diff --git a/README.md b/README.md
index 5394d45..852bc62 100644
--- a/README.md
+++ b/README.md
@@ -15,11 +15,13 @@
 ## 大模型技术的重要特性与发展趋势
 <video src="https://qy-obs-6d58.obs.cn-north-4.myhuaweicloud.com/%E8%AF%BE%E7%A8%8B%E8%A7%86%E9%A2%91/%E5%A4%A7%E6%A8%A1%E5%9E%8B%E6%8A%80%E6%9C%AF%E7%9A%84%E9%87%8D%E8%A6%81%E7%89%B9%E6%80%A7%E4%B8%8E%E5%8F%91%E5%B1%95%E8%B6%8B%E5%8A%BF-%E5%88%98%E7%9F%A5%E8%BF%9C%E8%80%81%E5%B8%88-1201_DeWatermark.mp4
 " width="800px" height="600px" controls="controls"></video>
-
+[大模型技术的重要特性与发展趋势](https://qy-obs-6d58.obs.cn-north-4.myhuaweicloud.com/%E8%AF%BE%E7%A8%8B%E8%A7%86%E9%A2%91/2.%E5%A4%A7%E6%A8%A1%E5%9E%8B%E6%8A%80%E6%9C%AF%E7%9A%84%E9%87%8D%E8%A6%81%E7%89%B9%E6%80%A7%E4%B8%8E%E5%8F%91%E5%B1%95%E8%B6%8B%E5%8A%BF-PPT.pdf)
+                 
 ## 大语言模型的适配与对齐技术
 <video src="https://qy-obs-6d58.obs.cn-north-4.myhuaweicloud.com/%E8%AF%BE%E7%A8%8B%E8%A7%86%E9%A2%91/2023-12-22-%E5%A4%A7%E8%AF%AD%E8%A8%80%E6%A8%A1%E5%9E%8B%E7%9A%84%E9%80%82%E9%85%8D%E4%B8%8E%E5%AF%B9%E9%BD%90%E6%8A%80%E6%9C%AF-%E4%B8%81%E5%AE%81_DeWatermark.mp4
 " width="800px" height="600px" controls="controls"></video>
-
+[大语言模型的适配与对齐技术](https://qy-obs-6d58.obs.cn-north-4.myhuaweicloud.com/%E8%AF%BE%E7%A8%8B%E8%A7%86%E9%A2%91/3.%E5%A4%A7%E8%AF%AD%E8%A8%80%E6%A8%A1%E5%9E%8B%E7%9A%84%E9%80%82%E9%85%8D%E4%B8%8E%E5%AF%B9%E9%BD%90%E6%8A%80%E6%9C%AF-PPT.pdf)
+                  
 ## 大模型领域适配原理与实战
 <video src="https://qy-obs-6d58.obs.cn-north-4.myhuaweicloud.com/%E8%AF%BE%E7%A8%8B%E8%A7%86%E9%A2%91/2023-12-29%E5%A4%A7%E6%A8%A1%E5%9E%8B%E9%A2%86%E5%9F%9F%E9%80%82%E9%85%8D%E5%8E%9F%E7%90%86%E4%B8%8E%E5%AE%9E%E6%88%98-%E7%8E%8B%E7%A1%95_DeWatermark.mp4
 " width="800px" height="600px" controls="controls"></video>