diff --git a/src/chain/BlockChain.ts b/src/chain/BlockChain.ts
index 600b53a..94668fb 100644
--- a/src/chain/BlockChain.ts
+++ b/src/chain/BlockChain.ts
@@ -21,7 +21,7 @@ export class BlockChain {
   public currentBlockNum: number = 0
 
   constructor() {
-    const provider = new HttpRetryProvider([process.env.CHAIN_RPC_URL])
+    const provider = new HttpRetryProvider(process.env.CHAIN_RPC_URL.split('|'))
     this.web3 = new Web3(provider)
     this.confirmQueue = new ConfirmQueue(this.web3)
     let key = process.env.CHAIN_MASTER_KEY
diff --git a/src/service/event.sync.service.ts b/src/service/event.sync.service.ts
index bfd0944..5fc1a52 100644
--- a/src/service/event.sync.service.ts
+++ b/src/service/event.sync.service.ts
@@ -16,9 +16,20 @@ export class EventSyncSvr {
   address: string
   eventProcesser: any
 
-  constructor({ address, event, abi, fromBlock, eventProcesser }
-    : { address: string; event: string; abi: any; fromBlock: number,eventProcesser: any }) {
-    this.provider = new HttpRetryProvider([process.env.CHAIN_RPC_URL])
+  constructor({
+    address,
+    event,
+    abi,
+    fromBlock,
+    eventProcesser,
+  }: {
+    address: string
+    event: string
+    abi: any
+    fromBlock: number
+    eventProcesser: any
+  }) {
+    this.provider = new HttpRetryProvider(process.env.CHAIN_RPC_URL.split('|'))
     // @ts-ignore
     this.web3 = new Web3(this.provider)
     this.contract = new this.web3.eth.Contract(abi, address)