diff --git a/paddlespeech/audio/utils/tensor_utils.py b/paddlespeech/audio/utils/tensor_utils.py
index 44dcb52e..e9008f17 100644
--- a/paddlespeech/audio/utils/tensor_utils.py
+++ b/paddlespeech/audio/utils/tensor_utils.py
@@ -237,7 +237,7 @@ def st_reverse_pad_list(ys_pad: paddle.Tensor,
     #   >>> r_hyps = reverse_pad_list(r_hyps, r_hyps_lens, float(self.ignore_id))
     #   >>> r_hyps, _ = add_sos_eos(r_hyps, self.sos, self.eos, self.ignore_id)
     B = ys_pad.shape[0]
-    _sos = paddle.ones([B, 1], dtype=ys_pad.dtype) * sos
+    _sos = paddle.full([B, 1], sos, dtype=ys_pad.dtype)
     max_len = paddle.max(ys_lens)
     index_range = paddle.arange(0, max_len, 1)
     seq_len_expand = ys_lens.unsqueeze(1)
@@ -279,6 +279,7 @@ def st_reverse_pad_list(ys_pad: paddle.Tensor,
     #   >>> tensor([[3, 2, 1],
     #   >>>         [4, 8, 9],
     #   >>>         [2, 2, 2]])
+    eos = paddle.full([1], eos, dtype=r_hyps.dtype)
     r_hyps = paddle.where(seq_mask, r_hyps, eos)
     #   >>> r_hyps
     #   >>> tensor([[3, 2, 1],
diff --git a/paddlespeech/s2t/io/dataloader.py b/paddlespeech/s2t/io/dataloader.py
index 4cc8274f..5ba891c3 100644
--- a/paddlespeech/s2t/io/dataloader.py
+++ b/paddlespeech/s2t/io/dataloader.py
@@ -361,7 +361,7 @@ class DataLoaderFactory():
             elif mode == 'valid':
                 config['manifest'] = config.dev_manifest
                 config['train_mode'] = False
-            elif model == 'test' or mode == 'align':
+            elif mode == 'test' or mode == 'align':
                 config['manifest'] = config.test_manifest
                 config['train_mode'] = False
                 config['dither'] = 0.0