add sort

app.py

@@ -197,6 +197,7 @@ def generate_image(face_image, pose_image, prompt, negative_prompt, style_name,
     if len(face_info) == 0:
         raise gr.Error(f"Cannot find any face in the image! Please upload another person image")
     
+    face_info = sorted(face_info, key=lambda x:(x['bbox'][2]-x['bbox'][0])*x['bbox'][3]-x['bbox'][1])[-1]  # only use the maximum face
     face_info = face_info[-1]
     face_emb = face_info['embedding']
     face_kps = draw_kps(convert_from_cv2_to_image(face_image_cv2), face_info['kps'])