diff --git a/rt-thread-version/rt-thread-standard/tutorial/smart-car/darknet-yolov2/darknet-yolov2.md b/rt-thread-version/rt-thread-standard/tutorial/smart-car/darknet-yolov2/darknet-yolov2.md
index a0624fe69b3ecd083499c7cb8dfc08f16a0683fe..47e339738cf54a32c2a8708827e46625a66baba8 100644
--- a/rt-thread-version/rt-thread-standard/tutorial/smart-car/darknet-yolov2/darknet-yolov2.md
+++ b/rt-thread-version/rt-thread-standard/tutorial/smart-car/darknet-yolov2/darknet-yolov2.md
@@ -180,7 +180,7 @@ for pathAndFilename in glob.iglob(os.path.join(current_dir, "*.jpg")):
 
 ### 1.4 参考文献
 
-- [荔枝丹 Dan Dock (K210)](https://wiki.sipeed.com/en/maix/board/dock.html)
+- [荔枝丹 Dan Dock (K210)](https://en.wiki.sipeed.com/soft/maixpy/zh/develop_kit_board/maix_dock.html)
 - [训练自己的 Darknet Yolov2 模型](https://timebutt.github.io/static/how-to-train-yolov2-to-detect-custom-objects/)
 
 ## 2 训练模型