diff --git a/syncer/README-ZH.md b/syncer/README-ZH.md
index f72a048..64b141b 100644
--- a/syncer/README-ZH.md
+++ b/syncer/README-ZH.md
@@ -80,4 +80,11 @@
 ```
 
 **结果验证**  
-将微服务实例注册到其中一个ServiceCener后30秒，可以从每个ServiceCenter获取有关该实例的信息。
\ No newline at end of file
+将微服务实例注册到其中一个ServiceCener后30秒，可以从每个ServiceCenter获取有关该实例的信息。
+
+### 4. 特性
+
+Syncer是一个开发中版本，在下面列出已支持的特性，更多开发中的特性请参考[TODO](./TODO-ZH.md)
+
+- 支持多个servicecomb-service-center 服务中心之间进行数据同步
+- 在etcd中固化存储微服务实例映射表
\ No newline at end of file
diff --git a/syncer/README.md b/syncer/README.md
index 12e7b3b..1fba7ea 100644
--- a/syncer/README.md
+++ b/syncer/README.md
@@ -94,3 +94,10 @@
 **Verification**  
 30 seconds after registering a microservice to one of the Service-centers,  the information about it can be get from the other one.
 
+### 4. Features
+
+Syncer is in developing progress, reference to [TODO](./TODO.md) to get more developing features. Supported features are listed as follows,
+
+- Data synchronization among multiple servicecomb-service-centers
+- Solidify the mapping table of micro-service instances into etcd
+