diff --git a/examples/demo/configs/chains/ibc-archway.json b/examples/demo/configs/chains/ibc-archway.json
index 9a408bad0..e1b143174 100644
--- a/examples/demo/configs/chains/ibc-archway.json
+++ b/examples/demo/configs/chains/ibc-archway.json
@@ -16,7 +16,9 @@
     "sign-mode": "direct",
     "ibc-handler-address":"--",
     "broadcast-mode": "batch",
-    "block-timeout": ""
+    "block-timeout": "",
+    "start-height":0,
+    "block-interval": 6000
   }
 }
 
diff --git a/examples/demo/configs/chains/ibc-icon.json b/examples/demo/configs/chains/ibc-icon.json
index 932a80ddf..1b6ae8092 100644
--- a/examples/demo/configs/chains/ibc-icon.json
+++ b/examples/demo/configs/chains/ibc-icon.json
@@ -1,14 +1,16 @@
 {
     "type": "icon",
     "value": {
-      "chain-id": "ibc-icon",
-      "rpc-addr": "http://localhost:9082/api/v3/",
-      "timeout": "30s",
-      "keystore":"/Users/viveksharmapoudel/keystore/godWallet.json",
-      "password":"gochain",
-      "btp-network-id":2,
-      "icon-network-id":3,
-      "start-btp-height":0,
-      "ibc-handler-address":"cxfffe383e4780084e48e477935099b03193d952fe"
+        "chain-id": "ibc-icon",
+        "rpc-addr": "http://localhost:9082/api/v3/",
+        "timeout": "30s",
+        "keystore": "/Users/viveksharmapoudel/keystore/godWallet.json",
+        "password": "gochain",
+        "btp-network-id": 2,
+        "icon-network-id": 3,
+        "start-btp-height": 0,
+        "ibc-handler-address": "cxfffe383e4780084e48e477935099b03193d952fe",
+        "start-height": 0,
+        "block-interval": 2000
     }
 }
\ No newline at end of file
diff --git a/relayer/common/const.go b/relayer/common/const.go
index 1b71fe43b..7c8e9335a 100644
--- a/relayer/common/const.go
+++ b/relayer/common/const.go
@@ -6,5 +6,5 @@ var (
 	ArchwayModule         = "archway"
 	TendermintLightClient = "tendermint"
 	IconLightClient       = "iconclient"
-	ONE_HOUR              = 60 * 60
+	ONE_HOUR              = 60 * 60 * 1000
 )