Merge pull request #496 from qiweiii/qw-changes

fix: code highlight
AmazingAng · May 11, 2023 · 1727039 · 1727039
2 parents b9b26a9 + 9c9903e
commit 1727039
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diff --git a/37_Signature/readme.md b/37_Signature/readme.md
@@ -110,7 +110,7 @@ ethereum.request({method: "personal_sign", params: [account, hash]})
 ![浏览器console调用metamask进行签名](./img/37-4.jpg)
 
 **3-2. 利用web3.py签名：** 批量调用中更倾向于使用代码进行签名，以下是基于web3.py的实现。
-```
+```py
 from web3 import Web3, HTTPProvider
 from eth_account.messages import encode_defunct
 

diff --git a/38_NFTSwap/readme.md b/38_NFTSwap/readme.md
@@ -62,7 +62,7 @@ discord：[WTF Academy](https://discord.gg/5akcruXrsk)
 
 `ERC721`的安全转账函数会检查接收合约是否实现了`onERC721Received()`函数，并返回正确的选择器`selector`。用户下单之后，需要将`NFT`发送给`NFTSwap`合约。因此`NFTSwap`继承`IERC721Receiver`接口，并实现`onERC721Received()`函数：
 
-```
+```solidity
 contract NFTSwap is IERC721Receiver{
 
     // 实现{IERC721Receiver}的onERC721Received，能够接收ERC721代币

diff --git a/41_WETH/readme.md b/41_WETH/readme.md
@@ -39,7 +39,7 @@ discord：[WTF Academy](https://discord.gg/5akcruXrsk)
 
 2. 取款：拆包装，用户销毁`WETH`，并获得等量的`ETH`。
 
-```
+```solidity
 // SPDX-License-Identifier: MIT
 pragma solidity ^0.8.0;
 

diff --git a/43_TokenVesting/readme.md b/43_TokenVesting/readme.md
@@ -44,7 +44,6 @@ tags:
 - `ERC20Released`：提币事件，当受益人提取释放代币时释放。
 
 ```solidity
-
 contract TokenVesting {
     // 事件
     event ERC20Released(address indexed token, uint256 amount); // 提币事件