diff --git a/configs/dota/s2anet_1x_spine.yml b/configs/dota/s2anet_1x_spine.yml
index faa5da94836cbec65145ed0794c318a12b93b28b..6e24d727241f2fd87755bf8f8a53eceac9fc1576 100644
--- a/configs/dota/s2anet_1x_spine.yml
+++ b/configs/dota/s2anet_1x_spine.yml
@@ -21,6 +21,8 @@ S2ANetHead:
   feat_in: 256
   feat_out: 256
   num_classes: 9
-  align_conv_type: 'DCN'  # AlignConv Conv
+  align_conv_type: 'AlignConv'  # AlignConv Conv
   align_conv_size: 3
   use_sigmoid_cls: True
+  reg_loss_weight: [1.0, 1.0, 1.0, 1.0, 1.05]                                                                  
+  cls_loss_weight: [1.05, 1.0] 
diff --git a/ppdet/utils/download.py b/ppdet/utils/download.py
index 4e898b79dbbddd25f56b9e1dc56d8ca197e07ecf..146bfe2a7910f940fad117e0892ae20f9c708a20 100644
--- a/ppdet/utils/download.py
+++ b/ppdet/utils/download.py
@@ -95,7 +95,7 @@ DATASETS = {
         '49ce5a9b5ad0d6266163cd01de4b018e', ), ], ['annotations', 'images']),
     'spine_coco': ([(
         'https://paddledet.bj.bcebos.com/data/spine_coco.tar',
-        '03030f42d9b6202a6e425d4becefda0d', ), ], ['annotations', 'images']),
+        '7ed69ae73f842cd2a8cf4f58dc3c5535', ), ], ['annotations', 'images']),
     'mot': (),
     'objects365': ()
 }