From 4ef17da6f4924e327389eb77efc07929099155d5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=99=88=E5=AD=90=E9=BB=98?= <925456043@qq.com>
Date: Sat, 28 Feb 2026 21:37:49 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E4=BC=98=E5=8C=96=E5=B7=A5=E4=BD=9C?=
 =?UTF-8?q?=E6=B5=81=E5=8F=82=E6=95=B0=E7=BC=96=E8=BE=91=E4=B8=8E=E5=91=8A?=
 =?UTF-8?q?=E8=AD=A6=E4=BA=A4=E4=BA=92?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- 新增 ParamTokenEditor，支持参数选择插入、token 高亮、整段删除与光标避让

- 参数候选改为动态监测，未映射参数可选择并在下拉与输入框顶部告警

- 接入知识库/搜索引擎/LLM/动态代码/HTTP Body 及 SQL、查询数据自定义节点

- 优化 Http 节点布局并补充参数解析工具与单测
---
 .../workflow/customNode/searchDatacenter.ts   |   1 +
 .../views/ai/workflow/customNode/sqlNode.ts   |   1 +
 .../components/core/ParamTokenEditor.svelte   | 748 ++++++++++++++++++
 .../components/core/RefParameterItem.svelte   |   3 +-
 .../src/components/nodes/CodeNode.svelte      |  22 +-
 .../src/components/nodes/CustomNode.svelte    |  52 +-
 .../src/components/nodes/HttpNode.svelte      | 224 ++++--
 .../src/components/nodes/KnowledgeNode.svelte |  32 +-
 .../src/components/nodes/LLMNode.svelte       |  21 +-
 .../components/nodes/SearchEngineNode.svelte  |  33 +-
 .../src/components/utils/paramToken.test.ts   | 175 ++++
 .../src/components/utils/paramToken.ts        | 272 +++++++
 .../packages/tinyflow-ui/src/types.ts         |   1 +
 13 files changed, 1465 insertions(+), 120 deletions(-)
 create mode 100644 easyflow-ui-admin/packages/tinyflow-ui/src/components/core/ParamTokenEditor.svelte
 create mode 100644 easyflow-ui-admin/packages/tinyflow-ui/src/components/utils/paramToken.test.ts
 create mode 100644 easyflow-ui-admin/packages/tinyflow-ui/src/components/utils/paramToken.ts

diff --git a/easyflow-ui-admin/app/src/views/ai/workflow/customNode/searchDatacenter.ts b/easyflow-ui-admin/app/src/views/ai/workflow/customNode/searchDatacenter.ts
index 9422777..13cb551 100644
--- a/easyflow-ui-admin/app/src/views/ai/workflow/customNode/searchDatacenter.ts
+++ b/easyflow-ui-admin/app/src/views/ai/workflow/customNode/searchDatacenter.ts
@@ -47,6 +47,7 @@ export const SearchDatacenterNode = async () => {
       },
       {
         type: 'textarea',
+        templateSupport: true,
         label: "如：name='张三' and age=21 or field = {{流程变量}}",
         description: '',
         name: 'where',
diff --git a/easyflow-ui-admin/app/src/views/ai/workflow/customNode/sqlNode.ts b/easyflow-ui-admin/app/src/views/ai/workflow/customNode/sqlNode.ts
index 7806bd6..cb3e406 100644
--- a/easyflow-ui-admin/app/src/views/ai/workflow/customNode/sqlNode.ts
+++ b/easyflow-ui-admin/app/src/views/ai/workflow/customNode/sqlNode.ts
@@ -16,6 +16,7 @@ export default {
       {
         name: 'sql',
         type: 'textarea',
+        templateSupport: true,
         label: 'SQL',
         placeholder: $t('aiWorkflow.descriptions.enterSQL'),
       },
diff --git a/easyflow-ui-admin/packages/tinyflow-ui/src/components/core/ParamTokenEditor.svelte b/easyflow-ui-admin/packages/tinyflow-ui/src/components/core/ParamTokenEditor.svelte
new file mode 100644
index 0000000..87c4cb2
--- /dev/null
+++ b/easyflow-ui-admin/packages/tinyflow-ui/src/components/core/ParamTokenEditor.svelte
@@ -0,0 +1,748 @@
+<script lang="ts">
+  import { tick } from 'svelte';
+  import {Button, FloatingTrigger} from '../base';
+  import type {Parameter} from '#types';
+  import {
+    escapeHtml,
+    flattenParameterCandidates,
+    findBackspaceTokenRange,
+    findTokenRangeAtCursor,
+    insertTextAtCursor,
+    parseTokenParts,
+    splitTokenDisplay
+  } from '../utils/paramToken';
+
+  const {
+        mode = 'textarea',
+        value = '',
+        parameters = [],
+        rows = 3,
+        placeholder = '',
+        disabled = false,
+        class: className = '',
+        style = '',
+        ...rest
+    }: {
+        mode?: 'input' | 'textarea';
+        value?: string;
+        parameters?: Parameter[];
+        rows?: number;
+        placeholder?: string;
+        disabled?: boolean;
+        class?: string;
+        style?: string;
+        [key: string]: any;
+    } = $props();
+
+    let inputEl = $state<HTMLInputElement | null>(null);
+    let textareaEl = $state<HTMLTextAreaElement | null>(null);
+    let highlightEl = $state<HTMLDivElement | null>(null);
+    let triggerObject: any;
+    let isFocused = $state(false);
+    let isComposing = $state(false);
+    let localValue = $state((value || '') as string);
+
+    $effect(() => {
+        const nextValue = (value || '') as string;
+        if (!isFocused && nextValue !== localValue) {
+            localValue = nextValue;
+        }
+    });
+
+    const paramCandidates = $derived(flattenParameterCandidates(parameters));
+    const paramNames = $derived(paramCandidates.map((item) => item.name));
+    const unresolvedParamSet = $derived.by(() => {
+        return new Set(paramCandidates.filter((item) => !item.resolved).map((item) => item.name));
+    });
+    const hasParams = $derived(paramCandidates.length > 0);
+    const tokenParts = $derived(parseTokenParts(localValue, paramNames));
+    const unresolvedTokensInEditor = $derived.by(() => {
+        const keySet = new Set<string>();
+        for (const part of tokenParts) {
+            if (part.type === 'token' && part.valid && unresolvedParamSet.has(part.key)) {
+                keySet.add(part.key);
+            }
+        }
+        return Array.from(keySet);
+    });
+    const undefinedTokensInEditor = $derived.by(() => {
+        const keySet = new Set<string>();
+        for (const part of tokenParts) {
+            if (part.type === 'token' && !part.valid) {
+                keySet.add(part.key);
+            }
+        }
+        return Array.from(keySet);
+    });
+    const showInlineHint = $derived(unresolvedTokensInEditor.length > 0 || undefinedTokensInEditor.length > 0);
+    const highlightedHtml = $derived.by(() => {
+        return tokenParts
+            .map((part) => {
+                if (part.type === 'text') {
+                    return escapeHtml(part.text);
+                }
+                const cssClass = !part.valid
+                    ? 'param-token-invalid'
+                    : unresolvedParamSet.has(part.key)
+                      ? 'param-token-warning'
+                      : 'param-token-valid';
+                const display = splitTokenDisplay(part.text, part.key);
+                return `<span class="param-token-token"><span class="param-token-chip ${cssClass}"><span class="param-token-hidden">${escapeHtml(display.hiddenPrefix)}</span><span class="param-token-chip-text">${escapeHtml(display.visibleText)}</span><span class="param-token-hidden">${escapeHtml(display.hiddenSuffix)}</span></span></span>`;
+            })
+            .join('');
+    });
+
+    const getEditorElement = () => {
+        return mode === 'input' ? inputEl : textareaEl;
+    };
+
+    const emitInput = (event?: Event) => {
+        if (event) {
+            rest.oninput?.(event);
+            return;
+        }
+        rest.oninput?.({
+            target: {
+                value: localValue
+            }
+        });
+    };
+
+    const emitChange = (event?: Event) => {
+        if (event) {
+            rest.onchange?.(event);
+            return;
+        }
+        rest.onchange?.({
+            target: {
+                value: localValue
+            }
+        });
+    };
+
+    const syncScroll = () => {
+        const el = getEditorElement();
+        if (!el || !highlightEl) {
+            return;
+        }
+        highlightEl.scrollTop = el.scrollTop;
+        highlightEl.scrollLeft = el.scrollLeft;
+    };
+
+    const handleInput = (event: Event) => {
+        localValue = ((event.target as HTMLInputElement | HTMLTextAreaElement).value || '') as string;
+        syncScroll();
+        emitInput(event);
+    };
+
+    const handleChange = (event: Event) => {
+        localValue = ((event.target as HTMLInputElement | HTMLTextAreaElement).value || '') as string;
+        emitChange(event);
+    };
+
+    const insertParam = async (paramName: string) => {
+        const editorEl = getEditorElement();
+        const result = insertTextAtCursor(
+            localValue,
+            `{{${paramName}}}`,
+            editorEl?.selectionStart,
+            editorEl?.selectionEnd
+        );
+        localValue = result.value;
+        emitInput();
+        emitChange();
+
+        await tick();
+        const newEditorEl = getEditorElement();
+        if (newEditorEl) {
+            newEditorEl.focus();
+            newEditorEl.setSelectionRange(result.cursor, result.cursor);
+        }
+        syncScroll();
+        triggerObject?.hide?.();
+    };
+
+    const handleFocus = (event: Event) => {
+        isFocused = true;
+        rest.onfocus?.(event);
+    };
+
+    const handleBlur = (event: Event) => {
+        isFocused = false;
+        rest.onblur?.(event);
+    };
+
+    const handleCompositionStart = (event: Event) => {
+        isComposing = true;
+        rest.oncompositionstart?.(event);
+    };
+
+    const handleCompositionEnd = (event: Event) => {
+        isComposing = false;
+        rest.oncompositionend?.(event);
+    };
+
+    const setCaretPosition = (position: number) => {
+        const editorEl = getEditorElement();
+        if (!editorEl) {
+            return;
+        }
+        editorEl.setSelectionRange(position, position);
+    };
+
+    const normalizeCaretAsync = () => {
+        requestAnimationFrame(() => {
+            requestAnimationFrame(() => {
+                moveCaretOutOfToken();
+            });
+        });
+    };
+
+    const moveCaretOutOfToken = (prefer?: 'start' | 'end') => {
+        const editorEl = getEditorElement();
+        if (!editorEl) {
+            return false;
+        }
+
+        const selectionStart = editorEl.selectionStart ?? 0;
+        const selectionEnd = editorEl.selectionEnd ?? 0;
+        if (selectionStart !== selectionEnd) {
+            return false;
+        }
+
+        const tokenRange = findTokenRangeAtCursor(localValue, selectionStart, {
+            includeStart: false,
+            includeEnd: false
+        });
+        if (!tokenRange) {
+            return false;
+        }
+
+        const target =
+            prefer === 'start'
+                ? tokenRange.start
+                : prefer === 'end'
+                  ? tokenRange.end
+                  : selectionStart - tokenRange.start <= tokenRange.end - selectionStart
+                    ? tokenRange.start
+                    : tokenRange.end;
+        editorEl.setSelectionRange(target, target);
+        return true;
+    };
+
+    const handleKeydown = async (event: KeyboardEvent) => {
+        if (disabled || isComposing) {
+            rest.onkeydown?.(event);
+            return;
+        }
+
+        const target = event.target as HTMLInputElement | HTMLTextAreaElement;
+        const selectionStart = target.selectionStart ?? 0;
+        const selectionEnd = target.selectionEnd ?? 0;
+
+        if (selectionStart !== selectionEnd) {
+            rest.onkeydown?.(event);
+            return;
+        }
+
+        if (event.key === 'ArrowLeft') {
+            const leftToken = findTokenRangeAtCursor(localValue, selectionStart, {
+                includeStart: false,
+                includeEnd: true
+            });
+            if (leftToken && leftToken.end === selectionStart) {
+                event.preventDefault();
+                setCaretPosition(leftToken.start);
+                rest.onkeydown?.(event);
+                return;
+            }
+            if (moveCaretOutOfToken('start')) {
+                event.preventDefault();
+            }
+            rest.onkeydown?.(event);
+            return;
+        }
+
+        if (event.key === 'ArrowRight') {
+            const rightToken = findTokenRangeAtCursor(localValue, selectionStart, {
+                includeStart: true,
+                includeEnd: false
+            });
+            if (rightToken && rightToken.start === selectionStart) {
+                event.preventDefault();
+                setCaretPosition(rightToken.end);
+                rest.onkeydown?.(event);
+                return;
+            }
+            if (moveCaretOutOfToken('end')) {
+                event.preventDefault();
+            }
+            rest.onkeydown?.(event);
+            return;
+        }
+
+        const tokenRangeInside = findTokenRangeAtCursor(localValue, selectionStart, {
+            includeStart: false,
+            includeEnd: false
+        });
+        if (tokenRangeInside && event.key !== 'Backspace' && event.key !== 'Delete') {
+            event.preventDefault();
+            moveCaretOutOfToken();
+            rest.onkeydown?.(event);
+            return;
+        }
+
+        if (event.key === 'Delete') {
+            const deleteRange = findTokenRangeAtCursor(localValue, selectionStart, {
+                includeStart: true,
+                includeEnd: false
+            });
+            if (deleteRange) {
+                event.preventDefault();
+                const result = insertTextAtCursor(localValue, '', deleteRange.start, deleteRange.end);
+                localValue = result.value;
+                emitInput();
+                emitChange();
+
+                await tick();
+                const editorEl = getEditorElement();
+                if (editorEl) {
+                    editorEl.focus();
+                    editorEl.setSelectionRange(deleteRange.start, deleteRange.start);
+                }
+                syncScroll();
+                rest.onkeydown?.(event);
+                return;
+            }
+        }
+
+        if (event.key !== 'Backspace') {
+            rest.onkeydown?.(event);
+            return;
+        }
+
+        const tokenRange = findBackspaceTokenRange(localValue, selectionStart);
+        if (!tokenRange) {
+            rest.onkeydown?.(event);
+            return;
+        }
+
+        event.preventDefault();
+        const result = insertTextAtCursor(localValue, '', tokenRange.start, tokenRange.end);
+        localValue = result.value;
+        emitInput();
+        emitChange();
+
+        await tick();
+        const editorEl = getEditorElement();
+        if (editorEl) {
+            editorEl.focus();
+            editorEl.setSelectionRange(tokenRange.start, tokenRange.start);
+        }
+        syncScroll();
+        rest.onkeydown?.(event);
+    };
+
+    const handleSelect = (event: Event) => {
+        normalizeCaretAsync();
+        rest.onselect?.(event);
+    };
+
+    const handleMouseUp = (event: MouseEvent) => {
+        normalizeCaretAsync();
+        rest.onmouseup?.(event);
+    };
+
+    const handleKeyup = (event: KeyboardEvent) => {
+        if (event.key === 'ArrowLeft' || event.key === 'ArrowRight' || event.key === 'Home' || event.key === 'End') {
+            normalizeCaretAsync();
+        }
+        rest.onkeyup?.(event);
+    };
+
+    const handleClick = (event: MouseEvent) => {
+        normalizeCaretAsync();
+        rest.onclick?.(event);
+    };
+</script>
+
+<div class="param-token-editor {className}" style={style}>
+    {#if showInlineHint}
+        <div class="param-token-inline-hint">
+            {#if unresolvedTokensInEditor.length > 0}
+                <div class="hint-item hint-unresolved">
+                    <span class="hint-item-icon" aria-hidden="true">
+                        <svg viewBox="0 0 24 24" fill="currentColor">
+                            <path d="M12 2C6.486 2 2 6.486 2 12S6.486 22 12 22 22 17.514 22 12 17.514 2 12 2zm0 15a1.25 1.25 0 1 1 0-2.5A1.25 1.25 0 0 1 12 17zm1-4h-2V7h2v6z"></path>
+                        </svg>
+                    </span>
+                    <span>
+                        未映射参数：{unresolvedTokensInEditor.join('、')}
+                    </span>
+                </div>
+            {/if}
+            {#if undefinedTokensInEditor.length > 0}
+                <div class="hint-item hint-undefined">
+                    <span class="hint-item-icon" aria-hidden="true">
+                        <svg viewBox="0 0 24 24" fill="currentColor">
+                            <path d="M12 2C6.486 2 2 6.486 2 12S6.486 22 12 22 22 17.514 22 12 17.514 2 12 2zm0 15a1.25 1.25 0 1 1 0-2.5A1.25 1.25 0 0 1 12 17zm1-4h-2V7h2v6z"></path>
+                        </svg>
+                    </span>
+                    <span>
+                        未定义参数：{undefinedTokensInEditor.join('、')}
+                    </span>
+                </div>
+            {/if}
+        </div>
+    {/if}
+
+    <div class="param-token-editor-inner">
+        <div
+            class="param-token-editor-highlight {mode === 'input' ? 'single-line' : 'multi-line'}"
+            bind:this={highlightEl}
+            aria-hidden="true"
+        >
+            {@html highlightedHtml}
+        </div>
+
+        {#if mode === 'input'}
+            <input
+                {...rest}
+                bind:this={inputEl}
+                type="text"
+                class="tf-input param-token-input {rest.class}"
+                placeholder={placeholder}
+                value={localValue}
+                disabled={disabled}
+                spellcheck="false"
+                onfocus={handleFocus}
+                onblur={handleBlur}
+                oninput={handleInput}
+                onchange={handleChange}
+                onscroll={syncScroll}
+                onkeydown={handleKeydown}
+                onselect={handleSelect}
+                onmouseup={handleMouseUp}
+                onclick={handleClick}
+                onkeyup={handleKeyup}
+                oncompositionstart={handleCompositionStart}
+                oncompositionend={handleCompositionEnd}
+            />
+        {:else}
+            <textarea
+                {...rest}
+                bind:this={textareaEl}
+                class="tf-textarea param-token-textarea {rest.class}"
+                placeholder={placeholder}
+                value={localValue}
+                rows={rows}
+                disabled={disabled}
+                spellcheck="false"
+                onfocus={handleFocus}
+                onblur={handleBlur}
+                oninput={handleInput}
+                onchange={handleChange}
+                onscroll={syncScroll}
+                onkeydown={handleKeydown}
+                onselect={handleSelect}
+                onmouseup={handleMouseUp}
+                onclick={handleClick}
+                onkeyup={handleKeyup}
+                oncompositionstart={handleCompositionStart}
+                oncompositionend={handleCompositionEnd}
+            ></textarea>
+        {/if}
+
+        <div class="param-token-action">
+            <FloatingTrigger placement="bottom-end" bind:this={triggerObject}>
+                <Button
+                    class="param-token-button"
+                    disabled={!hasParams || disabled}
+                    title={hasParams ? '选择参数' : '请先在输入参数中定义参数'}
+                >
+                    <span>{"{x}"}</span>
+                </Button>
+                {#snippet floating()}
+                    <div class="param-token-panel nowheel">
+                        {#if hasParams}
+                            {#each paramCandidates as candidate}
+                                <button
+                                    class="param-token-item {candidate.resolved ? '' : 'unresolved'}"
+                                    title={candidate.resolved ? candidate.name : `${candidate.name}（未配置引用值）`}
+                                    onclick={() => {
+                                        insertParam(candidate.name);
+                                    }}
+                                >
+                                    <span>{candidate.name}</span>
+                                    {#if !candidate.resolved}
+                                        <span
+                                            class="param-token-item-warn"
+                                            title="该参数尚未映射引用值，运行时可能为空"
+                                            aria-label="未映射参数"
+                                        >
+                                            <svg viewBox="0 0 24 24" fill="currentColor">
+                                                <path d="M12 2 1 21h22L12 2zm0 5.2 6.4 11.8H5.6L12 7.2zm-1 3.3v4.6h2v-4.6h-2zm0 5.8v1.9h2v-1.9h-2z"></path>
+                                            </svg>
+                                        </span>
+                                    {/if}
+                                </button>
+                            {/each}
+                        {:else}
+                            <div class="param-token-empty">请先在输入参数中定义参数</div>
+                        {/if}
+                    </div>
+                {/snippet}
+            </FloatingTrigger>
+        </div>
+    </div>
+</div>
+
+<style lang="less">
+  .param-token-editor {
+    width: 100%;
+    position: relative;
+  }
+
+  .param-token-inline-hint {
+    display: flex;
+    flex-direction: column;
+    gap: 6px;
+    margin-bottom: 6px;
+    font-size: 12px;
+    line-height: 1.4;
+  }
+
+  .hint-item {
+    display: flex;
+    align-items: center;
+    gap: 6px;
+    padding: 5px 8px;
+    border-radius: 6px;
+    border: 1px solid transparent;
+  }
+
+  .hint-item-icon {
+    width: 14px;
+    height: 14px;
+    flex-shrink: 0;
+
+    svg {
+      width: 14px;
+      height: 14px;
+      display: block;
+    }
+  }
+
+  .hint-item.hint-unresolved {
+    background: #fff8e6;
+    border-color: #f6d99a;
+    color: #8a5a00;
+
+    .hint-item-icon {
+      color: #d97706;
+    }
+  }
+
+  .hint-item.hint-undefined {
+    background: #fff1f1;
+    border-color: #f5c7c4;
+    color: #b42318;
+
+    .hint-item-icon {
+      color: #d92d20;
+    }
+  }
+
+  .param-token-editor-inner {
+    width: 100%;
+    position: relative;
+    font-family: inherit;
+    font-size: inherit;
+    font-weight: inherit;
+    line-height: inherit;
+    letter-spacing: inherit;
+  }
+
+  .param-token-editor-highlight {
+    position: absolute;
+    inset: 0;
+    border: 1px solid transparent;
+    border-radius: 5px;
+    padding: 5px 8px;
+    box-sizing: border-box;
+    color: #333;
+    pointer-events: none;
+    z-index: 0;
+    font-family: inherit;
+    font-size: inherit;
+    font-weight: inherit;
+    line-height: 1.6;
+    letter-spacing: inherit;
+    overflow: hidden;
+  }
+
+  .param-token-editor-highlight.single-line {
+    white-space: pre;
+    word-break: normal;
+  }
+
+  .param-token-editor-highlight.multi-line {
+    white-space: pre-wrap;
+    word-break: break-word;
+  }
+
+  .param-token-input,
+  .param-token-textarea {
+    width: 100%;
+    position: relative;
+    z-index: 1;
+    background: transparent;
+    color: transparent;
+    caret-color: #333;
+    padding-right: 36px;
+    font-family: inherit;
+    font-size: inherit;
+    font-weight: inherit;
+    line-height: 1.6;
+    letter-spacing: inherit;
+  }
+
+  .param-token-input::placeholder,
+  .param-token-textarea::placeholder {
+    color: #ccc;
+  }
+
+  .param-token-textarea {
+    overflow: auto;
+  }
+
+  .param-token-action {
+    position: absolute;
+    top: 4px;
+    right: 4px;
+    z-index: 2;
+  }
+
+  :global(.param-token-button) {
+    height: 20px;
+    min-width: 20px;
+    border: 1px solid transparent;
+    padding: 0 4px;
+    font-size: 10px;
+    border-radius: 4px;
+    color: #666;
+    background: rgba(255, 255, 255, 0.9);
+  }
+
+  :global(.param-token-button:hover) {
+    background: #f0f3ff;
+    color: #2563eb;
+    border-color: #d3defd;
+  }
+
+  .param-token-panel {
+    min-width: 200px;
+    max-width: 320px;
+    max-height: 220px;
+    overflow: auto;
+    background: #fff;
+    border: 1px solid #ddd;
+    border-radius: 5px;
+    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
+    padding: 6px;
+    display: flex;
+    flex-direction: column;
+    gap: 4px;
+  }
+
+  .param-token-item {
+    border: none;
+    background: #fff;
+    padding: 6px 8px;
+    text-align: left;
+    cursor: pointer;
+    border-radius: 4px;
+    font-size: 12px;
+    line-height: 1.3;
+    color: #333;
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    gap: 8px;
+  }
+
+  .param-token-item:hover {
+    background: #f5f7ff;
+    color: #2563eb;
+  }
+
+  .param-token-item.unresolved {
+    background: #fff8e6;
+    color: #92400e;
+  }
+
+  .param-token-item-warn {
+    width: 14px;
+    height: 14px;
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    color: #d97706;
+    flex-shrink: 0;
+
+    svg {
+      width: 14px;
+      height: 14px;
+      display: block;
+    }
+  }
+
+  .param-token-empty {
+    padding: 8px;
+    font-size: 12px;
+    color: #999;
+    text-align: center;
+  }
+
+  :global(.param-token-hidden) {
+    color: transparent;
+  }
+
+  :global(.param-token-token) {
+    display: inline;
+  }
+
+  :global(.param-token-chip) {
+    display: inline-block;
+    vertical-align: baseline;
+    line-height: inherit;
+    white-space: nowrap;
+    border-radius: 4px;
+    padding: 0;
+    margin: 0;
+    box-decoration-break: clone;
+    -webkit-box-decoration-break: clone;
+  }
+
+  :global(.param-token-chip-text) {
+    position: relative;
+  }
+
+  :global(.param-token-valid) {
+    background: #eaf2ff;
+    color: #1e4ed8;
+    box-shadow: inset 0 0 0 1px #c6d8ff;
+  }
+
+  :global(.param-token-invalid) {
+    background: #fff1f1;
+    color: #b42318;
+    box-shadow: inset 0 0 0 1px #f5c7c4;
+  }
+
+  :global(.param-token-warning) {
+    background: #fff8e6;
+    color: #92400e;
+    box-shadow: inset 0 0 0 1px #f7d79e;
+  }
+</style>
diff --git a/easyflow-ui-admin/packages/tinyflow-ui/src/components/core/RefParameterItem.svelte b/easyflow-ui-admin/packages/tinyflow-ui/src/components/core/RefParameterItem.svelte
index 37f671e..266ff40 100644
--- a/easyflow-ui-admin/packages/tinyflow-ui/src/components/core/RefParameterItem.svelte
+++ b/easyflow-ui-admin/packages/tinyflow-ui/src/components/core/RefParameterItem.svelte
@@ -42,7 +42,7 @@
                 [key]: value
             };
             return {
-                [dataKeyName]: parameters
+                [dataKeyName]: [...parameters]
             };
         });
     };
@@ -172,4 +172,3 @@
 
 </style>
 
-
diff --git a/easyflow-ui-admin/packages/tinyflow-ui/src/components/nodes/CodeNode.svelte b/easyflow-ui-admin/packages/tinyflow-ui/src/components/nodes/CodeNode.svelte
index db357c8..5e50b10 100644
--- a/easyflow-ui-admin/packages/tinyflow-ui/src/components/nodes/CodeNode.svelte
+++ b/easyflow-ui-admin/packages/tinyflow-ui/src/components/nodes/CodeNode.svelte
@@ -1,14 +1,14 @@
 <script lang="ts">
   import NodeWrapper from '../core/NodeWrapper.svelte';
-  import {type NodeProps, useSvelteFlow} from '@xyflow/svelte';
+  import {type NodeProps, useNodesData, useSvelteFlow} from '@xyflow/svelte';
   import {Button, Heading, Select} from '../base';
-  import {Textarea} from '../base/index.js';
   import RefParameterList from '../core/RefParameterList.svelte';
   import {getCurrentNodeId} from '#components/utils/NodeUtils';
   import {useAddParameter} from '../utils/useAddParameter.svelte';
   import OutputDefList from '../core/OutputDefList.svelte';
   // 添加生命周期函数
   import {onMount} from 'svelte';
+  import ParamTokenEditor from '../core/ParamTokenEditor.svelte';
 
   const { data, ...rest }: {
         data: NodeProps['data'],
@@ -25,7 +25,11 @@
         }
     });
     const currentNodeId = getCurrentNodeId();
+    let currentNode = useNodesData(currentNodeId);
     const { addParameter } = useAddParameter();
+    const editorParameters = $derived.by(() => {
+        return (currentNode?.current?.data?.parameters as Array<any>) || data.parameters || [];
+    });
 
 
     const { updateNodeData } = useSvelteFlow();
@@ -76,15 +80,21 @@
 
     <div class="setting-title">执行代码</div>
     <div class="setting-item">
-        <Textarea rows={10}
+        <ParamTokenEditor
+                  mode="textarea"
+                  rows={10}
                   placeholder="请输入执行代码，注：输出内容需添加到_result中，如：_result['key'] = value 或者 _result.key = value"
-                  style="width: 100%" onchange={(e:any)=>{
+                  style="width: 100%"
+                  parameters={editorParameters}
+                  oninput={(e:any)=>{
             updateNodeData(currentNodeId, ()=>{
                 return {
                     code: e.target.value
                 }
             })
-        }} value={data.code as string||""} />
+        }}
+                  value={data.code as string||""}
+        />
     </div>
 
 
@@ -125,5 +135,3 @@
 
 </style>
 
-
-
diff --git a/easyflow-ui-admin/packages/tinyflow-ui/src/components/nodes/CustomNode.svelte b/easyflow-ui-admin/packages/tinyflow-ui/src/components/nodes/CustomNode.svelte
index 4f37a24..4bd8288 100644
--- a/easyflow-ui-admin/packages/tinyflow-ui/src/components/nodes/CustomNode.svelte
+++ b/easyflow-ui-admin/packages/tinyflow-ui/src/components/nodes/CustomNode.svelte
@@ -1,6 +1,6 @@
 <script lang="ts">
   import NodeWrapper from '../core/NodeWrapper.svelte';
-  import {type Node, type NodeProps, useSvelteFlow} from '@xyflow/svelte';
+  import {type Node, type NodeProps, useNodesData, useSvelteFlow} from '@xyflow/svelte';
   import {Button, Chosen, Heading, Input, Select, Textarea} from '../base';
   import RefParameterList from '../core/RefParameterList.svelte';
   import {getCurrentNodeId} from '#components/utils/NodeUtils';
@@ -8,6 +8,7 @@
   import {getOptions} from '../utils/NodeUtils';
   import OutputDefList from '../core/OutputDefList.svelte';
   import {fillParameterId} from '../utils/useAddParameter.svelte.js';
+  import ParamTokenEditor from '../core/ParamTokenEditor.svelte';
 
   const { data, ...rest }: {
         data: NodeProps['data'],
@@ -15,9 +16,13 @@
     } = $props();
 
     const currentNodeId = getCurrentNodeId();
+    let currentNode = useNodesData(currentNodeId);
     const { addParameter } = useAddParameter();
     const flowInstance = useSvelteFlow();
     const { updateNodeData: updateNodeDataInner } = flowInstance;
+    const editorParameters = $derived.by(() => {
+        return (currentNode?.current?.data?.parameters as Array<any>) || data.parameters || [];
+    });
 
     const updateNodeData = (data: Record<string, any>) => {
         updateNodeDataInner(currentNodeId, data);
@@ -104,19 +109,47 @@
             {#if form.type === 'input'}
                 <div class="setting-title">{form.label}</div>
                 <div class="setting-item">
-                    <Input
-                        placeholder={form.placeholder}
-                        style="width: 100%"
-                        value={data[form.name] || form.defaultValue}
-                        {...form.attrs}
-                        onchange={(e)=>{
+                    {#if form.templateSupport}
+                        <ParamTokenEditor
+                            mode="input"
+                            placeholder={form.placeholder}
+                            style="width: 100%"
+                            value={data[form.name] || form.defaultValue}
+                            parameters={editorParameters}
+                            {...form.attrs}
+                            oninput={(e)=>{
                                 updateNodeDataByEvent(form.name,e)
                             }}
-                    />
+                        />
+                    {:else}
+                        <Input
+                            placeholder={form.placeholder}
+                            style="width: 100%"
+                            value={data[form.name] || form.defaultValue}
+                            {...form.attrs}
+                            onchange={(e)=>{
+                                updateNodeDataByEvent(form.name,e)
+                            }}
+                        />
+                    {/if}
                 </div>
             {:else if form.type === 'textarea'}
                 <div class="setting-title">{form.label}</div>
                 <div class="setting-item">
+                    {#if form.templateSupport}
+                        <ParamTokenEditor
+                            mode="textarea"
+                            rows={3}
+                            placeholder={form.placeholder}
+                            style="width: 100%"
+                            value={data[form.name] || form.defaultValue}
+                            parameters={editorParameters}
+                            {...form.attrs}
+                            oninput={(e)=>{
+                                updateNodeDataByEvent(form.name,e)
+                            }}
+                        />
+                    {:else}
                         <Textarea
                             rows={3}
                             placeholder={form.placeholder}
@@ -127,6 +160,7 @@
                                 updateNodeDataByEvent(form.name,e)
                             }}
                         />
+                    {/if}
                 </div>
             {:else if form.type === 'slider'}
                 <div class="setting-title">{form.label}</div>
@@ -246,5 +280,3 @@
     }
 </style>
 
-
-
diff --git a/easyflow-ui-admin/packages/tinyflow-ui/src/components/nodes/HttpNode.svelte b/easyflow-ui-admin/packages/tinyflow-ui/src/components/nodes/HttpNode.svelte
index 9250aa6..734a86d 100644
--- a/easyflow-ui-admin/packages/tinyflow-ui/src/components/nodes/HttpNode.svelte
+++ b/easyflow-ui-admin/packages/tinyflow-ui/src/components/nodes/HttpNode.svelte
@@ -1,14 +1,15 @@
 <script lang="ts">
   import NodeWrapper from '../core/NodeWrapper.svelte';
-  import {type NodeProps, useSvelteFlow} from '@xyflow/svelte';
+  import {type NodeProps, useNodesData, useSvelteFlow} from '@xyflow/svelte';
   import {Button, Heading, Select} from '../base';
-  import {Input, Textarea} from '../base/index.js';
+  import {Input} from '../base/index.js';
   import RefParameterList from '../core/RefParameterList.svelte';
   import {getCurrentNodeId} from '#components/utils/NodeUtils';
   import {useAddParameter} from '../utils/useAddParameter.svelte';
   import OutputDefList from '../core/OutputDefList.svelte';
   // 添加生命周期函数
   import {onMount} from 'svelte';
+  import ParamTokenEditor from '../core/ParamTokenEditor.svelte';
 
   const { data, ...rest }: {
         data: NodeProps['data'],
@@ -60,10 +61,23 @@
         { value: 'head', label: 'HEAD' },
         { value: 'patch', label: 'PATCH' }
     ];
+    const bodyTypeOptions = [
+        { value: '', label: 'none' },
+        { value: 'form-data', label: 'form-data' },
+        { value: 'x-www-form-urlencoded', label: 'x-www-form-urlencoded' },
+        { value: 'json', label: 'json' },
+        { value: 'raw', label: 'raw' }
+    ];
 
     const currentNodeId = getCurrentNodeId();
+    let currentNode = useNodesData(currentNodeId);
     const { addParameter } = useAddParameter();
     const { updateNodeData } = useSvelteFlow();
+    const editorParameters = $derived.by(() => {
+        return (currentNode?.current?.data?.parameters as Array<any>) || data.parameters || [];
+    });
+    const bodyMethods = new Set(['post', 'put', 'delete', 'patch']);
+    const showBodyConfig = $derived(bodyMethods.has((data.method || '').toLowerCase()));
 </script>
 
 
@@ -89,9 +103,10 @@
     </div>
     <RefParameterList />
 
-    <Heading level={3} mt="10px">URL 地址</Heading>
-    <div style="display: flex;gap: 2px;width: 100%;padding: 10px 0">
-        <div>
+    <div class="http-section">
+        <div class="section-title">请求配置</div>
+        <div class="http-url-row">
+            <div class="method-select">
             <Select items={method} style="width: 100%" placeholder="请选择请求方式" onSelect={(item)=>{
               const newValue = item.value;
               updateNodeData(currentNodeId, ()=>{
@@ -100,80 +115,68 @@
                   }
               })
         }} value={data.method ? [data.method] : ['get']} />
-        </div>
-        <div style="width: 100%">
-            <Input placeholder="请输入url" style="width: 100%" onchange={(e:any)=>{
+            </div>
+            <div class="url-input-wrap">
+                <Input
+                    style="width: 100%"
+                    placeholder="请输入 URL"
+                    value={data.url as string||""}
+                    onchange={(e:any)=>{
             updateNodeData(currentNodeId, ()=>{
                 return {
                     url: e.target.value
                 }
             })
-        }} value={data.url as string||""} />
+        }}
+                />
+            </div>
         </div>
     </div>
 
-    <div class="heading">
-        <Heading level={3}>Http 头信息</Heading>
-        <Button class="input-btn-more" style="margin-left: auto" onclick={()=>{
+    <div class="http-section">
+        <div class="heading heading-tight">
+            <Heading level={3}>Http 头信息</Heading>
+            <Button class="input-btn-more" style="margin-left: auto" onclick={()=>{
             addParameter(currentNodeId,'headers')
         }}>
-            <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor">
-                <path d="M11 11V5H13V11H19V13H13V19H11V13H5V11H11Z"></path>
-            </svg>
-        </Button>
+                <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor">
+                    <path d="M11 11V5H13V11H19V13H13V19H11V13H5V11H11Z"></path>
+                </svg>
+            </Button>
+        </div>
+        <RefParameterList dataKeyName="headers" />
     </div>
-    <RefParameterList dataKeyName="headers" />
 
-    {#if data.method === 'post' || data.method === 'put' || data.method === 'delete' || data.method === 'patch'}
-
-        <Heading level={3} mt="10px">Body</Heading>
-        <div class="radio-group">
-            <label><Input type="radio" value="" checked={!data.bodyType || data.bodyType === ''}
-                          onchange={(e:any)=>{
-            if (e.target?.checked){
-                updateNodeData(currentNodeId,{
-                    bodyType: '',
-                })
-            }
-        }} />none</label>
-            <label><Input type="radio" value="form-data" checked={data.bodyType === 'form-data'}
-                          onchange={(e:any)=>{
-            if (e.target?.checked){
-                updateNodeData(currentNodeId,{
-                    bodyType: 'form-data',
-                })
-            }
-        }} />form-data</label>
-            <label><Input type="radio" value="x-www-form-urlencoded"
-                          checked={data.bodyType === 'x-www-form-urlencoded'} onchange={(e:any)=>{
-                          if (e.target?.checked){
-                              updateNodeData(currentNodeId,{
-                                  bodyType: 'x-www-form-urlencoded',
-                              })
-                          }
-        }} />x-www-form-urlencoded</label>
-            <label><Input type="radio" value="json" checked={data.bodyType === 'json'}
-                          onchange={(e:any)=>{
-                            if (e.target?.checked){
-                                updateNodeData(currentNodeId,{
-                                    bodyType: 'json',
-                                })
-                            }
-        }} />json</label>
-            <label><Input type="radio" value="raw" checked={data.bodyType === 'raw'}
-                          onchange={(e:any)=>{
-                            if (e.target?.checked){
-                                updateNodeData(currentNodeId,{
-                                    bodyType: 'raw',
-                                })
-                            }
-        }} />raw</label>
+    {#if showBodyConfig}
+        <div class="http-section">
+            <div class="section-title">Body 类型</div>
+            <div class="radio-group">
+                {#each bodyTypeOptions as option}
+                    <label class:active={((data.bodyType || '') === option.value)}>
+                        <Input
+                            type="radio"
+                            name={"http-body-type-" + currentNodeId}
+                            value={option.value}
+                            checked={(data.bodyType || '') === option.value}
+                            onchange={(e:any)=>{
+                                if (e.target?.checked){
+                                    updateNodeData(currentNodeId,{
+                                        bodyType: option.value,
+                                    })
+                                }
+                            }}
+                        />
+                        <span>{option.label}</span>
+                    </label>
+                {/each}
+            </div>
         </div>
     {/if}
 
 
     {#if data.bodyType === 'form-data'}
-        <div class="heading" style="padding-top: 10px">
+        <div class="http-section">
+            <div class="heading heading-tight">
             <Heading level={3}>参数</Heading>
             <Button class="input-btn-more" style="margin-left: auto" onclick={()=>{
             addParameter(currentNodeId,'formData')
@@ -182,13 +185,15 @@
                     <path d="M11 11V5H13V11H19V13H13V19H11V13H5V11H11Z"></path>
                 </svg>
             </Button>
+            </div>
+            <RefParameterList dataKeyName="formData" />
         </div>
-        <RefParameterList dataKeyName="formData" />
     {/if}
 
 
     {#if data.bodyType === 'x-www-form-urlencoded'}
-        <div class="heading" style="padding-top: 10px">
+        <div class="http-section">
+            <div class="heading heading-tight">
             <Heading level={3}>Body 参数</Heading>
             <Button class="input-btn-more" style="margin-left: auto" onclick={()=>{
             addParameter(currentNodeId,'formUrlencoded')
@@ -197,13 +202,20 @@
                     <path d="M11 11V5H13V11H19V13H13V19H11V13H5V11H11Z"></path>
                 </svg>
             </Button>
+            </div>
+            <RefParameterList dataKeyName="formUrlencoded" />
         </div>
-        <RefParameterList dataKeyName="formUrlencoded" />
     {/if}
 
     {#if data.bodyType === 'json'}
-        <div style="width: 100%">
-            <Textarea rows={5} style="width: 100%" placeholder="请输入 json 信息" value={data.bodyJson}
+        <div class="http-section">
+            <div class="section-title">JSON Body</div>
+            <ParamTokenEditor
+                      mode="textarea"
+                      rows={5}
+                      style="width: 100%"
+                      parameters={editorParameters}
+                      placeholder="请输入 json 信息" value={data.bodyJson}
                       oninput={(e:any)=>{
                           updateNodeData(currentNodeId,{
                               bodyJson: e.target.value,
@@ -214,8 +226,14 @@
 
 
     {#if data.bodyType === 'raw'}
-        <div style="width: 100%">
-            <Textarea rows={5} style="width: 100%" placeholder="请输入请求信息" value={data.bodyRaw}
+        <div class="http-section">
+            <div class="section-title">Raw Body</div>
+            <ParamTokenEditor
+                      mode="textarea"
+                      rows={5}
+                      style="width: 100%"
+                      parameters={editorParameters}
+                      placeholder="请输入请求信息" value={data.bodyRaw}
                       oninput={(e:any)=>{
                           updateNodeData(currentNodeId,{
                               bodyRaw: e.target.value,
@@ -242,22 +260,78 @@
 <style lang="less">
   .heading {
     display: flex;
+    align-items: center;
     margin-bottom: 10px;
   }
 
+  .heading-tight {
+    margin-bottom: 8px;
+  }
+
+  .http-section {
+    margin: 10px 0;
+    padding: 10px;
+    border: 1px solid #e6eaf2;
+    border-radius: 8px;
+    background: #fafcff;
+  }
+
+  .section-title {
+    font-size: 12px;
+    line-height: 1.3;
+    color: #6b7280;
+    font-weight: 600;
+    margin-bottom: 8px;
+  }
+
+  .http-url-row {
+    display: flex;
+    gap: 8px;
+    align-items: center;
+    width: 100%;
+  }
+
+  .method-select {
+    width: 118px;
+    flex-shrink: 0;
+  }
+
+  .url-input-wrap {
+    flex: 1;
+    min-width: 0;
+  }
+
   .radio-group {
     display: flex;
-    margin: 10px 0;
     flex-wrap: wrap;
+    gap: 8px;
 
     label {
-      display: flex;
-      font-size: 14px;
+      display: inline-flex;
+      align-items: center;
+      gap: 6px;
+      font-size: 12px;
       box-sizing: border-box;
+      padding: 5px 10px;
+      border-radius: 999px;
+      border: 1px solid #dbe3f3;
+      background: #fff;
+      color: #4b5563;
+      cursor: pointer;
+      transition: all 0.15s ease;
+    }
+
+    label.active {
+      background: #eef4ff;
+      border-color: #c7d8ff;
+      color: #1d4ed8;
+    }
+
+    :global(input[type='radio']) {
+      margin: 0;
+      width: 12px;
+      height: 12px;
     }
   }
 
 </style>
-
-
-
diff --git a/easyflow-ui-admin/packages/tinyflow-ui/src/components/nodes/KnowledgeNode.svelte b/easyflow-ui-admin/packages/tinyflow-ui/src/components/nodes/KnowledgeNode.svelte
index e2ce8ef..2a72a04 100644
--- a/easyflow-ui-admin/packages/tinyflow-ui/src/components/nodes/KnowledgeNode.svelte
+++ b/easyflow-ui-admin/packages/tinyflow-ui/src/components/nodes/KnowledgeNode.svelte
@@ -1,7 +1,7 @@
 <script lang="ts">
   import NodeWrapper from '../core/NodeWrapper.svelte';
-  import {type NodeProps, useSvelteFlow} from '@xyflow/svelte';
-  import {Button, Heading, Input, Select} from '../base';
+  import {type NodeProps, useNodesData, useSvelteFlow} from '@xyflow/svelte';
+  import {Button, Heading, Select} from '../base';
   import RefParameterList from '../core/RefParameterList.svelte';
   import {getCurrentNodeId} from '#components/utils/NodeUtils';
   import {useAddParameter} from '../utils/useAddParameter.svelte';
@@ -9,6 +9,7 @@
   import {onMount} from 'svelte';
   import OutputDefList from '../core/OutputDefList.svelte';
   import type {SelectItem} from '#types';
+  import ParamTokenEditor from '../core/ParamTokenEditor.svelte';
 
   const { data, ...rest }: {
         data: NodeProps['data'],
@@ -16,7 +17,11 @@
     } = $props();
 
     const currentNodeId = getCurrentNodeId();
+    let currentNode = useNodesData(currentNodeId);
     const { addParameter } = useAddParameter();
+    const editorParameters = $derived.by(() => {
+        return (currentNode?.current?.data?.parameters as Array<any>) || data.parameters || [];
+    });
 
     const options = getOptions();
 
@@ -112,9 +117,13 @@
 
     <div class="setting-title">关键字</div>
     <div class="setting-item">
-        <Input placeholder="请输入关键字" style="width: 100%"
-               value={data.keyword}
-               onchange={(e)=>{
+        <ParamTokenEditor
+               mode="input"
+               placeholder="请输入关键字"
+               style="width: 100%"
+               parameters={editorParameters}
+               value={data.keyword || ''}
+               oninput={(e)=>{
             const newValue = e.target.value;
             updateNodeData(currentNodeId, ()=>{
                 return {
@@ -128,14 +137,21 @@
 
     <div class="setting-title">获取数据量</div>
     <div class="setting-item">
-        <Input placeholder="搜索的数据条数" style="width: 100%" onchange={(e)=>{
+        <ParamTokenEditor
+            mode="input"
+            placeholder="搜索的数据条数"
+            style="width: 100%"
+            parameters={editorParameters}
+            oninput={(e)=>{
             const newValue = e.target.value;
             updateNodeData(currentNodeId, ()=>{
                 return {
                     limit: newValue
                 }
             })
-        }} value={data.limit || ''} />
+        }}
+            value={data.limit || ''}
+        />
     </div>
 
 
@@ -169,5 +185,3 @@
 
 </style>
 
-
-
diff --git a/easyflow-ui-admin/packages/tinyflow-ui/src/components/nodes/LLMNode.svelte b/easyflow-ui-admin/packages/tinyflow-ui/src/components/nodes/LLMNode.svelte
index 824c32d..114d882 100644
--- a/easyflow-ui-admin/packages/tinyflow-ui/src/components/nodes/LLMNode.svelte
+++ b/easyflow-ui-admin/packages/tinyflow-ui/src/components/nodes/LLMNode.svelte
@@ -1,8 +1,8 @@
 <script lang="ts">
   import NodeWrapper from '../core/NodeWrapper.svelte';
-  import {type NodeProps, useSvelteFlow} from '@xyflow/svelte';
+  import {type NodeProps, useNodesData, useSvelteFlow} from '@xyflow/svelte';
   import {Button, FloatingTrigger, Heading, Select} from '../base';
-  import {MenuButton, Textarea} from '../base/index.js';
+  import {MenuButton} from '../base/index.js';
   import RefParameterList from '../core/RefParameterList.svelte';
   import {getCurrentNodeId} from '#components/utils/NodeUtils';
   import {useAddParameter} from '../utils/useAddParameter.svelte';
@@ -10,6 +10,7 @@
   import {onMount} from 'svelte';
   import OutputDefList from '../core/OutputDefList.svelte';
   import type {SelectItem} from '#types';
+  import ParamTokenEditor from '../core/ParamTokenEditor.svelte';
 
   const { data, ...rest }: {
         data: NodeProps['data'],
@@ -17,7 +18,11 @@
     } = $props();
 
     const currentNodeId = getCurrentNodeId();
+    let currentNode = useNodesData(currentNodeId);
     const { addParameter } = useAddParameter();
+    const editorParameters = $derived.by(() => {
+        return (currentNode?.current?.data?.parameters as Array<any>) || data.parameters || [];
+    });
 
     const options = getOptions();
 
@@ -177,25 +182,29 @@
 
     <div class="setting-title">系统提示词</div>
     <div class="setting-item">
-        <Textarea rows={5}
+        <ParamTokenEditor
+            mode="textarea"
+            rows={5}
             placeholder="请输入系统提示词"
             style="width: 100%"
+            parameters={editorParameters}
             value={data.systemPrompt || ''}
             oninput={(e)=>{
                 updateNodeData(currentNodeId, {
                     systemPrompt: e.target.value
                 });
             }}
-
         />
     </div>
 
     <div class="setting-title">用户提示词</div>
     <div class="setting-item">
-        <Textarea
+        <ParamTokenEditor
+            mode="textarea"
             rows={5}
             placeholder="请输入用户提示词"
             style="width: 100%"
+            parameters={editorParameters}
             value={data.userPrompt || ''}
             oninput={(e)=>{
                 updateNodeData(currentNodeId, {
@@ -288,5 +297,3 @@
     }
 </style>
 
-
-
diff --git a/easyflow-ui-admin/packages/tinyflow-ui/src/components/nodes/SearchEngineNode.svelte b/easyflow-ui-admin/packages/tinyflow-ui/src/components/nodes/SearchEngineNode.svelte
index 82483f9..b4c9732 100644
--- a/easyflow-ui-admin/packages/tinyflow-ui/src/components/nodes/SearchEngineNode.svelte
+++ b/easyflow-ui-admin/packages/tinyflow-ui/src/components/nodes/SearchEngineNode.svelte
@@ -1,7 +1,7 @@
 <script lang="ts">
   import NodeWrapper from '../core/NodeWrapper.svelte';
-  import {type NodeProps, useSvelteFlow} from '@xyflow/svelte';
-  import {Button, Heading, Input, Select} from '../base';
+  import {type NodeProps, useNodesData, useSvelteFlow} from '@xyflow/svelte';
+  import {Button, Heading, Select} from '../base';
   import RefParameterList from '../core/RefParameterList.svelte';
   import {getCurrentNodeId} from '#components/utils/NodeUtils';
   import {useAddParameter} from '../utils/useAddParameter.svelte';
@@ -9,6 +9,7 @@
   import {onMount} from 'svelte';
   import OutputDefList from '../core/OutputDefList.svelte';
   import type {SelectItem} from '#types';
+  import ParamTokenEditor from '../core/ParamTokenEditor.svelte';
 
   const { data, ...rest }: {
         data: NodeProps['data'],
@@ -16,7 +17,11 @@
     } = $props();
 
     const currentNodeId = getCurrentNodeId();
+    let currentNode = useNodesData(currentNodeId);
     const { addParameter } = useAddParameter();
+    const editorParameters = $derived.by(() => {
+        return (currentNode?.current?.data?.parameters as Array<any>) || data.parameters || [];
+    });
 
     const options = getOptions();
 
@@ -99,9 +104,13 @@
 
     <div class="setting-title">关键字</div>
     <div class="setting-item">
-        <Input placeholder="请输入关键字" style="width: 100%"
-               value={data.keyword}
-               onchange={(e)=>{
+        <ParamTokenEditor
+               mode="input"
+               placeholder="请输入关键字"
+               style="width: 100%"
+               parameters={editorParameters}
+               value={data.keyword || ''}
+               oninput={(e)=>{
             const newValue = e.target.value;
             updateNodeData(currentNodeId, ()=>{
                 return {
@@ -114,15 +123,21 @@
 
     <div class="setting-title">搜索数据量</div>
     <div class="setting-item">
-        <Input placeholder="搜索的数据条数" style="width: 100%" value={data.limit}
-               onchange={(e)=>{
+        <ParamTokenEditor
+               mode="input"
+               placeholder="搜索的数据条数"
+               style="width: 100%"
+               value={data.limit || ''}
+               parameters={editorParameters}
+               oninput={(e)=>{
             const newValue = e.target.value;
             updateNodeData(currentNodeId, ()=>{
                 return {
                     limit: newValue
                 }
             })
-        }} />
+        }}
+        />
     </div>
 
 
@@ -156,5 +171,3 @@
 
 </style>
 
-
-
diff --git a/easyflow-ui-admin/packages/tinyflow-ui/src/components/utils/paramToken.test.ts b/easyflow-ui-admin/packages/tinyflow-ui/src/components/utils/paramToken.test.ts
new file mode 100644
index 0000000..236002d
--- /dev/null
+++ b/easyflow-ui-admin/packages/tinyflow-ui/src/components/utils/paramToken.test.ts
@@ -0,0 +1,175 @@
+import { describe, expect, it } from 'vitest';
+
+import {
+    flattenParameterCandidates,
+    findBackspaceTokenRange,
+    findTokenRangeAtCursor,
+    flattenParameterNames,
+    insertTextAtCursor,
+    parseTokenParts,
+    splitTokenDisplay
+} from './paramToken';
+
+describe('paramToken utils', () => {
+    it('should flatten parameter names with nested paths', () => {
+        const result = flattenParameterNames([
+            {
+                name: 'input'
+            },
+            {
+                name: 'documents',
+                children: [
+                    {
+                        name: 'title'
+                    },
+                    {
+                        name: 'meta',
+                        children: [
+                            {
+                                name: 'author'
+                            }
+                        ]
+                    }
+                ]
+            }
+        ]);
+
+        expect(result).toEqual([
+            'input',
+            'documents',
+            'documents.title',
+            'documents.meta',
+            'documents.meta.author'
+        ]);
+    });
+
+    it('should keep unresolved candidates in parameter list', () => {
+        const result = flattenParameterCandidates([
+            {
+                name: 'input',
+                refType: 'ref',
+                ref: ''
+            },
+            {
+                name: 'docs',
+                refType: 'ref',
+                ref: 'documents'
+            },
+            {
+                name: 'runtimeInput',
+                refType: 'input'
+            }
+        ]);
+
+        expect(result).toEqual([
+            {
+                name: 'input',
+                resolved: false
+            },
+            {
+                name: 'docs',
+                resolved: true
+            },
+            {
+                name: 'runtimeInput',
+                resolved: true
+            }
+        ]);
+    });
+
+    it('should insert token text in the middle by cursor range', () => {
+        const result = insertTextAtCursor('hello world', '{{input}}', 6, 11);
+        expect(result).toEqual({
+            value: 'hello {{input}}',
+            cursor: 15
+        });
+    });
+
+    it('should append token text when cursor info is missing', () => {
+        const result = insertTextAtCursor('hello', '{{name}}');
+        expect(result).toEqual({
+            value: 'hello{{name}}',
+            cursor: 13
+        });
+    });
+
+    it('should parse token parts and mark valid tokens', () => {
+        const parts = parseTokenParts(
+            '你好 {{ user.name }} 与 {{unknown}}',
+            ['user.name', 'docs']
+        );
+
+        expect(parts).toEqual([
+            {
+                type: 'text',
+                text: '你好 '
+            },
+            {
+                type: 'token',
+                text: '{{ user.name }}',
+                key: 'user.name',
+                valid: true
+            },
+            {
+                type: 'text',
+                text: ' 与 '
+            },
+            {
+                type: 'token',
+                text: '{{unknown}}',
+                key: 'unknown',
+                valid: false
+            }
+        ]);
+    });
+
+    it('should keep plain text when token syntax is invalid', () => {
+        const parts = parseTokenParts('abc {{}} def', ['a']);
+        expect(parts).toEqual([
+            {
+                type: 'text',
+                text: 'abc {{}} def'
+            }
+        ]);
+    });
+
+    it('should split token display and hide braces text', () => {
+        const result = splitTokenDisplay('{{ user.name }}', 'user.name');
+        expect(result).toEqual({
+            hiddenPrefix: '{{ ',
+            visibleText: 'user.name',
+            hiddenSuffix: ' }}'
+        });
+    });
+
+    it('should find full token range for backspace delete', () => {
+        const content = 'hello {{input}} world';
+        const tokenEndCursor = 'hello {{input}}'.length;
+        const range = findBackspaceTokenRange(content, tokenEndCursor);
+
+        expect(range).toEqual({
+            start: 6,
+            end: 15,
+            text: '{{input}}',
+            key: 'input'
+        });
+    });
+
+    it('should support boundary match for arrow skip behavior', () => {
+        const content = 'x{{docs}}y';
+        const tokenStart = 1;
+        const tokenEnd = 9;
+
+        const rightBoundary = findTokenRangeAtCursor(content, tokenStart, {
+            includeStart: true,
+            includeEnd: false
+        });
+        const leftBoundary = findTokenRangeAtCursor(content, tokenEnd, {
+            includeStart: false,
+            includeEnd: true
+        });
+
+        expect(rightBoundary?.key).toBe('docs');
+        expect(leftBoundary?.key).toBe('docs');
+    });
+});
diff --git a/easyflow-ui-admin/packages/tinyflow-ui/src/components/utils/paramToken.ts b/easyflow-ui-admin/packages/tinyflow-ui/src/components/utils/paramToken.ts
new file mode 100644
index 0000000..28033e8
--- /dev/null
+++ b/easyflow-ui-admin/packages/tinyflow-ui/src/components/utils/paramToken.ts
@@ -0,0 +1,272 @@
+export interface ParameterLike {
+    name?: string;
+    ref?: string;
+    refType?: string;
+    children?: ParameterLike[];
+}
+
+export interface TokenRange {
+    start: number;
+    end: number;
+    text: string;
+    key: string;
+}
+
+export type TokenPart =
+    | {
+          type: 'text';
+          text: string;
+      }
+    | {
+          type: 'token';
+          text: string;
+          key: string;
+          valid: boolean;
+      };
+
+export interface ParameterCandidate {
+    name: string;
+    resolved: boolean;
+}
+
+const TOKEN_PATTERN = /\{\{\s*([^{}]+?)\s*}}/g;
+
+export function normalizeTokenKey(tokenKey: string): string {
+    return tokenKey.trim();
+}
+
+export function flattenParameterNames(parameters?: ParameterLike[] | null): string[] {
+    return flattenParameterCandidates(parameters).map((item) => item.name);
+}
+
+function isParameterResolved(parameter?: ParameterLike): boolean {
+    if (!parameter) {
+        return false;
+    }
+
+    const refType = (parameter.refType || '').trim();
+    if (refType === 'fixed' || refType === 'input') {
+        return true;
+    }
+
+    const ref = (parameter.ref || '').trim();
+    return !!ref;
+}
+
+export function flattenParameterCandidates(parameters?: ParameterLike[] | null): ParameterCandidate[] {
+    if (!parameters || parameters.length === 0) {
+        return [];
+    }
+
+    const candidates: ParameterCandidate[] = [];
+    const indexMap = new Map<string, number>();
+
+    const addCandidate = (name: string, resolved: boolean) => {
+        const normalized = name.trim();
+        if (!normalized) {
+            return;
+        }
+        const exists = indexMap.get(normalized);
+        if (exists === undefined) {
+            indexMap.set(normalized, candidates.length);
+            candidates.push({
+                name: normalized,
+                resolved
+            });
+            return;
+        }
+
+        // 同名参数只要有一个可解析，就视为可解析
+        if (resolved) {
+            candidates[exists].resolved = true;
+        }
+    };
+
+    const walk = (items: ParameterLike[], parentPath = '', inheritedResolved = true) => {
+        for (const item of items) {
+            const rawName = item?.name?.trim();
+            if (!rawName) {
+                continue;
+            }
+
+            const currentPath = parentPath ? `${parentPath}.${rawName}` : rawName;
+            const currentResolved = inheritedResolved && isParameterResolved(item);
+            addCandidate(currentPath, currentResolved);
+
+            if (item.children && item.children.length > 0) {
+                walk(item.children, currentPath, currentResolved);
+            }
+        }
+    };
+
+    walk(parameters);
+    return candidates;
+}
+
+export function parseTokenParts(content: string, validParams: string[] = []): TokenPart[] {
+    const source = content ?? '';
+    const validSet = new Set(validParams.map(normalizeTokenKey));
+    const parts: TokenPart[] = [];
+
+    let lastIndex = 0;
+    TOKEN_PATTERN.lastIndex = 0;
+    let match: RegExpExecArray | null = TOKEN_PATTERN.exec(source);
+
+    while (match) {
+        if (match.index > lastIndex) {
+            parts.push({
+                type: 'text',
+                text: source.slice(lastIndex, match.index)
+            });
+        }
+
+        const rawToken = match[0];
+        const tokenKey = normalizeTokenKey(match[1] || '');
+        parts.push({
+            type: 'token',
+            text: rawToken,
+            key: tokenKey,
+            valid: validSet.has(tokenKey)
+        });
+
+        lastIndex = match.index + rawToken.length;
+        match = TOKEN_PATTERN.exec(source);
+    }
+
+    if (lastIndex < source.length) {
+        parts.push({
+            type: 'text',
+            text: source.slice(lastIndex)
+        });
+    }
+
+    if (parts.length === 0) {
+        parts.push({
+            type: 'text',
+            text: source
+        });
+    }
+
+    return parts;
+}
+
+export function getTokenRanges(content: string): TokenRange[] {
+    const source = content ?? '';
+    const ranges: TokenRange[] = [];
+    TOKEN_PATTERN.lastIndex = 0;
+    let match: RegExpExecArray | null = TOKEN_PATTERN.exec(source);
+
+    while (match) {
+        const rawToken = match[0];
+        ranges.push({
+            start: match.index,
+            end: match.index + rawToken.length,
+            text: rawToken,
+            key: normalizeTokenKey(match[1] || '')
+        });
+        match = TOKEN_PATTERN.exec(source);
+    }
+
+    return ranges;
+}
+
+export function findTokenRangeAtCursor(
+    content: string,
+    cursor: number,
+    options?: {
+        includeStart?: boolean;
+        includeEnd?: boolean;
+    }
+): TokenRange | null {
+    if (!Number.isInteger(cursor) || cursor < 0) {
+        return null;
+    }
+
+    const includeStart = options?.includeStart ?? false;
+    const includeEnd = options?.includeEnd ?? false;
+    const ranges = getTokenRanges(content);
+    for (const range of ranges) {
+        const leftValid = includeStart ? cursor >= range.start : cursor > range.start;
+        const rightValid = includeEnd ? cursor <= range.end : cursor < range.end;
+        if (leftValid && rightValid) {
+            return range;
+        }
+    }
+
+    return null;
+}
+
+export function findBackspaceTokenRange(content: string, cursor: number): TokenRange | null {
+    return findTokenRangeAtCursor(content, cursor, {
+        includeStart: false,
+        includeEnd: true
+    });
+}
+
+export function splitTokenDisplay(rawToken: string, normalizedKey?: string): {
+    hiddenPrefix: string;
+    visibleText: string;
+    hiddenSuffix: string;
+} {
+    const source = rawToken ?? '';
+    if (!source.startsWith('{{') || !source.endsWith('}}')) {
+        return {
+            hiddenPrefix: '',
+            visibleText: normalizedKey || source,
+            hiddenSuffix: ''
+        };
+    }
+
+    const inner = source.slice(2, -2);
+    const visibleText = normalizeTokenKey(normalizedKey || inner);
+    if (!visibleText) {
+        return {
+            hiddenPrefix: '',
+            visibleText: source,
+            hiddenSuffix: ''
+        };
+    }
+
+    const innerStart = inner.indexOf(visibleText);
+    const leading = innerStart >= 0 ? inner.slice(0, innerStart) : '';
+    const trailing = innerStart >= 0 ? inner.slice(innerStart + visibleText.length) : '';
+
+    return {
+        hiddenPrefix: `{{${leading}`,
+        visibleText,
+        hiddenSuffix: `${trailing}}}`
+    };
+}
+
+export function insertTextAtCursor(
+    content: string,
+    insertedText: string,
+    selectionStart?: number | null,
+    selectionEnd?: number | null
+): {
+    value: string;
+    cursor: number;
+} {
+    const source = content ?? '';
+    const start = Number.isInteger(selectionStart)
+        ? Math.max(0, Math.min(selectionStart as number, source.length))
+        : source.length;
+    const end = Number.isInteger(selectionEnd)
+        ? Math.max(start, Math.min(selectionEnd as number, source.length))
+        : start;
+
+    const nextValue = source.slice(0, start) + insertedText + source.slice(end);
+    return {
+        value: nextValue,
+        cursor: start + insertedText.length
+    };
+}
+
+export function escapeHtml(text: string): string {
+    return text
+        .replaceAll('&', '&amp;')
+        .replaceAll('<', '&lt;')
+        .replaceAll('>', '&gt;')
+        .replaceAll('"', '&quot;')
+        .replaceAll("'", '&#39;');
+}
diff --git a/easyflow-ui-admin/packages/tinyflow-ui/src/types.ts b/easyflow-ui-admin/packages/tinyflow-ui/src/types.ts
index a72aadf..ae14226 100644
--- a/easyflow-ui-admin/packages/tinyflow-ui/src/types.ts
+++ b/easyflow-ui-admin/packages/tinyflow-ui/src/types.ts
@@ -36,6 +36,7 @@ export type CustomNodeForm = {
     defaultValue?: string | number | boolean;
     attrs?: Record<string, any>;
     options?: SelectItem[];
+    templateSupport?: boolean;
     chosen?: {
         labelDataKey: string;
         valueDataKey: string;