diff --git a/Qwen_agent.py b/Qwen_agent.py
index 8d57792..9fa5c07 100644
--- a/Qwen_agent.py
+++ b/Qwen_agent.py
@@ -122,6 +122,16 @@ def get_product_description(std_img, track_imgs):
     
     return contrast_pair
 
+def item_analysis(stream_dict):
+    track_imgs = stream_pipeline(stream_dict)
+    std_img = None
+    if stream_dict['goodsPic'] is not None:
+        response = requests.get(stream_dict['goodsPic'])
+        std_img = Image.open(BytesIO(response.content))
+    description_dict = get_product_description(std_img, track_imgs)
+
+    return description_dict
+
 def main():
     # sample input dict
     stream_dict = {
@@ -137,13 +147,8 @@ def main():
         "goodsSpec" : "405g"
     }
     
-    track_imgs = stream_pipeline(stream_dict)
-    std_img = None
-    if stream_dict['goodsPic'] is not None:
-        response = requests.get(stream_dict['goodsPic'])
-        std_img = Image.open(BytesIO(response.content))
-    description_dict = get_product_description(std_img, track_imgs)
-    print(description_dict)
+    result = item_analysis(stream_dict)
+    print(result)
 
 if __name__ == "__main__": 
     main()
\ No newline at end of file
diff --git a/contrast/feat_extract/inference.py b/contrast/feat_extract/inference.py
index 70ff84a..6fb12f1 100644
--- a/contrast/feat_extract/inference.py
+++ b/contrast/feat_extract/inference.py
@@ -108,7 +108,7 @@ class FeatsInterface:
 
             # patch = patch.to(device=self.device).half()
             if str(self.device) != "cpu":
-                patch = patch.to(device=self.device).half()
+                patch = patch.to(device=self.device)
             else:
                 patch = patch.to(device=self.device)
             
diff --git a/track_reid.py b/track_reid.py
index 3687ded..bd6f884 100644
--- a/track_reid.py
+++ b/track_reid.py
@@ -217,7 +217,7 @@ def yolo_resnet_tracker(
                 # Rescale boxes from img_size to im0 size
                 det[:, :4] = scale_boxes(im.shape[2:], det[:, :4], im0.shape).round()
                 
-                # det = det.cpu().numpy()                
+                det = det.cpu().numpy()                
                 ## ================================================================ writed by WQG            
                 '''tracks: [x1, y1, x2, y2, track_id, score, cls, frame_index, box_index]
                             0   1   2   3      4        5     6       7           8
diff --git a/tracking/dotrack/dotracks_back.py b/tracking/dotrack/dotracks_back.py
index d5235f3..40dfbd6 100644
--- a/tracking/dotrack/dotracks_back.py
+++ b/tracking/dotrack/dotracks_back.py
@@ -153,8 +153,8 @@ class doBackTracks(doTracks):
         
         hand_ious = []
         
-        hboxes = np.empty(shape=(0, 9), dtype = np.float)
-        gboxes = np.empty(shape=(0, 9), dtype = np.float)
+        hboxes = np.empty(shape=(0, 9), dtype = float)
+        gboxes = np.empty(shape=(0, 9), dtype = float)
 
         
         # start, end 为索引值，需要 start:(end+1)