diff --git a/config/scription_list.json b/config/scription_list.json
index 55dd75a..26bc376 100644
--- a/config/scription_list.json
+++ b/config/scription_list.json
@@ -1,7 +1,7 @@
 [
   {
     "chain": 421614,
-    "rpc": "https://arb-sepolia.g.alchemy.com/v2/mHoYM0SyjeizxvdjShcdOHiCrXOM_mlg",
+    "rpc": "https://arb-sepolia.g.alchemy.com/v2/EKR1je8ZGia332kkemNc4mtXQuFskIq3",
     "fromBlock": 5624211,
     "filters": [{
       "key": "input",
diff --git a/src/service/block.sync.service.ts b/src/service/block.sync.service.ts
index 1ea7e21..c2e503f 100644
--- a/src/service/block.sync.service.ts
+++ b/src/service/block.sync.service.ts
@@ -2,7 +2,6 @@ import { IChain } from "chain/allchain";
 import { retryEthBlockNumber } from "chain/chain.api";
 import { IScriptionCfg } from "interface/IScriptionCfg";
 import logger from "logger/logger";
-import { CheckIn } from "models/CheckIn";
 import { RedisClient } from "redis/RedisClient";
 import { getPastBlocksIter } from "utils/block.util";
 import { formatDate } from "utils/date.util";
diff --git a/src/service/event.batch.service.ts b/src/service/event.batch.service.ts
index 7b4f3a2..ba9fc0d 100644
--- a/src/service/event.batch.service.ts
+++ b/src/service/event.batch.service.ts
@@ -1,5 +1,5 @@
 import { IChain } from "chain/allchain";
-import { batchEthLogs, ethGetLogs } from "chain/chain.api";
+import { batchEthLogs, ethBlockNumber, ethGetLogs, retryEthBlockNumber } from "chain/chain.api";
 import logger from "logger/logger";
 import { GeneralEvent } from "models/GeneralEvent";
 
@@ -10,6 +10,7 @@ import { NftHolder } from 'models/NftHolder'
 import { TokenHolder } from 'models/TokenHolder'
 import { NftStake } from 'models/NftStake'
 import { IEventCfg } from "interface/IEventCfg";
+import { parse } from "path";
 
 let eventProcessers = {
   NftHolder: NftHolder,
@@ -44,24 +45,25 @@ export class EventBatchSvr {
   async execute() {
     
     try {
-      // let currentBlock = await ethBlockNumber(this.rpc)
+      let currentBlock = await retryEthBlockNumber(this.rpc)
+      let toBlock = parseInt(currentBlock.result, 16)
       let blockStr = await new RedisClient().get(this.redisKey)
       if (blockStr) {
         this.fromBlock = Math.max(parseInt(blockStr), this.fromBlock)
       }
-      logger.info(`begin sync events with chain: ${this.chainCfg.id}, from block: ${this.fromBlock}`)
+      logger.info(`sync events with chain: ${this.chainCfg.id}, from: ${this.fromBlock}, to: ${toBlock}`)
       let params = []
       let uninParams = []
       let topicsSet = new Set()
       for (let cfg of this.eventCfgs) {
-        await this.fixBlockNumber(cfg)
+        await this.fixBlockNumber(cfg);
         if (cfg.fromBlock != this.fromBlock) {
-          let _param = this.buildQueryParams(cfg)
+          let _param = this.buildQueryParams(cfg, toBlock)
           params.push(_param)
         } else {
           let _param = uninParams[uninParams.length - 1]
           if (!_param || topicsSet.size > MAX_TOPICS) {
-            _param = this.buildQueryParams(cfg)
+            _param = this.buildQueryParams(cfg, toBlock)
             uninParams.push(_param)
             topicsSet = new Set()
           } else {
@@ -82,8 +84,7 @@ export class EventBatchSvr {
             throw results[i].error
           }
           let events = results[i].result
-          let num = await this.processEvents(events)
-          nextBlock = Math.max(num, nextBlock)
+          await this.processEvents(events)
         }
       } else if (uninParams.length == 1) {
         logger.debug(`unin params length 1, use eth_getLogs`)
@@ -91,8 +92,7 @@ export class EventBatchSvr {
         if (result.error) {
           throw result.error
         }
-        let num = await this.processEvents(result.result)
-        nextBlock = Math.max(num, nextBlock)
+        await this.processEvents(result.result)
       }
       if (params.length > 0) {
         logger.debug(`params: ${params.length}`)
@@ -102,11 +102,10 @@ export class EventBatchSvr {
             throw results[i].error
           }
           let events = results[i].result
-          let num = await this.processEvents(events)
-          nextBlock = Math.max(num, nextBlock)
+          await this.processEvents(events)
         }
       }
-      nextBlock ++;
+      nextBlock = toBlock + 1;
       for (let cfg of this.eventCfgs) {
         cfg.fromBlock = nextBlock
         const redisKey = this.buildRedisKey(cfg)
@@ -131,10 +130,10 @@ export class EventBatchSvr {
     }
   }
 
-  buildQueryParams(cfg: IEventCfg) {
+  buildQueryParams(cfg: IEventCfg, toBlock?: number) {
     const params: any = {
       fromBlock: '0x' + cfg.fromBlock.toString(16),
-      toBlock: 'latest',
+      toBlock: toBlock ? '0x' + toBlock?.toString(16) : 'latest',
       address: [cfg.address]
     }
     params.topics = [cfg.topic]
diff --git a/src/utils/block.util.ts b/src/utils/block.util.ts
index 8b304b7..da0b4cb 100644
--- a/src/utils/block.util.ts
+++ b/src/utils/block.util.ts
@@ -18,7 +18,7 @@ export async function divQueryPassBlocks({chainId, rpc, fromBlock, amount}
 export async function getPastBlocks({chainId, rpc, fromBlock, amount}
   : {chainId: number, rpc: string, fromBlock: number, amount: number}) {
   let blocks = []
-  logger.log(`getPastBlocks: ${chainId} from: ${fromBlock} amount: ${amount}`)
+  logger.info(`getPastBlocks: ${chainId} from: ${fromBlock} amount: ${amount}`)
   let blockNumber = fromBlock
   const redisKey = `blocknum_${chainId}`
   let retryCount = 0;
@@ -78,7 +78,7 @@ export async function getPastBlocks({chainId, rpc, fromBlock, amount}
 
 export function* getPastBlocksIter({chainId, rpc, fromBlock, amount}
   : {chainId: number, rpc: string, fromBlock: number, amount: number}) {
-  logger.debug(`*getPastBlocksIter: ${chainId} from: ${fromBlock} amount: ${amount}`)
+  logger.info(`*getPastBlocksIter: ${chainId} from: ${fromBlock} amount: ${amount}`)
   let remain = amount
   while (remain > 0) {
     yield getPastBlocks({chainId, rpc, fromBlock, amount: Math.min(MAX_BATCH_AMOUNT, remain)})