diff --git a/demo/car.jpg b/demo/car.jpg
index 409787b597b3e171a8755e8a1f9e4b874269a732..eeacfe5914a3029b0c4b4bfcb6b87ebd1f95b6ed 100644
Binary files a/demo/car.jpg and b/demo/car.jpg differ
diff --git a/deploy/pipeline/config/examples/infer_cfg_illegal_parking.yml b/deploy/pipeline/config/examples/infer_cfg_illegal_parking.yml
index a8e7d85d4255fcff3ac31cfc329c854e4b3dd180..d19bdf3d4652251668105015b72fdc6eacf6b628 100644
--- a/deploy/pipeline/config/examples/infer_cfg_illegal_parking.yml
+++ b/deploy/pipeline/config/examples/infer_cfg_illegal_parking.yml
@@ -11,7 +11,7 @@ MOT:
 VEHICLE_PLATE:
   det_model_dir: https://bj.bcebos.com/v1/paddledet/models/pipeline/ch_PP-OCRv3_det_infer.tar.gz
   det_limit_side_len: 736
-  det_limit_type: "max"
+  det_limit_type: "min"
   rec_model_dir: https://bj.bcebos.com/v1/paddledet/models/pipeline/ch_PP-OCRv3_rec_infer.tar.gz
   rec_image_shape: [3, 48, 320]
   rec_batch_num: 6
diff --git a/deploy/pipeline/config/examples/infer_cfg_vehicle_plate.yml b/deploy/pipeline/config/examples/infer_cfg_vehicle_plate.yml
index bf745f9cc6546abcc450eac6bfc64965d7306a49..9f8d0740a8f41084f3fe37efced9d62227481bc3 100644
--- a/deploy/pipeline/config/examples/infer_cfg_vehicle_plate.yml
+++ b/deploy/pipeline/config/examples/infer_cfg_vehicle_plate.yml
@@ -15,7 +15,7 @@ MOT:
 VEHICLE_PLATE:
   det_model_dir: https://bj.bcebos.com/v1/paddledet/models/pipeline/ch_PP-OCRv3_det_infer.tar.gz
   det_limit_side_len: 736
-  det_limit_type: "max"
+  det_limit_type: "min"
   rec_model_dir: https://bj.bcebos.com/v1/paddledet/models/pipeline/ch_PP-OCRv3_rec_infer.tar.gz
   rec_image_shape: [3, 48, 320]
   rec_batch_num: 6
diff --git a/deploy/pipeline/config/infer_cfg_ppvehicle.yml b/deploy/pipeline/config/infer_cfg_ppvehicle.yml
index c2106d9c09bec0d07adf8fa10732e711940a7adb..e5272ca28427f2f0a1e25beb1e977763b7998bce 100644
--- a/deploy/pipeline/config/infer_cfg_ppvehicle.yml
+++ b/deploy/pipeline/config/infer_cfg_ppvehicle.yml
@@ -16,7 +16,7 @@ MOT:
 VEHICLE_PLATE:
   det_model_dir: https://bj.bcebos.com/v1/paddledet/models/pipeline/ch_PP-OCRv3_det_infer.tar.gz
   det_limit_side_len: 736
-  det_limit_type: "max"
+  det_limit_type: "min"
   rec_model_dir: https://bj.bcebos.com/v1/paddledet/models/pipeline/ch_PP-OCRv3_rec_infer.tar.gz
   rec_image_shape: [3, 48, 320]
   rec_batch_num: 6
diff --git a/deploy/pipeline/pphuman/mtmct.py b/deploy/pipeline/pphuman/mtmct.py
index 8ab72f4a4351d3872f1ae36881fc10f07653eae1..5792e15d239c4bac624336e713a27b399eb32b59 100644
--- a/deploy/pipeline/pphuman/mtmct.py
+++ b/deploy/pipeline/pphuman/mtmct.py
@@ -128,7 +128,7 @@ def save_mtmct_vis_results(camera_results, captures, output_dir,
         height = int(capture.get(cv2.CAP_PROP_FRAME_HEIGHT))
         fps = int(capture.get(cv2.CAP_PROP_FPS))
         frame_count = int(capture.get(cv2.CAP_PROP_FRAME_COUNT))
-        fourcc = cv2.VideoWriter_fourcc(*'mp4v')
+        fourcc = cv2.VideoWriter_fourcc(* 'mp4v')
         writer = cv2.VideoWriter(out_path, fourcc, fps, (width, height))
         frame_id = 0
         while (1):
@@ -148,10 +148,7 @@ def save_mtmct_vis_results(camera_results, captures, output_dir,
 
             # add attr vis
             if multi_res:
-                tid_list = [
-                    'c' + str(idx) + '_' + 't' + str(int(j))
-                    for j in range(1, len(ids) + 1)
-                ]  # c0_t1, c0_t2...
+                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(