# 智能路由 V3

智能路由 V3（SmartRouterV3）。

### Contract Info

[Contract address](https://docs.pancakeswap.finance/chinese/gei-kai-fa-zhe-men/zhi-neng-he-yue-evm/pancakeswap-jiao-yi-xiang-guan/v3-xiang-guan-he-yue/broken-reference)

{% hint style="info" %}

### Notice

At the very end of all swaps via router, `refundETH` should be called. PancakeSwap will ensure this.
{% endhint %}

### Audits

### API

#### constructor

`constructor(address _factoryV2, address _deployer, address _factoryV3, address _positionManager, address _stableFactory, address _stableInfo, address _WETH9) public`