diff --git a/server/bin_dev/web3service/config/web3service.cluster.json b/server/bin_dev/web3service/config/web3service.cluster.json
index f3bc76b..3e80bb3 100644
--- a/server/bin_dev/web3service/config/web3service.cluster.json
+++ b/server/bin_dev/web3service/config/web3service.cluster.json
@@ -1,7 +1,7 @@
 [
   {
     "instance_id" : 1,
-    "listen_port": 7672,
+    "listen_port": 8672,
     "nets": [
       421613
     ]