diff --git a/PaddleCV/video/datareader/nonlocal_reader.py b/PaddleCV/video/datareader/nonlocal_reader.py
index 8e13c994dc4e16f0ec0a0ad33ac8b811b94682ec..15c0a849e2b31f2d5a79b3bb3852d5c9f18af67c 100644
--- a/PaddleCV/video/datareader/nonlocal_reader.py
+++ b/PaddleCV/video/datareader/nonlocal_reader.py
@@ -332,7 +332,7 @@ def make_multi_reader(filelist, batch_size, sample_times, is_training, shuffle,
             else:
                 yield sample
         for i in range(len(p_list)):
-            p_list[i].terminate()
-            p_list[i].join()
+            if p_list[i].is_alive():
+                p_list[i].join()
 
     return queue_reader