diff --git a/alter-list.json b/alter-list.json
index 1bbafde1..41ba99ba 100644
--- a/alter-list.json
+++ b/alter-list.json
@@ -6,14 +6,9 @@
        "description": "This extension provides preprocessor nodes for using controlnet."
      },
      {
-       "id":"https://github.com/comfyanonymous/ComfyUI_experiments/raw/master/sampler_tonemap.py",
-       "tags":"Dynamic Thresholding, DT, CFG",
-       "description": "Increasing the CFG prevents the degradation of color accuracy."
-     },
-     {
-       "id":"https://github.com/comfyanonymous/ComfyUI_experiments/raw/master/reference_only.py",
-       "tags":"controlnet, reference only",
-       "description": "This node provides functionality corresponding to Reference only in Controlnet."
+       "id":"https://github.com/comfyanonymous/ComfyUI_experiments",
+       "tags":"Dynamic Thresholding, DT, CFG, controlnet, reference only",
+       "description": "This experimental nodes contains a 'Reference Only' node and a 'ModelSamplerTonemapNoiseTest' node corresponding to the 'Dynamic Threshold'."
      },
      {
        "id":"https://github.com/ltdrdata/ComfyUI-Impact-Pack",
diff --git a/extension-node-map.json b/extension-node-map.json
index 9dc25d72..515dea17 100644
--- a/extension-node-map.json
+++ b/extension-node-map.json
@@ -2274,14 +2274,14 @@
     ],
     "https://github.com/sipherxyz/comfyui-art-venture": [
         [
-            "AV_CheckpointLoader",
             "AV_CheckpointModelsToParametersPipe",
             "AV_ControlNetLoader",
-            "AV_ControlNetSelector",
+            "AV_LoraLoader",
             "AV_ParametersPipeToCheckpointModels",
             "AV_ParametersPipeToPrompts",
             "AV_PromptsToParametersPipe",
             "AV_UploadImage",
+            "AV_VAELoader",
             "BLIPCaption",
             "ColorBlend",
             "ColorCorrect",
diff --git a/js/comfyui-manager.js b/js/comfyui-manager.js
index 3ace5608..7282d188 100644
--- a/js/comfyui-manager.js
+++ b/js/comfyui-manager.js
@@ -895,6 +895,10 @@ class AlternativesInstaller extends ComfyDialog {
 		for(let i in this.grid_rows) {
 			let data1 = this.grid_rows[i].data;
 			let data2 = data1.custom_node;
+
+			if(!data2)
+			    continue;
+
 			let content = data1.tags.toLowerCase() + data1.description.toLowerCase() + data2.author.toLowerCase() + data2.description.toLowerCase() + data2.title.toLowerCase();
 
 			if(this.filter && this.filter != '*') {
diff --git a/node_db/new/extension-node-map.json b/node_db/new/extension-node-map.json
index 9dc25d72..515dea17 100644
--- a/node_db/new/extension-node-map.json
+++ b/node_db/new/extension-node-map.json
@@ -2274,14 +2274,14 @@
     ],
     "https://github.com/sipherxyz/comfyui-art-venture": [
         [
-            "AV_CheckpointLoader",
             "AV_CheckpointModelsToParametersPipe",
             "AV_ControlNetLoader",
-            "AV_ControlNetSelector",
+            "AV_LoraLoader",
             "AV_ParametersPipeToCheckpointModels",
             "AV_ParametersPipeToPrompts",
             "AV_PromptsToParametersPipe",
             "AV_UploadImage",
+            "AV_VAELoader",
             "BLIPCaption",
             "ColorBlend",
             "ColorCorrect",