diff --git a/README.md b/README.md
index 81a0701..329d546 100644
--- a/README.md
+++ b/README.md
@@ -28,10 +28,20 @@ VAEs
 
 simple merge and [merge block weighted](https://github.com/bbc-mc/sdweb-merge-block-weighted-gui) (thanks for @bbc-mc)
 
+#### BMW
+
 [workflow link](./examples/workflow_mbw.json)
 
 ![merge block weighted](./examples/workflow_mbw.png)
 
+#### Multi-BMW
+
+BMW with multi-alpha like [supermerger](https://github.com/hako-mikan/sd-webui-supermerger/) (thanks for @hako-mikan)
+
+[workflow link](./examples/workflow_mbw_multi.json)
+
+![multi merge block weighted](./examples/workflow_mbw_multi.png)
+
 ## Node List
 
 ### Latent nodes
@@ -58,6 +68,7 @@ simple merge and [merge block weighted](https://github.com/bbc-mc/sdweb-merge-bl
 |model|Dict2Model|`DICT`, (config_file)|`MODEL`|instantiate a model from given state_dict|
 |model|StateDictMerger|`DICT`, `DICT`, `FLOAT`|`MODEL`, `CLIP`, `VAE`|merge two or three models|
 |model|StateDictMergerBlockWeighted|`DICT`, `DICT`|`DICT`|merge two models with per-block weights|
+|model|StateDictMergerBlockWeightedMulti|`MODEL`, `MODEL`, `STRING`|`MODEL`, `CLIP`, `VAE`|merge two models with per-block weights|
 |model|ModelIter|`MODEL`, `MODEL`|`MODEL`|iterate models|
 |model|CLIPlIter|`CLIP`, `CLIP`|`CLIP`|iterate CLIPs|
 |model|VAElIter|`VAE`, `VAE`|`VAE`|iterate VAEs|
diff --git a/examples/workflow_mbw_multi.json b/examples/workflow_mbw_multi.json
new file mode 100644
index 0000000..1219dc9
--- /dev/null
+++ b/examples/workflow_mbw_multi.json
@@ -0,0 +1,892 @@
+{
+  "last_node_id": 22,
+  "last_link_id": 34,
+  "nodes": [
+    {
+      "id": 13,
+      "type": "EmptyLatentImage",
+      "pos": [
+        780,
+        320
+      ],
+      "size": {
+        "0": 210,
+        "1": 106
+      },
+      "flags": {},
+      "order": 0,
+      "mode": 0,
+      "outputs": [
+        {
+          "name": "LATENT",
+          "type": "LATENT",
+          "links": [
+            12
+          ],
+          "slot_index": 0
+        }
+      ],
+      "properties": {
+        "Node name for S&R": "EmptyLatentImage"
+      },
+      "widgets_values": [
+        512,
+        512,
+        1
+      ]
+    },
+    {
+      "id": 14,
+      "type": "KSamplerXYZ",
+      "pos": [
+        1259,
+        43
+      ],
+      "size": {
+        "0": 210,
+        "1": 154
+      },
+      "flags": {},
+      "order": 12,
+      "mode": 0,
+      "inputs": [
+        {
+          "name": "setting",
+          "type": "DICT",
+          "link": 13
+        },
+        {
+          "name": "model",
+          "type": "MODEL",
+          "link": null
+        },
+        {
+          "name": "seed",
+          "type": "STRING",
+          "link": 14,
+          "widget": {
+            "name": "seed",
+            "config": [
+              "STRING",
+              {
+                "multiline": true,
+                "default": ""
+              }
+            ]
+          }
+        },
+        {
+          "name": "steps",
+          "type": "STRING",
+          "link": null,
+          "widget": {
+            "name": "steps",
+            "config": [
+              "STRING",
+              {
+                "multiline": true,
+                "default": ""
+              }
+            ]
+          }
+        },
+        {
+          "name": "cfg",
+          "type": "STRING",
+          "link": null,
+          "widget": {
+            "name": "cfg",
+            "config": [
+              "STRING",
+              {
+                "multiline": true,
+                "default": ""
+              }
+            ]
+          }
+        },
+        {
+          "name": "sampler_name",
+          "type": "STRING",
+          "link": null,
+          "widget": {
+            "name": "sampler_name",
+            "config": [
+              "STRING",
+              {
+                "multiline": true,
+                "default": ""
+              }
+            ]
+          }
+        },
+        {
+          "name": "scheduler",
+          "type": "STRING",
+          "link": null,
+          "widget": {
+            "name": "scheduler",
+            "config": [
+              "STRING",
+              {
+                "multiline": true,
+                "default": ""
+              }
+            ]
+          }
+        }
+      ],
+      "outputs": [
+        {
+          "name": "LATENT",
+          "type": "LATENT",
+          "links": [
+            15
+          ],
+          "slot_index": 0
+        }
+      ],
+      "properties": {
+        "Node name for S&R": "KSamplerXYZ"
+      },
+      "widgets_values": [
+        "1,2,3,4,5",
+        "",
+        "",
+        "",
+        ""
+      ]
+    },
+    {
+      "id": 15,
+      "type": "PrimitiveNode",
+      "pos": [
+        1016,
+        341
+      ],
+      "size": {
+        "0": 210,
+        "1": 76
+      },
+      "flags": {},
+      "order": 1,
+      "mode": 0,
+      "outputs": [
+        {
+          "name": "STRING",
+          "type": "STRING",
+          "links": [
+            14
+          ],
+          "slot_index": 0,
+          "widget": {
+            "name": "seed",
+            "config": [
+              "STRING",
+              {
+                "multiline": true,
+                "default": ""
+              }
+            ]
+          }
+        }
+      ],
+      "title": "Seeds",
+      "properties": {},
+      "widgets_values": [
+        "1,2,3,4,5"
+      ]
+    },
+    {
+      "id": 16,
+      "type": "VAELoader",
+      "pos": [
+        1261,
+        240
+      ],
+      "size": {
+        "0": 210,
+        "1": 58
+      },
+      "flags": {},
+      "order": 2,
+      "mode": 0,
+      "outputs": [
+        {
+          "name": "VAE",
+          "type": "VAE",
+          "links": [
+            16
+          ],
+          "slot_index": 0
+        }
+      ],
+      "properties": {
+        "Node name for S&R": "VAELoader"
+      },
+      "widgets_values": [
+        "kl-f8-anime2.ckpt"
+      ]
+    },
+    {
+      "id": 12,
+      "type": "KSamplerSetting",
+      "pos": [
+        1014,
+        43
+      ],
+      "size": {
+        "0": 210,
+        "1": 262
+      },
+      "flags": {},
+      "order": 11,
+      "mode": 0,
+      "inputs": [
+        {
+          "name": "model",
+          "type": "MODEL",
+          "link": 32
+        },
+        {
+          "name": "positive",
+          "type": "CONDITIONING",
+          "link": 10
+        },
+        {
+          "name": "negative",
+          "type": "CONDITIONING",
+          "link": 11
+        },
+        {
+          "name": "latent_image",
+          "type": "LATENT",
+          "link": 12
+        }
+      ],
+      "outputs": [
+        {
+          "name": "DICT",
+          "type": "DICT",
+          "links": [
+            13
+          ],
+          "slot_index": 0
+        }
+      ],
+      "properties": {
+        "Node name for S&R": "KSamplerSetting"
+      },
+      "widgets_values": [
+        0,
+        false,
+        15,
+        7,
+        "dpmpp_2m",
+        "karras",
+        1
+      ]
+    },
+    {
+      "id": 8,
+      "type": "CLIPTextEncode",
+      "pos": [
+        767.1699999999993,
+        104.96999999999997
+      ],
+      "size": {
+        "0": 210,
+        "1": 54
+      },
+      "flags": {},
+      "order": 9,
+      "mode": 0,
+      "inputs": [
+        {
+          "name": "clip",
+          "type": "CLIP",
+          "link": 33
+        },
+        {
+          "name": "text",
+          "type": "STRING",
+          "link": 5,
+          "widget": {
+            "name": "text",
+            "config": [
+              "STRING",
+              {
+                "multiline": true
+              }
+            ]
+          }
+        }
+      ],
+      "outputs": [
+        {
+          "name": "CONDITIONING",
+          "type": "CONDITIONING",
+          "links": [
+            10
+          ],
+          "slot_index": 0
+        }
+      ],
+      "properties": {
+        "Node name for S&R": "CLIPTextEncode"
+      },
+      "widgets_values": [
+        "a cute girl in flower garden, \nclear face, \ninsanely frilled white dress, \nabsurdly long brown hair, \nsmile slightly, \nsmall tiara, \nlong sleeves highneck dress"
+      ]
+    },
+    {
+      "id": 10,
+      "type": "CLIPTextEncode",
+      "pos": [
+        768.1699999999993,
+        213.96999999999989
+      ],
+      "size": {
+        "0": 210,
+        "1": 54
+      },
+      "flags": {},
+      "order": 10,
+      "mode": 0,
+      "inputs": [
+        {
+          "name": "clip",
+          "type": "CLIP",
+          "link": 34
+        },
+        {
+          "name": "text",
+          "type": "STRING",
+          "link": 7,
+          "widget": {
+            "name": "text",
+            "config": [
+              "STRING",
+              {
+                "multiline": true
+              }
+            ]
+          }
+        }
+      ],
+      "outputs": [
+        {
+          "name": "CONDITIONING",
+          "type": "CONDITIONING",
+          "links": [
+            11
+          ],
+          "slot_index": 0
+        }
+      ],
+      "properties": {
+        "Node name for S&R": "CLIPTextEncode"
+      },
+      "widgets_values": [
+        "(low quality, worst quality:1.4), \nnsfw, \ndutch angle, \nmoles, \ntan skin, \nopened mouth, \ndetached sleeves"
+      ]
+    },
+    {
+      "id": 9,
+      "type": "PrimitiveNode",
+      "pos": [
+        383,
+        260
+      ],
+      "size": {
+        "0": 350.6499938964844,
+        "1": 189.7899932861328
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+      "flags": {},
+      "order": 3,
+      "mode": 0,
+      "outputs": [
+        {
+          "name": "STRING",
+          "type": "STRING",
+          "links": [
+            5
+          ],
+          "slot_index": 0,
+          "widget": {
+            "name": "text",
+            "config": [
+              "STRING",
+              {
+                "multiline": true
+              }
+            ]
+          }
+        }
+      ],
+      "title": "Prompt",
+      "properties": {},
+      "widgets_values": [
+        "a cute girl in flower garden, \nclear face, \ninsanely frilled white dress, \nabsurdly long brown hair, \nsmile slightly, \nsmall tiara, \nlong sleeves highneck dress"
+      ]
+    },
+    {
+      "id": 11,
+      "type": "PrimitiveNode",
+      "pos": [
+        384,
+        491
+      ],
+      "size": {
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+        "1": 189.7899932861328
+      },
+      "flags": {},
+      "order": 4,
+      "mode": 0,
+      "outputs": [
+        {
+          "name": "STRING",
+          "type": "STRING",
+          "links": [
+            7
+          ],
+          "slot_index": 0,
+          "widget": {
+            "name": "text",
+            "config": [
+              "STRING",
+              {
+                "multiline": true
+              }
+            ]
+          }
+        }
+      ],
+      "title": "Negative prompt",
+      "properties": {},
+      "widgets_values": [
+        "(low quality, worst quality:1.4), \nnsfw, \ndutch angle, \nmoles, \ntan skin, \nopened mouth, \ndetached sleeves"
+      ]
+    },
+    {
+      "id": 19,
+      "type": "PreviewImage",
+      "pos": [
+        1754,
+        42
+      ],
+      "size": {
+        "0": 226.57199096679688,
+        "1": 266.44281005859375
+      },
+      "flags": {},
+      "order": 14,
+      "mode": 0,
+      "inputs": [
+        {
+          "name": "images",
+          "type": "IMAGE",
+          "link": 17
+        }
+      ],
+      "properties": {
+        "Node name for S&R": "PreviewImage"
+      }
+    },
+    {
+      "id": 20,
+      "type": "GridImage",
+      "pos": [
+        1598,
+        371
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+      "size": {
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+      "flags": {},
+      "order": 15,
+      "mode": 0,
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+          "type": "IMAGE",
+          "link": 18
+        }
+      ],
+      "properties": {
+        "Node name for S&R": "GridImage"
+      },
+      "widgets_values": [
+        "ComfyUI-Grid",
+        5,
+        0
+      ]
+    },
+    {
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+      "type": "PrimitiveNode",
+      "pos": [
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+        236
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+      "size": {
+        "0": 345.14599609375,
+        "1": 313.3401184082031
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+      "flags": {},
+      "order": 5,
+      "mode": 0,
+      "outputs": [
+        {
+          "name": "STRING",
+          "type": "STRING",
+          "links": [
+            29
+          ],
+          "slot_index": 0,
+          "widget": {
+            "name": "alphas",
+            "config": [
+              "STRING",
+              {
+                "multiline": true,
+                "default": ""
+              }
+            ]
+          }
+        }
+      ],
+      "title": "alpha",
+      "properties": {},
+      "widgets_values": [
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+      ]
+    },
+    {
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+      "type": "StateDictLoader",
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+      "size": {
+        "0": 210,
+        "1": 58
+      },
+      "flags": {},
+      "order": 6,
+      "mode": 0,
+      "outputs": [
+        {
+          "name": "DICT",
+          "type": "DICT",
+          "links": [
+            30
+          ],
+          "slot_index": 0
+        }
+      ],
+      "properties": {
+        "Node name for S&R": "StateDictLoader"
+      },
+      "widgets_values": [
+        "7th_anime_v3_A-fp16.safetensors"
+      ]
+    },
+    {
+      "id": 2,
+      "type": "StateDictLoader",
+      "pos": [
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+        141
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+      "size": {
+        "0": 210,
+        "1": 58
+      },
+      "flags": {},
+      "order": 7,
+      "mode": 0,
+      "outputs": [
+        {
+          "name": "DICT",
+          "type": "DICT",
+          "links": [
+            31
+          ],
+          "slot_index": 0
+        }
+      ],
+      "properties": {
+        "Node name for S&R": "StateDictLoader"
+      },
+      "widgets_values": [
+        "Basil_mix_fixed.safetensors"
+      ]
+    },
+    {
+      "id": 18,
+      "type": "VAEDecodeBatched",
+      "pos": [
+        1494,
+        43
+      ],
+      "size": {
+        "0": 210,
+        "1": 78
+      },
+      "flags": {},
+      "order": 13,
+      "mode": 0,
+      "inputs": [
+        {
+          "name": "samples",
+          "type": "LATENT",
+          "link": 15
+        },
+        {
+          "name": "vae",
+          "type": "VAE",
+          "link": 16
+        }
+      ],
+      "outputs": [
+        {
+          "name": "IMAGE",
+          "type": "IMAGE",
+          "links": [
+            17,
+            18
+          ],
+          "slot_index": 0
+        }
+      ],
+      "properties": {
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+      },
+      "widgets_values": [
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+        37
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+          "link": 30
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+          "type": "DICT",
+          "link": 31
+        },
+        {
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+          "type": "STRING",
+          "link": 29,
+          "widget": {
+            "name": "alphas",
+            "config": [
+              "STRING",
+              {
+                "multiline": true,
+                "default": ""
+              }
+            ]
+          }
+        }
+      ],
+      "outputs": [
+        {
+          "name": "MODEL",
+          "type": "MODEL",
+          "links": [
+            32
+          ],
+          "slot_index": 0
+        },
+        {
+          "name": "CLIP",
+          "type": "CLIP",
+          "links": [
+            33,
+            34
+          ],
+          "slot_index": 1
+        },
+        {
+          "name": "VAE",
+          "type": "VAE",
+          "links": null
+        }
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+      ]
+    }
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+  ],
+  "groups": [],
+  "config": {},
+  "extra": {},
+  "version": 0.4
+}
\ No newline at end of file
diff --git a/examples/workflow_mbw_multi.png b/examples/workflow_mbw_multi.png
new file mode 100644
index 0000000..e5e477e
Binary files /dev/null and b/examples/workflow_mbw_multi.png differ