Hey @jinfagang
I have created a repo for the same. Can you check if this help?

  
      
      GitHub
  
  
    

Rapternmn/PyTorch-Onnx-Tensorrt 67

A set of tool which would make your life easier with Tensorrt and Onnxruntime. This Repo is designed for YoloV3 - Rapternmn/PyTorch-Onnx-Tensorrt