diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ac959c5..23a7e5d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -28,7 +28,17 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v1
-      - uses: actions-hub/stylelint@master
-        env:
-          PATTERN : 'web/css/*.css'
\ No newline at end of file
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v6
+        with:
+          node-version: '22'
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run stylelint
+        run: npx stylelint "web/css/*.css"
\ No newline at end of file
diff --git a/README.md b/README.md
index 5c60def..11d683b 100644
--- a/README.md
+++ b/README.md
@@ -169,6 +169,7 @@ For example, by preparing the following CSV, you can quickly insert correspondin
 - **Max suggestions**: Maximum number of autocomplete suggestions to display.
 - **Auto-Insert Comma**: Automatically insert a comma after tags when inserting from autocomplete.
 - **Replace '_' with 'Space'**: Replaces underscores with spaces when inserting tags. This setting also affects related tag display.
+- **String to add before artist tags**: Text to prepend when inserting an artist tag. For Anima models, specify `@`.
 - **Enable Loras and Embeddings**: Display Lora and Embedding in the suggestions.
 - **Use Fast Search**: Switch autocomplete suggestions search to fast processing (see [About Fast Search for Autocomplete](#about-fast-search-for-autocomplete) for details).
 
diff --git a/docs/README_jp.md b/docs/README_jp.md
index 1c44923..67e522d 100644
--- a/docs/README_jp.md
+++ b/docs/README_jp.md
@@ -167,6 +167,7 @@ worst_quality,5,9999999,
 - **Max Suggestions**: オートコンプリート候補の最大表示件数
 - **Auto-Insert Comma**: タグの挿入時、末尾にカンマを追加する
 - **Replace '_' with 'Space'**: タグ挿入時にアンダースコアをスペースに置き換えます。この設定は関連タグ表示にも影響します
+- **String to add before artist tags**: アーティストタグを挿入する際に付加する文字列。 Anima モデルの場合は「@」を指定します
 - **Enable Loras and Embeddings**: LoraとEmbeddingを候補に表示する
 - **Use Fast Search**: オートコンプリート候補の検索を高速な処理に切り替える（詳細は [オートコンプリートの高速検索について](#オートコンプリートの高速検索について) を確認してください)
 
diff --git a/locales/en/settings.json b/locales/en/settings.json
index 25a33cc..4e469ed 100644
--- a/locales/en/settings.json
+++ b/locales/en/settings.json
@@ -31,6 +31,10 @@
     "AutocompletePlus_Autocompletion_EnableModels": {
         "name": "Enable Loras and Embeddings"
     },
+    "AutocompletePlus_Autocompletion_PrefixArtist": {
+        "name": "String to add before artist tags",
+        "tooltip": "Text to prepend when inserting an artist tag via autocomplete.\ne.g. '@' -> '@artist_name'."
+    },
     "AutocompletePlus_Autocompletion_ReplaceUnderscoreWithSpace": {
         "name": "Replace '_' with 'Space'",
         "tooltip": "This setting also affects related tags display."
diff --git a/locales/ja/settings.json b/locales/ja/settings.json
index b163286..2d79f31 100644
--- a/locales/ja/settings.json
+++ b/locales/ja/settings.json
@@ -31,6 +31,10 @@
     "AutocompletePlus_Autocompletion_EnableModels": {
         "name": "LoraとEmbeddingを候補に表示する"
     },
+    "AutocompletePlus_Autocompletion_PrefixArtist": {
+        "name": "アーティストタグの前に追加する文字列",
+        "tooltip": "オートコンプリートからアーティストタグを挿入する際に付加する文字列。\n例: '@' -> '@artist_name'"
+    },
     "AutocompletePlus_Autocompletion_ReplaceUnderscoreWithSpace": {
         "name": "'_' を 'スペース' に置き換える",
         "tooltip": "この設定は関連タグ表示にも影響します"
diff --git a/locales/zh-TW/settings.json b/locales/zh-TW/settings.json
index b4b406c..b4f3858 100644
--- a/locales/zh-TW/settings.json
+++ b/locales/zh-TW/settings.json
@@ -31,6 +31,10 @@
     "AutocompletePlus_Autocompletion_EnableModels": {
         "name": "顯示Lora和Embedding"
     },
+    "AutocompletePlus_Autocompletion_PrefixArtist": {
+        "name": "在藝術家標籤前添加的字串",
+        "tooltip": "透過自動完成插入藝術家標籤時，在標籤前添加的文字。\n例： '@' -> '@artist_name'"
+    },
     "AutocompletePlus_Autocompletion_ReplaceUnderscoreWithSpace": {
         "name": "將'_'替換為'空格'",
         "tooltip": "此設定也會影響相關標籤顯示"
diff --git a/locales/zh/settings.json b/locales/zh/settings.json
index 287b1f4..8017344 100644
--- a/locales/zh/settings.json
+++ b/locales/zh/settings.json
@@ -31,6 +31,10 @@
     "AutocompletePlus_Autocompletion_EnableModels": {
         "name": "显示Lora和Embedding"
     },
+    "AutocompletePlus_Autocompletion_PrefixArtist": {
+        "name": "在艺术家标签前添加的字符串",
+        "tooltip": "通过自动完成插入艺术家标签时，在标签前添加的文本。\n例： '@' -> '@artist_name'"
+    },
     "AutocompletePlus_Autocompletion_ReplaceUnderscoreWithSpace": {
         "name": "将'_'替换为'空格'",
         "tooltip": "此设置也会影响相关标签显示"
diff --git a/web/js/autocomplete.js b/web/js/autocomplete.js
index 5c86a20..f87f680 100644
--- a/web/js/autocomplete.js
+++ b/web/js/autocomplete.js
@@ -351,11 +351,13 @@ function insertTagToTextArea(inputElement, tagDataToInsert) {
     const needsSpaceBefore = text[replaceStart - 1] === ',';
     const prefix = needsSpaceBefore ? ' ' : '';
 
+    const prefixArtist = tagDataToInsert.categoryText == 'artist' ? settingValues.prefixArtist : '';
+
     // Standard separator (comma + space, or empty if autoInsertComma is disabled)
     const needsSuffixAfter = !",:".includes(text[replaceEnd]); // TODO: If ":" is part of the emoticon, a suffix is ​​required (e.g. ":o")
     const suffix = (needsSuffixAfter && settingValues.autoInsertComma) ? ', ' : '';
 
-    const textToInsertWithAffixes = prefix + normalizedTag + suffix;
+    const textToInsertWithAffixes = prefix + prefixArtist + normalizedTag + suffix;
 
     // --- Use execCommand for Undo support ---
     // 1. Select the text range to be replaced
@@ -939,6 +941,25 @@ export class AutocompleteEventHandler {
     constructor() {
         this.autocompleteUI = new AutocompleteUI();
         this.keyDownWithModifier = new Map(); // Keep track of keydown events with modifiers
+        this._debounceTimer = null; // Timer ID for debounced search
+    }
+
+    /**
+     * Calls autocompleteUI.updateDisplay() with debounce for sequential search, or immediately for fast search.
+     * @param {HTMLTextAreaElement} target
+     */
+    _triggerUpdateDisplay(target) {
+        if (settingValues.useFastSearch || settingValues.searchDebounceTime <= 0) {
+            // FastSearch or debounce disabled: immediate update
+            this.autocompleteUI.updateDisplay(target);
+        } else {
+            // Sequential search: debounced update
+            clearTimeout(this._debounceTimer);
+            this._debounceTimer = setTimeout(() => {
+                this.autocompleteUI.updateDisplay(target);
+                this._debounceTimer = null;
+            }, settingValues.searchDebounceTime);
+        }
     }
 
     /**
@@ -952,6 +973,7 @@ export class AutocompleteEventHandler {
 
         const partialTag = getCurrentPartialTag(event.target);
         if (partialTag.length <= 0) {
+            clearTimeout(this._debounceTimer); // Cancel pending debounced search
             this.autocompleteUI.hide();
         }
     }
@@ -1062,7 +1084,7 @@ export class AutocompleteEventHandler {
         // and default action is not prevented, update the display.
         // This will typically be for character inputs, Delete, Backspace or IME composition.
         if (!event.defaultPrevented) {
-            this.autocompleteUI.updateDisplay(event.target);
+            this._triggerUpdateDisplay(event.target);
         }
     }
 
diff --git a/web/js/main.js b/web/js/main.js
index 4673fa5..db81ecf 100644
--- a/web/js/main.js
+++ b/web/js/main.js
@@ -50,16 +50,19 @@ function initializeEventHandlers() {
         ComfyWidgets.STRING = function (node, inputName, inputData, appInstance) { // Use appInstance to avoid conflict with global app
             const result = originalStringWidget.apply(this, arguments);
 
-            // Check if the widget has an inputEl and if it's a TEXTAREA
+            // Check if the widget has an element and if it's a TEXTAREA
             // This is to ensure we are targeting multiline text inputs, related to '.comfy-multiline-input'
-            if (result && result.widget
-                && result.widget.inputEl && result.widget.inputEl.tagName === 'TEXTAREA' && !result.widget.inputEl.readOnly) {
-                const widgetConfig = inputData && inputData[1] ? inputData[1] : {};
-                // Future: Add checks for Autocomplete Plus specific configurations if needed
-                // e.g., if (widgetConfig["AutocompletePlus.enabled"] === false) return result;
-
-                const nodeInfo = new NodeInfo(node.comfyClass || node.constructor.name, inputName);
-                attachListeners(result.widget.inputEl, nodeInfo);
+            if (result && result.widget) {
+                // fallback for older Comfyui frontend versions
+                const inputEl = result.widget.element ?? result.widget.inputEl;
+                if (inputEl && inputEl.tagName === 'TEXTAREA' && !inputEl.readOnly) {
+                    const widgetConfig = inputData && inputData[1] ? inputData[1] : {};
+                    // Future: Add checks for Autocomplete Plus specific configurations if needed
+                    // e.g., if (widgetConfig["AutocompletePlus.enabled"] === false) return result;
+
+                    const nodeInfo = new NodeInfo(node.comfyClass || node.constructor.name, inputName);
+                    attachListeners(inputEl, nodeInfo);
+                }
             }
             return result;
         };
@@ -377,6 +380,17 @@ app.registerExtension({
                 settingValues.enableModels = newVal;
             }
         },
+        {
+            id: id + ".Autocompletion.PrefixArtist",
+            name: "String to add before artist tags",
+            tooltip: "Text to prepend when inserting an artist tag via autocomplete.\ne.g. '@' -> '@artist_name'.",
+            type: "text",
+            defaultValue: '',
+            category: [name, "Autocompletion", "String to add before artist tags"],
+            onChange: (newVal, oldVal) => {
+                settingValues.prefixArtist = newVal;
+            }
+        },
         {
             id: id + ".Autocompletion.ReplaceUnderscoreWithSpace",
             name: "Replace '_' with 'Space'",
@@ -535,4 +549,4 @@ app.registerExtension({
             },
         },
     ]
-});
\ No newline at end of file
+});
diff --git a/web/js/settings.js b/web/js/settings.js
index 726fc79..cbd47ef 100644
--- a/web/js/settings.js
+++ b/web/js/settings.js
@@ -10,7 +10,9 @@ export const settingValues = {
     enableModels: true, // Enable Lora and Embedding suggestions
     useFastSearch: false,
     replaceUnderscoreWithSpace: true, // Replace underscores with spaces in tag insertion
+    prefixArtist: '', // Prefix to be attached before artist tags
     autoInsertComma: true,
+    searchDebounceTime: 100, // Sequential search debounce time in milliseconds
 
     // Related tags feature settings
     enableRelatedTags: true,