diff --git a/example/workflow.json b/example/workflow.json
deleted file mode 100644
index 57e3ef4..0000000
--- a/example/workflow.json
+++ /dev/null
@@ -1,304 +0,0 @@
-{
-  "last_node_id": 15,
-  "last_link_id": 18,
-  "nodes": [
-    {
-      "id": 13,
-      "type": "VHS_VideoCombine",
-      "pos": [
-        1844,
-        232
-      ],
-      "size": [
-        356.3886413574219,
-        640.3886413574219
-      ],
-      "flags": {},
-      "order": 3,
-      "mode": 0,
-      "inputs": [
-        {
-          "name": "images",
-          "type": "IMAGE",
-          "link": 16,
-          "label": "images"
-        },
-        {
-          "name": "audio",
-          "type": "VHS_AUDIO",
-          "link": null,
-          "label": "audio",
-          "slot_index": 1
-        },
-        {
-          "name": "meta_batch",
-          "type": "VHS_BatchManager",
-          "link": null,
-          "label": "meta_batch"
-        }
-      ],
-      "outputs": [
-        {
-          "name": "Filenames",
-          "type": "VHS_FILENAMES",
-          "links": [],
-          "shape": 3,
-          "label": "Filenames",
-          "slot_index": 0
-        }
-      ],
-      "properties": {
-        "Node name for S&R": "VHS_VideoCombine"
-      },
-      "widgets_values": {
-        "frame_rate": 24,
-        "loop_count": 0,
-        "filename_prefix": "AnimateDiff",
-        "format": "video/h264-mp4",
-        "pix_fmt": "yuv420p",
-        "crf": 19,
-        "save_metadata": true,
-        "pingpong": false,
-        "save_output": true,
-        "videopreview": {
-          "hidden": false,
-          "paused": false,
-          "params": {
-            "filename": "AnimateDiff_00009.mp4",
-            "subfolder": "",
-            "type": "output",
-            "format": "video/h264-mp4"
-          }
-        }
-      }
-    },
-    {
-      "id": 4,
-      "type": "LoadImage",
-      "pos": [
-        985,
-        196
-      ],
-      "size": {
-        "0": 315,
-        "1": 314
-      },
-      "flags": {},
-      "order": 0,
-      "mode": 0,
-      "outputs": [
-        {
-          "name": "IMAGE",
-          "type": "IMAGE",
-          "links": [
-            9
-          ],
-          "shape": 3,
-          "label": "IMAGE",
-          "slot_index": 0
-        },
-        {
-          "name": "MASK",
-          "type": "MASK",
-          "links": null,
-          "shape": 3,
-          "label": "MASK"
-        }
-      ],
-      "properties": {
-        "Node name for S&R": "LoadImage"
-      },
-      "widgets_values": [
-        "b.png",
-        "image"
-      ]
-    },
-    {
-      "id": 8,
-      "type": "Echo_LoadModel",
-      "pos": [
-        961,
-        564
-      ],
-      "size": {
-        "0": 315,
-        "1": 146
-      },
-      "flags": {},
-      "order": 1,
-      "mode": 0,
-      "outputs": [
-        {
-          "name": "model",
-          "type": "MODEL",
-          "links": [
-            10
-          ],
-          "shape": 3,
-          "label": "model",
-          "slot_index": 0
-        },
-        {
-          "name": "face_detector",
-          "type": "MODEL",
-          "links": [
-            11
-          ],
-          "shape": 3,
-          "label": "face_detector",
-          "slot_index": 1
-        },
-        {
-          "name": "visualizer",
-          "type": "MODEL",
-          "links": [],
-          "shape": 3,
-          "label": "visualizer"
-        }
-      ],
-      "properties": {
-        "Node name for S&R": "Echo_LoadModel"
-      },
-      "widgets_values": [
-        "stabilityai/sd-vae-ft-mse",
-        true,
-        false
-      ]
-    },
-    {
-      "id": 9,
-      "type": "Echo_Sampler",
-      "pos": [
-        1420,
-        326
-      ],
-      "size": {
-        "0": 315,
-        "1": 454
-      },
-      "flags": {},
-      "order": 2,
-      "mode": 0,
-      "inputs": [
-        {
-          "name": "image",
-          "type": "IMAGE",
-          "link": 9,
-          "label": "image"
-        },
-        {
-          "name": "pipe",
-          "type": "MODEL",
-          "link": 10,
-          "label": "pipe"
-        },
-        {
-          "name": "face_detector",
-          "type": "MODEL",
-          "link": 11,
-          "label": "face_detector"
-        },
-        {
-          "name": "visualizer",
-          "type": "MODEL",
-          "link": null,
-          "label": "visualizer",
-          "slot_index": 3
-        }
-      ],
-      "outputs": [
-        {
-          "name": "image",
-          "type": "IMAGE",
-          "links": [
-            16
-          ],
-          "shape": 3,
-          "label": "image",
-          "slot_index": 0
-        },
-        {
-          "name": "audio",
-          "type": "STRING",
-          "links": [],
-          "shape": 3,
-          "label": "audio",
-          "slot_index": 1
-        },
-        {
-          "name": "frame_rate",
-          "type": "FLOAT",
-          "links": [],
-          "shape": 3,
-          "label": "frame_rate",
-          "slot_index": 2
-        }
-      ],
-      "properties": {
-        "Node name for S&R": "Echo_Sampler"
-      },
-      "widgets_values": [
-        "F:/test/ComfyUI/custom_nodes/ComfyUI_EchoMimic/assets/test_audios/chunnuanhuakai.wav",
-        0,
-        2.5,
-        30,
-        24,
-        16000,
-        0.1,
-        0.5,
-        12,
-        3,
-        120,
-        512,
-        512,
-        true
-      ]
-    }
-  ],
-  "links": [
-    [
-      9,
-      4,
-      0,
-      9,
-      0,
-      "IMAGE"
-    ],
-    [
-      10,
-      8,
-      0,
-      9,
-      1,
-      "MODEL"
-    ],
-    [
-      11,
-      8,
-      1,
-      9,
-      2,
-      "MODEL"
-    ],
-    [
-      16,
-      9,
-      0,
-      13,
-      0,
-      "IMAGE"
-    ]
-  ],
-  "groups": [],
-  "config": {},
-  "extra": {
-    "ds": {
-      "scale": 1.1,
-      "offset": {
-        "0": -532.477294921875,
-        "1": 0.25
-      }
-    }
-  },
-  "version": 0.4
-}
\ No newline at end of file