diff --git a/ppocr/losses/distillation_loss.py b/ppocr/losses/distillation_loss.py
index 73d3ae2ad2499607f897a102f6ea25e4cb7f297f..06aa7fa8458a5deece75f1393fe7300e8227d3ca 100644
--- a/ppocr/losses/distillation_loss.py
+++ b/ppocr/losses/distillation_loss.py
@@ -112,7 +112,7 @@ class DistillationDMLLoss(DMLLoss):
                     if isinstance(loss, dict):
                         for key in loss:
                             loss_dict["{}_{}_{}_{}_{}".format(key, pair[
-                                0], pair[1], map_name, idx)] = loss[key]
+                                0], pair[1], self.maps_name, idx)] = loss[key]
                     else:
                         loss_dict["{}_{}_{}".format(self.name, self.maps_name[
                             _c], idx)] = loss