update readme.

@@ -7,7 +7,7 @@ SRS is industrial-strength live streaming cluster, for the best conceptual integ
 
 Download from github.io: [Centos6-x86_64][centos0], [more...][more0]<br/>
 Download from ossrs.net: [Centos6-x86_64][centos1], [more...][more1]<br/>
-Website for SRS/3.0, read SRS 3.0 [Chinese][srs3_CN] or [English][srs3_EN].
+Website for SRS/3.0, read SRS 3.0 [Chinese][srs_CN] or [English][srs_EN].
 
 [![Donation](https://www.paypalobjects.com/webstatic/en_US/btn/btn_donate_92x26.png)][donation1]
 [![Paypal](https://www.paypalobjects.com/webstatic/en_US/btn/btn_donate_pp_142x27.png)][donation2]
@@ -984,6 +984,8 @@ Winlin
 [v1_EN_Home]: https://github.com/simple-rtmp-server/srs/wiki/v1_EN_Home
 [v2_CN_Home]: https://github.com/simple-rtmp-server/srs/wiki/v2_CN_Home
 [v2_EN_Home]: https://github.com/simple-rtmp-server/srs/wiki/v2_EN_Home
+[v3_CN_Home]: https://github.com/simple-rtmp-server/srs/wiki/v3_CN_Home
+[v3_EN_Home]: https://github.com/simple-rtmp-server/srs/wiki/v3_EN_Home
 [donation0]: http://winlinvip.github.io/srs.release/donation/index.html
 [donation1]: http://www.ossrs.net/srs.release/donation/index.html
 [donation2]: http://www.ossrs.net/srs.release/donation/paypal.html
@@ -1307,9 +1309,6 @@ Winlin
 [release3]: https://github.com/simple-rtmp-server/srs/wiki/v1_CN_Product#release30
 [centos0]: http://winlinvip.github.io/srs.release/releases/files/SRS-CentOS6-x86_64-2.0.189.zip
 [centos1]: http://www.ossrs.net/srs.release/releases/files/SRS-CentOS6-x86_64-2.0.189.zip
-
-[srs2_CN]: https://github.com/simple-rtmp-server/srs/wiki/v2_CN_Home
-[srs2_EN]: https://github.com/simple-rtmp-server/srs/wiki/v2_EN_Home
-[srs3_CN]: https://github.com/simple-rtmp-server/srs/wiki/v3_CN_Home
-[srs3_EN]: https://github.com/simple-rtmp-server/srs/wiki/v3_EN_Home
+[srs_CN]: https://github.com/simple-rtmp-server/srs/wiki/v3_CN_Home
+[srs_EN]: https://github.com/simple-rtmp-server/srs/wiki/v3_EN_Home