diff --git a/configs/solov2/README.md b/configs/solov2/README.md
index 7c4e0cf4e2e4d9909953d084185d756bce894235..ee39c58473240c045c932bc1c664b4ce206f31d0 100644
--- a/configs/solov2/README.md
+++ b/configs/solov2/README.md
@@ -12,17 +12,17 @@ SOLOv2 (Segmenting Objects by Locations) is a fast instance segmentation framewo
 
 ## Model Zoo
 
-| Backbone                | Multi-scale training  | Lr schd | Inf time (V100) | Mask AP |         Download                  | Configs |
+| Backbone                | Multi-scale training  | Lr schd | V100 FP32(FPS) | Mask AP |         Download                  | Configs |
 | :---------------------: | :-------------------: | :-----: | :------------: | :-----: | :---------: | :------------------------: |
-| Mobilenetv3-FPN                 |  True                |   3x    |     20.0ms          |  30.0   | [model](https://paddlemodels.bj.bcebos.com/object_detection/solov2_mobilenetv3_fpn_448_3x.pdparams) | [config](https://github.com/PaddlePaddle/PaddleDetection/tree/master/configs/solov2/solov2_mobilenetv3_fpn_448_3x.yml) |
-| R50-FPN                 |  False                |   1x    |     45.7ms          |  35.6   | [model](https://paddlemodels.bj.bcebos.com/object_detection/solov2_r50_fpn_1x.pdparams) | [config](https://github.com/PaddlePaddle/PaddleDetection/tree/master/configs/solov2/solov2_r50_fpn_1x.yml) |
-| R50-FPN                 |  True                |   3x    |     45.7ms          |  37.9   | [model](https://paddlemodels.bj.bcebos.com/object_detection/solov2_r50_fpn_3x.pdparams) | [config](https://github.com/PaddlePaddle/PaddleDetection/tree/master/configs/solov2/solov2_r50_fpn_3x.yml) |
-| R101-VD-FPN                 |  True               |   3x    |     82.6ms       |  42.6   | [model](https://paddlemodels.bj.bcebos.com/object_detection/solov2_r101_vd_fpn_3x.pdparams) | [config](https://github.com/PaddlePaddle/PaddleDetection/tree/master/configs/solov2/solov2_r101_vd_fpn_3x.yml) |
+| Mobilenetv3-FPN                 |  True                |   3x    |     50          |  30.0   | [model](https://paddlemodels.bj.bcebos.com/object_detection/solov2_mobilenetv3_fpn_448_3x.pdparams) | [config](https://github.com/PaddlePaddle/PaddleDetection/tree/master/configs/solov2/solov2_mobilenetv3_fpn_448_3x.yml) |
+| R50-FPN                 |  False                |   1x    |     21.9          |  35.6   | [model](https://paddlemodels.bj.bcebos.com/object_detection/solov2_r50_fpn_1x.pdparams) | [config](https://github.com/PaddlePaddle/PaddleDetection/tree/master/configs/solov2/solov2_r50_fpn_1x.yml) |
+| R50-FPN                 |  True                |   3x    |     21.9          |  37.9   | [model](https://paddlemodels.bj.bcebos.com/object_detection/solov2_r50_fpn_3x.pdparams) | [config](https://github.com/PaddlePaddle/PaddleDetection/tree/master/configs/solov2/solov2_r50_fpn_3x.yml) |
+| R101-VD-FPN                 |  True               |   3x    |     12.1       |  42.6   | [model](https://paddlemodels.bj.bcebos.com/object_detection/solov2_r101_vd_fpn_3x.pdparams) | [config](https://github.com/PaddlePaddle/PaddleDetection/tree/master/configs/solov2/solov2_r101_vd_fpn_3x.yml) |
 
 ## Enhanced model
-| Backbone                | Input size  | Lr schd | Inf time (V100) | Mask AP |         Download                  | Configs |
+| Backbone                | Input size  | Lr schd | V100 FP32(FPS) | Mask AP |         Download                  | Configs |
 | :---------------------: | :-------------------: | :-----: | :------------: | :-----: | :---------: | :------------------------: |
-| Light-R50-VD-DCN-FPN          |  512     |   3x    |     25.9ms          |  38.8   | [model](https://paddlemodels.bj.bcebos.com/object_detection/solov2_light_r50_vd_fpn_dcn_512_3x.pdparams) | [config](https://github.com/PaddlePaddle/PaddleDetection/tree/master/configs/solov2/solov2_light_r50_vd_fpn_dcn_512_3x.yml) |
+| Light-R50-VD-DCN-FPN          |  512     |   3x    |     38.6          |  38.8   | [model](https://paddlemodels.bj.bcebos.com/object_detection/solov2_light_r50_vd_fpn_dcn_512_3x.pdparams) | [config](https://github.com/PaddlePaddle/PaddleDetection/tree/master/configs/solov2/solov2_light_r50_vd_fpn_dcn_512_3x.yml) |
 
 ## Citations
 ```
diff --git a/deploy/python/infer.py b/deploy/python/infer.py
index 7921a6c7d127edd019721c873277b26c70944c25..33f29a7b74bbdbcfb8b3ee0feb5cb59db78ba8f6 100644
--- a/deploy/python/infer.py
+++ b/deploy/python/infer.py
@@ -41,7 +41,7 @@ SUPPORT_MODELS = {
 }
 
 
-class Detector():
+class Detector(object):
     """
     Args:
         config (object): config of model, defined by `Config(model_dir)`
diff --git a/ppdet/utils/export_utils.py b/ppdet/utils/export_utils.py
index bca35c6c4d5f65d57095dafa9771ee7b1a5191e0..d98861d4a7f71b109eb0a031cbd3201aca02caab 100644
--- a/ppdet/utils/export_utils.py
+++ b/ppdet/utils/export_utils.py
@@ -38,7 +38,7 @@ TRT_MIN_SUBGRAPH = {
     'Face': 3,
     'TTFNet': 3,
     'FCOS': 3,
-    'SOLOv2': 3,
+    'SOLOv2': 60,
 }
 RESIZE_SCALE_SET = {
     'RCNN',