diff --git a/src/components/chain/BlockChain.js b/src/components/chain/BlockChain.js
index fa7ddbf..02f85e1 100644
--- a/src/components/chain/BlockChain.js
+++ b/src/components/chain/BlockChain.js
@@ -209,6 +209,8 @@ export class BlockChain {
   async logout() {
     if (this.store.walletType != 3 && this.passportProvider) {
       new PassportWallet().logout();
+    } else if (this.store.walletType == 3 && this.eoaWallet) {
+      await this.eoaWallet.logout();
     }
     this.store.reset();
     this.store.$persist();
@@ -239,16 +241,20 @@ export class BlockChain {
       console.log(`current chain: ${chainId}, want: ${targetChainId}`)
       chainId = await switchEthereumChain(provider.provider, targetChainId);
     }
-    
+    let eoaAddress;
     if (this.store.walletType == 3) {
       const { provider, accounts } = await this.eoaWallet.web3Provider();
       this.eoaProvider = provider;
+      eoaAddress = accounts[0];
     } else {
       const { provider, accounts } = await this.wallet.web3Provider();
       this.web3Provider = provider;
       this.eoaProvider = provider;
+      eoaAddress = accounts[0];
+    }
+    if (this.store.eoaAddress !== eoaAddress) {
+      throw new Error('eoa address changed')
     }
-    
   }
 
   async checkPassportLogin() {
diff --git a/src/components/chain/contract/Locker.js b/src/components/chain/contract/Locker.js
index 67b4f06..51b351b 100644
--- a/src/components/chain/contract/Locker.js
+++ b/src/components/chain/contract/Locker.js
@@ -29,14 +29,20 @@ export class Locker {
       const addressApproval = await nftContract.getApproved(tokenId)
       if ((addressApproval || "").toLowerCase() != lockAddress.toLowerCase()) {
         const resApproval = await nftContract.approve(lockAddress, tokenId);
-        await provider.waitForTransaction(resApproval.hash)
+        const res = await provider.waitForTransaction(resApproval.hash)
+        if (res.status == 0) {
+          throw new Error('approval failed')
+        }
         console.debug('approve', resApproval.hash)
       }
     }
     
     const contract = new ethers.Contract(lockAddress, lockAbi, provider.getSigner())
     const res = await contract.lock(nft, address, tokenIds)
-    await provider.waitForTransaction(res.hash)
+    const resConfirm = await provider.waitForTransaction(res.hash)
+    if (resConfirm.status == 0) {
+      throw new Error('lock failed')
+    }
     return res.hash
   }
 
@@ -66,7 +72,10 @@ export class Locker {
       }]
     })
     console.log(txHash)
-    await provider.waitForTransaction(txHash)
+    const res = await provider.waitForTransaction(txHash)
+    if (res.status == 0) {
+      throw new Error('transaction failed')
+    }
     return txHash
   }
   async execUnlock(provider, chainId, nft, tokenIds) {