diff --git a/src/eth/monitor.ts b/src/eth/monitor.ts
index 09d84a7..98293fd 100644
--- a/src/eth/monitor.ts
+++ b/src/eth/monitor.ts
@@ -91,7 +91,7 @@ async function main() {
   await withEventTracker(
     config.deviceId,
     BridgeJSON,
-    config.wsSource,
+    config.rpcSource,
     config.monitorAccount,
     config.mongodbUrl,
     (eventTracker: EventTracker) => {
diff --git a/src/eth/pending.ts b/src/eth/pending.ts
index 02e12c5..a7e4609 100644
--- a/src/eth/pending.ts
+++ b/src/eth/pending.ts
@@ -5,6 +5,7 @@ import { L1ClientRole } from "delphinus-deployment/src/types";
 const BridgeJSON = require("solidity/build/contracts/Bridge.json");
 
 async function main() {
+/*
   const config = await getConfigByChainName(
     L1ClientRole.Monitor,
     process.argv[2]
@@ -22,6 +23,8 @@ async function main() {
   await etracker.subscribePendingEvents().then((v) => {
     console.log("start subscribe pending events:");
   });
+*/
+  throw Error("unimplement");
 }
 
 main();