diff --git a/README.md b/README.md
index 3677326..904a367 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,9 @@
   - 异/同设备，多地登录
 
 
-
+### 资料
+一致性hash算法能否解决数据迁移的问题？
+https://www.zhihu.com/question/521159623
 
 
 ### TODO
diff --git a/im-service/im-router/src/main/java/net/sopod/soim/router/datasync/server/SyncLogByHashService.java b/im-service/im-router/src/main/java/net/sopod/soim/router/datasync/server/SyncLogByHashService.java
index d0fd556..9725bc1 100644
--- a/im-service/im-router/src/main/java/net/sopod/soim/router/datasync/server/SyncLogByHashService.java
+++ b/im-service/im-router/src/main/java/net/sopod/soim/router/datasync/server/SyncLogByHashService.java
@@ -23,7 +23,7 @@ public class SyncLogByHashService {
 
     public void startPush() {
         // TODO 开始数据推送
-        
+
     }
 
 }