Writing docs.

@@ -40,7 +40,7 @@ public class ZKit {
         zkClient.subscribeChildChanges(path, new IZkChildListener() {
             @Override
             public void handleChildChange(String parentPath, List<String> currentChilds) throws Exception {
-                logger.info("清除/更新本地缓存 parentPath=【{}】,currentChilds=【{}】", parentPath,currentChilds.toString());
+                logger.info("Clear or update local cache parentPath=[{}],currentChilds=[{}]", parentPath,currentChilds.toString());
 
                 //更新所有缓存/先删除 再新增
                 serverCache.updateCache(currentChilds) ;

@@ -38,8 +38,8 @@ public interface UserInfoCacheService {
 
 
     /**
-     *
-     * @return 获取所有在线用户
+     * query all online user
+     * @return online user
      */
     Set<CIMUserInfo> onlineUser() ;
 }

@@ -118,13 +118,13 @@ public class CIMServerHandle extends SimpleChannelInboundHandler<CIMRequestProto
 
     @Override
     protected void channelRead0(ChannelHandlerContext ctx, CIMRequestProto.CIMReqProtocol msg) throws Exception {
-        LOGGER.info("收到msg={}", msg.toString());
+        LOGGER.info("received msg=[{}]", msg.toString());
 
         if (msg.getType() == Constants.CommandType.LOGIN) {
             //保存客户端与 Channel 之间的关系
             SessionSocketHolder.put(msg.getRequestId(), (NioSocketChannel) ctx.channel());
             SessionSocketHolder.saveSession(msg.getRequestId(), msg.getReqMsg());
-            LOGGER.info("客户端[{}]上线成功", msg.getReqMsg());
+            LOGGER.info("client [{}] online success!!", msg.getReqMsg());
         }
 
         //心跳更新时间