diff --git a/ppocr/data/imaug/label_ops.py b/ppocr/data/imaug/label_ops.py
index f2f3e48..8dcfdfe 100644
--- a/ppocr/data/imaug/label_ops.py
+++ b/ppocr/data/imaug/label_ops.py
@@ -1296,7 +1296,8 @@ class MultiLabelEncode(BaseRecLabelEncode):
             )
 
     def __call__(self, data):
-        print(data)
+        data_copy = copy.copy(data)
+        print(data_copy)
         data_ctc = copy.deepcopy(data)
         data_gtc = copy.deepcopy(data)
         data_out = dict()