diff --git a/ui/src/components/COMPONENT_README.md b/ui/src/components/COMPONENT_README.md
index 595c7b5acac..180eaee7316 100644
--- a/ui/src/components/COMPONENT_README.md
+++ b/ui/src/components/COMPONENT_README.md
@@ -319,6 +319,10 @@ Escape 关闭；这些默认行为可以通过同名 Props 覆盖。Element Plus
 调用 `resetData()`，确保所有关闭路径都在关闭动画结束后完成清理。`resetData()` 应统一重置表单、
 提交状态、临时选项和表单校验，不把清理逻辑散落在 `open()`、取消按钮或提交成功回调中。
 
+只有登录表单支持回车提交。其他业务表单使用 `@submit.prevent` 阻止默认提交，不绑定提交函数，
+也不通过 Enter 键触发保存或添加；提交操作由按钮点击触发。组件的 `emit('submit', data)` 是向
+父组件传递数据的自定义事件，不代表支持回车提交。
+
 ### MkComplexSearch
 
 用于在多个字段之间切换搜索条件。`fields` 中的基础字段使用 `@/api/types` 中的
diff --git a/ui/src/styles/element-plus.scss b/ui/src/styles/element-plus.scss
index fcef12ea12c..136eeda3cbf 100644
--- a/ui/src/styles/element-plus.scss
+++ b/ui/src/styles/element-plus.scss
@@ -983,6 +983,10 @@
       padding: calc(var(--spacing) * 2) calc(var(--spacing) * 3);
     }
   }
+  //  需要仅增加table最外层border的样式
+  &.border {
+    border-right: 1px solid var(--el-table-border-color);
+  }
 
   [class*='el-table__row--level'] .el-table__expand-icon {
     align-items: center;
diff --git a/ui/src/workflow-canvas/WORKFLOW_README.md b/ui/src/workflow-canvas/WORKFLOW_README.md
index abfbf06bd99..d711bf94631 100644
--- a/ui/src/workflow-canvas/WORKFLOW_README.md
+++ b/ui/src/workflow-canvas/WORKFLOW_README.md
@@ -100,7 +100,7 @@ Vue Teleport 节点继承页面上下文；画布核心不负责模型参数接
 智能体页面将详情加载或保存成功返回的配置通过 `defaultModelSettings` Props 传给画布。
 `WorkflowNodeModel.getDefaultModelConfig(type)` 通过画布的配置读取函数获取对应模型，不使用
 默认配置的 `provide/inject`，也不写入节点持久化数据。AI 对话、意图识别、问题优化、语音、
-图片和视频相关节点在默认来源下读取保存后的对应模型 ID 和参数，使用禁用且隐藏参数按钮的
+图片、视频及参数提取相关节点在默认来源下读取保存后的对应模型 ID 和参数，使用禁用且隐藏参数按钮的
 `ModelSelect` 展示；自定义来源继续编辑节点自身配置，引用来源使用 `NodeCascader`。默认配置
 只用于解析当前使用的模型，不覆盖节点保存的自定义配置；各节点在本地维护模型设置，并按当前
 来源检查实际模型或引用变量。
@@ -113,6 +113,21 @@ Vue Teleport 节点继承页面上下文；画布核心不负责模型参数接
 中间 computed。独立弹窗、资源选择等具有完整交互边界的能力放在节点目录的 `component/` 下；
 节点入口负责统一写回节点属性和执行节点级校验。
 
+变量拆分节点的 `VariableFieldTable` 通过 `v-model` 接收 `VariableField[]`，只负责列表增删改、
+重名检查和编辑弹窗，不接收节点模型或读写 `node_data`。节点入口在列表写回时同步输出字段并
+清理下游失效引用；字段类型由该组件目录的 `types.ts` 统一定义。
+`VariableFieldDialog` 与 `GroupFieldDialog` 使用 `submit(data, index?)` 提交，表格通过重名检查并
+写回列表后调用 `close()`；关闭动画结束时通过 `closed` 重置表单，添加与编辑共用同一提交流程。
+
+参数提取节点的默认模型读取 `LLM` 配置，新节点默认选择“默认模型”，旧节点缺少来源字段时
+保留“自定义”语义。默认模型仅用于展示与校验，不覆盖节点保存的自定义模型和参数。
+
+参数提取节点遵循相同边界：`component/parameters-field` 内的 `ParametersFieldTable` 通过
+`v-model` 编辑 `ParameterField[]`，弹窗只通过 `submit(data, index?)` 提交，节点入口同步输出
+字段和下游引用。模型引用与输入变量的有效性校验接入节点表单规则，调用 `NodeCascader.validate()`
+保留失效引用检查；节点级 `validate()` 统一调用表单校验。所有非登录表单仅使用 `@submit.prevent`，
+保存或添加由按钮触发。
+
 AI 对话节点的提示词、历史记录、视觉理解和输出思考表单直接在节点入口维护，统一使用全局
 `MdEditorMagnify` 和节点表单样式；AI 提示词生成与思考过程配置仍使用独立弹窗。
 问题优化、图片理解和视频理解节点的系统提示词与用户提示词，以及图片、文生视频和图生视频
diff --git a/ui/src/workflow-canvas/nodes/parameter-extraction-node/component/ParametersFieldDialog.vue b/ui/src/workflow-canvas/nodes/parameter-extraction-node/component/ParametersFieldDialog.vue
deleted file mode 100644
index 63dfa36f4bb..00000000000
--- a/ui/src/workflow-canvas/nodes/parameter-extraction-node/component/ParametersFieldDialog.vue
+++ /dev/null
@@ -1,100 +0,0 @@
-<template>
-  <MkDialog
-    v-model="dialogVisible"
-    :title="isEdit ? '编辑参数' : '添加参数'"
-    width="520px"
-    append-to-body
-    :close-on-click-modal="false"
-    :close-on-press-escape="false"
-  >
-    <el-form ref="fieldFormRef" label-position="top" require-asterisk-position="right" :rules="rules" :model="form">
-      <el-form-item label="参数" prop="field" :rules="rules.field">
-        <el-input v-model="form.field" :maxlength="64" placeholder="请输入参数" show-word-limit />
-      </el-form-item>
-      <el-form-item label="显示名称" prop="label" :rules="rules.label">
-        <el-input v-model="form.label" :maxlength="64" placeholder="请输入显示名称" show-word-limit />
-      </el-form-item>
-      <el-form-item label="参数类型" prop="parameter_type" :rules="rules.parameter_type">
-        <el-select :teleported="false" v-model="form.parameter_type" placeholder="请选择参数类型" class="w-full">
-          <el-option v-for="item in options" :key="item.value" :label="item.label" :value="item.value" />
-        </el-select>
-      </el-form-item>
-      <el-form-item label="描述" prop="desc">
-        <el-input v-model="form.desc" type="textarea" :rows="2" placeholder="请输入描述" />
-      </el-form-item>
-    </el-form>
-    <template #footer>
-      <el-button @click="close">取消</el-button>
-      <el-button type="primary" @click="submit(fieldFormRef)"> 保存 </el-button>
-    </template>
-  </MkDialog>
-</template>
-<script setup lang="ts">
-import { reactive, ref, useTemplateRef } from 'vue'
-import { cloneDeep } from 'lodash'
-import type { FormInstance } from 'element-plus'
-
-defineOptions({ name: 'ParameterExtractionFieldDialog' })
-
-const emit = defineEmits<{ refresh: [data: Record<string, unknown>, index?: number] }>()
-
-const options = [
-  { value: 'string', label: 'string' },
-  { value: 'number', label: 'number' },
-  { value: 'object', label: 'object' },
-  { value: 'boolean', label: 'boolean' },
-  { value: 'array', label: 'array' },
-]
-
-const fieldFormRef = useTemplateRef<FormInstance>('fieldFormRef')
-const dialogVisible = ref(false)
-const isEdit = ref(false)
-const currentIndex = ref<number | undefined>(undefined)
-const form = ref<{ field: string; label: string; parameter_type: string; desc: string }>({
-  field: '',
-  label: '',
-  parameter_type: '',
-  desc: '',
-})
-
-const rules = reactive({
-  field: [
-    { required: true, message: '请输入参数', trigger: 'blur' },
-    { pattern: /^[a-zA-Z0-9_]+$/, message: '参数可由字母、数字、下划线组成', trigger: 'blur' },
-  ],
-  label: [{ required: true, message: '请输入显示名称', trigger: 'blur' }],
-  parameter_type: [{ required: true, message: '请选择参数类型', trigger: 'change' }],
-})
-
-function resetForm() {
-  form.value = { field: '', label: '', parameter_type: '', desc: '' }
-}
-
-function open(row?: Record<string, unknown>, index?: number) {
-  resetForm()
-  if (row) {
-    form.value = cloneDeep(row as typeof form.value)
-    isEdit.value = true
-    currentIndex.value = index
-  }
-  dialogVisible.value = true
-}
-
-function close() {
-  dialogVisible.value = false
-  isEdit.value = false
-  currentIndex.value = undefined
-  resetForm()
-}
-
-const submit = async (formEl: FormInstance | null) => {
-  if (!formEl) return
-  await formEl.validate((valid) => {
-    if (valid) {
-      emit('refresh', cloneDeep(form.value), currentIndex.value)
-    }
-  })
-}
-
-defineExpose({ open, close })
-</script>
diff --git a/ui/src/workflow-canvas/nodes/parameter-extraction-node/component/ParametersFieldTable.vue b/ui/src/workflow-canvas/nodes/parameter-extraction-node/component/ParametersFieldTable.vue
deleted file mode 100644
index 28717b969ae..00000000000
--- a/ui/src/workflow-canvas/nodes/parameter-extraction-node/component/ParametersFieldTable.vue
+++ /dev/null
@@ -1,117 +0,0 @@
-<template>
-  <div class="w-full">
-    <div class="flex-between mb-2">
-      <span>
-        提取参数
-        <span class="ml-1 text-danger">*</span>
-      </span>
-      <el-button link type="primary" @click="openAddDialog()">
-        <MkIcon name="icon_add_outlined" class="mr-1" />
-        添加
-      </el-button>
-    </div>
-
-    <MkTable size="small" v-if="inputFieldList.length > 0" :data="inputFieldList" row-key="field">
-      <el-table-column prop="field" label="参数" width="100" show-overflow-tooltip>
-        <template #default="{ row }">
-          <span :title="row.field" class="block truncate">{{ row.field }}</span>
-        </template>
-      </el-table-column>
-      <el-table-column prop="label" label="显示名称" min-width="90">
-        <template #default="{ row }">
-          <span :title="row.label" class="block truncate">{{ row.label }}</span>
-        </template>
-      </el-table-column>
-      <el-table-column label="参数类型" width="90">
-        <template #default="{ row }">
-          <el-tag size="small" type="info">{{ row.parameter_type }}</el-tag>
-        </template>
-      </el-table-column>
-      <el-table-column label="操作" width="72">
-        <template #default="{ row, $index }">
-          <el-button text class="h-6! w-6! p-0!" aria-label="编辑" @click="openAddDialog(row, $index)">
-            <MkIcon name="icon_edit_outlined" />
-          </el-button>
-          <el-button text class="ml-0! h-6! w-6! p-0!" aria-label="删除" @click="deleteField($index)">
-            <MkIcon name="icon_delete-trash_outlined" />
-          </el-button>
-        </template>
-      </el-table-column>
-    </MkTable>
-    <MkEmpty v-else description="暂无参数，请点击添加" :image-size="60" />
-
-    <ParametersFieldDialog ref="ParamsFieldDialogRef" @refresh="refreshFieldList" />
-  </div>
-</template>
-<script setup lang="ts">
-import { computed, ref } from 'vue'
-import { cloneDeep } from 'lodash'
-import type { WorkflowNodeModel } from '@/workflow-canvas/core/workflow-node'
-
-import ParametersFieldDialog from './ParametersFieldDialog.vue'
-
-defineOptions({ name: 'WorkflowParameterExtractionFieldTable' })
-
-const props = defineProps<{ nodeModel: WorkflowNodeModel }>()
-
-const ParamsFieldDialogRef = ref<InstanceType<typeof ParametersFieldDialog>>()
-
-const nodeProps = props.nodeModel.properties as unknown as {
-  config: Record<string, unknown>
-  node_data: Record<string, unknown>
-}
-
-// 节点初始化时补齐默认值和兼容旧数据，computed 只读取表单。
-if (!nodeProps.node_data) {
-  nodeProps.node_data = {}
-}
-if (!Array.isArray(nodeProps.node_data.variable_list)) {
-  nodeProps.node_data.variable_list = []
-}
-
-const inputFieldList = computed<Array<Record<string, unknown>>>({
-  get: () => nodeProps.node_data.variable_list as Array<Record<string, unknown>>,
-  set: (value) => {
-    nodeProps.node_data.variable_list = value
-  },
-})
-
-function syncConfig() {
-  const fields = [{ label: '结果', value: 'result' }, ...inputFieldList.value.map((item) => ({ label: item.label, value: item.field }))]
-  if (!nodeProps.config) {
-    nodeProps.config = {}
-  }
-  nodeProps.config.fields = fields
-  props.nodeModel.clearNextNodeField(false)
-}
-
-function openAddDialog(data?: Record<string, unknown>, index?: number) {
-  ParamsFieldDialogRef.value?.open(data, index)
-}
-
-function deleteField(index: number) {
-  const list = cloneDeep(inputFieldList.value)
-  list.splice(index, 1)
-  inputFieldList.value = list
-  syncConfig()
-}
-
-function refreshFieldList(data: Record<string, unknown>, index?: number) {
-  const field = data as { field: string }
-  for (let i = 0; i < inputFieldList.value.length; i++) {
-    if ((inputFieldList.value[i] as { field: string }).field === field.field && index !== i) {
-      return
-    }
-  }
-
-  const list = cloneDeep(inputFieldList.value)
-  if (index === undefined || index === null) {
-    list.push(data)
-  } else {
-    list.splice(index, 1, data)
-  }
-  inputFieldList.value = list
-  ParamsFieldDialogRef.value?.close()
-  syncConfig()
-}
-</script>
diff --git a/ui/src/workflow-canvas/nodes/parameter-extraction-node/component/parameters-field/ParametersFieldDialog.vue b/ui/src/workflow-canvas/nodes/parameter-extraction-node/component/parameters-field/ParametersFieldDialog.vue
new file mode 100644
index 00000000000..84bc44929dc
--- /dev/null
+++ b/ui/src/workflow-canvas/nodes/parameter-extraction-node/component/parameters-field/ParametersFieldDialog.vue
@@ -0,0 +1,84 @@
+<script setup lang="ts">
+import { ref, useTemplateRef } from 'vue'
+import { cloneDeep } from 'lodash'
+import type { FormInstance, FormRules } from 'element-plus'
+import type { ParameterField } from './types'
+
+defineOptions({ name: 'ParameterExtractionFieldDialog' })
+
+const emit = defineEmits<{ submit: [data: ParameterField, index?: number] }>()
+
+const parameterTypeOptions = ['string', 'number', 'object', 'boolean', 'array'].map((type) => ({ value: type, label: type }))
+const formRef = useTemplateRef<FormInstance>('formRef')
+const editing = ref(false)
+const currentIndex = ref<number | undefined>(undefined)
+const formData = ref<ParameterField>({ field: '', label: '', parameter_type: '', desc: '' })
+
+const rules: FormRules<ParameterField> = {
+  field: [
+    { required: true, message: '请输入参数', trigger: 'blur' },
+    { pattern: /^[a-zA-Z0-9_]+$/, message: '参数可由字母、数字、下划线组成', trigger: 'blur' },
+  ],
+  label: [{ required: true, message: '请输入显示名称', trigger: 'blur' }],
+  parameter_type: [{ required: true, message: '请选择参数类型', trigger: 'change' }],
+}
+
+const visible = ref(false)
+
+function open(data?: ParameterField, index?: number) {
+  resetData()
+  if (data) {
+    formData.value = cloneDeep(data)
+    editing.value = true
+    currentIndex.value = index
+  }
+  visible.value = true
+}
+
+function handleSubmit() {
+  formRef.value
+    ?.validate()
+    .then(() => {
+      emit('submit', cloneDeep(formData.value), currentIndex.value)
+    })
+    .catch(() => {})
+}
+
+function close() {
+  visible.value = false
+}
+
+function resetData() {
+  editing.value = false
+  currentIndex.value = undefined
+  formData.value = { field: '', label: '', parameter_type: '', desc: '' }
+  formRef.value?.clearValidate()
+}
+
+defineExpose({ close, open })
+</script>
+
+<template>
+  <MkDialog v-model="visible" :title="editing ? '编辑参数' : '添加参数'" @closed="resetData" align-center>
+    <el-form ref="formRef" label-position="top" require-asterisk-position="right" :rules="rules" :model="formData" @submit.prevent>
+      <el-form-item label="参数" prop="field">
+        <el-input v-model="formData.field" :maxlength="64" placeholder="请输入参数" show-word-limit />
+      </el-form-item>
+      <el-form-item label="显示名称" prop="label">
+        <el-input v-model="formData.label" :maxlength="64" placeholder="请输入显示名称" show-word-limit />
+      </el-form-item>
+      <el-form-item label="参数类型" prop="parameter_type">
+        <el-select v-model="formData.parameter_type" placeholder="请选择参数类型" class="w-full">
+          <el-option v-for="item in parameterTypeOptions" :key="item.value" :label="item.label" :value="item.value" />
+        </el-select>
+      </el-form-item>
+      <el-form-item label="描述" prop="desc">
+        <el-input v-model="formData.desc" type="textarea" :rows="3" placeholder="请输入描述" />
+      </el-form-item>
+    </el-form>
+    <template #footer>
+      <el-button plain @click="visible = false">取消</el-button>
+      <el-button type="primary" @click="handleSubmit">{{ editing ? '保存' : '添加' }}</el-button>
+    </template>
+  </MkDialog>
+</template>
diff --git a/ui/src/workflow-canvas/nodes/parameter-extraction-node/component/parameters-field/ParametersFieldTable.vue b/ui/src/workflow-canvas/nodes/parameter-extraction-node/component/parameters-field/ParametersFieldTable.vue
new file mode 100644
index 00000000000..d2399b334ff
--- /dev/null
+++ b/ui/src/workflow-canvas/nodes/parameter-extraction-node/component/parameters-field/ParametersFieldTable.vue
@@ -0,0 +1,77 @@
+<script setup lang="ts">
+import { useTemplateRef } from 'vue'
+import { cloneDeep } from 'lodash'
+import ParametersFieldDialog from './ParametersFieldDialog.vue'
+import type { ParameterField } from './types'
+import { MsgError } from '@/utils/message'
+
+defineOptions({ name: 'WorkflowParameterExtractionFieldTable' })
+
+const parameterList = defineModel<ParameterField[]>({ required: true })
+const parametersFieldDialogRef = useTemplateRef<InstanceType<typeof ParametersFieldDialog>>('parametersFieldDialogRef')
+
+function openFieldDialog(data?: ParameterField, index?: number) {
+  parametersFieldDialogRef.value?.open(data, index)
+}
+
+function deleteField(index: number) {
+  parameterList.value = cloneDeep(parameterList.value.filter((_, fieldIndex) => fieldIndex !== index))
+}
+
+function saveField(data: ParameterField, index?: number) {
+  if (parameterList.value.some((field, fieldIndex) => field.field === data.field && fieldIndex !== index)) {
+    MsgError(`参数 "${data.field}" 已存在`)
+    return
+  }
+
+  const fields = cloneDeep(parameterList.value)
+  if (index === undefined) {
+    fields.push(cloneDeep(data))
+  } else {
+    fields.splice(index, 1, cloneDeep(data))
+  }
+  parameterList.value = fields
+  parametersFieldDialogRef.value?.close()
+}
+</script>
+
+<template>
+  <div class="w-full">
+    <div class="flex-between mb-2">
+      <span class="mk-required">提取参数</span>
+      <el-button text type="primary" @click="openFieldDialog()">
+        <MkIcon name="icon_add_outlined" />
+      </el-button>
+    </div>
+
+    <MkTable size="small" class="border" :data="parameterList" row-key="field">
+      <el-table-column prop="field" label="参数">
+        <template #default="{ row }">
+          <span :title="row.field" class="block truncate">{{ row.field }}</span>
+        </template>
+      </el-table-column>
+      <el-table-column prop="label" label="显示名称">
+        <template #default="{ row }">
+          <span :title="row.label" class="block truncate">{{ row.label }}</span>
+        </template>
+      </el-table-column>
+      <el-table-column label="参数类型" width="90">
+        <template #default="{ row }">
+          <el-tag size="small" type="info">{{ row.parameter_type }}</el-tag>
+        </template>
+      </el-table-column>
+      <el-table-column label="操作" width="80">
+        <template #default="{ row, $index }">
+          <el-button text type="primary" aria-label="编辑" @click="openFieldDialog(row, $index)">
+            <MkIcon name="icon_edit_outlined" />
+          </el-button>
+          <el-button text type="primary" aria-label="删除" @click="deleteField($index)">
+            <MkIcon name="icon_delete-trash_outlined" />
+          </el-button>
+        </template>
+      </el-table-column>
+    </MkTable>
+
+    <ParametersFieldDialog ref="parametersFieldDialogRef" @submit="saveField" />
+  </div>
+</template>
diff --git a/ui/src/workflow-canvas/nodes/parameter-extraction-node/component/parameters-field/types.ts b/ui/src/workflow-canvas/nodes/parameter-extraction-node/component/parameters-field/types.ts
new file mode 100644
index 00000000000..56f0e3f2b73
--- /dev/null
+++ b/ui/src/workflow-canvas/nodes/parameter-extraction-node/component/parameters-field/types.ts
@@ -0,0 +1,6 @@
+export interface ParameterField {
+  field: string
+  label: string
+  parameter_type: string
+  desc: string
+}
diff --git a/ui/src/workflow-canvas/nodes/parameter-extraction-node/index.vue b/ui/src/workflow-canvas/nodes/parameter-extraction-node/index.vue
index cbbab521e4b..eaa3608ad06 100644
--- a/ui/src/workflow-canvas/nodes/parameter-extraction-node/index.vue
+++ b/ui/src/workflow-canvas/nodes/parameter-extraction-node/index.vue
@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import { computed, inject, onBeforeUnmount, onMounted, ref, useTemplateRef, watch } from 'vue'
+import { computed, inject, onBeforeUnmount, onMounted, ref, useTemplateRef } from 'vue'
 
 import type { FormInstance } from 'element-plus'
 import ModelSelect from '@/components/business/model-select/index.vue'
@@ -10,7 +10,8 @@ import { useWorkflowStore } from '@/workflow-canvas/store'
 import type { BaseNodeModel } from '@logicflow/core'
 import type { ModelItem, ModelProviderItem } from '@/api/types'
 import type { WorkflowNodeModel } from '@/workflow-canvas/core/workflow-node'
-import ParametersFieldTable from './component/ParametersFieldTable.vue'
+import ParametersFieldTable from './component/parameters-field/ParametersFieldTable.vue'
+import type { ParameterField } from './component/parameters-field/types'
 
 defineOptions({ name: 'WorkflowParameterExtractionNode' })
 const getModel = inject('getModel') as () => BaseNodeModel
@@ -21,39 +22,35 @@ interface ParameterExtractionForm {
   input_variable: string[]
   model_params_setting: Record<string, unknown>
   model_id: string
-  model_id_type: 'custom' | 'reference'
+  model_id_type: 'default' | 'custom' | 'reference'
   model_id_reference: string[]
-  variable_list: Array<Record<string, unknown>>
+  variable_list: ParameterField[]
 }
 
-const formRef = useTemplateRef<FormInstance>('formRef')
-const modelCascaderRef = useTemplateRef<InstanceType<typeof NodeCascader>>('modelCascaderRef')
-const inputVariableCascaderRef = useTemplateRef<InstanceType<typeof NodeCascader>>('inputVariableCascaderRef')
-const paramsFieldTableRef = useTemplateRef<InstanceType<typeof ParametersFieldTable>>('paramsFieldTableRef')
+const parameterExtractionFormRef = useTemplateRef<FormInstance>('parameterExtractionFormRef')
 
 const store = useWorkflowStore(apiType)
 const modelList = ref<Array<ModelItem>>([])
 const providerOptions = ref<Array<ModelProviderItem>>([])
 
-// 节点初始化时补齐默认值和兼容旧数据，computed 只读取表单。
-if (!model.properties.node_data) {
-  model.properties.node_data = {
-    input_variable: [],
-    model_params_setting: {},
-    model_id: '',
-    model_id_type: 'custom',
-    model_id_reference: [],
-    variable_list: [],
-  }
+const defaultForm: ParameterExtractionForm = {
+  input_variable: [],
+  model_params_setting: {},
+  model_id: '',
+  model_id_type: 'default',
+  model_id_reference: [],
+  variable_list: [],
 }
-const initialNodeData = model.properties.node_data as ParameterExtractionForm
-if (initialNodeData.model_id_type === undefined) initialNodeData.model_id_type = 'custom'
-if (!Array.isArray(initialNodeData.model_id_reference)) initialNodeData.model_id_reference = []
-if (!initialNodeData.model_params_setting) initialNodeData.model_params_setting = {}
-const shouldInit = initialNodeData.input_variable !== undefined || initialNodeData.variable_list !== undefined
-if (shouldInit) {
-  if (!Array.isArray(initialNodeData.input_variable)) initialNodeData.input_variable = []
-  if (!Array.isArray(initialNodeData.variable_list)) initialNodeData.variable_list = []
+const savedForm = model.properties.node_data as Partial<ParameterExtractionForm> | undefined
+model.properties.node_data = {
+  ...defaultForm,
+  ...savedForm,
+  model_id: savedForm?.model_id ?? defaultForm.model_id,
+  model_id_type: savedForm ? (savedForm.model_id_type ?? 'custom') : defaultForm.model_id_type,
+  model_id_reference: Array.isArray(savedForm?.model_id_reference) ? savedForm.model_id_reference : defaultForm.model_id_reference,
+  model_params_setting: savedForm?.model_params_setting ?? defaultForm.model_params_setting,
+  input_variable: Array.isArray(savedForm?.input_variable) ? savedForm.input_variable : defaultForm.input_variable,
+  variable_list: Array.isArray(savedForm?.variable_list) ? savedForm.variable_list : defaultForm.variable_list,
 }
 
 const formData = computed<ParameterExtractionForm>({
@@ -61,32 +58,49 @@ const formData = computed<ParameterExtractionForm>({
   set: (value) => (model.properties.node_data = value),
 })
 
-watch(
-  () => [formData.value.model_id, formData.value.model_id_reference],
-  () => {
-    const isReference = formData.value.model_id_type === 'reference'
-    const targetProp = isReference ? 'model_id_reference' : 'model_id'
-    const hasValue = isReference ? formData.value.model_id_reference.length > 0 : Boolean(formData.value.model_id)
-    if (hasValue) {
-      formRef.value?.clearValidate(targetProp)
-    }
+// 参数表格只编辑列表，节点入口同步输出字段与下游引用。
+const parameterList = computed({
+  get: () => formData.value.variable_list,
+  set: (fields: ParameterField[]) => {
+    formData.value.variable_list = fields
+    model.properties.config ??= {}
+    model.properties.config.fields = [{ label: '结果', value: 'result' }, ...fields.map((field) => ({ label: field.label, value: field.field }))]
+    model.clearNextNodeField(false)
   },
-)
+})
 
-function validate() {
-  const list: Array<Promise<unknown>> = []
-  const formResult = formRef.value?.validate()
-  if (formResult) list.push(formResult)
-  if (formData.value.model_id_type === 'reference') {
-    const r = modelCascaderRef.value?.validate()
-    if (r) list.push(r)
+const modelSetting = computed(() => {
+  const defaultModel = model.getDefaultModelConfig('LLM')
+  const isDefaultModel = formData.value.model_id_type === 'default'
+  return {
+    model_id: isDefaultModel ? (defaultModel?.model_id ?? '') : formData.value.model_id,
+    model_params_setting: isDefaultModel ? (defaultModel?.model_params_setting ?? {}) : formData.value.model_params_setting,
   }
-  const inputR = inputVariableCascaderRef.value?.validate()
-  if (inputR) list.push(inputR)
-  if (!formData.value.variable_list.length) {
-    list.push(Promise.reject('请添加提取参数'))
+})
+const modelFormProp = computed(() => (formData.value.model_id_type === 'reference' ? 'model_id_reference' : 'model_id'))
+function updateNodeData(setting: Partial<ParameterExtractionForm>) {
+  model.properties.node_data = { ...formData.value, ...setting }
+}
+
+function changeModelSource(source: ParameterExtractionForm['model_id_type']) {
+  updateNodeData({ model_id_reference: [], model_id_type: source })
+  parameterExtractionFormRef.value?.clearValidate(['model_id', 'model_id_reference'])
+}
+
+function validateModel(_rule: unknown, _value: unknown, callback: (error?: Error) => void) {
+  if (formData.value.model_id_type === 'reference') {
+    callback(formData.value.model_id_reference.length ? undefined : new Error('请选择引用变量'))
+    return
   }
-  return Promise.all(list).catch((error) => Promise.reject({ node: model, errMessage: error }))
+  callback(
+    modelSetting.value.model_id
+      ? undefined
+      : new Error(formData.value.model_id_type === 'default' ? '请在默认模型设置中选择 AI 模型' : '请选择 AI 模型'),
+  )
+}
+
+async function validate() {
+  return parameterExtractionFormRef.value?.validate().catch((error) => Promise.reject({ node: model, errMessage: error }))
 }
 
 const anchorGuard = createAnchorGuard(model)
@@ -105,75 +119,65 @@ onMounted(() => {
 
 <template>
   <NodeContainer :node-model="model">
+    <h6 class="mk-title-decoration mb-2">节点设置</h6>
     <div class="mk-gray-card">
-      <el-form ref="formRef" :model="formData" label-position="top" hide-required-asterisk @submit.prevent>
-        <el-form-item
-          v-if="formData.model_id_type === 'reference'"
-          prop="model_id_reference"
-          :rules="{ required: true, message: '请选择 AI 模型', trigger: 'change' }"
-        >
-          <template #label>
-            <div class="flex-between gap-3">
-              <span>AI 模型<span class="ml-1 text-danger">*</span></span>
-              <el-select
-                v-model="formData.model_id_type"
-                :teleported="false"
-                class="w-21!"
-                size="small"
-                @change="formData.model_id_reference = []"
-                @visible-change="anchorGuard.setOverlayVisible('model-source', $event)"
-                @wheel="handleNodeWheel"
-              >
-                <el-option label="引用变量" value="reference" />
-                <el-option label="自定义" value="custom" />
-              </el-select>
-            </div>
-          </template>
-          <NodeCascader ref="modelCascaderRef" v-model="formData.model_id_reference" :node-model="model" placeholder="请选择变量" />
-        </el-form-item>
-
-        <el-form-item v-else prop="model_id" :rules="{ required: true, message: '请选择 AI 模型', trigger: 'change' }">
+      <el-form ref="parameterExtractionFormRef" :model="formData" label-position="top" require-asterisk-position="right" @submit.prevent>
+        <el-form-item :prop="modelFormProp" class="mk-hide-asterisk" :rules="{ validator: validateModel, trigger: 'change' }">
           <template #label>
             <div class="flex-between gap-3">
-              <span>AI 模型<span class="ml-1 text-danger">*</span></span>
+              <span class="mk-required">AI 模型</span>
               <el-select
-                v-model="formData.model_id_type"
+                :model-value="formData.model_id_type"
                 :teleported="false"
-                class="w-21!"
+                class="w-22!"
                 size="small"
-                @change="formData.model_id_reference = []"
+                @update:model-value="changeModelSource"
                 @visible-change="anchorGuard.setOverlayVisible('model-source', $event)"
                 @wheel="handleNodeWheel"
               >
+                <el-option label="默认模型" value="default" />
                 <el-option label="引用变量" value="reference" />
                 <el-option label="自定义" value="custom" />
               </el-select>
             </div>
           </template>
+          <NodeCascader
+            v-if="formData.model_id_type === 'reference'"
+            ref="modelCascaderRef"
+            v-model="formData.model_id_reference"
+            :node-model="model"
+            placeholder="请选择变量"
+          />
           <ModelSelect
-            v-model="formData.model_id"
-            v-model:model-params="formData.model_params_setting"
+            v-else-if="formData.model_id_type === 'default'"
+            :model-value="modelSetting.model_id"
+            :model-params="modelSetting.model_params_setting"
+            disabled
+            :options="modelList"
+            :provider-options="providerOptions"
+            placeholder="未配置默认模型"
+          />
+          <ModelSelect
+            v-else
+            :model-value="formData.model_id"
+            :model-params="formData.model_params_setting"
             can-edit-params
             :options="modelList"
             :provider-options="providerOptions"
             placeholder="请选择 AI 模型"
+            @update:model-value="updateNodeData({ model_id: $event })"
+            @update:model-params="updateNodeData({ model_params_setting: $event })"
           />
         </el-form-item>
 
-        <el-form-item prop="input_variable" :rules="{ required: true, message: '请选择输入变量', trigger: 'change' }">
-          <template #label>
-            <span>输入变量<span class="ml-1 text-danger">*</span></span>
-          </template>
-          <NodeCascader
-            ref="inputVariableCascaderRef"
-            v-model="formData.input_variable"
-            :node-model="model"
-            placeholder="请选择变量"
-          />
+        <!-- 输入变量 -->
+        <el-form-item label="输入变量" prop="input_variable" :rules="{ message: '请选择输入变量', trigger: 'change', required: true }">
+          <NodeCascader ref="inputVariableCascaderRef" v-model="formData.input_variable" :node-model="model" placeholder="请选择变量" />
         </el-form-item>
 
-        <el-form-item prop="variable_list" :rules="{ required: true, message: '请添加提取参数', trigger: 'blur' }">
-          <ParametersFieldTable ref="paramsFieldTableRef" :node-model="model" />
+        <!-- 提取参数 -->
+        <el-form-item prop="variable_list" :rules="{ type: 'array', message: '请添加提取参数', trigger: 'change', required: true }">
+          <ParametersFieldTable v-model="parameterList" />
         </el-form-item>
       </el-form>
     </div>
diff --git a/ui/src/workflow-canvas/nodes/variable-aggregation-node/component/GroupFieldDialog.vue b/ui/src/workflow-canvas/nodes/variable-aggregation-node/component/GroupFieldDialog.vue
index 7a35b599ba9..02fc632d9d1 100644
--- a/ui/src/workflow-canvas/nodes/variable-aggregation-node/component/GroupFieldDialog.vue
+++ b/ui/src/workflow-canvas/nodes/variable-aggregation-node/component/GroupFieldDialog.vue
@@ -60,7 +60,7 @@ defineExpose({ close, open })
 
 <template>
   <MkDialog v-model="visible" :title="editing ? '编辑分组' : '添加分组'" @closed="resetData" align-center>
-    <el-form ref="formRef" label-position="top" require-asterisk-position="right" :rules="rules" :model="formData" @submit.prevent="handleSubmit">
+    <el-form ref="formRef" label-position="top" require-asterisk-position="right" :rules="rules" :model="formData" @submit.prevent>
       <el-form-item label="变量" prop="field">
         <el-input v-model="formData.field" :maxlength="64" placeholder="请输入变量" show-word-limit />
       </el-form-item>
diff --git a/ui/src/workflow-canvas/nodes/variable-splitting-node/component/VariableFieldDialog.vue b/ui/src/workflow-canvas/nodes/variable-splitting-node/component/VariableFieldDialog.vue
deleted file mode 100644
index 6c56e3c0d19..00000000000
--- a/ui/src/workflow-canvas/nodes/variable-splitting-node/component/VariableFieldDialog.vue
+++ /dev/null
@@ -1,96 +0,0 @@
-<template>
-  <MkDialog
-    v-model="dialogVisible"
-    :title="isEdit ? '编辑变量' : '添加变量'"
-    width="520px"
-    append-to-body
-    :close-on-click-modal="false"
-    :close-on-press-escape="false"
-  >
-    <el-form ref="fieldFormRef" label-position="top" require-asterisk-position="right" :rules="rules" :model="form">
-      <el-form-item label="变量" prop="field">
-        <el-input v-model="form.field" :maxlength="64" placeholder="请输入变量" show-word-limit />
-      </el-form-item>
-      <el-form-item label="显示名称" prop="label">
-        <el-input v-model="form.label" :maxlength="64" show-word-limit placeholder="请输入显示名称" />
-      </el-form-item>
-      <el-form-item label="表达式" prop="expression">
-        <template #label>
-          <span class="inline-flex items-center gap-1">
-            表达式
-            <el-tooltip effect="dark" placement="right">
-              <template #content>
-                请使用 JSON Path 表达式拆分变量，例如：$.store.book
-                <a
-                  href="https://pypi.org/project/jsonpath-ng/1.8.0/"
-                  target="_blank"
-                  rel="noopener noreferrer"
-                  class="text-primary hover:text-primary/80"
-                  >点击查看详情 ➜ pypi.org</a
-                >
-              </template>
-              <MkIcon name="icon_info_outlined" class="text-N600!" />
-            </el-tooltip>
-          </span>
-        </template>
-        <el-input v-model="form.expression" :maxlength="64" show-word-limit placeholder="请输入表达式" />
-      </el-form-item>
-    </el-form>
-    <template #footer>
-      <el-button @click.prevent="close">取消</el-button>
-      <el-button type="primary" @click="submit(fieldFormRef)">保存</el-button>
-    </template>
-  </MkDialog>
-</template>
-<script setup lang="ts">
-import { reactive, ref, useTemplateRef } from 'vue'
-import type { FormInstance } from 'element-plus'
-import { cloneDeep } from 'lodash'
-
-defineOptions({ name: 'VariableSplittingFieldDialog' })
-
-const emit = defineEmits<{ refresh: [data: { field: string; label: string; expression: string }, index?: number] }>()
-
-const fieldFormRef = useTemplateRef<FormInstance>('fieldFormRef')
-const isEdit = ref(false)
-const currentIndex = ref<number | undefined>(undefined)
-const form = ref<{ field: string; label: string; expression: string }>({ field: '', label: '', expression: '' })
-
-const rules = reactive({
-  label: [{ required: true, message: '请输入显示名称', trigger: 'blur' }],
-  field: [
-    { required: true, message: '请输入变量', trigger: 'blur' },
-    { pattern: /^[a-zA-Z0-9_]+$/, message: '变量可由字母、数字、下划线组成', trigger: 'blur' },
-  ],
-  expression: [{ required: true, message: '请输入表达式', trigger: 'blur' }],
-})
-
-const dialogVisible = ref(false)
-
-function open(row?: { field: string; label: string; expression: string }, index?: number) {
-  if (row) {
-    form.value = cloneDeep(row)
-    isEdit.value = true
-    currentIndex.value = index
-  }
-  dialogVisible.value = true
-}
-
-function close() {
-  dialogVisible.value = false
-  isEdit.value = false
-  currentIndex.value = undefined
-  form.value = { field: '', label: '', expression: '' }
-}
-
-const submit = async (formEl: FormInstance | null) => {
-  if (!formEl) return
-  await formEl.validate((valid) => {
-    if (valid) {
-      emit('refresh', cloneDeep(form.value), currentIndex.value)
-    }
-  })
-}
-
-defineExpose({ open, close })
-</script>
diff --git a/ui/src/workflow-canvas/nodes/variable-splitting-node/component/VariableFieldTable.vue b/ui/src/workflow-canvas/nodes/variable-splitting-node/component/VariableFieldTable.vue
deleted file mode 100644
index 5d1e7dc0d90..00000000000
--- a/ui/src/workflow-canvas/nodes/variable-splitting-node/component/VariableFieldTable.vue
+++ /dev/null
@@ -1,112 +0,0 @@
-<template>
-  <div class="w-full">
-    <div class="flex-between mb-2">
-      <span>
-        拆分变量
-        <span class="ml-1 text-danger">*</span>
-      </span>
-      <el-button link type="primary" @click="openAddDialog()">
-        <MkIcon name="icon_add_outlined" class="mr-1" />
-        添加
-      </el-button>
-    </div>
-
-    <MkTable size="small" v-if="inputFieldList.length > 0" :data="inputFieldList" row-key="field">
-      <el-table-column prop="field" label="变量" width="100" show-overflow-tooltip>
-        <template #default="{ row }">
-          <span :title="row.field" class="block truncate">{{ row.field }}</span>
-        </template>
-      </el-table-column>
-      <el-table-column prop="label" label="显示名称" min-width="90">
-        <template #default="{ row }">
-          <span :title="row.label" class="block truncate">{{ row.label }}</span>
-        </template>
-      </el-table-column>
-      <el-table-column label="操作" width="72">
-        <template #default="{ row, $index }">
-          <el-button text class="h-6! w-6! p-0!" aria-label="编辑" @click="openAddDialog(row, $index)">
-            <MkIcon name="icon_edit_outlined" />
-          </el-button>
-          <el-button text class="ml-0! h-6! w-6! p-0!" aria-label="删除" @click="deleteField($index)">
-            <MkIcon name="icon_delete-trash_outlined" />
-          </el-button>
-        </template>
-      </el-table-column>
-    </MkTable>
-    <MkEmpty v-else description="暂无变量，请点击添加" :image-size="60" />
-
-    <VariableFieldDialog ref="VariableFieldDialogRef" @refresh="refreshFieldList" />
-  </div>
-</template>
-<script setup lang="ts">
-import { computed, ref } from 'vue'
-import { cloneDeep } from 'lodash'
-import type { WorkflowNodeModel } from '@/workflow-canvas/core/workflow-node'
-
-import VariableFieldDialog from './VariableFieldDialog.vue'
-import { MsgError } from '@/utils/message'
-
-defineOptions({ name: 'WorkflowVariableSplittingFieldTable' })
-
-const props = defineProps<{ nodeModel: WorkflowNodeModel }>()
-
-const VariableFieldDialogRef = ref<InstanceType<typeof VariableFieldDialog>>()
-
-const nodeProps = props.nodeModel.properties as unknown as {
-  config: Record<string, unknown>
-  node_data: Record<string, unknown>
-}
-
-if (!nodeProps.node_data) {
-  nodeProps.node_data = {}
-}
-if (!Array.isArray(nodeProps.node_data.variable_list)) {
-  nodeProps.node_data.variable_list = []
-}
-
-const inputFieldList = computed<Array<Record<string, unknown>>>({
-  get: () => nodeProps.node_data.variable_list as Array<Record<string, unknown>>,
-  set: (value) => {
-    nodeProps.node_data.variable_list = value
-  },
-})
-
-function syncConfig() {
-  const fields = [{ label: '结果', value: 'result' }, ...inputFieldList.value.map((item) => ({ label: item.label, value: item.field }))]
-  if (!nodeProps.config) {
-    nodeProps.config = {}
-  }
-  nodeProps.config.fields = fields
-  props.nodeModel.clearNextNodeField(false)
-}
-
-function openAddDialog(data?: Record<string, unknown>, index?: number) {
-  VariableFieldDialogRef.value?.open(data as { field: string; label: string; expression: string }, index)
-}
-
-function deleteField(index: number) {
-  const list = cloneDeep(inputFieldList.value)
-  list.splice(index, 1)
-  inputFieldList.value = list
-  syncConfig()
-}
-
-function refreshFieldList(data: { field: string; label: string; expression: string }, index?: number) {
-  for (let i = 0; i < inputFieldList.value.length; i++) {
-    if ((inputFieldList.value[i] as { field: string }).field === data.field && i !== index) {
-      MsgError(`变量 "${data.field}" 已存在`)
-      return
-    }
-  }
-
-  const list = cloneDeep(inputFieldList.value)
-  if (index === undefined || index === null) {
-    list.push(data)
-  } else {
-    list.splice(index, 1, data)
-  }
-  inputFieldList.value = list
-  VariableFieldDialogRef.value?.close()
-  syncConfig()
-}
-</script>
diff --git a/ui/src/workflow-canvas/nodes/variable-splitting-node/component/variable-field/VariableFieldDialog.vue b/ui/src/workflow-canvas/nodes/variable-splitting-node/component/variable-field/VariableFieldDialog.vue
new file mode 100644
index 00000000000..afbff3c3293
--- /dev/null
+++ b/ui/src/workflow-canvas/nodes/variable-splitting-node/component/variable-field/VariableFieldDialog.vue
@@ -0,0 +1,95 @@
+<script setup lang="ts">
+import { ref, useTemplateRef } from 'vue'
+import type { FormInstance, FormRules } from 'element-plus'
+import { cloneDeep } from 'lodash'
+import type { VariableField } from './types'
+
+defineOptions({ name: 'VariableSplittingFieldDialog' })
+
+const emit = defineEmits<{ submit: [data: VariableField, index?: number] }>()
+
+const formRef = useTemplateRef<FormInstance>('formRef')
+const editing = ref(false)
+const currentIndex = ref<number | undefined>(undefined)
+const formData = ref<VariableField>({ field: '', label: '', expression: '' })
+
+const rules: FormRules<VariableField> = {
+  label: [{ required: true, message: '请输入显示名称', trigger: 'blur' }],
+  field: [
+    { required: true, message: '请输入变量', trigger: 'blur' },
+    { pattern: /^[a-zA-Z0-9_]+$/, message: '变量可由字母、数字、下划线组成', trigger: 'blur' },
+  ],
+  expression: [{ required: true, message: '请输入表达式', trigger: 'blur' }],
+}
+
+const visible = ref(false)
+
+function open(data?: VariableField, index?: number) {
+  resetData()
+  if (data) {
+    formData.value = cloneDeep(data)
+    editing.value = true
+    currentIndex.value = index
+  }
+  visible.value = true
+}
+
+function handleSubmit() {
+  formRef.value
+    ?.validate()
+    .then(() => {
+      emit('submit', cloneDeep(formData.value), currentIndex.value)
+    })
+    .catch(() => {})
+}
+
+function close() {
+  visible.value = false
+}
+
+function resetData() {
+  editing.value = false
+  currentIndex.value = undefined
+  formData.value = { field: '', label: '', expression: '' }
+  formRef.value?.clearValidate()
+}
+
+defineExpose({ close, open })
+</script>
+<template>
+  <MkDialog v-model="visible" :title="editing ? '编辑变量' : '添加变量'" @closed="resetData" align-center>
+    <el-form ref="formRef" label-position="top" require-asterisk-position="right" :rules="rules" :model="formData" @submit.prevent>
+      <el-form-item label="变量" prop="field">
+        <el-input v-model="formData.field" :maxlength="64" placeholder="请输入变量" show-word-limit />
+      </el-form-item>
+      <el-form-item label="显示名称" prop="label">
+        <el-input v-model="formData.label" :maxlength="64" show-word-limit placeholder="请输入显示名称" />
+      </el-form-item>
+      <el-form-item class="mk-hide-asterisk" prop="expression">
+        <template #label>
+          <span class="flex items-center gap-1">
+            <span class="mk-required">表达式</span>
+            <el-tooltip placement="right">
+              <template #content>
+                请使用 JSON Path 表达式拆分变量，例如：$.store.book
+                <a
+                  href="https://pypi.org/project/jsonpath-ng/1.8.0/"
+                  target="_blank"
+                  rel="noopener noreferrer"
+                  class="text-primary hover:text-primary/80"
+                  >点击查看详情 ➜ pypi.org</a
+                >
+              </template>
+              <MkIcon name="icon_info_outlined" class="text-N600!" />
+            </el-tooltip>
+          </span>
+        </template>
+        <el-input v-model="formData.expression" :maxlength="64" show-word-limit placeholder="请输入表达式" />
+      </el-form-item>
+    </el-form>
+    <template #footer>
+      <el-button plain @click="visible = false">取消</el-button>
+      <el-button type="primary" @click="handleSubmit">{{ editing ? '保存' : '添加' }}</el-button>
+    </template>
+  </MkDialog>
+</template>
diff --git a/ui/src/workflow-canvas/nodes/variable-splitting-node/component/variable-field/VariableFieldTable.vue b/ui/src/workflow-canvas/nodes/variable-splitting-node/component/variable-field/VariableFieldTable.vue
new file mode 100644
index 00000000000..8117b2195ce
--- /dev/null
+++ b/ui/src/workflow-canvas/nodes/variable-splitting-node/component/variable-field/VariableFieldTable.vue
@@ -0,0 +1,73 @@
+<script setup lang="ts">
+import { useTemplateRef } from 'vue'
+import { cloneDeep } from 'lodash'
+
+import VariableFieldDialog from './VariableFieldDialog.vue'
+import type { VariableField } from './types'
+import { MsgError } from '@/utils/message'
+
+defineOptions({ name: 'WorkflowVariableSplittingFieldTable' })
+
+const variableList = defineModel<VariableField[]>({ required: true })
+const variableFieldDialogRef = useTemplateRef<InstanceType<typeof VariableFieldDialog>>('variableFieldDialogRef')
+
+function openFieldDialog(data?: VariableField, index?: number) {
+  variableFieldDialogRef.value?.open(data, index)
+}
+
+function deleteField(index: number) {
+  variableList.value = cloneDeep(variableList.value.filter((_, fieldIndex) => fieldIndex !== index))
+}
+
+function saveField(data: VariableField, index?: number) {
+  if (variableList.value.some((field, fieldIndex) => field.field === data.field && fieldIndex !== index)) {
+    MsgError(`变量 "${data.field}" 已存在`)
+    return
+  }
+
+  const fields = cloneDeep(variableList.value)
+  if (index === undefined) {
+    fields.push(cloneDeep(data))
+  } else {
+    fields.splice(index, 1, cloneDeep(data))
+  }
+  variableList.value = fields
+  variableFieldDialogRef.value?.close()
+}
+</script>
+
+<template>
+  <div class="w-full">
+    <div class="flex-between mb-2">
+      <span class="mk-required">拆分变量</span>
+      <el-button text type="primary" @click="openFieldDialog()">
+        <MkIcon name="icon_add_outlined" />
+      </el-button>
+    </div>
+
+    <MkTable size="small" class="border" :data="variableList" row-key="field">
+      <el-table-column prop="field" label="变量">
+        <template #default="{ row }">
+          <span :title="row.field" class="block truncate">{{ row.field }}</span>
+        </template>
+      </el-table-column>
+      <el-table-column prop="label" label="显示名称">
+        <template #default="{ row }">
+          <span :title="row.label" class="block truncate">{{ row.label }}</span>
+        </template>
+      </el-table-column>
+      <el-table-column label="操作" width="80">
+        <template #default="{ row, $index }">
+          <el-button text type="primary" @click="openFieldDialog(row, $index)">
+            <MkIcon name="icon_edit_outlined" />
+          </el-button>
+          <el-button text type="primary" @click="deleteField($index)">
+            <MkIcon name="icon_delete-trash_outlined" />
+          </el-button>
+        </template>
+      </el-table-column>
+    </MkTable>
+
+    <VariableFieldDialog ref="variableFieldDialogRef" @submit="saveField" />
+  </div>
+</template>
diff --git a/ui/src/workflow-canvas/nodes/variable-splitting-node/component/variable-field/types.ts b/ui/src/workflow-canvas/nodes/variable-splitting-node/component/variable-field/types.ts
new file mode 100644
index 00000000000..af8d90620b0
--- /dev/null
+++ b/ui/src/workflow-canvas/nodes/variable-splitting-node/component/variable-field/types.ts
@@ -0,0 +1,5 @@
+export interface VariableField {
+  field: string
+  label: string
+  expression: string
+}
diff --git a/ui/src/workflow-canvas/nodes/variable-splitting-node/index.vue b/ui/src/workflow-canvas/nodes/variable-splitting-node/index.vue
index c15841ee62c..78afacf21db 100644
--- a/ui/src/workflow-canvas/nodes/variable-splitting-node/index.vue
+++ b/ui/src/workflow-canvas/nodes/variable-splitting-node/index.vue
@@ -6,36 +6,50 @@ import type { FormInstance } from 'element-plus'
 import NodeCascader from '@/workflow-canvas/core/NodeCascader.vue'
 import NodeContainer from '@/workflow-canvas/core/node-container/index.vue'
 import type { WorkflowNodeModel } from '@/workflow-canvas/core/workflow-node'
-import VariableFieldTable from './component/VariableFieldTable.vue'
+import VariableFieldTable from './component/variable-field/VariableFieldTable.vue'
+import type { VariableField } from './component/variable-field/types'
 
 defineOptions({ name: 'WorkflowVariableSplittingNode' })
 const getModel = inject('getModel') as () => BaseNodeModel
 const model = getModel() as WorkflowNodeModel
 
-if (!model.properties.node_data) {
-  model.properties.node_data = { input_variable: [], variable_list: [] }
+interface VariableSplittingNodeForm {
+  input_variable: string[]
+  variable_list: VariableField[]
 }
-const formData = computed<{ input_variable: string[]; variable_list: Array<Record<string, unknown>> }>({
-  get: () => model.properties.node_data as { input_variable: string[]; variable_list: Array<Record<string, unknown>> },
-  set: (value) => {
-    model.properties.node_data = value
-  },
+
+const defaultForm: VariableSplittingNodeForm = {
+  input_variable: [],
+  variable_list: [],
+}
+const savedForm = model.properties.node_data as Partial<VariableSplittingNodeForm> | undefined
+model.properties.node_data = {
+  ...defaultForm,
+  ...savedForm,
+  input_variable: Array.isArray(savedForm?.input_variable) ? savedForm.input_variable : defaultForm.input_variable,
+  variable_list: Array.isArray(savedForm?.variable_list) ? savedForm.variable_list : defaultForm.variable_list,
+}
+
+const formData = computed<VariableSplittingNodeForm>({
+  get: () => model.properties.node_data as VariableSplittingNodeForm,
+  set: (value) => (model.properties.node_data = value),
 })
 
 const variableSplittingFormRef = useTemplateRef<FormInstance>('variableSplittingFormRef')
-const nodeCascaderRef = useTemplateRef<InstanceType<typeof NodeCascader>>('nodeCascaderRef')
-const variableFieldTableRef = useTemplateRef<InstanceType<typeof VariableFieldTable>>('variableFieldTableRef')
 
-const validate = () => {
-  const vList: Array<Promise<unknown>> = []
-  const formResult = variableSplittingFormRef.value?.validate()
-  if (formResult) vList.push(formResult)
-  const cascaderResult = nodeCascaderRef.value?.validate()
-  if (cascaderResult) vList.push(cascaderResult)
-  if (!formData.value.variable_list.length) {
-    vList.push(Promise.reject('请添加拆分变量'))
-  }
-  return Promise.all(vList).catch((error) => Promise.reject({ node: model, errMessage: error }))
+// 表格只编辑变量列表；节点输出和下游引用由节点入口同步。
+const variableList = computed({
+  get: () => formData.value.variable_list,
+  set: (fields: VariableField[]) => {
+    formData.value.variable_list = fields
+    model.properties.config ??= {}
+    model.properties.config.fields = [{ label: '结果', value: 'result' }, ...fields.map((field) => ({ label: field.label, value: field.field }))]
+    model.clearNextNodeField(false)
+  },
+})
+
+async function validate() {
+  return variableSplittingFormRef.value?.validate().catch((error) => Promise.reject({ node: model, errMessage: error }))
 }
 
 onMounted(() => {
@@ -45,27 +59,16 @@ onMounted(() => {
 
 <template>
   <NodeContainer :node-model="model">
+    <h6 class="mk-title-decoration mb-2">节点设置</h6>
     <div class="mk-gray-card">
-      <el-form
-        ref="variableSplittingFormRef"
-        :model="formData"
-        label-position="top"
-        require-asterisk-position="right"
-        label-width="auto"
-        hide-required-asterisk
-        @submit.prevent
-      >
-        <el-form-item prop="input_variable" :rules="{ message: '请选择变量', trigger: 'blur', required: true }">
-          <template #label>
-            <div class="flex-between">
-              <div>输入变量<span class="ml-1 text-danger">*</span></div>
-            </div>
-          </template>
+      <el-form ref="variableSplittingFormRef" :model="formData" label-position="top" require-asterisk-position="right" @submit.prevent>
+        <!-- 输入变量 -->
+        <el-form-item label="输入变量" prop="input_variable" :rules="{ message: '请选择变量', trigger: 'change', required: true }">
           <NodeCascader ref="nodeCascaderRef" :node-model="model" placeholder="请选择变量" v-model="formData.input_variable" />
         </el-form-item>
-
-        <el-form-item prop="variable_list" :rules="{ message: '请添加拆分变量', trigger: 'blur', required: true }">
-          <VariableFieldTable ref="variableFieldTableRef" :node-model="model" />
+        <!-- 拆分变量 -->
+        <el-form-item prop="variable_list" :rules="{ type: 'array', message: '请添加拆分变量', trigger: 'change', required: true }">
+          <VariableFieldTable v-model="variableList" />
         </el-form-item>
       </el-form>
     </div>