diff --git a/examples/gcc/README.md b/examples/gcc/README.md
index 6782310a..95cd574f 100644
--- a/examples/gcc/README.md
+++ b/examples/gcc/README.md
@@ -16,7 +16,7 @@ Non-parallel restart random walks are also allowed, you just need to ensure that
 2. When executing the freeze operation, please make sure `epochs=0`.
 
 ## Pretrain
-The dataset for pretrain is provided at this [link](https://pan.baidu.com/#bdlink=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).
+The dataset for pretrain is provided at this [link](https://pan.baidu.com/s/13hVPt8KmOkdDQ_Wf45T4pg?pwd=y2j5).
 
 Please put them on the path `./data`