diff --git a/src/chain/ERC20Reactor.ts b/src/chain/ERC20Reactor.ts
index bc3bc49..fa4aea5 100644
--- a/src/chain/ERC20Reactor.ts
+++ b/src/chain/ERC20Reactor.ts
@@ -143,13 +143,19 @@ export class ERC20Reactor {
     const contract = new w3.eth.Contract(abiFt, address, { from: account || this.account.address })
     const amountBN = Web3.utils.toBN(Web3.utils.toWei(amount + ''))
     if (encodeABI) {
+      if (from === this.account.address) return contract.methods.transfer(to, amountBN).encodeABI()
       return contract.methods.transferFrom(from, to, amountBN).encodeABI()
     }
+    let gasEstimate =
+      from === this.account.address
+        ? await contract.methods.transfer(to, 0).estimateGas()
+        : await contract.methods.transferFrom(from, to, 0).estimateGas()
     if (estimate) {
-      return contract.methods.transferFrom(from, to, 0).estimateGas()
+      return gasEstimate
     }
+    if (from === this.account.address) return contract.methods.transfer(to, amountBN).send({ gas: gas || gasEstimate })
     return contract.methods.transferFrom(from, to, amountBN).send({
-      gas: gas || 1000000,
+      gas: gas || gasEstimate,
     })
   }
 
diff --git a/src/models/ChainTask.ts b/src/models/ChainTask.ts
index 14182de..54a49dc 100644
--- a/src/models/ChainTask.ts
+++ b/src/models/ChainTask.ts
@@ -5,6 +5,7 @@ import { InfoSvr } from 'service/info.service'
 
 import { BaseModule } from './Base'
 import { ReqTaskStatus, RequestTask } from './RequestTask'
+import { PriceSvr } from 'service/price.service'
 
 export enum TaskStatus {
   NOTSTART = 0,
@@ -79,7 +80,7 @@ export class ChainTaskClass extends BaseModule {
         errCount += 1
       }
       if (subData.gasUsed) {
-        record += subData.gasUsed
+        record.gas += subData.gasUsed
       }
       hashList.push(subData.txHash)
     }
@@ -104,12 +105,14 @@ export class ChainTaskClass extends BaseModule {
     if (record.allEnd) {
       setImmediate(async function () {
         try {
+          let gasPrice = await new PriceSvr().refreshGasPrice()
           let result = await new InfoSvr().reportTaskResult({
             id: record.taskId,
             result: record.status,
             successCount: record.successCount,
             errorCount: record.errorCount,
             gas: record.gas,
+            gasPrice,
             hashList,
             cb: record.cb,
           })
diff --git a/src/service/info.service.ts b/src/service/info.service.ts
index ad126eb..4cfdca4 100644
--- a/src/service/info.service.ts
+++ b/src/service/info.service.ts
@@ -11,10 +11,10 @@ const calcHash = function (data: any) {
 @singleton
 export class InfoSvr {
   reportTaskResult(data: any) {
-    data.sign = calcHash(data)
-    logger.info('report to info svr: ' + JSON.stringify(data))
     let url = data.cb
     delete data.cb
+    data.sign = calcHash(data)
+    logger.info('report to info svr: ' + JSON.stringify(data))
     if (!url) {
       url = `${process.env.INFO_SVR_HOST}${REPORT_TASK_URI}`
     }
diff --git a/src/utils/security.util.ts b/src/utils/security.util.ts
index 8ddf5a4..e799be4 100644
--- a/src/utils/security.util.ts
+++ b/src/utils/security.util.ts
@@ -30,11 +30,11 @@ export function sha1(str) {
   return str
 }
 
-export function hmacSha256(str: string, key: any) {
-  const md5sum = crypto.createHmac('sha256', key)
-  md5sum.update(str)
-  str = md5sum.digest('hex')
-  return str
+export function hmacSha256(text: string, secret: string) {
+  const mac = crypto.createHmac('sha256', secret)
+  const data = mac.update(text).digest('hex').toLowerCase()
+  console.log(`HmacSHA256 rawContent is [${text}], key is [${secret}], hash result is [${data}]`)
+  return data
 }
 
 export function md5(str) {