diff --git a/package.json b/package.json
index b6a073f..6437f08 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
   "dependencies": {
     "@composedb/client": "0.5.0",
     "@composedb/types": "0.5.0",
-    "@helixbridge/helixconf": "1.1.4",
+    "@helixbridge/helixconf": "1.1.9",
     "@nestjs/common": "^9.0.0",
     "@nestjs/config": "^2.2.0",
     "@nestjs/core": "^9.0.0",
diff --git a/src/configure/configure.service.ts b/src/configure/configure.service.ts
index 35eabc2..0b93813 100644
--- a/src/configure/configure.service.ts
+++ b/src/configure/configure.service.ts
@@ -60,7 +60,7 @@ export interface LendInfo {
 
 export interface RpcNode {
   name: string;
-  rpc: string;
+  rpc?: string;
   fixedGasPrice: number;
   notSupport1559: boolean;
   lendMarket: LendInfo[];
@@ -138,6 +138,6 @@ export class ConfigureService {
   }
 
   get supportedChains(): string[] {
-    return this.baseConfig.chains.map((item) => item.name);
+    return this.baseConfig.chains.map((item) => item.code);
   }
 }
diff --git a/src/relayer/relayer.service.ts b/src/relayer/relayer.service.ts
index b9eda57..e232f6c 100644
--- a/src/relayer/relayer.service.ts
+++ b/src/relayer/relayer.service.ts
@@ -177,7 +177,7 @@ export class RelayerService implements OnModuleInit {
           );
           return null;
         }
-        const provider = new EthereumProvider(rpcnode.rpc);
+        const provider = new EthereumProvider(rpcnode.rpc ?? chainInfo.rpc);
         const lendMarket = rpcnode.lendMarket?.map((market) => {
           switch (market.protocol) {
             // currently only support aave
@@ -198,7 +198,7 @@ export class RelayerService implements OnModuleInit {
           rpcnode.name,
           {
             chainName: rpcnode.name,
-            rpc: rpcnode.rpc,
+            rpc: rpcnode.rpc ?? chainInfo.rpc,
             chainId: chainInfo.id,
             provider: provider,
             fixedGasPrice: rpcnode.fixedGasPrice,
diff --git a/yarn.lock b/yarn.lock
index 401b741..60ff270 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1117,10 +1117,10 @@
   resolved "https://registry.yarnpkg.com/@graphql-typed-document-node/core/-/core-3.2.0.tgz#5f3d96ec6b2354ad6d8a28bf216a1d97b5426861"
   integrity sha512-mB9oAsNCm9aM3/SOv4YtBMqZbYj10R7dkq8byBqxGY/ncFwhf2oQzMV+LCRlWoDSEBJ3COiR1yeDvMtsoOsuFQ==
 
-"@helixbridge/helixconf@1.1.4":
-  version "1.1.4"
-  resolved "https://registry.yarnpkg.com/@helixbridge/helixconf/-/helixconf-1.1.4.tgz#d5f9cce255f2a7af4dbe1ed4d00c7f199df79e11"
-  integrity sha512-lBiiTosVLkF/MJ8FexOQvHNikxrwB+VlBRYxDqYTqrmjsS2LOxt9W/33AjrRCohIupel8DCyf6OR+sx78t9ATw==
+"@helixbridge/helixconf@1.1.9":
+  version "1.1.9"
+  resolved "https://registry.yarnpkg.com/@helixbridge/helixconf/-/helixconf-1.1.9.tgz#cb8dc48de6a54bc139cf1b241dc69e9b7e5d35ff"
+  integrity sha512-fPxINF1V3WvwXwiiZQwq+esZ3XEXzrUuaKwCFFx5jaVz0NKc7uWbt6fhDXZSJlGkPOB+cw35J2ghe6Lg7DvbEQ==
 
 "@humanwhocodes/config-array@^0.11.14":
   version "0.11.14"