diff --git a/funasr/models/campplus/cluster_backend.py b/funasr/models/campplus/cluster_backend.py
index d667f6b90..72d06daff 100644
--- a/funasr/models/campplus/cluster_backend.py
+++ b/funasr/models/campplus/cluster_backend.py
@@ -118,7 +118,7 @@ class UmapHdbscan:
         self.metric = metric
 
     def __call__(self, X):
-        from umap.umap_ import UMAP
+        import umap.umap_ as umap
         umap_X = umap.UMAP(
             n_neighbors=self.n_neighbors,
             min_dist=0.0,