diff --git a/ppocr/losses/det_basic_loss.py b/ppocr/losses/det_basic_loss.py
index ef656e8c77de5d1bfa66d55ea2d7f68a9f7217ec..57b3667d9f32a871f748c40a65429551613991ca 100644
--- a/ppocr/losses/det_basic_loss.py
+++ b/ppocr/losses/det_basic_loss.py
@@ -45,7 +45,6 @@ class BalanceLoss(nn.Layer):
         self.balance_loss = balance_loss
         self.main_loss_type = main_loss_type
         self.negative_ratio = negative_ratio
-        self.main_loss_type = main_loss_type
         self.return_origin = return_origin
         self.eps = eps