diff --git a/deepmd/pt/model/descriptor/se_atten.py b/deepmd/pt/model/descriptor/se_atten.py
index 099fbc42a4..d573ba9b7f 100644
--- a/deepmd/pt/model/descriptor/se_atten.py
+++ b/deepmd/pt/model/descriptor/se_atten.py
@@ -475,13 +475,13 @@ def forward(
         nt = extended_atype_embd.shape[-1]
         atype_tebd_ext = extended_atype_embd
         # nb x (nloc x nnei) x nt
-        index = nlist_copy.reshape(nb, nloc * nnei).unsqueeze(-1).expand(-1, -1, nt)
+        index = nlist.reshape(nb, nloc * nnei).unsqueeze(-1).expand(-1, -1, nt)
         # nb x (nloc x nnei) x nt
         atype_tebd_nlist = torch.gather(atype_tebd_ext, dim=1, index=index)
         # nb x nloc x nnei x nt
         atype_tebd_nlist = atype_tebd_nlist.view(nb, nloc, nnei, nt)
         # (nb x nloc) x nnei
-        exclude_mask = self.emask(nlist_copy, extended_atype).view(nb * nloc, nnei)
+        exclude_mask = self.emask(nlist, extended_atype).view(nb * nloc, nnei)
         if self.old_impl:
             assert self.filter_layers_old is not None
             dmatrix = dmatrix.view(