diff --git a/src/wallet/index.js b/src/wallet/index.js
index 6edac3d..e26ee87 100644
--- a/src/wallet/index.js
+++ b/src/wallet/index.js
@@ -356,7 +356,7 @@ export class Wallet {
     const instance = this.initInstance(web3, process.env.VUE_APP_CONTRACT, treasureAbi, address);
     let gasPrice = await web3.eth.getGasPrice()
     // console.log('chainCheckIn gasPrice: ', gasPrice)
-    // gasPrice = gasPrice * 2n
+    gasPrice = gasPrice * 2n
     let gasLimit = await this.estimateGas(address, '0xd8edeb1b');
     console.log('gasLimit: ', gasLimit, 'gasPrice:', gasPrice)
     return instance.methods.dailyCheckin().send({ from: address, gasPrice, gasLimit });
@@ -385,7 +385,7 @@ export class Wallet {
     let idBN = web3.utils.toBigInt('0x'+exploreId)
     const instance = this.initInstance(web3, process.env.VUE_APP_CONTRACT, treasureAbi, address);
     let gasPrice = await web3.eth.getGasPrice()
-    // gasPrice = gasPrice * 2n
+    gasPrice = gasPrice * 2n
     // let gasLimit = await instance.methods.explore(idBN).estimateGas({ from: address });
     const dataStr = '0x6457e389' + exploreId.padStart(64, '0');
     const gasLimit = await this.estimateGas(address, dataStr)
@@ -452,7 +452,7 @@ export class Wallet {
     const instance = this.initInstance(web3, process.env.VUE_APP_CONTRACT, treasureAbi, address);
 
     let gasPrice = await web3.eth.getGasPrice()
-    // gasPrice = gasPrice * 2n
+    gasPrice = gasPrice * 2n
     // let gasLimit = await instance.methods.openBox(boxIdBN).estimateGas({ from: address });
     const dataStr = '0xb1e5e2b7' + boxId.padStart(64, '0');
     const gasLimit = await this.estimateGas(address, dataStr)
@@ -485,7 +485,7 @@ export class Wallet {
     let taskIdBN = web3.utils.toBigInt('0x'+taskIdHex)
     const instance = this.initInstance(web3, process.env.VUE_APP_CONTRACT, treasureAbi, address);
     let gasPrice = await web3.eth.getGasPrice()
-    // gasPrice = gasPrice * 2n
+    gasPrice = gasPrice * 2n
     // let gasLimit = await instance.methods.claimTaskReward(taskIdBN).estimateGas({ from: address });
     const dataStr = '0x4052a9c7' + taskIdHex.padStart(64, '0');
     const gasLimit = await this.estimateGas(address, dataStr)