update readme

Author: wokaikaixinxin

README.md

@@ -40,6 +40,7 @@ We hope to integrate remote sensing related work based on **MMLab**, especially
 |     |     |     |     |
 | :---: | :---: | :---: | :---: |
 |[Rotated YOLOX (arXiv 2021)](./projects/rotated_yolox/README.md) |[RTMDet (arXiv 2022)](configs/rotated_rtmdet/README.md)  |  [Rotated YOLOMS (TPAMI 2025)](./projects/rotated_yoloms/README.md)    |  [RTDETR (CVPR' 2024)](./projects/rtdetr/README.md)   |
+|  [O2-RTDETR (TGRS 2026)](./projects/rotated_rtdetr/README.md)   |     |     |     |
 
 </details>
 
@@ -56,6 +57,7 @@ We hope to integrate remote sensing related work based on **MMLab**, especially
 | [RTMDet<br>(arXiv 2022)](configs/rotated_rtmdet/README.md) |[Rotated DiffusionDet<br>(ICCV'2023)](./projects/rotated_DiffusionDet/README.md) | [Rotated DINO<br>(ICLR 2023)](./projects/rotated_dino/README.md)  | [OrientedFormer<br>(TGRS' 2024)](projects/OrientedFormer/README.md) | 
 | [RTDETR<br> (CVPR' 2024)](./projects/rtdetr/README.md) | [ReDiffDet base<br>(CVPR'2025)](./projects/GSDet_baseline/README_ReDiffDet_baseline.md)| [GSDet base<br>(IJCAI'2025)](./projects/GSDet_baseline/README_GSDet_baseline.md)|  [Rotated YOLOMS<br>(TPAMI 2025)](./projects/rotated_yoloms/README.md) |
 |  [MessDet<br>(ICCV'2025)](./projects/MessDet/README.md)   | [AMMBA<br>(TGRS'2025)](./projects/AMMBA/README.md) | [RHINO<br>(WACV'2025)](./projects/RHINO/README.md) | [HERO <br>(AAAI'2026)](./projects/HERO/README.md)  |
+|  [O2-RTDETRt<br>(TGRS 2026)](./projects/rotated_rtdetr/README.md)  |     |     |     |
 </details>