diff --git a/configs/textdet/dbnet/README.md b/configs/textdet/dbnet/README.md
index dfa15c28..c6777f76 100644
--- a/configs/textdet/dbnet/README.md
+++ b/configs/textdet/dbnet/README.md
@@ -20,4 +20,4 @@
 |                                 Method                                 |                                                      Pretrained Model                                                      |  Training set   |    Test set    | #epochs | Test size | Recall | Precision | Hmean |                                                                                                                           Download                                                                                                                            |
 | :--------------------------------------------------------------------: | :------------------------------------------------------------------------------------------------------------------------: | :-------------: | :------------: | :-----: | :-------: | :----: | :-------: | :---: | :-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------: |
 | [DBNet_r18](/configs/textdet/dbnet/dbnet_r18_fpnc_1200e_icdar2015.py) |     ImageNet     | ICDAR2015 Train | ICDAR2015 Test |  1200   |    736    | 0.731  |   0.871   | 0.795 | [model](https://download.openmmlab.com/mmocr/textdet/dbnet/dbnet_r18_fpnc_sbn_1200e_icdar2015_20210329-ba3ab597.pth) \| [log](https://download.openmmlab.com/mmocr/textdet/dbnet/dbnet_r18_fpnc_sbn_1200e_icdar2015_20210329-ba3ab597.log.json) |
-| [DBNet_r50dcn](/configs/textdet/dbnet/dbnet_r50dcnv2_fpnc_1200e_icdar2015.py) | [Synthtext](https://download.openmmlab.com/mmocr/textdet/dbnet/dbnet_r50dcnv2_fpnc_sbn_2e_synthtext_20210325-aa96e477.pth) | ICDAR2015 Train | ICDAR2015 Test |  1200   |   1024    | 0.796  |   0.866   | 0.830 | [model](https://download.openmmlab.com/mmocr/textdet/dbnet/dbnet_r50dcnv2_fpnc_sbn_1200e_icdar2015_20210325-91cef9af.pth) \| [log](https://download.openmmlab.com/mmocr/textdet/dbnet/dbnet_r50dcnv2_fpnc_sbn_1200e_icdar2015_20210325-91cef9af.log.json) |
+| [DBNet_r50dcn](/configs/textdet/dbnet/dbnet_r50dcnv2_fpnc_1200e_icdar2015.py) | [Synthtext](https://download.openmmlab.com/mmocr/textdet/dbnet/dbnet_r50dcnv2_fpnc_sbn_2e_synthtext_20210325-aa96e477.pth) | ICDAR2015 Train | ICDAR2015 Test |  1200   |   1024    | 0.814  |   0.868   | 0.840 | [model](https://download.openmmlab.com/mmocr/textdet/dbnet/dbnet_r50dcnv2_fpnc_sbn_1200e_icdar2015_20211025-9fe3b590.pth) \| [log](https://download.openmmlab.com/mmocr/textdet/dbnet/dbnet_r50dcnv2_fpnc_sbn_1200e_icdar2015_20211025-9fe3b590.log.json) |
diff --git a/configs/textdet/dbnet/dbnet_r50dcnv2_fpnc_1200e_icdar2015.py b/configs/textdet/dbnet/dbnet_r50dcnv2_fpnc_1200e_icdar2015.py
index 91d76253..79291e16 100644
--- a/configs/textdet/dbnet/dbnet_r50dcnv2_fpnc_1200e_icdar2015.py
+++ b/configs/textdet/dbnet/dbnet_r50dcnv2_fpnc_1200e_icdar2015.py
@@ -29,12 +29,9 @@ model = dict(
 
 dataset_type = 'IcdarDataset'
 data_root = 'data/icdar2015/'
-# img_norm_cfg = dict(
-#    mean=[123.675, 116.28, 103.53], std=[58.395, 57.12, 57.375], to_rgb=True)
-# from official dbnet code
 img_norm_cfg = dict(
     mean=[122.67891434, 116.66876762, 104.00698793],
-    std=[255, 255, 255],
+    std=[58.395, 57.12, 57.375],
     to_rgb=False)
 # for visualizing img, pls uncomment it.
 # img_norm_cfg = dict(mean=[0, 0, 0], std=[1, 1, 1], to_rgb=True)
diff --git a/configs/textdet/dbnet/metafile.yml b/configs/textdet/dbnet/metafile.yml
index c93c9dbc..597fe42e 100644
--- a/configs/textdet/dbnet/metafile.yml
+++ b/configs/textdet/dbnet/metafile.yml
@@ -36,5 +36,5 @@ Models:
       - Task: Text Detection
         Dataset: ICDAR2015
         Metrics:
-          hmean-iou: 0.830
-    Weights: https://download.openmmlab.com/mmocr/textdet/dbnet/dbnet_r50dcnv2_fpnc_sbn_1200e_icdar2015_20210325-91cef9af.pth
+          hmean-iou: 0.840
+    Weights: https://download.openmmlab.com/mmocr/textdet/dbnet/dbnet_r50dcnv2_fpnc_sbn_1200e_icdar2015_20211025-9fe3b590.pth
diff --git a/mmocr/utils/ocr.py b/mmocr/utils/ocr.py
index 898a77fb..62b07ace 100644
--- a/mmocr/utils/ocr.py
+++ b/mmocr/utils/ocr.py
@@ -189,7 +189,7 @@ class MMOCR:
                 'dbnet/dbnet_r50dcnv2_fpnc_1200e_icdar2015.py',
                 'ckpt':
                 'dbnet/'
-                'dbnet_r50dcnv2_fpnc_sbn_1200e_icdar2015_20210325-91cef9af.pth'
+                'dbnet_r50dcnv2_fpnc_sbn_1200e_icdar2015_20211025-9fe3b590.pth'
             },
             'DRRG': {
                 'config':