Update README.md

README.md

@@ -9,5 +9,5 @@ Hongsheng Li<sup>1</sup>*
 
 <sup>1</sup>CUHK-MMLab   <sup>2</sup>Peking University   <sup>3</sup>Princeton University
 
-[[Technical Report](https://github.com/G-U-N/Rectified-Diffusion/blob/master/report/Rectified-Diffusion-1009.pdf)]
+[[https://arxiv.org/abs/2410.07303](https://github.com/G-U-N/Rectified-Diffusion/blob/master/report/Rectified-Diffusion-1009.pdf)]
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