diff --git a/ArbitrumBridge.py b/ArbitrumBridge.py
index 84662a1..ecf539f 100644
--- a/ArbitrumBridge.py
+++ b/ArbitrumBridge.py
@@ -16,14 +16,14 @@ def get_w3_by_network(network='mainnet'):
 
 # bridge eth from rinkeby to arbitrum testnet
 def bridge_arbitrum_eth(w3, from_address, private_key, contract_address, amount_in_ether, chainId):
-    from_address = Web3.toChecksumAddress(from_address)
-    contract_address = Web3.toChecksumAddress(contract_address)
+    from_address = Web3.to_checksum_address(from_address)
+    contract_address = Web3.to_checksum_address(contract_address)
 
     ABI = '[{"inputs":[{"internalType":"uint256","name":"maxSubmissionCost","type":"uint256"}],"name":"depositEth","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"payable","type":"function"}]'
     
     amount_in_wei = w3.toWei(amount_in_ether, 'ether')
     maxSubmissionCost = int(amount_in_wei * 0.01) # 定义参数值
-    nonce = w3.eth.getTransactionCount(from_address)
+    nonce = w3.eth.get_transaction_count(from_address)
 
     params = {
         'chainId': chainId,
@@ -43,7 +43,7 @@ def bridge_arbitrum_eth(w3, from_address, private_key, contract_address, amount_
     try:
         tx = func.buildTransaction(params)
         signed_tx = w3.eth.account.sign_transaction(tx, private_key=private_key)
-        txn = w3.eth.sendRawTransaction(signed_tx.rawTransaction)
+        txn = w3.eth.send_raw_transaction(signed_tx.rawTransaction)
         return {'status': 'succeed', 'txn_hash': w3.toHex(txn), 'task': 'Bridge ETH'}
     except Exception as e:
         return {'status': 'failed', 'error': e, 'task': 'Bridge ETH'}
diff --git a/Tutorial.py b/Tutorial.py
index dfebc86..3d123f8 100644
--- a/Tutorial.py
+++ b/Tutorial.py
@@ -20,7 +20,7 @@ def main():
     w3 = get_w3_by_network(network='mainnet')
 
     # 检查接入状态
-    print(w3.isConnected())
+    print(w3.is_connected())
 
     # 当前区块高度
     print(w3.eth.block_number)
@@ -29,7 +29,7 @@ def main():
     vb = '0x220866b1a2219f40e72f5c628b65d54268ca3a9d'
 
     # 地址格式转换
-    address = Web3.toChecksumAddress(vb)
+    address = Web3.to_checksum_address(vb)
 
     # 查询地址 ETH余额
     balance = w3.eth.get_balance(address) / 1e18
diff --git a/transferETH.py b/transferETH.py
index 8ef6d42..950e899 100644
--- a/transferETH.py
+++ b/transferETH.py
@@ -14,24 +14,24 @@ def get_w3_by_network(network='mainnet'):
 
 
 def transfer_eth(w3,from_address,private_key,target_address,amount,gas_price=5,gas_limit=21000,chainId=4):
-    from_address = Web3.toChecksumAddress(from_address)
-    target_address = Web3.toChecksumAddress(target_address)
-    nonce = w3.eth.getTransactionCount(from_address) # 获取 nonce 值
+    from_address = Web3.to_checksum_address(from_address)
+    target_address = Web3.to_checksum_address(target_address)
+    nonce = w3.eth.get_transaction_count(from_address) # 获取 nonce 值
     params = {
         'from': from_address,
         'nonce': nonce,
         'to': target_address,
-        'value': w3.toWei(amount, 'ether'),
+        'value': w3.to_wei(amount, 'ether'),
         'gas': gas_limit,
         # 'gasPrice': w3.toWei(gas_price, 'gwei'),
-        'maxFeePerGas': w3.toWei(gas_price, 'gwei'),
-        'maxPriorityFeePerGas': w3.toWei(gas_price, 'gwei'),
+        'maxFeePerGas': w3.to_wei(gas_price, 'gwei'),
+        'maxPriorityFeePerGas': w3.to_wei(gas_price, 'gwei'),
         'chainId': chainId,
         
     }
     try:
-        signed_tx = w3.eth.account.signTransaction(params, private_key=private_key)
-        txn = w3.eth.sendRawTransaction(signed_tx.rawTransaction)
+        signed_tx = w3.eth.account.sign_transaction(params, private_key=private_key)
+        txn = w3.eth.send_raw_transaction(signed_tx.rawTransaction)
         return {'status': 'succeed', 'txn_hash': w3.toHex(txn), 'task': 'Transfer ETH'}
     except Exception as e:
         return {'status': 'failed', 'error': e, 'task': 'Transfer ETH'}
diff --git a/zkSyncBridge.py b/zkSyncBridge.py
index 882371e..e508aff 100644
--- a/zkSyncBridge.py
+++ b/zkSyncBridge.py
@@ -19,14 +19,14 @@ def get_w3_by_network(network='goerli'):
 
 # bridge eth from goerli to zkSync 2.0 testnet
 def bridge_zkSync_eth(w3, from_address, private_key, contract_address, amount_in_ether, chainId):
-    from_address = Web3.toChecksumAddress(from_address)
-    contract_address = Web3.toChecksumAddress(contract_address)
+    from_address = Web3.to_checksum_address(from_address)
+    contract_address = Web3.to_checksum_address(contract_address)
 
     # Deposit ETH ABI
     ABI = '[{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"address","name":"_zkSyncAddress","type":"address"},{"internalType":"enum Operations.QueueType","name":"_queueType","type":"uint8"},{"internalType":"enum Operations.OpTree","name":"_opTree","type":"uint8"}],"name":"depositETH","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"emergencyFreezeDiamond","outputs":[],"stateMutability":"nonpayable","type":"function"}]'
 
     amount_in_wei = w3.toWei(amount_in_ether, 'ether')
-    nonce = w3.eth.getTransactionCount(from_address)
+    nonce = w3.eth.get_transaction_count(from_address)
 
     # goerli链：无须设置 gas, gas price , chainId, 会自动计算并配置为 EIP 1559 类型
     tx_params = {