diff --git a/examples/consul/go-client/config/client.yml b/examples/consul/go-client/config/client.yml
index ad5747204c..8a7458c384 100644
--- a/examples/consul/go-client/config/client.yml
+++ b/examples/consul/go-client/config/client.yml
@@ -1,13 +1,3 @@
-# dubbo client yaml configure file
-
-
-check: true
-# client
-request_timeout : "3s"
-# connect timeout
-connect_timeout : "3s"
-
-# application config
 application_config:
   organization : "ikurento.com"
   name  : "BDTService"
@@ -17,7 +7,7 @@ application_config:
   environment : "test"
 
 registries :
-  "hangzhouzk":
+  "consul":
     protocol: "consul"
     timeout	: "3s"
     address: "127.0.0.1:8500"
@@ -56,3 +46,7 @@ protocol_conf:
       wait_timeout: "1s"
       max_msg_len: 10240
       session_name: "client"
+
+check: true
+request_timeout : "3s"
+connect_timeout : "3s"
diff --git a/examples/consul/go-server/config/server.yml b/examples/consul/go-server/config/server.yml
index dfefb30939..c12800e68d 100644
--- a/examples/consul/go-server/config/server.yml
+++ b/examples/consul/go-server/config/server.yml
@@ -1,7 +1,3 @@
-# dubbo server yaml configure file
-
-
-# application config
 application_config:
   organization : "ikurento.com"
   name : "BDTService"
@@ -11,7 +7,7 @@ application_config:
   environment : "test"
 
 registries :
-  "hangzhouzk":
+  "consul":
     protocol: "consul"
     timeout	: "3s"
     address: "127.0.0.1:8500"
@@ -33,10 +29,8 @@ services:
 protocols:
   "dubbo1":
       name: "dubbo"
-  #    ip : "127.0.0.1"
       port: 20000
 
-
 protocol_conf:
   dubbo:
     session_number: 700
diff --git a/registry/consul/listener.go b/registry/consul/listener.go
index 98cd8b3bde..b047a4c08c 100644
--- a/registry/consul/listener.go
+++ b/registry/consul/listener.go
@@ -94,8 +94,8 @@ func newConsulListener(registryUrl common.URL, consumerUrl common.URL) (*consulL
 		consumerUrl: consumerUrl,
 		plan:        plan,
 		urls:        make([]common.URL, 0, 8),
-		eventCh:     make(chan *registry.ServiceEvent),
-		errCh:       make(chan error),
+		eventCh:     make(chan *registry.ServiceEvent, 32),
+		errCh:       make(chan error, 32),
 		done:        make(chan struct{}),
 	}