diff --git a/deploy/pipeline/pphuman/mtmct.py b/deploy/pipeline/pphuman/mtmct.py
index 9c434903c6ff237cb8965c19df52e1eef5776965..b06aec41dfca55daa74d3b348bf487ed99972f72 100644
--- a/deploy/pipeline/pphuman/mtmct.py
+++ b/deploy/pipeline/pphuman/mtmct.py
@@ -118,6 +118,7 @@ def save_mtmct_vis_results(camera_results, captures, output_dir,
     for idx, video_file in enumerate(captures):
         capture = cv2.VideoCapture(video_file)
         cid = camera_ids[idx]
+
         basename = os.path.basename(video_file)
         video_out_name = "vis_" + basename
         out_path = os.path.join(save_dir, video_out_name)
@@ -151,16 +152,22 @@ def save_mtmct_vis_results(camera_results, captures, output_dir,
                 tid_list = multi_res.keys()  # c0_t1, c0_t2...
                 all_attr_result = [multi_res[i]["attrs"]
                                    for i in tid_list]  # all cid_tid result
+
                 if any(
                         all_attr_result
                 ):  # at least one cid_tid[attrs] is not None will goes to attrs_vis
                     attr_res = []
+                    cid_str = 'c' + str(cid - 1) + "_"
                     for k in tid_list:
+                        if not k.startswith(cid_str):
+                            continue
                         if (frame_id - 1) >= len(multi_res[k]['attrs']):
                             t_attr = None
                         else:
                             t_attr = multi_res[k]['attrs'][frame_id - 1]
                             attr_res.append(t_attr)
+
+                    assert len(attr_res) == len(boxes)
                     image = visualize_attr(
                         image, attr_res, boxes, is_mtmct=True)
 
@@ -347,7 +354,7 @@ def res2dict(multi_res):
         for tid, res in c_res.items():
             key = "c" + str(cid) + "_t" + str(tid)
             if key not in cid_tid_dict:
-                if len(res["features"])==0:
+                if len(res["features"]) == 0:
                     continue
                 cid_tid_dict[key] = res
                 cid_tid_dict[key]['mean_feat'] = distill_idfeat(res)