diff --git a/README.md b/README.md
index 30bc46b..dd377e7 100644
--- a/README.md
+++ b/README.md
@@ -73,7 +73,7 @@ We provide an example of transferred input files, `input_surface.npy` and `input
 
 `input_surface.npy`: [Google drive](https://drive.google.com/file/d/1pj8QEVNpC1FyJfUabDpV4oU3NpSe0BkD/view?usp=share_link)/[Baidu netdisk](https://pan.baidu.com/s/1i4o5i8guAqmOus6PWncAlA?pwd=4z9s)
 
-`input_upper.npy`: [Google drive](https://drive.google.com/file/d/1--7xEBJt79E3oixizr8oFmK_haDE77SS/view?usp=share_link)/[Baidu netdisk] (https://pan.baidu.com/s/1mS8X5MqEdbVfF2u2Us62FQ?pwd=sgx6)
+`input_upper.npy`: [Google drive](https://drive.google.com/file/d/1--7xEBJt79E3oixizr8oFmK_haDE77SS/view?usp=share_link)/[Baidu netdisk](https://pan.baidu.com/s/1mS8X5MqEdbVfF2u2Us62FQ?pwd=sgx6)
 
 #### Inference