Update config.json

config.json

@@ -16,6 +16,7 @@
     "icon": 1
   },
   "image_size": [640, 640],
-  "framework": "pytorch",
-  "model_file": "best1-2.onnx"
-}
+  "framework": "onnx",
+  "model_file": "best1-2.onnx",
+  "export_format": "onnx"
+}