diff --git a/configs/person_shoe_two_stage_workshoe_alarm_v8s_shoe640.json b/configs/person_shoe_two_stage_workshoe_alarm_v8s_shoe640.json
new file mode 100644
index 0000000..b0cbdb7
--- /dev/null
+++ b/configs/person_shoe_two_stage_workshoe_alarm_v8s_shoe640.json
@@ -0,0 +1,246 @@
+{
+  "queue": {
+    "size": 8,
+    "strategy": "drop_oldest"
+  },
+  "graphs": [
+    {
+      "name": "person_shoe_two_stage_workshoe_alarm_v8s_shoe640",
+      "executor": {
+        "batch_size": 2,
+        "run_budget": 8
+      },
+      "nodes": [
+        {
+          "id": "in",
+          "type": "input_rtsp",
+          "role": "source",
+          "enable": true,
+          "url": "rtsp://10.0.0.49:8554/cam",
+          "fps": 30,
+          "width": 1920,
+          "height": 1080,
+          "use_ffmpeg": true,
+          "use_mpp": false,
+          "force_tcp": true
+        },
+        {
+          "id": "pre_rgb",
+          "type": "preprocess",
+          "role": "filter",
+          "enable": true,
+          "dst_w": 1920,
+          "dst_h": 1080,
+          "dst_format": "rgb",
+          "dst_packed": true,
+          "resize_mode": "stretch",
+          "rga_gate": "person_shoe_two_stage_workshoe_alarm_v8s_shoe640",
+          "use_rga": true
+        },
+        {
+          "id": "person_det",
+          "type": "ai_yolo",
+          "role": "filter",
+          "enable": true,
+          "cpu_affinity": [4],
+          "use_rga": true,
+          "rga_gate": "person_shoe_two_stage_workshoe_alarm_v8s_shoe640",
+          "rga_max_inflight": 4,
+          "dst_packed": true,
+          "use_dma_input": true,
+          "infer_fps": 2,
+          "infer_phase_ms": 0,
+          "model_path": "./models/yolov8n-640.rknn",
+          "model_version": "v8",
+          "model_w": 640,
+          "model_h": 640,
+          "num_classes": 80,
+          "conf": 0.35,
+          "nms": 0.45,
+          "class_filter": [0],
+          "bbox_expand": {
+            "enable": true,
+            "class_id": 0,
+            "left": 0.06,
+            "right": 0.06,
+            "top": 0.04,
+            "bottom": 0.16
+          }
+        },
+        {
+          "id": "person_trk",
+          "type": "tracker",
+          "role": "filter",
+          "enable": true,
+          "cpu_affinity": [5],
+          "mode": "bytetrack_lite",
+          "per_class": true,
+          "track_classes": [0],
+          "high_th": 0.55,
+          "low_th": 0.10,
+          "iou_th": 0.3,
+          "max_age_ms": 900,
+          "min_hits": 2
+        },
+        {
+          "id": "shoe_det",
+          "type": "ai_shoe_det",
+          "role": "filter",
+          "enable": true,
+          "cpu_affinity": [6],
+          "use_rga": true,
+          "rga_gate": "person_shoe_two_stage_workshoe_alarm_v8s_shoe640",
+          "rga_max_inflight": 4,
+          "dst_packed": true,
+          "use_dma_input": false,
+          "infer_fps": 2,
+          "infer_phase_ms": 150,
+          "model_path": "./models/yolov8s_shoe_640-rk3588.rknn",
+          "model_w": 640,
+          "model_h": 640,
+          "conf": 0.15,
+          "nms": 0.45,
+          "v8_box_format": "cxcywh",
+          "append_detections": true,
+          "dynamic_roi": {
+            "enable": true,
+            "person_class_id": 0,
+            "shoe_class_id": 1,
+            "debug_roi_class_id": -1,
+            "max_rois": 3,
+            "min_person_height": 60,
+            "x_offset": -0.24,
+            "y_offset": 0.64,
+            "width_scale": 1.48,
+            "height_scale": 0.58
+          }
+        },
+        {
+          "id": "shoe_assoc",
+          "type": "logic_gate",
+          "role": "filter",
+          "enable": true,
+          "cpu_affinity": [6],
+          "mode": "person_shoe_check",
+          "debug": false,
+          "person_shoe_check": {
+            "person_class": 0,
+            "shoe_class": 1,
+            "violation_class": 2,
+            "min_person_score": 0.30,
+            "min_shoe_score": 0.15,
+            "require_person_track_id": true,
+            "attach_person_track_to_shoe": true,
+            "emit_missing_violation": false,
+            "foot_region": {
+              "x_offset": -0.24,
+              "y_offset": 0.64,
+              "width_scale": 1.48,
+              "height_scale": 0.58
+            }
+          }
+        },
+        {
+          "id": "shoe_color",
+          "type": "logic_gate",
+          "role": "filter",
+          "enable": true,
+          "cpu_affinity": [6],
+          "mode": "ppe_boots_check",
+          "anchor_class": 0,
+          "boots_class": 1,
+          "violation_class": 2,
+          "debug": false,
+          "color_check": {
+            "enable": true,
+            "method": "brightness",
+            "dark_threshold": 90,
+            "roi_expand": 1.0
+          }
+        },
+        {
+          "id": "osd",
+          "type": "osd",
+          "role": "filter",
+          "enable": true,
+          "cpu_affinity": [7],
+          "draw_bbox": true,
+          "draw_text": false,
+          "use_rga_bbox": false,
+          "labels": ["person", "shoe", "non_black_shoe"]
+        },
+        {
+          "id": "post",
+          "type": "preprocess",
+          "role": "filter",
+          "enable": true,
+          "cpu_affinity": [7],
+          "dst_w": 1920,
+          "dst_h": 1080,
+          "dst_format": "nv12",
+          "resize_mode": "stretch",
+          "rga_gate": "person_shoe_two_stage_workshoe_alarm_v8s_shoe640",
+          "use_rga": true
+        },
+        {
+          "id": "pub",
+          "type": "publish",
+          "role": "filter",
+          "enable": true,
+          "cpu_affinity": [3],
+          "codec": "h264",
+          "fps": 30,
+          "bitrate_kbps": 2000,
+          "mpp_output_timeout_ms": 50,
+          "mpp_packet_wait_ms": 10,
+          "use_mpp": true,
+          "outputs": [
+            {"proto": "rtsp_server", "port": 8555, "path": "/live/cam1"}
+          ]
+        },
+        {
+          "id": "alarm",
+          "type": "alarm",
+          "role": "sink",
+          "enable": true,
+          "eval_fps": 2,
+          "labels": ["person", "shoe", "non_black_shoe"],
+          "rules": [
+            {
+              "name": "non_compliant_workshoe",
+              "class_ids": [2],
+              "roi": {"x": 0.0, "y": 0.0, "w": 1.0, "h": 1.0},
+              "min_score": 0.30,
+              "require_track_id": false,
+              "min_duration_ms": 800,
+              "min_hits": 2,
+              "hit_window_ms": 2000,
+              "cooldown_ms": 15000,
+              "per_track_cooldown_ms": 0
+            }
+          ],
+          "actions": {
+            "log": {
+              "enable": true,
+              "level": "info",
+              "include_detections": true,
+              "min_interval_ms": 2000
+            }
+          }
+        }
+      ],
+      "edges": [
+        ["in", "pre_rgb"],
+        ["pre_rgb", "person_det"],
+        ["person_det", "person_trk"],
+        ["person_trk", "shoe_det", {"queue": {"size": 16, "strategy": "drop_oldest"}}],
+        ["shoe_det", "shoe_assoc", {"queue": {"size": 16, "strategy": "drop_oldest"}}],
+        ["shoe_assoc", "shoe_color", {"queue": {"size": 16, "strategy": "drop_oldest"}}],
+        ["shoe_color", "osd", {"queue": {"size": 16, "strategy": "drop_oldest"}}],
+        ["osd", "post", {"queue": {"size": 32, "strategy": "drop_oldest"}}],
+        ["post", "pub", {"queue": {"size": 64, "strategy": "drop_oldest"}}],
+        ["pub", "alarm", {"queue": {"size": 64, "strategy": "drop_oldest"}}]
+      ]
+    }
+  ]
+}