diff --git a/PaddleNLP/emotion_detection/utils.py b/PaddleNLP/emotion_detection/utils.py
index de7ac1eeb8f5212d8383fd6bcb8b42d8bd4957e2..a207557b2d2beb9756aeadada9c37d1a99ee2737 100644
--- a/PaddleNLP/emotion_detection/utils.py
+++ b/PaddleNLP/emotion_detection/utils.py
@@ -59,7 +59,7 @@ def pad_wid(wids, max_seq_len=128, pad_id=0):
             wids.append(pad_id)
     else:
         wids = wids[:max_seq_len]
-    seq_len = max_seq_len
+        seq_len = max_seq_len
     return wids, seq_len