diff --git a/src/models/CheckIn.ts b/src/models/CheckIn.ts
index 756a4cf..aa971dd 100644
--- a/src/models/CheckIn.ts
+++ b/src/models/CheckIn.ts
@@ -42,7 +42,7 @@ export class CheckInClass extends BaseModule {
       event.count = preDayEvent.count + 1
     }
     try {
-      await CheckIn.insertOrUpdate({ hash: event.hash }, event)
+      await CheckIn.insertOrUpdate({ from: event.from, dataTag: event.dataTag }, event)
     } catch (err) {
       logger.info('save check record error: ', event.dataTag, event.from, err.message || err)
     }
diff --git a/src/service/block.sync.service.ts b/src/service/block.sync.service.ts
index 94e1adc..4a8871b 100644
--- a/src/service/block.sync.service.ts
+++ b/src/service/block.sync.service.ts
@@ -27,28 +27,22 @@ export class BlockSyncSvr {
 
   async execute() {
     try {
-      if (!this.batchCount) {
-        let currentBlock = await retryEthBlockNumber(this.rpc)
-        if (currentBlock.error) {
-          process.exit(1)
-        }
-        this.batchCount = parseInt(currentBlock.result, 16) - this.fromBlock
-      }
-      
+      let currentBlock = await retryEthBlockNumber(this.rpc)      
       let blockStr = await new RedisClient().get(this.redisKey)
       if (blockStr) {
         this.fromBlock = Math.max(parseInt(blockStr), this.fromBlock)
       }
+      this.batchCount = parseInt(currentBlock.result, 16) - this.fromBlock
+      if (this.batchCount <= 0) {
+        return
+      }
       let blocks = getPastBlocksIter({
         chainId: this.chainCfg.id,
         rpc: this.rpc,
         fromBlock: this.fromBlock,
         amount: this.batchCount
       })
-      const amount = await this.processBlockDatas(blocks)
-      if (amount > 0) {
-        this.batchCount = amount + 1
-      }
+      await this.processBlockDatas(blocks)
     } catch (err) {
       console.log(err)
     }