update readme (#240)

diff --git a/README.md b/README.md
index d3505a6..2fb2e34 100644
--- a/README.md
+++ b/README.md
@@ -351,12 +351,12 @@
 ###集群模式启动Connect Worker
 
 Main Class配置
-org.apache.rocketmq.connect.runtime.StandaloneConnectStartup
+org.apache.rocketmq.connect.runtime.DistributedConnectStartup
 
 
 Program arguments配置
 
--c  ${user path}/rocketmq-connect/distribution/conf/connect-standalone.conf
+-c  ${user path}/rocketmq-connect/distribution/conf/connect-distributed.conf
 
 Environment variables配置