diff --git a/configs/det/ch_PP-OCRv3/ch_PP-OCRv3_det_cml.yml b/configs/det/ch_PP-OCRv3/ch_PP-OCRv3_det_cml.yml
index 6eb3c9edd6778a07248a2b20a8a78b24b7318c2f..3b5ab51b6967efbcfaf0f50599164e2545cc1b89 100644
--- a/configs/det/ch_PP-OCRv3/ch_PP-OCRv3_det_cml.yml
+++ b/configs/det/ch_PP-OCRv3/ch_PP-OCRv3_det_cml.yml
@@ -4,12 +4,11 @@ Global:
   epoch_num: 500
   log_smooth_window: 20
   print_batch_step: 10
-  save_model_dir: ./output/ch_PP-OCR_V3/
+  save_model_dir: ./output/ch_PP-OCR_v3_det/
   save_epoch_step: 100
   eval_batch_step:
   - 0
   - 400
-  load_static_weights: false
   cal_metric_during_train: false
   pretrained_model: null
   checkpoints: null
@@ -137,6 +136,7 @@ Train:
         img_mode: BGR
         channel_first: false
     - DetLabelEncode: null
+    - CopyPaste:
     - IaaAugment:
         augmenter_args:
         - type: Fliplr
diff --git a/configs/det/ch_PP-OCRv3/ch_PP-OCRv3_det_student.yml b/configs/det/ch_PP-OCRv3/ch_PP-OCRv3_det_student.yml
index 1d53d062dafeb414d109d48bc741dd2a1efbb63c..696e8a2168511f683d12e9cc2e57d61003e2de95 100644
--- a/configs/det/ch_PP-OCRv3/ch_PP-OCRv3_det_student.yml
+++ b/configs/det/ch_PP-OCRv3/ch_PP-OCRv3_det_student.yml
@@ -4,12 +4,11 @@ Global:
   epoch_num: 500
   log_smooth_window: 20
   print_batch_step: 10
-  save_model_dir: ./output/ch_PP-OCR_V3/
+  save_model_dir: ./output/ch_PP-OCR_V3_det/
   save_epoch_step: 100
   eval_batch_step:
   - 0
   - 400
-  load_static_weights: false
   cal_metric_during_train: false
   pretrained_model: null
   checkpoints: null
diff --git a/ppocr/modeling/heads/det_db_head.py b/ppocr/modeling/heads/det_db_head.py
index 997d68e0f05db5ba2d7787af543cc3141eb94803..2d94555aeb9ef61c25a014fd4c20f468292ee90c 100644
--- a/ppocr/modeling/heads/det_db_head.py
+++ b/ppocr/modeling/heads/det_db_head.py
@@ -66,7 +66,7 @@ class Head(nn.Layer):
         self.conv3 = nn.Conv2DTranspose(
             in_channels=in_channels // 4,
             out_channels=1,
-            kernel_size=kernel_size[1],
+            kernel_size=kernel_size[2],
             stride=2,
             weight_attr=ParamAttr(
                 initializer=paddle.nn.initializer.KaimingUniform()),
diff --git a/ppocr/modeling/necks/db_fpn.py b/ppocr/modeling/necks/db_fpn.py
index be66a65fcc8efa573cd6227833080d5a3586297a..c78f11040d49c854f880fc44b4c03d91e8123303 100644
--- a/ppocr/modeling/necks/db_fpn.py
+++ b/ppocr/modeling/necks/db_fpn.py
@@ -20,7 +20,7 @@ import paddle
 from paddle import nn
 import paddle.nn.functional as F
 from paddle import ParamAttr
-
+import os
 __dir__ = os.path.dirname(os.path.abspath(__file__))
 sys.path.append(__dir__)
 sys.path.insert(0, os.path.abspath(os.path.join(__dir__, '../../..')))