fix typo in README.md (#1)
diff --git a/README.md b/README.md
index b8707cc..6daea57 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@
| 201903@nanjing | https://yq.aliyun.com/live/908 |
| 201901@guangzhou | https://yq.aliyun.com/live/795 |
| 201812@hangzhou | https://yq.aliyun.com/live/652 |
-| 201809@chendu | https://yq.aliyun.com/live/500 |
+| 201809@chengdu | https://yq.aliyun.com/live/500 |
| 201807@shenzhen | http://www.itdks.com/index.php/Act/apply_upgrade/id/2354/mUid/0.html#dingbu |
| 201806@Shanghai | http://www.itdks.com/index.php/Act/apply_upgrade/id/2281/mUid/0.html#dingbu |
| 201805@Beijing | http://www.itdks.com/index.php/Act/apply_upgrade/id/2176/mUid/0.html#dingbu |