diff --git a/app.py b/app.py
index fd885b5..758ba93 100644
--- a/app.py
+++ b/app.py
@@ -122,6 +122,9 @@ def worker(id,source,region=None,stream=False):
             
             count += 1
             names = {}
+            # 检查 "xyxy" 键是否为 None
+            if ball.get("xyxy") is None:
+                ball["xyxy"] = []
             for xyxy,_, confidence, class_id,tracker_id in detections:
                 name = model.model.names[class_id]
                 if name in names:
@@ -130,7 +133,8 @@ def worker(id,source,region=None,stream=False):
                 ball =  balls.get(name,{})
                 # ball["tkid"] = int(tracker_id)
                 ball["conf"] = round(float(confidence), 2)
-                ball["xyxy"] = [int(xyxy[0]), int(xyxy[1]), int(xyxy[2]), int(xyxy[3])]
+                site = [int(xyxy[0]), int(xyxy[1]), int(xyxy[2]), int(xyxy[3])]
+                ball["xyxy"].append(site)
                 ball["count"] = ball.get("count",0) + 1
                 if region - count < 3:
                     ball["final"] = ball.get("final",0) + 1