diff --git a/src/wallet/index.js b/src/wallet/index.js
index 8e13d2f..3d3e142 100644
--- a/src/wallet/index.js
+++ b/src/wallet/index.js
@@ -331,6 +331,22 @@ export class Wallet {
     return new web3.eth.Contract(abi, address, { from: user });
   }
 
+  async estimateGas(address, data) {
+    const params = [
+      {
+        data,
+        from: address,
+        to: process.env.VUE_APP_CONTRACT,
+      },
+      'latest',
+    ]
+    let res = await requestChain(chainData.rpc, 'eth_estimateGas', params)
+    if (res.error) {
+      throw new Error(res.error.message)
+    }
+    return res.result
+  }
+
   async chainCheckIn(address) {
     let checkResult = await this.fetchCheckInStatus(address)
     if (checkResult) {
@@ -341,7 +357,8 @@ export class Wallet {
     let gasPrice = await web3.eth.getGasPrice()
     // console.log('chainCheckIn gasPrice: ', gasPrice)
     gasPrice = gasPrice * 2n
-    let gasLimit = await instance.methods.dailyCheckin().estimateGas();
+    let gasLimit = await this.estimateGas(address, '0xd8edeb1b');
+    console.log('gasLimit: ', gasLimit, 'gasPrice:', gasPrice)
     return instance.methods.dailyCheckin().send({ from: address, gasPrice, gasLimit });
   }
 
@@ -369,7 +386,10 @@ export class Wallet {
     const instance = this.initInstance(web3, process.env.VUE_APP_CONTRACT, treasureAbi, address);
     let gasPrice = await web3.eth.getGasPrice()
     gasPrice = gasPrice * 2n
-    let gasLimit = await instance.methods.explore(idBN).estimateGas({ from: address });
+    // let gasLimit = await instance.methods.explore(idBN).estimateGas({ from: address });
+    const dataStr = '0x6457e389' + exploreId.padStart(64, '0');
+    const gasLimit = await this.estimateGas(address, dataStr)
+    console.log('gasLimit: ', gasLimit, 'gasPrice:', gasPrice)
     return instance.methods.explore(idBN).send({ from: address, gasPrice, gasLimit });
   }
 
@@ -399,7 +419,10 @@ export class Wallet {
     const instance = this.initInstance(web3, process.env.VUE_APP_CONTRACT, treasureAbi, address);
     let gasPrice = await web3.eth.getGasPrice()
     gasPrice = gasPrice * 2n
-    let gasLimit = await instance.methods.enhanceBox(codeBn).estimateGas({ from: address });
+    // let gasLimit = await instance.methods.enhanceBox(codeBn).estimateGas({ from: address });
+    const dataStr = '0x44a17e06' + codeHex.padStart(64, '0');
+    const gasLimit = await this.estimateGas(address, dataStr)
+    console.log('gasLimit: ', gasLimit, 'gasPrice:', gasPrice)
     return instance.methods.enhanceBox(codeBn).send({ from: address, gasPrice, gasLimit });
   }
 
@@ -431,7 +454,10 @@ export class Wallet {
 
     let gasPrice = await web3.eth.getGasPrice()
     gasPrice = gasPrice * 2n
-    let gasLimit = await instance.methods.openBox(boxIdBN).estimateGas({ from: address });
+    // let gasLimit = await instance.methods.openBox(boxIdBN).estimateGas({ from: address });
+    const dataStr = '0xb1e5e2b7' + boxId.padStart(64, '0');
+    const gasLimit = await this.estimateGas(address, dataStr)
+    console.log('gasLimit: ', gasLimit, 'gasPrice:', gasPrice)
     return instance.methods.openBox(boxIdBN).send({ from: address, gasPrice, gasLimit });
   }
 
@@ -461,7 +487,10 @@ export class Wallet {
     const instance = this.initInstance(web3, process.env.VUE_APP_CONTRACT, treasureAbi, address);
     let gasPrice = await web3.eth.getGasPrice()
     gasPrice = gasPrice * 2n
-    let gasLimit = await instance.methods.claimTaskReward(taskIdBN).estimateGas({ from: address });
+    // let gasLimit = await instance.methods.claimTaskReward(taskIdBN).estimateGas({ from: address });
+    const dataStr = '0x4052a9c7' + taskIdHex.padStart(64, '0');
+    const gasLimit = await this.estimateGas(address, dataStr)
+    console.log('gasLimit: ', gasLimit, 'gasPrice:', gasPrice)
     return instance.methods.claimTaskReward(taskIdBN).send({ from: address, gasPrice, gasLimit });
   }