diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..0ce7a27
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,20 @@
+{
+    "MicroPython.executeButton": [
+        {
+            "text": "▶",
+            "tooltip": "运行",
+            "alignment": "left",
+            "command": "extension.executeFile",
+            "priority": 3.5
+        }
+    ],
+    "MicroPython.syncButton": [
+        {
+            "text": "$(sync)",
+            "tooltip": "同步",
+            "alignment": "left",
+            "command": "extension.execute",
+            "priority": 4
+        }
+    ]
+}
\ No newline at end of file
diff --git a/src/ERC721/SelfMintERC721.sol b/src/ERC721/SelfMintERC721.sol
new file mode 100644
index 0000000..fa9a9ba
--- /dev/null
+++ b/src/ERC721/SelfMintERC721.sol
@@ -0,0 +1,123 @@
+// SPDX-License-Identifier: MIT
+
+pragma solidity ^0.8.0;
+
+import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
+import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
+import "@openzeppelin/contracts/token/ERC1155/IERC1155.sol";
+import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Burnable.sol";
+import "@openzeppelin/contracts/access/Ownable.sol";
+import "@openzeppelin/contracts/utils/Counters.sol";
+import "@openzeppelin/contracts/token/ERC721/utils/ERC721Holder.sol";
+import "@openzeppelin/contracts/token/ERC1155/utils/ERC1155Holder.sol";
+import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol";
+import "../common/Pause.sol";
+import "../common/Paymentable.sol";
+
+contract SelfMintERC721 is
+    ERC721,
+    ERC721Burnable,
+    ERC721Enumerable,
+    Ownable,
+    Pause,
+    Paymentable,
+    ERC721Holder,
+    ERC1155Holder
+{
+    string private _baseUri;
+
+    using Counters for Counters.Counter;
+
+    Counters.Counter private _tokenIdTracker;
+
+    constructor(
+        string memory name_,
+        string memory symbol_,
+        string memory baseUri_
+    ) ERC721(name_, symbol_) {
+        _setBaseURI(baseUri_);
+    }
+
+    function mint(address to) public payable virtual {
+        _mint(to, _tokenIdTracker.current());
+        _tokenIdTracker.increment();
+    }
+
+    function supportsInterface(bytes4 interfaceId)
+        public
+        view
+        virtual
+        override(ERC721, ERC1155Receiver, ERC721Enumerable)
+        returns (bool)
+    {
+        return super.supportsInterface(interfaceId);
+    }
+
+    /**
+     * @dev 从合约中提取ERC20，因为ERC20转账不会检测是否是合约，是否可以接收代币，不用前置的一些操作
+     */
+    function transferERC20(
+        address tokenAddress,
+        address to,
+        uint256 amount
+    ) public virtual onlyOwner {
+        require(to != address(0), "TRANSFER: to the zero address");
+        IERC20 token = IERC20(tokenAddress);
+        uint256 balance = token.balanceOf(address(this));
+        require(amount <= balance, "TRANSFER: insufficient balance");
+        token.transfer(to, amount);
+    }
+
+    function transferERC721(
+        address tokenAddress,
+        address to,
+        uint256 tokenId
+    ) public virtual onlyOwner {
+        require(to != address(0), "TRANSFER: to the zero address");
+        IERC721 token = IERC721(tokenAddress);
+        require(
+            address(this) == token.ownerOf(tokenId),
+            "TRANSFER: transfer from incorrect owner"
+        );
+        token.transferFrom(address(this), to, tokenId);
+    }
+
+    function transferERC1155(
+        address tokenAddress,
+        address to,
+        uint256 tokenId,
+        uint256 amount
+    ) public virtual onlyOwner {
+        require(to != address(0), "TRANSFER: to the zero address");
+        IERC1155 token = IERC1155(tokenAddress);
+        require(
+            amount <= token.balanceOf(address(this), tokenId),
+            "TRANSFER: insufficient balance"
+        );
+        token.safeTransferFrom(address(this), to, tokenId, amount, bytes(""));
+    }
+
+    /**
+     * @dev 设置TOKEN的URI
+     */
+    function setBaseURI(string memory baseUri_) public virtual onlyOwner {
+        _setBaseURI(baseUri_);
+    }
+
+    function _setBaseURI(string memory baseUri_) internal virtual {
+        _baseUri = baseUri_;
+    }
+
+    function _baseURI() internal view virtual override returns (string memory) {
+        return _baseUri;
+    }
+
+    function _beforeTokenTransfer(
+        address from,
+        address to,
+        uint256 firstTokenId,
+        uint256 batchSize
+    ) internal virtual override(ERC721, ERC721Pausable, ERC721Enumerable) {
+        super._beforeTokenTransfer(from, to, firstTokenId, batchSize);
+    }
+}