Update README.md

README.md

@@ -46,6 +46,7 @@
 | Phicomm-k2p    | [📥](https://op.supes.top/firmware/phicomm-k2p/)    | 闪存布局请使用默认的公版     |
 | K2p-32m-usb    | [📥](https://op.supes.top/firmware/k2p-32m-usb/)    | 闪存布局请使用默认的公版     |
 | NanoPi-r2s     | [📥](https://op.supes.top/firmware/nanopi-r2s/)     | 默认交换了网口,靠近电源口的是WAN口   |
+| Rpi-4B       | [📥](/www/wwwroot/op.supes.top/firmware/Rpi-4B/)      |                                      |
 | Newifi-d2      | [📥](https://op.supes.top/firmware/newifi-d2/)      |                                      |
 | Hiwifi-hc5962  | [📥](https://op.supes.top/firmware/hiwifi-hc5962/)  |                                      |
 | Xiaomi-r3p     | [📥](https://op.supes.top/firmware/xiaomi-r3p/)     |                                      |