diff --git a/workflow/vqa_example.json b/workflow/vqa_example.json
deleted file mode 100644
index 5bd5155..0000000
--- a/workflow/vqa_example.json
+++ /dev/null
@@ -1,205 +0,0 @@
-{
-  "last_node_id": 8,
-  "last_link_id": 9,
-  "nodes": [
-    {
-      "id": 7,
-      "type": "LayerUtility: LoadVQAModel",
-      "pos": {
-        "0": 599,
-        "1": 113
-      },
-      "size": {
-        "0": 352.79998779296875,
-        "1": 106
-      },
-      "flags": {},
-      "order": 0,
-      "mode": 0,
-      "inputs": [],
-      "outputs": [
-        {
-          "name": "vqa_model",
-          "type": "VQA_MODEL",
-          "links": [
-            8
-          ],
-          "slot_index": 0,
-          "shape": 3
-        }
-      ],
-      "properties": {
-        "Node name for S&R": "LayerUtility: LoadVQAModel"
-      },
-      "widgets_values": [
-        "blip-vqa-base",
-        "fp16",
-        "cuda"
-      ],
-      "color": "rgba(38, 73, 116, 0.7)"
-    },
-    {
-      "id": 3,
-      "type": "LoadImage",
-      "pos": {
-        "0": 214,
-        "1": 150
-      },
-      "size": {
-        "0": 315,
-        "1": 314
-      },
-      "flags": {},
-      "order": 1,
-      "mode": 0,
-      "inputs": [],
-      "outputs": [
-        {
-          "name": "IMAGE",
-          "type": "IMAGE",
-          "links": [
-            7
-          ],
-          "slot_index": 0,
-          "shape": 3
-        },
-        {
-          "name": "MASK",
-          "type": "MASK",
-          "links": null,
-          "shape": 3
-        }
-      ],
-      "properties": {
-        "Node name for S&R": "LoadImage"
-      },
-      "widgets_values": [
-        "201709_08_2017.jpg",
-        "image"
-      ]
-    },
-    {
-      "id": 8,
-      "type": "LayerUtility: VQAPrompt",
-      "pos": {
-        "0": 599,
-        "1": 287
-      },
-      "size": [
-        350.3710035845893,
-        179.27100631924975
-      ],
-      "flags": {},
-      "order": 2,
-      "mode": 0,
-      "inputs": [
-        {
-          "name": "image",
-          "type": "IMAGE",
-          "link": 7
-        },
-        {
-          "name": "vqa_model",
-          "type": "VQA_MODEL",
-          "link": 8
-        }
-      ],
-      "outputs": [
-        {
-          "name": "text",
-          "type": "STRING",
-          "links": [
-            9
-          ],
-          "shape": 3,
-          "slot_index": 0
-        }
-      ],
-      "properties": {
-        "Node name for S&R": "LayerUtility: VQAPrompt"
-      },
-      "widgets_values": [
-        "{age number} years old {ethnicity} {gender}, weared {garment color} {garment}, {eye color} eyes, {hair style} {hair color} hair, {background} background."
-      ],
-      "color": "rgba(38, 73, 116, 0.7)"
-    },
-    {
-      "id": 4,
-      "type": "ShowText|pysssss",
-      "pos": {
-        "0": 996,
-        "1": 271
-      },
-      "size": [
-        373.7758109354413,
-        191.17457077237475
-      ],
-      "flags": {},
-      "order": 3,
-      "mode": 0,
-      "inputs": [
-        {
-          "name": "text",
-          "type": "STRING",
-          "link": 9,
-          "widget": {
-            "name": "text"
-          }
-        }
-      ],
-      "outputs": [
-        {
-          "name": "STRING",
-          "type": "STRING",
-          "links": null,
-          "shape": 6
-        }
-      ],
-      "properties": {
-        "Node name for S&R": "ShowText|pysssss"
-      },
-      "widgets_values": [
-        "",
-        "8 years old white female, weared green dress, blue eyes, short blonde hair. flowers background."
-      ]
-    }
-  ],
-  "links": [
-    [
-      7,
-      3,
-      0,
-      8,
-      0,
-      "IMAGE"
-    ],
-    [
-      8,
-      7,
-      0,
-      8,
-      1,
-      "VQA_MODEL"
-    ],
-    [
-      9,
-      8,
-      0,
-      4,
-      0,
-      "STRING"
-    ]
-  ],
-  "groups": [],
-  "config": {},
-  "extra": {
-    "ds": {
-      "scale": 1.2100000000000009,
-      "offset": [
-        82.59991056080125,
-        175.82350027651842
-      ]
-    }
-  },
-  "version": 0.4
-}
\ No newline at end of file