diff --git a/src/api/settings/workflow/index.ts b/src/api/settings/workflow/index.ts
index a2f7d00..7c0c9a9 100644
--- a/src/api/settings/workflow/index.ts
+++ b/src/api/settings/workflow/index.ts
@@ -25,8 +25,11 @@ export interface NodeLibraryItem {
 	sort: number;
 	desc?: string;
 	batchExecOption: boolean;
-	preToolOption: boolean;
-	postToolOption: boolean;
+	// 是否允许该节点内「引用上级节点输出」多选（true 时所有引用下拉可多选；节点库返回，仅 model 节点 true）
+	isMultiParameter: boolean;
+	// 前置/后置方法配置定义（结构同 presetOption，值为数组；仅 model 节点提供）
+	preToolOption: NodeLibraryPresetOption[] | null;
+	postToolOption: NodeLibraryPresetOption[] | null;
 	skillOption: boolean;
 	promptOption: boolean;
 	negativePromptOption: boolean;
diff --git a/src/views/home/components/WorkflowFormCard.vue b/src/views/home/components/WorkflowFormCard.vue
index 0f4a1bb..0194e2c 100644
--- a/src/views/home/components/WorkflowFormCard.vue
+++ b/src/views/home/components/WorkflowFormCard.vue
@@ -229,14 +229,20 @@ const getVisibleFields = (node: any): any[] => {
 	return collectHomeFormFields(node);
 };
 
-// 引用来源展示：valueSource.nodeId 定位上游节点名 + 字段
+// 引用来源展示：valueSource 统一数组 [{ nodeId, field }]（兼容旧 DSL 单对象），逐项定位上游节点名 + 字段
 const getSourceDisplay = (field: any): string => {
 	const vs = field?.valueSource;
 	if (!vs || typeof vs !== 'object') return '';
+	const arr = Array.isArray(vs) ? vs : [vs];
 	const nodes = props.detail?.nodeInputParams || [];
-	const srcNode = nodes.find((n: any) => String(n?.id) === String(vs.nodeId));
-	const nodeName = srcNode?.name || srcNode?.nodeName || (vs.nodeId ? `节点 ${vs.nodeId}` : '上游节点');
-	return vs.field ? `${nodeName} · ${vs.field}` : nodeName;
+	const parts = arr
+		.filter((r: any) => r && typeof r === 'object')
+		.map((r: any) => {
+			const srcNode = nodes.find((n: any) => String(n?.id) === String(r.nodeId));
+			const nodeName = srcNode?.name || srcNode?.nodeName || (r.nodeId ? `节点 ${r.nodeId}` : '上游节点');
+			return r.field ? `${nodeName} · ${r.field}` : nodeName;
+		});
+	return parts.join('，');
 };
 
 const isFileField = (field: any): boolean => {
diff --git a/src/views/settings/workflow/component/MfReferenceButton.vue b/src/views/settings/workflow/component/MfReferenceButton.vue
index 3f21868..98d6302 100644
--- a/src/views/settings/workflow/component/MfReferenceButton.vue
+++ b/src/views/settings/workflow/component/MfReferenceButton.vue
@@ -1,5 +1,5 @@
 <template>
-	<!-- 引用上级节点输出：按钮 + 候选面板（叶子字段 + 对象/数组整体） -->
+	<!-- 引用上级节点输出：按钮 + 候选面板（叶子字段 + 对象/数组整体）；multi 时支持多选 -->
 	<el-popover
 		v-if="canValueSource"
 		placement="bottom"
@@ -32,8 +32,12 @@
 						v-for="of in node.outputFields"
 						:key="`${of.field}-${of.fieldType || 'scalar'}`"
 						class="mf-ref-field"
-						@click="setValueSource(node, of)"
+						:class="{ 'is-selected': isSelected(node, of) }"
+						@click="toggleValueSource(node, of)"
 					>
+						<span class="mf-ref-check">
+							<el-icon v-if="isSelected(node, of)"><Check /></el-icon>
+						</span>
 						<span v-if="of.fieldType === 'object'" class="mf-ref-type" title="引用对象整体">{} 对象</span>
 						<span v-else-if="of.fieldType === 'array'" class="mf-ref-type" title="引用数组整体">[] 数组</span>
 						<span class="mf-ref-field-text">{{ of.label || of.field }}</span>
@@ -46,7 +50,7 @@
 
 <script setup lang="ts">
 import { computed } from 'vue';
-import { Link } from '@element-plus/icons-vue';
+import { Check, Link } from '@element-plus/icons-vue';
 
 defineOptions({ name: 'MfReferenceButton' });
 
@@ -63,7 +67,7 @@ interface UpstreamNodeInfo {
 	outputFields: UpstreamField[];
 }
 
-const props = defineProps<{ fieldDef: any; upstreamNodes?: UpstreamNodeInfo[] }>();
+const props = defineProps<{ fieldDef: any; upstreamNodes?: UpstreamNodeInfo[]; multi?: boolean }>();
 
 // 可引用：非开关、非固定选项下拉（开关/下拉值来自模型）；叶子与对象/数组整体均可引用
 const canValueSource = computed(() => {
@@ -73,10 +77,35 @@ const canValueSource = computed(() => {
 });
 const hasUpstream = computed(() => (props.upstreamNodes?.length ?? 0) > 0);
 
-// 选中前驱节点输出字段：就地写 fieldDef.valueSource，复用父组件深 watch 上传链路
-const setValueSource = (node: UpstreamNodeInfo, of: UpstreamField) => {
+// 当前引用集合（契约统一数组 [{ nodeId, field }]；兼容旧 DSL 单对象）
+const valueSource = computed<any[]>(() => {
+	const vs = props.fieldDef?.valueSource;
+	if (Array.isArray(vs)) return vs;
+	return vs && typeof vs === 'object' && !Array.isArray(vs) ? [vs] : [];
+});
+
+const isSelected = (node: UpstreamNodeInfo, of: UpstreamField): boolean =>
+	valueSource.value.some((r) => r && r.nodeId === node.id && r.field === of.field);
+
+// 点选切换：就地写 fieldDef.valueSource 数组，复用父组件深 watch 上传链路
+const toggleValueSource = (node: UpstreamNodeInfo, of: UpstreamField) => {
 	if (!props.fieldDef) return;
-	props.fieldDef.valueSource = { nodeId: node.id, field: of.field };
+	const cur = valueSource.value;
+	if (props.multi) {
+		// 多选：勾选/取消切换，同字段去重
+		if (isSelected(node, of)) {
+			props.fieldDef.valueSource = cur.filter((r) => !(r && r.nodeId === node.id && r.field === of.field));
+		} else {
+			props.fieldDef.valueSource = [...cur, { nodeId: node.id, field: of.field }];
+		}
+	} else {
+		// 单选：点已选字段取消，否则替换为单元素数组
+		if (cur.length === 1 && isSelected(node, of)) {
+			props.fieldDef.valueSource = [];
+		} else {
+			props.fieldDef.valueSource = [{ nodeId: node.id, field: of.field }];
+		}
+	}
 };
 </script>
 
@@ -141,11 +170,25 @@ const setValueSource = (node: UpstreamNodeInfo, of: UpstreamField) => {
 				border-radius: 4px;
 				cursor: pointer;
 
+				.mf-ref-check {
+					flex-shrink: 0;
+					width: 14px;
+					font-size: 12px;
+					color: #3b82f6;
+					display: inline-flex;
+					align-items: center;
+				}
+
 				&:hover {
 					background: #eff6ff;
 					color: #3b82f6;
 				}
 
+				&.is-selected {
+					background: #eff6ff;
+					color: #3b82f6;
+				}
+
 				.mf-ref-type {
 					flex-shrink: 0;
 					font-size: 11px;
diff --git a/src/views/settings/workflow/component/ModelField.vue b/src/views/settings/workflow/component/ModelField.vue
index 3abfa83..902032b 100644
--- a/src/views/settings/workflow/component/ModelField.vue
+++ b/src/views/settings/workflow/component/ModelField.vue
@@ -16,6 +16,7 @@
 						:field-def="childDef"
 						:path="path ? `${path}.attrs.${childKey}` : childKey"
 						:upstream-nodes="upstreamNodes"
+						:multi="multi"
 					/>
 				</div>
 			</div>
@@ -46,6 +47,7 @@
 								:field-def="subDef"
 								:path="path ? `${path}.enumValues[${idx}].attrs.${subKey}` : String(subKey)"
 								:upstream-nodes="upstreamNodes"
+							:multi="multi"
 							/>
 						</template>
 						<el-input v-else :model-value="getTemplatePrimitive(item)" @input="(v: any) => setTemplatePrimitive(item, v)" size="small" />
@@ -71,12 +73,22 @@
 							class="mf-leaf-expose"
 						>表单展示</el-checkbox>
 					</el-tooltip>
-					<!-- 引用上级输出与「表单展示」勾选同级：所有叶子参数（含数组元素内字段）都可引用 -->
-					<MfReferenceButton :field-def="def" :upstream-nodes="upstreamNodes" />
+					<!-- 引用上级输出与「表单展示」勾选同级：所有叶子参数（含数组元素内字段）都可引用；multi 时支持多选 -->
+					<MfReferenceButton :field-def="def" :upstream-nodes="upstreamNodes" :multi="multi" />
 				</div>
 				<div v-if="hasValueSource" class="mf-ref-bound" :class="{ 'is-invalid': valueSourceInvalid }">
-					<span class="mf-ref-bound-text" :title="valueSourceLabel">已引用：{{ valueSourceLabel }}</span>
-					<el-button size="small" text type="danger" @click="clearValueSource">清除</el-button>
+					<div class="mf-ref-tags">
+						<el-tag
+							v-for="(ref, i) in valueSourceList"
+							:key="`${ref.nodeId}-${ref.field}-${i}`"
+							size="small"
+							class="mf-ref-tag"
+							:type="ref.invalid ? 'danger' : ''"
+							closable
+							@close="removeValueSource(ref)"
+						>{{ ref.label }}</el-tag>
+					</div>
+					<el-button size="small" text type="danger" @click="clearValueSource">清空</el-button>
 				</div>
 				<div v-if="!hasValueSource && !isUpload" class="mf-leaf-ctrl">
 					<el-input-number
@@ -135,7 +147,7 @@ interface UpstreamNodeInfo {
 	outputFields: { field: string; label: string; fieldType?: 'scalar' | 'object' | 'array' }[];
 }
 
-const props = defineProps<{ fieldDef: any; path?: string; upstreamNodes?: UpstreamNodeInfo[] }>();
+const props = defineProps<{ fieldDef: any; path?: string; upstreamNodes?: UpstreamNodeInfo[]; multi?: boolean }>();
 
 // 用 computed 实时取当前 props，避免 internalSync 替换对象树后仍持有旧引用
 const def = computed(() => props.fieldDef);
@@ -167,37 +179,56 @@ const isUpload = computed(() => isLeaf.value && fieldType.value === 'upload');
 
 // ===== 引用上级节点输出 =====
 // 引用按钮与候选面板在 MfReferenceButton 中统一渲染（叶子与对象/数组整体均可引用）
-const hasValueSource = computed(() => !!def.value?.valueSource);
-// 已引用时的展示文案：{节点label}.{字段label}
-const valueSourceLabel = computed(() => {
-	const ref = def.value?.valueSource;
-	if (!ref) return '';
-	const node = props.upstreamNodes?.find((n) => n.id === ref.nodeId);
-	const nodeName = node?.label || ref.nodeId;
-	const fieldLabel = node?.outputFields.find((f) => f.field === ref.field)?.label || ref.field;
-	return `${nodeName}.${fieldLabel}`;
+// valueSource 契约统一数组 [{ nodeId, field }]；multi（节点 isMultiParameter）时支持多选
+const valueSourceList = computed(() => {
+	const vs = def.value?.valueSource;
+	// 兼容旧 DSL 单对象 { nodeId, field }：统一按数组读取
+	if (!vs || typeof vs !== 'object') return [];
+	const arr = Array.isArray(vs) ? vs : [vs];
+	return arr.map((r: any) => {
+		const node = props.upstreamNodes?.find((n) => n.id === r?.nodeId);
+		const nodeName = node?.label || r?.nodeId || '';
+		const fieldLabel = node?.outputFields.find((f) => f.field === r?.field)?.label || r?.field || '';
+		const invalid = !node || !node.outputFields.some((f) => f.field === r?.field);
+		return { nodeId: r?.nodeId, field: r?.field, label: `${nodeName}.${fieldLabel}`, invalid };
+	});
 });
+const hasValueSource = computed(() => valueSourceList.value.length > 0);
+// 任一引用失效即整体标红（失效项逐条展示，由失效清理 watch 自动移除）
+const valueSourceInvalid = computed(() => valueSourceList.value.some((r) => r.invalid));
 
-// 引用是否已失效：上游节点被删除，或其输出字段已不存在（换模型/换配置导致 schema 变化）
-const valueSourceInvalid = computed(() => {
-	const ref = def.value?.valueSource;
-	if (!ref) return false;
-	const node = props.upstreamNodes?.find((n) => n.id === ref.nodeId);
-	if (!node) return true;
-	return !node.outputFields.some((f) => f.field === ref.field);
-});
-
-// 失效引用自动清理，避免保存脏数据（就地删除 valueSource，复用深 watch 上传链路）
+// 失效引用自动清理，避免保存脏数据（过滤失效项；全部失效则删除整个 valueSource，复用深 watch 上传链路）
 watch(
-	valueSourceInvalid,
-	(invalid) => {
-		if (invalid && def.value) {
-			delete def.value.valueSource;
-		}
+	() => valueSourceList.value,
+	(list) => {
+		if (!def.value) return;
+		const vs = def.value.valueSource;
+		if (!vs || typeof vs !== 'object') return;
+		// 兼容旧 DSL 单对象：按数组处理，清理后统一写回数组
+		const arr = Array.isArray(vs) ? vs : [vs];
+		if (!list.some((r) => r.invalid)) return;
+		const keep = arr.filter((r: any) => {
+			const node = props.upstreamNodes?.find((n) => n.id === r?.nodeId);
+			return node && node.outputFields.some((f) => f.field === r?.field);
+		});
+		if (keep.length === 0) delete def.value.valueSource;
+		else def.value.valueSource = keep;
 	},
 	{ immediate: true }
 );
 
+// 删除单个引用（标签 closable）
+const removeValueSource = (ref: any) => {
+	if (!def.value) return;
+	const vs = def.value.valueSource;
+	if (!vs || typeof vs !== 'object') return;
+	const arr = Array.isArray(vs) ? vs : [vs];
+	const keep = arr.filter((r: any) => !(r?.nodeId === ref.nodeId && r?.field === ref.field));
+	if (keep.length === 0) delete def.value.valueSource;
+	else def.value.valueSource = keep;
+};
+
+// 清空全部引用
 const clearValueSource = () => {
 	if (!def.value) return;
 	delete def.value.valueSource;
@@ -446,20 +477,26 @@ const variantLabel = (idx: number): string => templateLabel(def.value?.enumValue
 
 	.mf-ref-bound {
 		display: flex;
-		align-items: center;
-		gap: 8px;
+		align-items: flex-start;
+		gap: 6px;
 		font-size: 12px;
 		color: #3b82f6;
 		background: #eff6ff;
 		border-radius: 4px;
-		padding: 4px 8px;
+		padding: 6px 8px;
 
-		.mf-ref-bound-text {
+		.mf-ref-tags {
 			flex: 1;
 			min-width: 0;
-			overflow: hidden;
-			text-overflow: ellipsis;
-			white-space: nowrap;
+			display: flex;
+			flex-wrap: wrap;
+			gap: 4px;
+
+			.mf-ref-tag {
+				:deep(.el-tag__content) {
+					font-size: 12px;
+				}
+			}
 		}
 
 		&.is-invalid {
diff --git a/src/views/settings/workflow/component/ModelParamsForm.vue b/src/views/settings/workflow/component/ModelParamsForm.vue
index 9907b22..2b90608 100644
--- a/src/views/settings/workflow/component/ModelParamsForm.vue
+++ b/src/views/settings/workflow/component/ModelParamsForm.vue
@@ -14,6 +14,7 @@
 					:field-def="def"
 					:path="key"
 					:upstream-nodes="upstreamNodes"
+					:multi="multi"
 				/>
 			</div>
 		</div>
@@ -33,7 +34,7 @@ interface UpstreamNodeInfo {
 	outputFields: { field: string; label: string }[];
 }
 
-const props = defineProps<{ modelRequestParams: Record<string, any> | null; upstreamNodes?: UpstreamNodeInfo[] }>();
+const props = defineProps<{ modelRequestParams: Record<string, any> | null; upstreamNodes?: UpstreamNodeInfo[]; multi?: boolean }>();
 const emit = defineEmits<{ 'update:modelRequestParams': [Record<string, any> | null] }>();
 
 const localParams = ref<Record<string, any>>({});
diff --git a/src/views/settings/workflow/component/NodeConfigPanel.vue b/src/views/settings/workflow/component/NodeConfigPanel.vue
index c37e0f1..347e381 100644
--- a/src/views/settings/workflow/component/NodeConfigPanel.vue
+++ b/src/views/settings/workflow/component/NodeConfigPanel.vue
@@ -13,8 +13,39 @@
 						@update:model-value="updateNodeDesc"
 					/>
 				</el-form-item>
-				<el-form-item label="节点类型">
-					<el-tag>{{ selectedNode.data?.nodeCode }}</el-tag>
+
+				<!-- 前置方法 / 后置方法（节点库 preToolOption / postToolOption 配置定义，值保存到节点顶层 preTool / postTool，与 outputConfig 平级） -->
+				<el-form-item v-if="preToolDef" :label="preToolDef.label || '前置方法'">
+					<el-select
+						:model-value="selectedNode.data?.preTool ?? ''"
+						@update:model-value="updatePreTool"
+						clearable
+						class="w100"
+						:placeholder="preToolDef.required ? '必选' : '选填'"
+					>
+						<el-option
+							v-for="opt in preToolDef.options || []"
+							:key="opt.key || opt.value"
+							:label="opt.value ?? opt.key"
+							:value="opt.key ?? opt.value"
+						/>
+					</el-select>
+				</el-form-item>
+				<el-form-item v-if="postToolDef" :label="postToolDef.label || '后置方法'">
+					<el-select
+						:model-value="selectedNode.data?.postTool ?? ''"
+						@update:model-value="updatePostTool"
+						clearable
+						class="w100"
+						:placeholder="postToolDef.required ? '必选' : '选填'"
+					>
+						<el-option
+							v-for="opt in postToolDef.options || []"
+							:key="opt.key || opt.value"
+							:label="opt.value ?? opt.key"
+							:value="opt.key ?? opt.value"
+						/>
+					</el-select>
 				</el-form-item>
 
 				<!-- 开始节点：运行表单字段摘要（来自各模型节点勾选的「表单展示」字段） -->
@@ -219,6 +250,7 @@
 						<SubFlowParams
 							:fields="subFlowConfig.fields"
 							:upstream-nodes="upstreamNodes"
+							:multi="!!nodeConfig?.isMultiParameter"
 							@update:fields="updateSubFlowFields"
 						/>
 					</template>
@@ -245,6 +277,7 @@
 					<ModelParamsForm
 						:model-request-params="selectedNode.data.modelConfig.modelRequestParams"
 						:upstream-nodes="upstreamNodes"
+						:multi="!!nodeConfig?.isMultiParameter"
 						@update:model-request-params="updateModelRequestParams"
 					/>
 				</template>
@@ -291,6 +324,8 @@ interface NodeData {
 	negativePrompt?: string;
 	patchLayout?: boolean;
 	isSaveFile?: boolean;
+	preTool?: string | null;
+	postTool?: string | null;
 	runFormFields?: any[];
 	// 子流程节点（sub_flow）：引入的工作流配置（workflowId + 引入参数）
 	subFlowConfig?: any;
@@ -298,6 +333,9 @@ interface NodeData {
 
 interface NodeConfig {
 	formConfig: any[];
+	preToolOption: any[];
+	postToolOption: any[];
+	isMultiParameter: boolean;
 	modelConfigOption: boolean;
 	formConfigOption: boolean;
 	skillOption: boolean;
@@ -465,6 +503,42 @@ const updateModelRequestParams = (params: Record<string, any> | null) => {
 	emit('update:selectedNode', updatedNode);
 };
 
+// 前置/后置方法配置定义（节点库 preToolOption / postToolOption，仅 model 节点提供；取首个配置项渲染）
+const preToolDef = computed(() => {
+	const defs = props.nodeConfig?.preToolOption;
+	return Array.isArray(defs) && defs.length > 0 ? defs[0] : null;
+});
+const postToolDef = computed(() => {
+	const defs = props.nodeConfig?.postToolOption;
+	return Array.isArray(defs) && defs.length > 0 ? defs[0] : null;
+});
+
+// 前置方法值写节点顶层 preTool（与 outputConfig 平级）
+const updatePreTool = (value: string) => {
+	if (!props.selectedNode?.data) return;
+	const updatedNode = {
+		...props.selectedNode,
+		data: {
+			...props.selectedNode.data,
+			preTool: value,
+		},
+	};
+	emit('update:selectedNode', updatedNode);
+};
+
+// 后置方法值写节点顶层 postTool（与 outputConfig 平级）
+const updatePostTool = (value: string) => {
+	if (!props.selectedNode?.data) return;
+	const updatedNode = {
+		...props.selectedNode,
+		data: {
+			...props.selectedNode.data,
+			postTool: value,
+		},
+	};
+	emit('update:selectedNode', updatedNode);
+};
+
 // 子流程引入参数就地变更（ModelField 已就地写共享引用）：
 // 仅刷新节点引用同步 VueFlow / 父组件状态；fields 为同一数组引用，避免与 SubFlowParams 深 watch 形成循环
 const updateSubFlowFields = (fields: SubFlowField[]) => {
diff --git a/src/views/settings/workflow/component/SubFlowParams.vue b/src/views/settings/workflow/component/SubFlowParams.vue
index 1350bcd..7959d2d 100644
--- a/src/views/settings/workflow/component/SubFlowParams.vue
+++ b/src/views/settings/workflow/component/SubFlowParams.vue
@@ -10,6 +10,7 @@
 				:field-def="f"
 				:path="f.field"
 				:upstream-nodes="upstreamNodes"
+				:multi="multi"
 			/>
 		</template>
 		<el-empty v-else description="该工作流无可引入的开始参数" :image-size="60" />
@@ -26,6 +27,7 @@ defineOptions({ name: 'SubFlowParams' });
 interface Props {
 	fields: SubFlowField[];
 	upstreamNodes?: any[];
+	multi?: boolean;
 }
 
 interface Emits {
diff --git a/src/views/settings/workflow/component/modelParamUtils.ts b/src/views/settings/workflow/component/modelParamUtils.ts
index abebb6e..807c243 100644
--- a/src/views/settings/workflow/component/modelParamUtils.ts
+++ b/src/views/settings/workflow/component/modelParamUtils.ts
@@ -188,7 +188,7 @@ export interface ExposedField {
 	value?: any;
 	defaultValue?: any; // 默认值：首页初始化/回显用
 	fieldConstraint?: any; // 字段约束：上传格式/大小/数量、数字 min/max 等
-	valueSource?: any; // 引用上游节点输出（{ nodeId, field }）；有则首页只读展示
+	valueSource?: any; // 引用上游节点输出（[{ nodeId, field }] 数组，支持多选）；有则首页只读展示
 	multiple?: boolean; // 多文件上传标记
 	refNodeId?: string; // 预留：引用其他节点功能（后续启用）
 }
@@ -232,7 +232,7 @@ export function collectExposedFields(params: any, prefix = ''): ExposedField[] {
 				value: def.value,
 				defaultValue: def.defaultValue,
 				fieldConstraint: def.fieldConstraint && typeof def.fieldConstraint === 'object' ? def.fieldConstraint : undefined,
-				valueSource: def.valueSource && typeof def.valueSource === 'object' ? def.valueSource : undefined,
+				valueSource: Array.isArray(def.valueSource) ? def.valueSource : undefined,
 				multiple: def.multiple || def.fieldType === 'uploadMultiple' || undefined,
 			});
 		}
@@ -243,12 +243,14 @@ export function collectExposedFields(params: any, prefix = ''): ExposedField[] {
 // ===== 模型请求参数扁平清单（modelRequestParamsPath）=====
 // 后端契约：保存时与 modelRequestParams 平级新增 modelRequestParamsPath，
 // 为嵌套模型参数树的全部叶子字段扁平清单（path 文法与 collectExposedFields 一致），
-// 后端按 path 重组请求参数。value 保留当前值；valueSource 规则：
-// - 已有引用配置（用户在设计器配置「引用上游」）→ 原样保留 { nodeId, field }
-// - 无引用但勾选「表单展示」（runtimeShow=true）→ 补 { nodeId: 开始节点id, field: path }
+// 后端按 path 重组请求参数。value 保留当前值；valueSource 规则（统一数组 [{ nodeId, field }]）：
+// - 已有引用配置（用户在设计器配置「引用上游」）→ 原样保留数组
+// - 无引用但勾选「表单展示」（runtimeShow=true）→ 补 [{ nodeId: 开始节点id, field: path }]
 // - 其余 → 不带 valueSource
 export interface ModelRequestParamsPathItem {
 	path: string;
+	// 叶子字段中文名（回显/展示用；无 label 时兜底 path 最后一段字段名）
+	label: string;
 	type: string;
 	required: boolean;
 	value: any;
@@ -290,17 +292,44 @@ function collectAllLeafFields(params: any, prefix = ''): { path: string; def: an
 // 生成 modelRequestParamsPath 扁平清单
 // 所有叶子字段（含对象/数组内部）都支持「引用上游」，valueSource 原样保留；
 // 与编辑器「引用上级输出与表单展示同级」语义一致
-export function buildModelRequestParamsPath(params: any, startNodeId = ''): ModelRequestParamsPathItem[] {
+export function buildModelRequestParamsPath(
+	params: any,
+	startNodeId = '',
+	// 节点输出索引（id → 节点名 + 字段 label），用于补全 valueSource 的引用来源 label
+	outputIndex?: Map<string, { name: string; fields: Map<string, string> }>
+): ModelRequestParamsPathItem[] {
 	const fields = collectAllLeafFields(params);
+	// 引用来源 label：节点名.字段label（无索引/未命中时兜底 field）
+	const resolveRefLabel = (nodeId: string, field: string): string => {
+		const info = outputIndex?.get(nodeId);
+		if (!info) return field;
+		const fieldLabel = info.fields.get(field) || field;
+		return info.name ? `${info.name}.${fieldLabel}` : fieldLabel;
+	};
 	return fields.map(({ path, def }) => {
-		const valueSource =
-			def.valueSource && typeof def.valueSource === 'object'
-				? def.valueSource // 引用上游：前端编辑态 { nodeId, field } 原样保留
-				: def.runtimeShow === true && startNodeId
-					? { nodeId: startNodeId, field: path } // 勾选「表单展示」：补后端契约 { nodeId, field }
-					: undefined;
+		let valueSource: any;
+		if (Array.isArray(def.valueSource)) {
+			// 引用上游：前端编辑态 [{ nodeId, field }] 数组，逐项补 label
+			valueSource = def.valueSource.map((r: any) =>
+				r && r.nodeId && r.field
+					? { nodeId: r.nodeId, field: r.field, label: resolveRefLabel(r.nodeId, r.field) }
+					: r
+				);
+		} else if (def.valueSource && typeof def.valueSource === 'object') {
+			// 兼容旧 DSL 单对象 { nodeId, field }
+			const r = def.valueSource as any;
+			valueSource = [
+				r && r.nodeId && r.field
+					? { nodeId: r.nodeId, field: r.field, label: resolveRefLabel(r.nodeId, r.field) }
+					: r,
+			];
+		} else if (def.runtimeShow === true && startNodeId) {
+			// 勾选「表单展示」：补后端契约数组（指向开始节点，label 取开始节点字段名）
+			valueSource = [{ nodeId: startNodeId, field: path, label: resolveRefLabel(startNodeId, path) }];
+		}
 		return {
 			path,
+			label: def.label || path.split('.').pop() || '',
 			type: def.type || 'string',
 			required: Boolean(def.required),
 			value: def.value ?? '',
@@ -319,8 +348,10 @@ export function restoreRuntimeShow(params: any, fields: ExposedField[] | null |
 		const cur = resolvePath(params, f.path);
 		if (cur && typeof cur === 'object' && !Array.isArray(cur)) {
 			cur.runtimeShow = true;
-			if (startNodeId && cur.valueSource && typeof cur.valueSource === 'object' && cur.valueSource.nodeId === startNodeId) {
-				delete cur.valueSource;
+			if (startNodeId && Array.isArray(cur.valueSource)) {
+				// 移除指向开始节点（表单展示标记）的引用；全部移除后删除整个 valueSource
+				cur.valueSource = cur.valueSource.filter((r: any) => !(r && r.nodeId === startNodeId));
+				if (cur.valueSource.length === 0) delete cur.valueSource;
 			}
 		}
 	}
@@ -334,7 +365,7 @@ export function attachFormFieldValueSources(params: any, fields: ExposedField[]
 		if (!f || typeof f.path !== 'string') continue;
 		const cur = resolvePath(params, f.path);
 		if (cur && typeof cur === 'object' && !Array.isArray(cur)) {
-			cur.valueSource = { nodeId: startNodeId, field: f.path };
+			cur.valueSource = [{ nodeId: startNodeId, field: f.path }];
 		}
 	}
 }
diff --git a/src/views/settings/workflow/component/subFlowTypes.ts b/src/views/settings/workflow/component/subFlowTypes.ts
index 2a528c7..4dc4a23 100644
--- a/src/views/settings/workflow/component/subFlowTypes.ts
+++ b/src/views/settings/workflow/component/subFlowTypes.ts
@@ -19,7 +19,7 @@ export interface SubFlowField {
 	// 多文件上传标记
 	multiple?: boolean;
 	// 引用上级节点输出（主工作流上游）；有值则编辑器内只读引用展示
-	valueSource?: { nodeId: string; field: string } | null;
+	valueSource?: { nodeId: string; field: string }[] | null;
 	// 编辑器内「表单展示」勾选（ModelField 用 runtimeShow）
 	runtimeShow?: boolean;
 }
@@ -45,7 +45,7 @@ export interface SubFlowDslField {
 	fieldConstraint?: any;
 	options?: any[] | null;
 	multiple?: boolean;
-	valueSource?: { nodeId: string; field: string } | null;
+	valueSource?: { nodeId: string; field: string }[] | null;
 	// 勾选表单展示 → 聚合进主工作流开始节点（首页表单可填）
 	isFormField?: boolean;
 }
diff --git a/src/views/settings/workflow/index.vue b/src/views/settings/workflow/index.vue
index d511ef0..239264d 100644
--- a/src/views/settings/workflow/index.vue
+++ b/src/views/settings/workflow/index.vue
@@ -179,6 +179,7 @@ interface NodeData {
 	patchLayout?: boolean;
 	isSaveFile?: boolean;
 	preTool?: string | null;
+	postTool?: string | null;
 	runFormFields?: RunFormField[]; // 仅开始节点使用
 	// 子流程节点（sub_flow）：引入的工作流配置（workflowId + 引入参数）
 	subFlowConfig?: SubFlowConfig | null;
@@ -205,6 +206,9 @@ const nodeConfigMap = computed(() => {
 		string,
 		{
 			formConfig: any[];
+			preToolOption: any[];
+			postToolOption: any[];
+			isMultiParameter: boolean;
 			modelConfigOption: boolean;
 			formConfigOption: boolean;
 			skillOption: boolean;
@@ -217,6 +221,10 @@ const nodeConfigMap = computed(() => {
 		group.nodes.forEach((item) => {
 			map.set(item.key, {
 				formConfig: item.presetOption || [],
+				// 前置/后置方法配置定义（后端新增，仅 model 节点提供；值保存到节点顶层 preTool/postTool 字段）
+				preToolOption: item.preToolOption || [],
+				postToolOption: item.postToolOption || [],
+				isMultiParameter: item.isMultiParameter || false,
 				modelConfigOption: item.modelConfigOption || false,
 				formConfigOption: item.formConfigOption || false,
 				skillOption: item.skillOption || false,
@@ -656,7 +664,7 @@ const syncRunFormFields = () => {
 							value: f.value ?? f.defaultValue ?? '',
 							defaultValue: f.defaultValue,
 							fieldConstraint: f.fieldConstraint && typeof f.fieldConstraint === 'object' ? f.fieldConstraint : undefined,
-							valueSource: f.valueSource && typeof f.valueSource === 'object' ? f.valueSource : undefined,
+							valueSource: Array.isArray(f.valueSource) ? f.valueSource : undefined,
 							options: Array.isArray(f.options) ? f.options : undefined,
 							multiple: isUploadMultiple || f.multiple || undefined,
 							nodeId: n.id,
@@ -1102,7 +1110,7 @@ const buildOutputConfig = (node: Node<NodeData>, startNodeId = '') => {
 			const entry = formConfig.find((f: any) => f.field === def.field);
 			const value = entry?.value ?? '';
 			// 勾选「表单展示」的字段：值来自开始节点表单，补 valueSource 标记（后端契约）
-			const valueSource = def.isFormField === true ? { nodeId: startNodeId, field: def.field } : undefined;
+			const valueSource = def.isFormField === true ? [{ nodeId: startNodeId, field: def.field }] : undefined;
 			if (def.field === 'responseType') {
 				const expand = entry?.expand || [];
 				return {
@@ -1131,7 +1139,7 @@ const buildOutputConfig = (node: Node<NodeData>, startNodeId = '') => {
 				label: f.label || f.field || '',
 				value: f.value ?? '',
 				required: Boolean(f.required),
-				...(fieldName ? { valueSource: { nodeId: startNodeId, field: fieldName } } : {}),
+				...(fieldName ? { valueSource: [{ nodeId: startNodeId, field: fieldName }] } : {}),
 				...(f.type === 'uploadMultiple'
 					? {
 							fieldConstraint: {
@@ -1169,7 +1177,7 @@ const buildOutputConfig = (node: Node<NodeData>, startNodeId = '') => {
 				label: def.label || def.field,
 				// isFormField 字段值在开始节点运行表单，不重复保存（回显从开始节点反查）
 				...(isForm ? {} : { value: entry?.value ?? '' }),
-				...(isForm ? { valueSource: { nodeId: startNodeId, field: def.field } } : {}),
+				...(isForm ? { valueSource: [{ nodeId: startNodeId, field: def.field }] } : {}),
 			};
 		});
 };
@@ -1203,9 +1211,9 @@ const serializeSubFlowConfig = (config: SubFlowConfig | null | undefined, node?:
 			// - 引用上级输出：值来自主工作流上游节点，统一转 field
 			// - 其余：无引用（静态默认值）
 			valueSource: f.runtimeShow
-				? { nodeId: startNodeId, field: f.field }
-				: f.valueSource && typeof f.valueSource === 'object'
-					? { nodeId: f.valueSource.nodeId, field: f.valueSource.field }
+				? [{ nodeId: startNodeId, field: f.field }]
+				: Array.isArray(f.valueSource)
+					? f.valueSource.map((vs: any) => ({ nodeId: vs.nodeId, field: vs.field }))
 					: null,
 			isFormField: Boolean(f.runtimeShow),
 		})),
@@ -1232,11 +1240,12 @@ const buildSubFlowConfigFromDsl = (subConfig: any, startNodeId = '') => {
 			multiple: Boolean(f.multiple) || f.fieldType === 'uploadMultiple',
 			valueSource: (() => {
 				const vs = f.valueSource;
+				// 统一数组：兼容旧 DSL 单对象
+				const arr = Array.isArray(vs) ? vs : vs && typeof vs === 'object' ? [vs] : [];
 				// 指向开始节点：值为表单展示（首页可填），编辑器不显示为引用（勾选由 isFormField 恢复）
-				if (vs && typeof vs === 'object' && vs.nodeId && vs.nodeId === startNodeId) return null;
+				const refs = arr.filter((r: any) => !(r && r.nodeId && r.nodeId === startNodeId));
 				// 引用上级：后端 field（兼容旧 DSL 的 fieldName）转回前端 field 结构
-				if (vs && typeof vs === 'object') return { nodeId: vs.nodeId, field: vs.fieldName ?? vs.field };
-				return null;
+				return refs.length ? refs.map((r: any) => ({ nodeId: r.nodeId, field: r.fieldName ?? r.field })) : null;
 			})(),
 			runtimeShow: Boolean(f.isFormField),
 		})),
@@ -1317,6 +1326,7 @@ const loadWorkflowFromDsl = (dsl: any) => {
 					patchLayout: n.patchLayout || false,
 					isSaveFile: Boolean(n.isSaveFile),
 					preTool: n.preTool ?? null,
+					postTool: n.postTool ?? null,
 					// 子流程节点：恢复引入的工作流配置（无 subConfig 时返回 null，兼容旧 DSL）
 					...(n.nodeCode === 'sub_flow' ? { subFlowConfig: buildSubFlowConfigFromDsl(n.subConfig, startNodeId) } : {}),
 					// 开始节点运行表单字段：新格式存 outputConfig；旧 DSL 顶层 runFormFields 兜底兼容
@@ -1403,6 +1413,16 @@ const confirmSaveWorkflow = async () => {
 		ElMessage.warning(`存在重名运行字段：${dupNames.join('、')}，首页表单可能出现冲突`);
 	}
 
+	// 节点 id → 名称与输出字段（field → label）索引，供 modelRequestParamsPath 的 valueSource label 补全
+	const outputFieldsIndex = new Map<string, { name: string; fields: Map<string, string> }>();
+	nodes.value.forEach((n) => {
+		const fields = getNodeOutputFields(n);
+		outputFieldsIndex.set(n.id, {
+			name: n.data?.label || n.id,
+			fields: new Map(fields.map((f: any) => [f.field, f.label || f.field])),
+		});
+	});
+
 	const workflowDsl = {
 		version: '1.0.0',
 		startNodeId: startNode?.id || '',
@@ -1432,6 +1452,7 @@ const confirmSaveWorkflow = async () => {
 					height: gNode.dimensions?.height || gNode.height || 80,
 				},
 				...(n.data?.preTool ? { preTool: n.data.preTool } : {}),
+				...(n.data?.postTool ? { postTool: n.data.postTool } : {}),
 				isSaveFile: Boolean(n.data?.isSaveFile),
 				// 子流程节点：序列化引入的工作流配置（含 workflowId 与 isFormField 标记）；其余节点保持 null
 				subConfig: nodeCode === 'sub_flow' ? serializeSubFlowConfig(n.data?.subFlowConfig, n, startNode?.id || '') : null,
@@ -1444,7 +1465,7 @@ const confirmSaveWorkflow = async () => {
 						: {}),
 					modelRequestParams: savedModelRequestParams,
 				// 全部叶子字段扁平清单（path + 值 + 值来源），后端按 path 重组请求参数；基于编辑器原始嵌套树生成，保留用户配置的引用 valueSource
-				modelRequestParamsPath: rawModelParams ? buildModelRequestParamsPath(rawModelParams, startNode?.id || '') : null,
+				modelRequestParamsPath: rawModelParams ? buildModelRequestParamsPath(rawModelParams, startNode?.id || '', outputFieldsIndex) : null,
 					// 勾选的「表单展示」字段（路径带实例索引），已在上方基于完整结构收集
 					...(savedModelFormFields && savedModelFormFields.length > 0 ? { modelFormFields: savedModelFormFields } : {}),
 					// 模型返回参数随工作流保存，保证重开后仍可被下游引用