diff --git a/src/components/json-schema-editor/FieldConfigDialog.vue b/src/components/json-schema-editor/FieldConfigDialog.vue
index b6bf5a4..3b81a66 100644
--- a/src/components/json-schema-editor/FieldConfigDialog.vue
+++ b/src/components/json-schema-editor/FieldConfigDialog.vue
@@ -548,6 +548,9 @@ function handleClosed() { resetForm(); }
 <style lang="scss">
 .fcd-ref-popover {
 	.fcd-ref-panel {
+		// 面板超高时内部滚动，避免超出浏览器视口被截掉显示不全
+		max-height: 40vh;
+		overflow-y: auto;
 		.fcd-ref-empty {
 			color: #94a3b8;
 			font-size: 12px;
diff --git a/src/views/home/components/TemplateCompleteDialog.vue b/src/views/home/components/TemplateCompleteDialog.vue
index 865043c..539e307 100644
--- a/src/views/home/components/TemplateCompleteDialog.vue
+++ b/src/views/home/components/TemplateCompleteDialog.vue
@@ -76,7 +76,7 @@
 import { ref, computed, watch } from 'vue';
 import { ElMessage } from 'element-plus';
 import ModelSelector from '/@/views/settings/workflow/component/ModelSelector.vue';
-import { stripReadonlyFields, deepClone } from '/@/views/settings/workflow/component/modelParamUtils';
+import { stripReadonlyFields, deepClone, buildModelRequestParamsPath, enrichResponseBodyMapping } from '/@/views/settings/workflow/component/modelParamUtils';
 import { getWorkflowDetail, saveWorkflow } from '/@/api/settings/creation';
 import { getModelManage, updateModelManage } from '/@/api/settings/modelConfigV2';
 
@@ -109,6 +109,13 @@ const systemModelNodeIds = ref<Record<string, boolean>>({});
 
 const modelNodes = computed(() => nodes.value.filter((n) => String(n?.nodeCode || '').toLowerCase() === 'model'));
 
+// 开始节点 id：模板 DSL 与工作流管理 DSL 结构一致（nodeCode === '__start__'），
+// 供 buildModelRequestParamsPath 为「表单展示」字段补 valueSource 指向开始节点
+const getStartNodeId = () => {
+	const sn = nodes.value.find((n) => String(n?.nodeCode || '').toLowerCase() === '__start__');
+	return sn?.id || '';
+};
+
 const canSave = computed(() => {
 	if (!flowName.value.trim()) return false;
 	// 所有模型节点都必须已绑定模型
@@ -162,9 +169,13 @@ const handleModelConfirm = (model: any) => {
 		node.modelConfig.modelId = model.id || '';
 		node.modelConfig.modelName = model.modelName;
 		node.modelConfig.modelType = model.modelType;
-		// 深拷贝模型 requestBodyMapping 作为参数模板，剔除只读字段
-		node.modelConfig.modelRequestParams = stripReadonlyFields(deepClone(model.requestBodyMapping ?? null));
-		node.modelConfig.modelResponseBodyMapping = model.responseBodyMapping ?? null;
+		// 深拷贝模型 requestBodyMapping 作为参数模板，剔除只读字段（strip 会给被压缩的数组模板记 __originIndex）
+		const params = stripReadonlyFields(deepClone(model.requestBodyMapping ?? null));
+		node.modelConfig.modelRequestParams = params;
+		// 后端契约：基于编辑器参数树（含 __originIndex 原始索引）生成全部叶子字段扁平清单，与工作流管理保存一致
+		node.modelConfig.modelRequestParamsPath = buildModelRequestParamsPath(params, getStartNodeId());
+		// 用模型 responseMapping 的中文描述填充 value，供工作流管理「引用上级节点输出」展示中文
+		node.modelConfig.modelResponseBodyMapping = enrichResponseBodyMapping(model.responseBodyMapping, model.responseMapping);
 		// 选中为用户模型，无需再补 API Key
 		systemModelNodeIds.value[node.id] = false;
 		apiKeyInputs.value[node.id] = '';
@@ -249,6 +260,14 @@ const handleSave = async () => {
 		for (const node of modelNodes.value.filter((n) => systemModelNodeIds.value[n.id])) {
 			await convertSystemModel(node);
 		}
+		// 模板 DSL 若缺 modelRequestParamsPath（旧版模板），用现有参数树兜底生成，保证后端拿到契约字段
+		const startNodeId = getStartNodeId();
+		for (const node of modelNodes.value) {
+			const mc = node?.modelConfig;
+			if (mc?.modelRequestParams && !mc.modelRequestParamsPath) {
+				mc.modelRequestParamsPath = buildModelRequestParamsPath(mc.modelRequestParams, startNodeId);
+			}
+		}
 		const flowContent = {
 			...(templateFlowContent.value || {}),
 			nodes: nodes.value,
diff --git a/src/views/settings/workflow/component/ModelField.vue b/src/views/settings/workflow/component/ModelField.vue
index a910877..5cfcc0a 100644
--- a/src/views/settings/workflow/component/ModelField.vue
+++ b/src/views/settings/workflow/component/ModelField.vue
@@ -113,7 +113,7 @@
 					</el-popover>
 				</div>
 				<div v-if="hasValueSource" class="mf-ref-bound" :class="{ 'is-invalid': valueSourceInvalid }">
-					<span class="mf-ref-bound-text">已引用：{{ valueSourceLabel }}</span>
+					<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>
 				<div v-else-if="!isUpload" class="mf-leaf-ctrl">
@@ -525,6 +525,9 @@ const variantLabel = (idx: number): string => templateLabel(def.value?.enumValue
 <style lang="scss">
 .mf-ref-popover {
 	.mf-ref-panel {
+		// 面板超高时内部滚动，避免超出浏览器视口被截掉显示不全
+		max-height: 40vh;
+		overflow-y: auto;
 		.mf-ref-empty {
 			color: #94a3b8;
 			font-size: 12px;
diff --git a/src/views/settings/workflow/component/modelParamUtils.ts b/src/views/settings/workflow/component/modelParamUtils.ts
index 2822074..cf5df60 100644
--- a/src/views/settings/workflow/component/modelParamUtils.ts
+++ b/src/views/settings/workflow/component/modelParamUtils.ts
@@ -102,6 +102,15 @@ export function stripReadonlyFields(params: any): any {
 				}
 				return true;
 			});
+			// 有模板被剔除（子字段全只读）→ 数组索引被压缩；给保留的模板补记原始位置 __originIndex，
+			// 供 buildModelRequestParamsPath 生成后端契约的 enumValues 原始索引（幂等：已带则不覆盖）
+			if (keptTemplates.length !== templates.length) {
+				templates.forEach((t: any, originIdx: number) => {
+					if (t && typeof t === 'object' && keptTemplates.includes(t) && t.__originIndex === undefined) {
+						t.__originIndex = originIdx;
+					}
+				});
+			}
 			if (isEnumValues) def.enumValues = keptTemplates;
 			if (isAttrsArray) def.attrs = keptTemplates;
 			if (keptTemplates.length > 0) hasEditable = true;
@@ -231,6 +240,73 @@ export function collectExposedFields(params: any, prefix = ''): ExposedField[] {
 	return result;
 }
 
+// ===== 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 }
+// - 其余 → 不带 valueSource
+export interface ModelRequestParamsPathItem {
+	path: string;
+	type: string;
+	required: boolean;
+	value: any;
+	valueSource?: any;
+}
+
+// 收集嵌套树的全部叶子字段（含数组模板元素，不过滤 runtimeShow），返回 { path, def }
+function collectAllLeafFields(params: any, prefix = ''): { path: string; def: any }[] {
+	if (!params || typeof params !== 'object' || Array.isArray(params)) return [];
+	const result: { path: string; def: any }[] = [];
+	for (const key of Object.keys(params)) {
+		const def = params[key];
+		if (!def || typeof def !== 'object') continue;
+		const path = prefix ? `${prefix}.${key}` : key;
+		const t = def.type;
+		if (t === 'object') {
+			const attrs = def.attrs;
+			if (attrs && typeof attrs === 'object' && !Array.isArray(attrs)) {
+				result.push(...collectAllLeafFields(attrs, `${path}.attrs`));
+			}
+		} else if (t === 'array') {
+			// 数组字段遍历模板（enumValues 优先，其次 attrs 数组），path 用 enumValues[i] 定位模板，
+			// 与 ModelField 渲染 / collectExposedFields 文法一致（值/勾选均落在模板上，不依赖 value 实例）。
+			// 模板带 __originIndex（strip 时记录的原始位置）时用原始索引，保证与后端模型完整定义的 enumValues 编号一致
+			const templates = arrayTemplatesOf(def);
+			templates.forEach((tpl: any, i: number) => {
+				if (tpl && typeof tpl === 'object' && tpl.attrs && typeof tpl.attrs === 'object' && !Array.isArray(tpl.attrs)) {
+					const originIdx = typeof tpl.__originIndex === 'number' ? tpl.__originIndex : i;
+					result.push(...collectAllLeafFields(tpl.attrs, `${path}.enumValues[${originIdx}].attrs`));
+				}
+			});
+		} else {
+			result.push({ path, def });
+		}
+	}
+	return result;
+}
+
+// 生成 modelRequestParamsPath 扁平清单
+export function buildModelRequestParamsPath(params: any, startNodeId = ''): ModelRequestParamsPathItem[] {
+	const fields = collectAllLeafFields(params);
+	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;
+		return {
+			path,
+			type: def.type || 'string',
+			required: Boolean(def.required),
+			value: def.value ?? '',
+			...(valueSource ? { valueSource } : {}),
+		};
+	});
+}
+
 // 按暴露清单的 path 反解，把对应叶子 def 的 runtimeShow 置 true（加载时还原勾选）
 // startNodeId：勾选「表单展示」的字段保存时带 valueSource 指向开始节点（后端契约）；
 // 回显时该 valueSource 无编辑器引用语义，清除避免 ModelField 误判引用/误删
@@ -248,7 +324,7 @@ export function restoreRuntimeShow(params: any, fields: ExposedField[] | null |
 	}
 }
 
-// 勾选「表单展示」的字段：保存前按后端契约补 valueSource={nodeId:开始节点id, fieldName:path}，
+// 勾选「表单展示」的字段：保存前按后端契约补 valueSource={nodeId:开始节点id, field:path}，
 // 标记字段值来自主工作流开始节点（首页表单）。startNodeId 为空（无开始节点）时跳过。
 export function attachFormFieldValueSources(params: any, fields: ExposedField[] | null | undefined, startNodeId = ''): void {
 	if (!params || typeof params !== 'object' || !Array.isArray(fields) || fields.length === 0 || !startNodeId) return;
@@ -256,7 +332,7 @@ 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, fieldName: f.path };
+			cur.valueSource = { nodeId: startNodeId, field: f.path };
 		}
 	}
 }
@@ -297,3 +373,53 @@ function resolvePath(params: any, path: string): any {
 export function isEqual(a: any, b: any): boolean {
 	return JSON.stringify(a ?? null) === JSON.stringify(b ?? null);
 }
+
+// ===== 模型返回参数中文 label（引用展示用）=====
+// 模型 responseMapping（响应映射：路径→中文）支持两种结构：普通对象 {路径: 中文} 与
+// { type, attrs/value, label } 包裹格式。独立实现平铺（不依赖 settings/modelConfigV2），
+// 供保存 modelResponseBodyMapping 时把中文描述填入 value，引用上级节点输出展示中文而非英文 key。
+function flattenResponseLabelMap(mapping: any, basePath = '', out: Record<string, string>): void {
+	if (!mapping || typeof mapping !== 'object') return;
+	// { type, attrs/value } 包裹格式：叶子节点带 label
+	if (typeof mapping.type === 'string' && ['string', 'number', 'boolean', 'null', 'object', 'array'].includes(mapping.type)) {
+		const jtype = mapping.type;
+		const dataKey = jtype === 'object' || jtype === 'array' ? 'attrs' : 'value';
+		if (jtype === 'object' && dataKey in mapping && mapping[dataKey] && typeof mapping[dataKey] === 'object' && !Array.isArray(mapping[dataKey])) {
+			for (const [key, val] of Object.entries(mapping[dataKey])) {
+				flattenResponseLabelMap(val, basePath ? `${basePath}.attrs.${key}` : key, out);
+			}
+		} else if (jtype === 'array' && dataKey in mapping && Array.isArray(mapping[dataKey])) {
+			mapping[dataKey].forEach((item: any, idx: number) => {
+				flattenResponseLabelMap(item, `${basePath}.attrs[${idx}]`, out);
+			});
+		} else if (['string', 'number', 'boolean', 'null'].includes(jtype)) {
+			if (mapping.label) out[basePath] = String(mapping.label);
+		}
+		return;
+	}
+	// 普通对象（非包裹格式）
+	if (!Array.isArray(mapping)) {
+		for (const [key, val] of Object.entries(mapping)) {
+			const childPath = basePath ? `${basePath}.${key}` : key;
+			if (val && typeof val === 'object' && !Array.isArray(val)) {
+				flattenResponseLabelMap(val, childPath, out);
+			} else if (typeof val === 'string' && val) {
+				out[childPath] = val;
+			}
+		}
+	}
+}
+
+// 用模型 responseMapping 的中文描述填充 modelResponseBodyMapping 的 value：
+// { key: '' } → { key: '中文' }。结构不变（对象 key→string），无对应中文时保留原 value（兜底 key）。
+export function enrichResponseBodyMapping(body: any, mapping: any): any {
+	if (!body || typeof body !== 'object' || Array.isArray(body)) return body ?? null;
+	const labelMap: Record<string, string> = {};
+	flattenResponseLabelMap(mapping, '', labelMap);
+	const out: Record<string, string> = {};
+	for (const k of Object.keys(body)) {
+		const raw = typeof body[k] === 'string' ? body[k] : '';
+		out[k] = labelMap[k] || raw || k;
+	}
+	return out;
+}
diff --git a/src/views/settings/workflow/index.vue b/src/views/settings/workflow/index.vue
index abebada..6c70bae 100644
--- a/src/views/settings/workflow/index.vue
+++ b/src/views/settings/workflow/index.vue
@@ -124,7 +124,10 @@ import {
 	isEqual,
 	deepClone,
 	removeArrayValueInstances,
+	buildModelRequestParamsPath,
+	enrichResponseBodyMapping,
 	type ExposedField,
+	type ModelRequestParamsPathItem,
 } from './component/modelParamUtils';
 import NodeLibraryPanel from './component/NodeLibraryPanel.vue';
 import WorkflowListPanel from './component/WorkflowListPanel.vue';
@@ -164,6 +167,7 @@ interface NodeData {
 		modelName?: string;
 		modelType?: string | number;
 		modelRequestParams?: any;
+		modelRequestParamsPath?: ModelRequestParamsPathItem[] | null;
 		modelFormFields?: ExposedField[] | null;
 		modelResponseBodyMapping?: any; // 模型返回参数（数组或对象两种结构），供下游引用
 	} | null;
@@ -355,8 +359,9 @@ const handleModelConfirm = (model: any) => {
 				// 深拷贝模型 requestBodyMapping 作为参数模板（重选模型时覆盖旧参数）
 				// 剔除 isForm=false 的只读字段，使其不显示也不随工作流保存
 				modelRequestParams: stripReadonlyFields(JSON.parse(JSON.stringify(model.requestBodyMapping ?? null))),
-				// 保存模型返回参数（responseBodyMapping），作为该节点可被下游引用的输出项
-				modelResponseBodyMapping: model.responseBodyMapping ?? null,
+				// 保存模型返回参数（responseBodyMapping），作为该节点可被下游引用的输出项；
+				// 用模型 responseMapping 的中文描述填充 value，引用展示显示中文而非英文 key
+				modelResponseBodyMapping: enrichResponseBodyMapping(model.responseBodyMapping, model.responseMapping),
 			},
 		},
 	};
@@ -724,27 +729,50 @@ const parseSchema = (value: any): any => {
 	return null;
 };
 
-// 递归收集 JSON schema 的所有叶子字段（数组取首元素对象作为结构样本）
-const collectLeafFieldsFromJson = (obj: any, prefix = ''): UpstreamField[] => {
-	const result: UpstreamField[] = [];
-	if (!obj || typeof obj !== 'object' || Array.isArray(obj)) return result;
-	for (const key of Object.keys(obj)) {
-		if (!key || key.startsWith('_temp_')) continue;
-		const path = prefix ? `${prefix}.${key}` : key;
-		const val = obj[key];
-		if (val && typeof val === 'object') {
-			if (Array.isArray(val)) {
-				const sample = val.find((it: any) => it && typeof it === 'object' && !Array.isArray(it));
-				if (sample) result.push(...collectLeafFieldsFromJson(sample, path));
-				else result.push({ field: path, label: path });
-			} else {
-				result.push(...collectLeafFieldsFromJson(val, path));
+// 递归收集 http 节点 response schema 的叶子输出字段（识别 JsonEditor 的 { type, attrs/value, label } 包裹结构）：
+// field 用实际返回数据路径（不含 attrs 元数据，如 data.url 而非 data.attrs.url.value），
+// label 优先用字段配置的中文名（label），无则兜底路径 key
+const collectHttpLeafFields = (node: any, prefix = ''): UpstreamField[] => {
+	// JsonEditor 包裹结构：{ type: 'object'|'array'|'string'|..., attrs/value, label }
+	if (node && typeof node === 'object' && !Array.isArray(node) && typeof node.type === 'string') {
+		const jtype = node.type;
+		if (['object', 'array', 'string', 'number', 'boolean', 'null'].includes(jtype)) {
+			if (jtype === 'object') {
+				// 对象容器：子字段在 attrs 里，field 路径直接拼子字段名，不拼 attrs
+				const attrs = node.attrs;
+				if (attrs && typeof attrs === 'object' && !Array.isArray(attrs)) {
+					const out: UpstreamField[] = [];
+					for (const k of Object.keys(attrs)) {
+						out.push(...collectHttpLeafFields(attrs[k], prefix ? `${prefix}.${k}` : k));
+					}
+					return out;
+				}
+				return [];
 			}
-		} else {
-			result.push({ field: path, label: path });
+			if (jtype === 'array') {
+				// 数组：取首元素样本作为结构（实际值为数组整体，field 不带索引）
+				const arr = node.attrs;
+				if (Array.isArray(arr) && arr.length > 0) return collectHttpLeafFields(arr[0], prefix);
+				return [];
+			}
+			// 标量叶子：label 为字段配置的中文名，无则兜底路径
+			return [{ field: prefix, label: (typeof node.label === 'string' && node.label) || prefix }];
 		}
 	}
-	return result;
+	// 普通对象（根/未包裹）：递归子字段；子字段为原始标量时以路径兜底产出
+	if (node && typeof node === 'object' && !Array.isArray(node)) {
+		const out: UpstreamField[] = [];
+		for (const k of Object.keys(node)) {
+			const child = node[k];
+			const path = prefix ? `${prefix}.${k}` : k;
+			if (child && typeof child === 'object') out.push(...collectHttpLeafFields(child, path));
+			else out.push({ field: path, label: path });
+		}
+		return out;
+	}
+	// 数组根：取首元素结构样本
+	if (Array.isArray(node)) return node.length > 0 ? collectHttpLeafFields(node[0], prefix) : [];
+	return [];
 };
 
 // 取节点在设计时的可引用输出字段（运行时这些字段会产出实际值）
@@ -767,16 +795,26 @@ const getNodeOutputFields = (node: Node<NodeData, any, string>): UpstreamField[]
 			? (responseTypeEntry?.expand || []).find((e: any) => e.field === 'response')
 			: formConfig.find((f: any) => f.field === 'response');
 		const schema = parseSchema(responseField?.value);
-		if (schema) return collectLeafFieldsFromJson(schema);
+		if (schema) return collectHttpLeafFields(schema);
 		return [];
 	}
 	if (nodeCode === 'model') {
-		// 模型节点：模型的返回参数（responseBodyMapping）即可被下游引用的输出
+		// 模型节点：模型的返回参数（responseBodyMapping）即可被下游引用的输出；
+		// value 为保存时从模型 responseMapping 填充的中文描述，展示优先用中文，无则兜底 key
 		const resp = node.data?.modelConfig?.modelResponseBodyMapping;
-		const keys = Array.isArray(resp) ? resp : resp && typeof resp === 'object' ? Object.keys(resp) : [];
-		return keys
-			.filter((k: any) => typeof k === 'string' && k.trim() !== '')
-			.map((k: string) => ({ field: k, label: k }));
+		// 数组结构：元素带 field/label
+		if (Array.isArray(resp)) {
+			return resp
+				.filter((it: any) => it && typeof it === 'object' && (it.field || it.label || it.key))
+				.map((it: any) => ({ field: it.field || it.label || it.key || '', label: it.label || it.field || it.key || '' }));
+		}
+		// 对象结构：{ key: 中文描述 }
+		if (resp && typeof resp === 'object') {
+			return Object.keys(resp)
+				.filter((k: any) => typeof k === 'string' && k.trim() !== '')
+				.map((k: string) => ({ field: k, label: (typeof resp[k] === 'string' && resp[k]) || k }));
+		}
+		return [];
 	}
 	if (nodeCode === START_NODE_CODE) {
 		// 开始节点：运行表单字段（被勾选的模型参数 + form 自定义字段）
@@ -1051,7 +1089,7 @@ 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, fieldName: def.field } : undefined;
+			const valueSource = def.isFormField === true ? { nodeId: startNodeId, field: def.field } : undefined;
 			if (def.field === 'responseType') {
 				const expand = entry?.expand || [];
 				return {
@@ -1080,7 +1118,7 @@ const buildOutputConfig = (node: Node<NodeData>, startNodeId = '') => {
 				label: f.label || f.field || '',
 				value: f.value ?? '',
 				required: Boolean(f.required),
-				...(fieldName ? { valueSource: { nodeId: startNodeId, fieldName } } : {}),
+				...(fieldName ? { valueSource: { nodeId: startNodeId, field: fieldName } } : {}),
 				...(f.type === 'uploadMultiple'
 					? {
 							fieldConstraint: {
@@ -1118,7 +1156,7 @@ 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, fieldName: def.field } } : {}),
+				...(isForm ? { valueSource: { nodeId: startNodeId, field: def.field } } : {}),
 			};
 		});
 };
@@ -1147,14 +1185,14 @@ const serializeSubFlowConfig = (config: SubFlowConfig | null | undefined, node?:
 			fieldConstraint: f.fieldConstraint ?? null,
 			options: Array.isArray(f.options) ? f.options : null,
 			multiple: Boolean(f.multiple),
-			// 值来源契约（后端统一 { nodeId, fieldName }）：
+			// 值来源契约（后端统一 { nodeId, field }）：
 			// - 勾选表单展示：值来自主工作流开始节点（首页表单），指向开始节点
-			// - 引用上级输出：值来自主工作流上游节点，统一转 fieldName
+			// - 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, fieldName: f.field }
+				? { nodeId: startNodeId, field: f.field }
 				: f.valueSource && typeof f.valueSource === 'object'
-					? { nodeId: f.valueSource.nodeId, fieldName: f.valueSource.field }
+					? { nodeId: f.valueSource.nodeId, field: f.valueSource.field }
 					: null,
 			isFormField: Boolean(f.runtimeShow),
 		})),
@@ -1183,7 +1221,7 @@ const buildSubFlowConfigFromDsl = (subConfig: any, startNodeId = '') => {
 				const vs = f.valueSource;
 				// 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;
-				// 引用上级：后端 fieldName 转回前端 field 结构
+				// 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;
 			})(),
@@ -1205,6 +1243,8 @@ const buildModelConfigFromDsl = (n: any, startNodeId = '') => {
 		modelName: n.modelConfig?.modelName || '',
 		modelType: n.modelConfig?.modelType ?? undefined,
 		modelRequestParams,
+		// 全部叶子字段扁平清单随 DSL 透传，编辑过程不消费，仅保证重开保存不丢
+		modelRequestParamsPath: n.modelConfig?.modelRequestParamsPath ?? null,
 		modelFormFields,
 		modelResponseBodyMapping: n.modelConfig?.modelResponseBodyMapping ?? null,
 	};
@@ -1362,7 +1402,7 @@ const confirmSaveWorkflow = async () => {
 			// 数组字段的实例值（value）由前端从模板复制而来，与 enumValues 模板重复，
 			// 保存时不提交；deepClone 避免污染节点运行时状态
 			const savedModelRequestParams = rawModelParams ? removeArrayValueInstances(deepClone(rawModelParams)) : null;
-			// 勾选「表单展示」的字段：补 valueSource={nodeId:开始节点id, fieldName:path}（后端契约，
+			// 勾选「表单展示」的字段：补 valueSource={nodeId:开始节点id, field:path}（后端契约，
 			// 标记字段值来自主工作流开始节点首页表单）
 			if (savedModelRequestParams && startNode?.id) {
 				attachFormFieldValueSources(savedModelRequestParams, savedModelFormFields, startNode.id);
@@ -1390,6 +1430,8 @@ const confirmSaveWorkflow = async () => {
 						? { modelType: n.data.modelConfig.modelType }
 						: {}),
 					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,
 					// 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