮件列表 <img width=100/> | OpenHarmony社区开发讨论邮件列表，任何社区开发相关话题都可以在邮件列表讨论。任何开发者可[订阅](https://lists.openatom.io/postorius/lists/dev.openharmony.io)。<img width=200/>|
-
+| sig_dsoftbus@openharmony.io  <img width=120/>| Sig-Softbus邮件列表 <img width=100/> | OpenHarmony社区SIG-Softbus开发讨论邮件列表，任何软总线开发相关话题都可以在邮件列表讨论。任何开发者可[订阅](https://lists.openatom.io/postorius/lists/sig_dsoftbus.openharmony.io/)。<img width=200/>|