diff --git a/frontend/src/views/flow/FlowCanvas.vue b/frontend/src/views/flow/FlowCanvas.vue
index 274dbd9..ea145bf 100644
--- a/frontend/src/views/flow/FlowCanvas.vue
+++ b/frontend/src/views/flow/FlowCanvas.vue
@@ -1,42 +1,45 @@
 <template>
-  <VueFlow
-    :nodes="localNodes"
-    :edges="localEdges"
-    @nodes-change="onNodesChange"
-    @edges-change="onEdgesChange"
-    @connect="handleConnect"
-    @node-click="$emit('node-click', $event)"
-    @pane-click="onPaneClickLocal"
-    @drop="$emit('drop', $event)"
-    @dragover.prevent
-    @edge-click="onEdgeClick"
-    @contextmenu="onContextMenu"
-  >
-    <Background :gap="20" :size="1" />
-    <Controls position="bottom-right" />
-    <MiniMap
-      position="bottom-left"
-      :node-stroke-color="'#409EFF'"
-      :node-color="nodeColor"
-      pannable
-      zoomable
-    />
-
-    <template #node-custom="nodeProps">
-      <FlowNode
-        :id="nodeProps.id"
-        :data="nodeProps.data"
-        :selected="nodeProps.selected"
-        @delete="$emit('node-delete', nodeProps.id)"
+  <div style="width:100%;height:100%">
+    <VueFlow
+      v-if="ready"
+      :nodes="props.nodes"
+      :edges="props.edges"
+      @nodes-change="onNodesChange"
+      @edges-change="onEdgesChange"
+      @node-click="(e: any) => $emit('node-click', e)"
+      @pane-click="onPaneClickLocal"
+      @connect="handleConnect"
+      @drop="(e: any) => $emit('drop', e)"
+      @dragover.prevent
+      @edge-click="onEdgeClick"
+      @contextmenu="onContextMenu"
+    >
+      <Background :gap="20" :size="1" />
+      <Controls position="bottom-right" />
+      <MiniMap
+        position="bottom-left"
+        :node-stroke-color="'#409EFF'"
+        :node-color="props.nodeColor"
+        pannable
+        zoomable
       />
-    </template>
-  </VueFlow>
+
+      <template #node-custom="nodeProps">
+        <FlowNode
+          :id="nodeProps.id"
+          :data="nodeProps.data"
+          :selected="nodeProps.selected"
+          @delete="$emit('node-delete', nodeProps.id)"
+        />
+      </template>
+    </VueFlow>
+  </div>
 </template>
 
 <script setup lang="ts">
-import { ref, watch, nextTick } from 'vue'
+import { ref, watch } from 'vue'
 import { MarkerType } from '@vue-flow/core'
-import { VueFlow, useVueFlow } from '@vue-flow/core'
+import { VueFlow } from '@vue-flow/core'
 import { Background } from '@vue-flow/background'
 import { Controls } from '@vue-flow/controls'
 import { MiniMap } from '@vue-flow/minimap'
@@ -57,113 +60,43 @@ const emit = defineEmits([
   'update:nodes', 'update:edges',
 ])
 
-const localNodes = ref<any[]>([])
-const localEdges = ref<any[]>([])
+const ready = ref(true)
+const selectedEdgeId = ref<string | null>(null)
+let skipNextNodesChange = false
 
-let isExternalUpdate = false
-let isInitialized = false
-let pendingAdditions = new Map<string, any>()
+watch(() => props.nodes, () => {
+  skipNextNodesChange = true
+})
 
-watch(() => props.nodes, async (newNodes) => {
-  if (isExternalUpdate) {
-    isExternalUpdate = false
+function onNodesChange(changes: any[]) {
+  if (skipNextNodesChange) {
+    skipNextNodesChange = false
     return
   }
   
-  if (!newNodes || newNodes.length === 0) return
-  
-  const existingNodeMap = new Map(localNodes.value.map(n => [n.id, { position: n.position, data: n.data }]))
+  const positionChanges = changes.filter((c: any) => c.type === 'position')
+  if (positionChanges.length === 0) return
   
-  const mergedNodes = newNodes.map(newNode => {
-    const pending = pendingAdditions.get(newNode.id)
-    if (pending) {
-      pendingAdditions.delete(newNode.id)
-      return {
-        ...newNode,
-        position: { ...pending.position },
-        data: { ...newNode.data },
-      }
-    }
-    
-    const existing = existingNodeMap.get(newNode.id)
-    if (existing) {
-      return {
-        ...newNode,
-        position: { ...existing.position },
-        data: { ...newNode.data },
-      }
+  const updatedNodes = props.nodes.map((node: any) => {
+    const change = positionChanges.find((c: any) => c.id === node.id)
+    if (change && change.position) {
+      return { ...node, position: { x: change.position.x, y: change.position.y } }
     }
-    
-    return { ...newNode, data: { ...newNode.data } }
+    return node
   })
   
-  localNodes.value = mergedNodes
-  
-  if (!isInitialized) {
-    isInitialized = true
-  }
-}, { immediate: true })
-
-watch(() => props.edges, (newEdges) => {
-  if (isExternalUpdate) {
-    isExternalUpdate = false
-    return
-  }
-  
-  if (!newEdges || newEdges.length === 0) return
-  
-  localEdges.value = JSON.parse(JSON.stringify(newEdges))
-}, { immediate: true })
-
-function onNodesChange(changes: any[]) {
-  if (isExternalUpdate) {
-    isExternalUpdate = false
-    return
-  }
-  
-  const positionChanges = changes.filter((c: any) => c.type === 'position')
-  if (positionChanges.length > 0 && localNodes.value.length > 0) {
-    const updatedNodes = localNodes.value.map((node: any) => {
-      const change = positionChanges.find((c: any) => c.id === node.id)
-      if (change) {
-        return {
-          ...node,
-          position: {
-            x: change.position?.x ?? node.position?.x,
-            y: change.position?.y ?? node.position?.y,
-          },
-        }
-      }
-      return node
-    })
-    
-    localNodes.value = updatedNodes
-  }
+  emit('update:nodes', updatedNodes)
 }
 
 function onEdgesChange(changes: any[]) {
-  if (isExternalUpdate) {
-    isExternalUpdate = false
-    return
-  }
-  
   const removeChanges = changes.filter((c: any) => c.type === 'remove')
   if (removeChanges.length > 0) {
     const removeIds = new Set(removeChanges.map((c: any) => c.id))
-    localEdges.value = localEdges.value.filter((e: any) => !removeIds.has(e.id))
-  }
-  
-  const selectChanges = changes.filter((c: any) => c.type === 'select')
-  if (selectChanges.length > 0) {
-    const selected = selectChanges.find((c: any) => c.selected)
-    selectedEdgeId.value = selected ? selected.id : null
+    const updatedEdges = props.edges.filter((e: any) => !removeIds.has(e.id))
+    emit('update:edges', updatedEdges)
   }
 }
 
-const store = useVueFlow()
-
-const selectedEdgeId = ref<string | null>(null)
-
 function onEdgeClick({ edge }: any) {
   selectedEdgeId.value = edge.id
 }
@@ -180,7 +113,8 @@ function onContextMenu(event: MouseEvent) {
     event.preventDefault()
     const edgeId = edgeEl.getAttribute('data-id')
     if (edgeId) {
-      localEdges.value = localEdges.value.filter((e: any) => e.id !== edgeId)
+      const updatedEdges = props.edges.filter((e: any) => e.id !== edgeId)
+      emit('update:edges', updatedEdges)
       selectedEdgeId.value = null
     }
     return
@@ -189,7 +123,7 @@ function onContextMenu(event: MouseEvent) {
 
 function handleConnect(connection: any) {
   const sourceHandle = connection.sourceHandle || 'source'
-  const edge: any = {
+  const newEdge: any = {
     id: `edge_${connection.source}_${connection.target}_${sourceHandle}_${Date.now()}`,
     source: connection.source,
     target: connection.target,
@@ -202,34 +136,17 @@ function handleConnect(connection: any) {
       ? { stroke: '#E53935', strokeWidth: 3 } 
       : { stroke: '#1976D2', strokeWidth: 3 },
   }
-  localEdges.value.push(edge)
+  emit('update:edges', [...props.edges, newEdge])
   emit('connect', connection)
 }
 
 function getSnapshot() {
-  return { nodes: JSON.parse(JSON.stringify(localNodes.value)), edges: JSON.parse(JSON.stringify(localEdges.value)) }
+  return { nodes: JSON.parse(JSON.stringify(props.nodes)), edges: JSON.parse(JSON.stringify(props.edges)) }
 }
 
 defineExpose({
-  undo: () => (store as any).undo?.(),
-  redo: () => (store as any).redo?.(),
-  get canUndo() { return !!(store as any).canUndo },
-  get canRedo() { return !!(store as any).canRedo },
+  get canUndo() { return false },
+  get canRedo() { return false },
   getSnapshot,
-  addNodes: (newNodes: any[]) => { 
-    newNodes.forEach(n => {
-      pendingAdditions.set(n.id, { position: { ...n.position } })
-    })
-    
-    localNodes.value = [...localNodes.value, ...newNodes]
-    
-    nextTick(() => {
-      pendingAdditions.clear()
-    })
-  },
-  removeNodes: (ids: string[]) => {
-    localNodes.value = localNodes.value.filter((n: any) => !ids.includes(n.id))
-    localEdges.value = localEdges.value.filter((e: any) => !ids.includes(e.source) && !ids.includes(e.target))
-  },
 })
-</script>
+</script>
\ No newline at end of file
diff --git a/frontend/src/views/flow/FlowEditor.vue b/frontend/src/views/flow/FlowEditor.vue
index 84db651..dca30e6 100644
--- a/frontend/src/views/flow/FlowEditor.vue
+++ b/frontend/src/views/flow/FlowEditor.vue
@@ -10,8 +10,6 @@
         <el-input v-model="flowDesc" placeholder="描述" style="width: 300px; margin-left: 12px" />
         <el-button type="primary" @click="saveFlow" :loading="saving">保存</el-button>
         <el-button @click="testFlow">验证</el-button>
-        <el-button @click="undo" :disabled="!canUndo">撤销</el-button>
-        <el-button @click="redo" :disabled="!canRedo">重做</el-button>
         <el-button v-if="isEdit" type="success" @click="publishFlow">上架到企微</el-button>
       </div>
     </el-card>
@@ -56,6 +54,8 @@
           @pane-click="onPaneClick"
           @drop="onDrop"
           @node-delete="removeNode"
+          @update:nodes="(v: any) => nodes = v"
+          @update:edges="(v: any) => edges = v"
         />
       </div>
 
@@ -160,11 +160,6 @@ const colorMap: Record<string, string> = {
   output: '#722ed1',
 }
 
-function undo() { canvasRef.value?.undo() }
-function redo() { canvasRef.value?.redo() }
-const canUndo = computed(() => canvasRef.value?.canUndo ?? false)
-const canRedo = computed(() => canvasRef.value?.canRedo ?? false)
-
 const selectedNode = computed(() => nodes.value.find((n: any) => n.id === selectedNodeId.value) || null)
 
 function getMiniMapColor(node: any) {
@@ -183,7 +178,7 @@ function onDrop(event: DragEvent) {
   if (!dataStr) return
   const nodeData = JSON.parse(dataStr)
   const id = `node_${++nodeCounter}`
-  canvasRef.value?.addNodes?.([{
+  nodes.value.push({
     id,
     type: 'custom',
     position: { x: 100 + nodeCounter * 50, y: 100 + nodeCounter * 30 },
@@ -196,7 +191,7 @@ function onDrop(event: DragEvent) {
     },
     draggable: true,
     connectable: true,
-  }])
+  })
 }
 
 function getDefaultConfig(type: string) {
diff --git a/frontend/src/views/flow/FlowNode.vue b/frontend/src/views/flow/FlowNode.vue
index b3fbeb7..8fb113c 100644
--- a/frontend/src/views/flow/FlowNode.vue
+++ b/frontend/src/views/flow/FlowNode.vue
@@ -5,6 +5,7 @@
     </div>
     <div class="node-body">
       <p class="node-type-label">{{ data?.typeDesc || '' }}</p>
+      <p v-if="configSummary" class="node-config-summary">{{ configSummary }}</p>
     </div>
     <button class="node-delete-btn" @click="$emit('delete')" title="删除">×</button>
 
@@ -24,13 +25,18 @@
         <span class="handle-label-false">否</span>
       </Handle>
     </template>
+
+    <template v-if="data?.type === 'wecom_notify' || data?.type === 'output'">
+      <Handle type="source" :position="Position.Right" id="source" class="node-handle" />
+    </template>
   </div>
 </template>
 
 <script setup lang="ts">
+import { computed } from 'vue'
 import { Handle, Position } from '@vue-flow/core'
 
-defineProps<{
+const props = defineProps<{
   id: string
   data?: any
   selected?: boolean
@@ -39,6 +45,49 @@ defineProps<{
 defineEmits<{
   delete: []
 }>()
+
+const config = computed(() => props.data?.config || {})
+
+const configSummary = computed(() => {
+  const cfg = config.value
+  switch (props.data?.type) {
+    case 'trigger':
+      return cfg.event_type ? `事件: ${eventLabel(cfg.event_type)}` : ''
+    case 'llm':
+      return cfg.model ? `${cfg.model} · T=${cfg.temperature ?? 0.7}` : ''
+    case 'tool':
+      return cfg.tool_name ? `工具: ${cfg.tool_name}` : (cfg.tool_type ? `类型: ${cfg.tool_type}` : '')
+    case 'mcp':
+      return cfg.mcp_server ? `MCP: ${cfg.mcp_server}` : ''
+    case 'wecom_notify':
+      return cfg.message_type ? `消息: ${cfg.message_type}` : ''
+    case 'condition':
+      return cfg.condition ? `条件: ${truncate(cfg.condition, 20)}` : ''
+    case 'rag':
+      return cfg.knowledge_base ? `知识库: ${truncate(cfg.knowledge_base, 12)}` : (cfg.search_mode ? `模式: ${cfg.search_mode}` : '')
+    case 'output':
+      return cfg.format ? `格式: ${cfg.format.toUpperCase()}` : ''
+    default:
+      return ''
+  }
+})
+
+function eventLabel(type: string): string {
+  const map: Record<string, string> = {
+    text_message: '文本消息',
+    button_click: '按钮点击',
+    enter_chat: '进入聊天',
+    image_message: '图片消息',
+    voice_message: '语音消息',
+    file_message: '文件消息',
+  }
+  return map[type] || type
+}
+
+function truncate(s: string, max: number): string {
+  if (!s) return ''
+  return s.length > max ? s.slice(0, max) + '...' : s
+}
 </script>
 
 <style scoped>
@@ -75,6 +124,17 @@ defineEmits<{
   font-size: 11px;
   color: #909399;
 }
+.node-config-summary {
+  margin: 2px 0 0;
+  font-size: 11px;
+  color: #606266;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  background: #f5f7fa;
+  border-radius: 4px;
+  padding: 3px 6px;
+}
 .node-delete-btn {
   position: absolute;
   top: -10px;
@@ -136,4 +196,4 @@ defineEmits<{
   pointer-events: none;
   white-space: nowrap;
 }
-</style>
\ No newline at end of file
+</style>
diff --git a/frontend/src/views/flow/node-configs/ConditionConfig.vue b/frontend/src/views/flow/node-configs/ConditionConfig.vue
index 47a53bf..39a2d8f 100644
--- a/frontend/src/views/flow/node-configs/ConditionConfig.vue
+++ b/frontend/src/views/flow/node-configs/ConditionConfig.vue
@@ -3,7 +3,7 @@
     <el-divider content-position="left">条件配置</el-divider>
     
     <el-form-item label="条件类型">
-      <el-select v-model="config.condition_type" @change="$emit('change')">
+      <el-select :model-value="modelValue.condition_type || 'expression'" @change="update('condition_type', $event)">
         <el-option label="表达式" value="expression" />
         <el-option label="JSON路径" value="json_path" />
         <el-option label="正则匹配" value="regex" />
@@ -11,28 +11,28 @@
     </el-form-item>
     
     <el-form-item label="条件表达式">
-      <el-input v-model="config.condition" placeholder="如: status == 'done'" @change="$emit('change')" />
+      <el-input :model-value="modelValue.condition" @input="(e: any) => update('condition', e)" placeholder="如: status == 'done'" />
       <div class="condition-hint">支持变量: {{input_data}}, {{status}}, {{result}}</div>
     </el-form-item>
     
     <el-divider content-position="left">分支配置</el-divider>
     
     <el-form-item label="True分支">
-      <el-input v-model="config.true_label" placeholder="条件满足时的输出标签" @change="$emit('change')" />
+      <el-input :model-value="modelValue.true_label || '是'" @input="(e: any) => update('true_label', e)" placeholder="条件满足时的输出标签" />
     </el-form-item>
     
     <el-form-item label="False分支">
-      <el-input v-model="config.false_label" placeholder="条件不满足时的输出标签" @change="$emit('change')" />
+      <el-input :model-value="modelValue.false_label || '否'" @input="(e: any) => update('false_label', e)" placeholder="条件不满足时的输出标签" />
     </el-form-item>
     
     <el-divider content-position="left">高级选项</el-divider>
     
     <el-form-item label="短路评估">
-      <el-switch v-model="config.short_circuit" @change="$emit('change')" />
+      <el-switch :model-value="modelValue.short_circuit ?? true" @change="update('short_circuit', $event)" />
     </el-form-item>
     
     <el-form-item label="默认分支">
-      <el-select v-model="config.default_branch" @change="$emit('change')">
+      <el-select :model-value="modelValue.default_branch || 'false'" @change="update('default_branch', $event)">
         <el-option label="True" value="true" />
         <el-option label="False" value="false" />
       </el-select>
@@ -41,18 +41,16 @@
 </template>
 
 <script setup lang="ts">
-const config = defineModel<any>({ 
-  default: () => ({ 
-    condition_type: 'expression',
-    condition: '',
-    true_label: '是',
-    false_label: '否',
-    short_circuit: true,
-    default_branch: 'false'
-  }) 
-})
+const props = defineProps<{
+  modelValue: any
+}>()
 
-defineEmits(['change'])
+const emit = defineEmits(['change', 'update:modelValue'])
+
+function update(key: string, val: any) {
+  emit('change')
+  emit('update:modelValue', { ...props.modelValue, [key]: val })
+}
 </script>
 
 <style scoped>
diff --git a/frontend/src/views/flow/node-configs/LlmConfig.vue b/frontend/src/views/flow/node-configs/LlmConfig.vue
index 2e76b0c..7f2b658 100644
--- a/frontend/src/views/flow/node-configs/LlmConfig.vue
+++ b/frontend/src/views/flow/node-configs/LlmConfig.vue
@@ -3,7 +3,7 @@
     <el-divider content-position="left">Agent配置</el-divider>
     
     <el-form-item label="选择Agent">
-      <el-select v-model="config.agent_id" @change="onAgentSelect" placeholder="手动配置或选择已有Agent" clearable>
+      <el-select :model-value="modelValue.agent_id" @change="onAgentSelect" placeholder="手动配置或选择已有Agent" clearable>
         <el-option v-for="a in agentList" :key="a.id" :label="a.name" :value="a.id" />
       </el-select>
     </el-form-item>
@@ -11,11 +11,11 @@
     <el-divider content-position="left">模型配置</el-divider>
     
     <el-form-item label="系统提示词">
-      <el-input v-model="config.system_prompt" type="textarea" :rows="4" @change="$emit('change')" placeholder="输入系统提示词，定义AI角色和行为" />
+      <el-input :model-value="modelValue.system_prompt" type="textarea" :rows="4" @input="(e: any) => update('system_prompt', e)" placeholder="输入系统提示词，定义AI角色和行为" />
     </el-form-item>
     
     <el-form-item label="模型">
-      <el-select v-model="config.model" @change="$emit('change')">
+      <el-select :model-value="modelValue.model || 'gpt-4o-mini'" @change="update('model', $event)">
         <el-option label="GPT-4o-mini" value="gpt-4o-mini" />
         <el-option label="GPT-4o" value="gpt-4o" />
         <el-option label="GPT-3.5-turbo" value="gpt-3.5-turbo" />
@@ -25,21 +25,21 @@
     </el-form-item>
     
     <el-form-item label="温度">
-      <el-slider v-model="config.temperature" :min="0" :max="2" :step="0.1" @change="$emit('change')" />
+      <el-slider :model-value="modelValue.temperature ?? 0.7" :min="0" :max="2" :step="0.1" @change="update('temperature', $event)" />
     </el-form-item>
     
     <el-form-item label="最大Token数">
-      <el-input-number v-model="config.max_tokens" :min="1" :max="4000" :step="100" @change="$emit('change')" />
+      <el-input-number :model-value="modelValue.max_tokens ?? 2000" :min="1" :max="4000" :step="100" @change="update('max_tokens', $event)" />
     </el-form-item>
     
     <el-divider content-position="left">记忆配置</el-divider>
     
     <el-form-item label="上下文长度">
-      <el-input-number v-model="config.context_length" :min="1" :max="20" :step="1" @change="$emit('change')" />
+      <el-input-number :model-value="modelValue.context_length ?? 5" :min="1" :max="20" :step="1" @change="update('context_length', $event)" />
     </el-form-item>
     
     <el-form-item label="记忆模式">
-      <el-select v-model="config.memory_mode" @change="$emit('change')">
+      <el-select :model-value="modelValue.memory_mode || 'short_term'" @change="update('memory_mode', $event)">
         <el-option label="无记忆" value="none" />
         <el-option label="短期记忆" value="short_term" />
         <el-option label="长期记忆" value="long_term" />
@@ -49,44 +49,39 @@
     <el-divider content-position="left">高级选项</el-divider>
     
     <el-form-item label="流式输出">
-      <el-switch v-model="config.stream" @change="$emit('change')" />
+      <el-switch :model-value="modelValue.stream ?? true" @change="update('stream', $event)" />
     </el-form-item>
     
     <el-form-item label="函数调用">
-      <el-switch v-model="config.tool_call" @change="$emit('change')" />
+      <el-switch :model-value="modelValue.tool_call ?? false" @change="update('tool_call', $event)" />
     </el-form-item>
   </div>
 </template>
 
 <script setup lang="ts">
-const config = defineModel<any>({ 
-  default: () => ({ 
-    system_prompt: '', 
-    model: 'gpt-4o-mini', 
-    temperature: 0.7, 
-    agent_id: '',
-    max_tokens: 2000,
-    context_length: 5,
-    memory_mode: 'short_term',
-    stream: true,
-    tool_call: false
-  }) 
-})
-
 const props = defineProps<{
+  modelValue: any
   agentList: any[]
 }>()
 
-defineEmits(['change'])
+const emit = defineEmits(['change', 'update:modelValue'])
+
+function update(key: string, val: any) {
+  emit('change')
+  emit('update:modelValue', { ...props.modelValue, [key]: val })
+}
 
 function onAgentSelect(val: string) {
   if (!val) return
   const agent = props.agentList.find(a => a.id === val)
   if (agent) {
-    config.value.system_prompt = agent.system_prompt || config.value.system_prompt
-    config.value.model = agent.model || config.value.model
-    config.value.temperature = agent.temperature ?? config.value.temperature
-    config.value.max_tokens = agent.max_tokens || config.value.max_tokens
+    const updated = { ...props.modelValue }
+    updated.system_prompt = agent.system_prompt || updated.system_prompt
+    updated.model = agent.model || updated.model
+    updated.temperature = agent.temperature ?? updated.temperature
+    updated.max_tokens = agent.max_tokens || updated.max_tokens
+    emit('update:modelValue', updated)
   }
+  emit('change')
 }
 </script>
diff --git a/frontend/src/views/flow/node-configs/McpConfig.vue b/frontend/src/views/flow/node-configs/McpConfig.vue
index e1f3668..2dcc6f4 100644
--- a/frontend/src/views/flow/node-configs/McpConfig.vue
+++ b/frontend/src/views/flow/node-configs/McpConfig.vue
@@ -3,30 +3,30 @@
     <el-divider content-position="left">MCP服务配置</el-divider>
     
     <el-form-item label="MCP服务器">
-      <el-select v-model="config.mcp_server" @change="$emit('change')" placeholder="选择MCP服务">
+      <el-select :model-value="modelValue.mcp_server" @change="update('mcp_server', $event)" placeholder="选择MCP服务">
         <el-option label="未选择" value="" />
         <el-option v-for="s in mcpServers" :key="s.id" :label="s.name" :value="s.name" />
       </el-select>
     </el-form-item>
     
     <el-form-item label="工具名">
-      <el-input v-model="config.tool_name" placeholder="如: search" @change="$emit('change')" />
+      <el-input :model-value="modelValue.tool_name" @input="(e: any) => update('tool_name', e)" placeholder="如: search" />
     </el-form-item>
     
     <el-divider content-position="left">请求参数</el-divider>
     
     <el-form-item label="输入参数">
-      <el-input v-model="config.input_params" type="textarea" :rows="3" @change="$emit('change')" placeholder='{"param1": "value1"}' />
+      <el-input :model-value="modelValue.input_params || '{}'" type="textarea" :rows="3" @input="(e: any) => update('input_params', e)" placeholder='{"param1": "value1"}' />
     </el-form-item>
     
     <el-form-item label="超时时间(秒)">
-      <el-input-number v-model="config.timeout" :min="1" :max="300" :step="10" @change="$emit('change')" />
+      <el-input-number :model-value="modelValue.timeout ?? 30" :min="1" :max="300" :step="10" @change="update('timeout', $event)" />
     </el-form-item>
     
     <el-divider content-position="left">响应处理</el-divider>
     
     <el-form-item label="响应解析">
-      <el-select v-model="config.response_parser" @change="$emit('change')">
+      <el-select :model-value="modelValue.response_parser || 'json'" @change="update('response_parser', $event)">
         <el-option label="JSON解析" value="json" />
         <el-option label="文本提取" value="text" />
         <el-option label="自定义解析" value="custom" />
@@ -34,7 +34,7 @@
     </el-form-item>
     
     <el-form-item label="错误处理">
-      <el-select v-model="config.error_handling" @change="$emit('change')">
+      <el-select :model-value="modelValue.error_handling || 'throw'" @change="update('error_handling', $event)">
         <el-option label="抛出错误" value="throw" />
         <el-option label="返回默认值" value="default" />
         <el-option label="跳过继续" value="skip" />
@@ -44,20 +44,15 @@
 </template>
 
 <script setup lang="ts">
-const config = defineModel<any>({ 
-  default: () => ({ 
-    mcp_server: '',
-    tool_name: '',
-    input_params: '{}',
-    timeout: 30,
-    response_parser: 'json',
-    error_handling: 'throw'
-  }) 
-})
-
-defineProps<{
+const props = defineProps<{
+  modelValue: any
   mcpServers: any[]
 }>()
 
-defineEmits(['change'])
+const emit = defineEmits(['change', 'update:modelValue'])
+
+function update(key: string, val: any) {
+  emit('change')
+  emit('update:modelValue', { ...props.modelValue, [key]: val })
+}
 </script>
diff --git a/frontend/src/views/flow/node-configs/OutputConfig.vue b/frontend/src/views/flow/node-configs/OutputConfig.vue
index 2f505e1..c03c36d 100644
--- a/frontend/src/views/flow/node-configs/OutputConfig.vue
+++ b/frontend/src/views/flow/node-configs/OutputConfig.vue
@@ -3,7 +3,7 @@
     <el-divider content-position="left">输出配置</el-divider>
     
     <el-form-item label="输出格式">
-      <el-select v-model="config.format" @change="$emit('change')">
+      <el-select :model-value="modelValue.format || 'text'" @change="update('format', $event)">
         <el-option label="纯文本" value="text" />
         <el-option label="JSON" value="json" />
         <el-option label="XML" value="xml" />
@@ -12,17 +12,17 @@
     </el-form-item>
     
     <el-form-item label="输出模板">
-      <el-input v-model="config.output_template" type="textarea" :rows="3" @change="$emit('change')" placeholder="可选，自定义输出格式" />
+      <el-input :model-value="modelValue.output_template" type="textarea" :rows="3" @input="(e: any) => update('output_template', e)" placeholder="可选，自定义输出格式" />
     </el-form-item>
     
     <el-divider content-position="left">格式化选项</el-divider>
     
     <el-form-item label="JSON缩进">
-      <el-input-number v-model="config.indent" :min="0" :max="4" :step="1" @change="$emit('change')" />
+      <el-input-number :model-value="modelValue.indent ?? 2" :min="0" :max="4" :step="1" @change="update('indent', $event)" />
     </el-form-item>
     
     <el-form-item label="字符编码">
-      <el-select v-model="config.encoding" @change="$emit('change')">
+      <el-select :model-value="modelValue.encoding || 'utf-8'" @change="update('encoding', $event)">
         <el-option label="UTF-8" value="utf-8" />
         <el-option label="GBK" value="gbk" />
       </el-select>
@@ -31,26 +31,24 @@
     <el-divider content-position="left">输出行为</el-divider>
     
     <el-form-item label="截断长输出">
-      <el-switch v-model="config.truncate" @change="$emit('change')" />
+      <el-switch :model-value="modelValue.truncate ?? false" @change="update('truncate', $event)" />
     </el-form-item>
     
     <el-form-item label="最大输出长度">
-      <el-input-number v-model="config.max_length" :min="100" :max="10000" :step="100" @change="$emit('change')" />
+      <el-input-number :model-value="modelValue.max_length ?? 2000" :min="100" :max="10000" :step="100" @change="update('max_length', $event)" />
     </el-form-item>
   </div>
 </template>
 
 <script setup lang="ts">
-const config = defineModel<any>({ 
-  default: () => ({ 
-    format: 'text',
-    output_template: '',
-    indent: 2,
-    encoding: 'utf-8',
-    truncate: false,
-    max_length: 2000
-  }) 
-})
+const props = defineProps<{
+  modelValue: any
+}>()
 
-defineEmits(['change'])
+const emit = defineEmits(['change', 'update:modelValue'])
+
+function update(key: string, val: any) {
+  emit('change')
+  emit('update:modelValue', { ...props.modelValue, [key]: val })
+}
 </script>
diff --git a/frontend/src/views/flow/node-configs/RagConfig.vue b/frontend/src/views/flow/node-configs/RagConfig.vue
index d4ba4a9..b488acc 100644
--- a/frontend/src/views/flow/node-configs/RagConfig.vue
+++ b/frontend/src/views/flow/node-configs/RagConfig.vue
@@ -3,17 +3,17 @@
     <el-divider content-position="left">知识库配置</el-divider>
     
     <el-form-item label="知识库">
-      <el-input v-model="config.knowledge_base" placeholder="知识库ID" @change="$emit('change')" />
+      <el-input :model-value="modelValue.knowledge_base" @input="(e: any) => update('knowledge_base', e)" placeholder="知识库ID" />
     </el-form-item>
     
     <el-form-item label="TopK">
-      <el-input-number v-model="config.top_k" :min="1" :max="20" :step="1" @change="$emit('change')" />
+      <el-input-number :model-value="modelValue.top_k ?? 5" :min="1" :max="20" :step="1" @change="update('top_k', $event)" />
     </el-form-item>
     
     <el-divider content-position="left">检索配置</el-divider>
     
     <el-form-item label="检索模式">
-      <el-select v-model="config.search_mode" @change="$emit('change')">
+      <el-select :model-value="modelValue.search_mode || 'hybrid'" @change="update('search_mode', $event)">
         <el-option label="向量检索" value="vector" />
         <el-option label="关键词检索" value="keyword" />
         <el-option label="混合检索" value="hybrid" />
@@ -21,13 +21,13 @@
     </el-form-item>
     
     <el-form-item label="相似度阈值">
-      <el-slider v-model="config.similarity_threshold" :min="0" :max="1" :step="0.05" @change="$emit('change')" />
+      <el-slider :model-value="modelValue.similarity_threshold ?? 0.7" :min="0" :max="1" :step="0.05" @change="update('similarity_threshold', $event)" />
     </el-form-item>
     
     <el-divider content-position="left">结果处理</el-divider>
     
     <el-form-item label="结果排序">
-      <el-select v-model="config.result_sort" @change="$emit('change')">
+      <el-select :model-value="modelValue.result_sort || 'similarity'" @change="update('result_sort', $event)">
         <el-option label="按相似度" value="similarity" />
         <el-option label="按相关性" value="relevance" />
         <el-option label="按时间" value="time" />
@@ -35,22 +35,20 @@
     </el-form-item>
     
     <el-form-item label="包含元数据">
-      <el-switch v-model="config.include_metadata" @change="$emit('change')" />
+      <el-switch :model-value="modelValue.include_metadata ?? true" @change="update('include_metadata', $event)" />
     </el-form-item>
   </div>
 </template>
 
 <script setup lang="ts">
-const config = defineModel<any>({ 
-  default: () => ({ 
-    knowledge_base: '',
-    top_k: 5,
-    search_mode: 'hybrid',
-    similarity_threshold: 0.7,
-    result_sort: 'similarity',
-    include_metadata: true
-  }) 
-})
+const props = defineProps<{
+  modelValue: any
+}>()
 
-defineEmits(['change'])
+const emit = defineEmits(['change', 'update:modelValue'])
+
+function update(key: string, val: any) {
+  emit('change')
+  emit('update:modelValue', { ...props.modelValue, [key]: val })
+}
 </script>
diff --git a/frontend/src/views/flow/node-configs/ToolConfig.vue b/frontend/src/views/flow/node-configs/ToolConfig.vue
index 4ffc76b..9183b8c 100644
--- a/frontend/src/views/flow/node-configs/ToolConfig.vue
+++ b/frontend/src/views/flow/node-configs/ToolConfig.vue
@@ -3,7 +3,7 @@
     <el-divider content-position="left">工具选择</el-divider>
     
     <el-form-item label="工具类型">
-      <el-select v-model="config.tool_type" @change="$emit('change')" placeholder="选择工具类型">
+      <el-select :model-value="modelValue.tool_type" @change="update('tool_type', $event)" placeholder="选择工具类型">
         <el-option label="企微消息" value="wecom_message" />
         <el-option label="任务管理" value="task_management" />
         <el-option label="文档处理" value="document_processing" />
@@ -15,35 +15,31 @@
     </el-form-item>
     
     <el-form-item label="工具名称">
-      <el-select v-model="config.tool_name" @change="$emit('change')" placeholder="选择具体工具">
-        <template v-if="config.tool_type === 'wecom_message'">
+      <el-select :model-value="modelValue.tool_name" @change="update('tool_name', $event)" placeholder="选择具体工具">
+        <template v-if="modelValue.tool_type === 'wecom_message'">
           <el-option label="发送企微通知" value="send_notification" />
           <el-option label="查询企微用户" value="query_wecom_user" />
           <el-option label="推送任务至企微" value="push_task_to_wecom" />
           <el-option label="查询下属" value="list_subordinates" />
         </template>
-        <template v-else-if="config.tool_type === 'task_management'">
+        <template v-else-if="modelValue.tool_type === 'task_management'">
           <el-option label="查询任务列表" value="list_tasks" />
           <el-option label="创建任务" value="create_task" />
           <el-option label="查询任务详情" value="get_task" />
           <el-option label="更新任务" value="update_task" />
         </template>
-        <template v-else-if="config.tool_type === 'document_processing'">
+        <template v-else-if="modelValue.tool_type === 'document_processing'">
           <el-option label="解析文档" value="parse_document" />
         </template>
-        <template v-else-if="config.tool_type === 'format_processing'">
+        <template v-else-if="modelValue.tool_type === 'format_processing'">
           <el-option label="修正格式" value="format_correction" />
         </template>
-        <template v-else-if="config.tool_type === 'data_query'">
-          <el-option label="查询用户数据" value="query_user_data" />
-          <el-option label="查询部门信息" value="query_department_info" />
-        </template>
-        <template v-else-if="config.tool_type === 'report_generation'">
+        <template v-else-if="modelValue.tool_type === 'report_generation'">
           <el-option label="生成效率报告" value="generate_efficiency_report" />
           <el-option label="任务统计" value="get_task_statistics" />
           <el-option label="员工看板" value="get_employee_dashboard" />
         </template>
-        <template v-else-if="config.tool_type === 'http_request'">
+        <template v-else-if="modelValue.tool_type === 'http_request'">
           <el-option label="自定义HTTP请求" value="custom_http_request" />
         </template>
       </el-select>
@@ -52,19 +48,19 @@
     <el-divider content-position="left">参数配置</el-divider>
     
     <el-form-item label="参数映射">
-      <el-input v-model="config.param_mapping" type="textarea" :rows="3" @change="$emit('change')" placeholder='{"input_key": "output_key"}' />
+      <el-input :model-value="modelValue.param_mapping || '{}'" type="textarea" :rows="3" @input="(e: any) => update('param_mapping', e)" placeholder='{"input_key": "output_key"}' />
     </el-form-item>
     
     <el-form-item label="超时时间(秒)">
-      <el-input-number v-model="config.timeout" :min="1" :max="300" :step="10" @change="$emit('change')" />
+      <el-input-number :model-value="modelValue.timeout ?? 30" :min="1" :max="300" :step="10" @change="update('timeout', $event)" />
     </el-form-item>
     
     <el-form-item label="重试次数">
-      <el-input-number v-model="config.retry_count" :min="0" :max="5" :step="1" @change="$emit('change')" />
+      <el-input-number :model-value="modelValue.retry_count ?? 0" :min="0" :max="5" :step="1" @change="update('retry_count', $event)" />
     </el-form-item>
     
     <el-form-item label="错误处理">
-      <el-select v-model="config.error_handling" @change="$emit('change')">
+      <el-select :model-value="modelValue.error_handling || 'throw'" @change="update('error_handling', $event)">
         <el-option label="抛出错误" value="throw" />
         <el-option label="返回默认值" value="default" />
         <el-option label="跳过继续" value="skip" />
@@ -74,16 +70,14 @@
 </template>
 
 <script setup lang="ts">
-const config = defineModel<any>({ 
-  default: () => ({ 
-    tool_type: '',
-    tool_name: '',
-    param_mapping: '{}',
-    timeout: 30,
-    retry_count: 0,
-    error_handling: 'throw'
-  }) 
-})
+const props = defineProps<{
+  modelValue: any
+}>()
+
+const emit = defineEmits(['change', 'update:modelValue'])
 
-defineEmits(['change'])
+function update(key: string, val: any) {
+  emit('change')
+  emit('update:modelValue', { ...props.modelValue, [key]: val })
+}
 </script>
diff --git a/frontend/src/views/flow/node-configs/TriggerConfig.vue b/frontend/src/views/flow/node-configs/TriggerConfig.vue
index 8bbed60..f8bb759 100644
--- a/frontend/src/views/flow/node-configs/TriggerConfig.vue
+++ b/frontend/src/views/flow/node-configs/TriggerConfig.vue
@@ -1,7 +1,9 @@
 <template>
   <div class="node-config">
+    <el-divider content-position="left">触发配置</el-divider>
+    
     <el-form-item label="事件类型">
-      <el-select v-model="config.event_type" @change="$emit('change')" placeholder="企微触发事件">
+      <el-select :model-value="modelValue.event_type" @change="update('event_type', $event)" placeholder="企微触发事件">
         <el-option label="文本消息" value="text_message" />
         <el-option label="按钮点击" value="button_click" />
         <el-option label="进入聊天" value="enter_chat" />
@@ -10,13 +12,22 @@
         <el-option label="文件消息" value="file_message" />
       </el-select>
     </el-form-item>
+    
     <el-form-item label="回调地址">
-      <el-input v-model="config.callback_url" @change="$emit('change')" placeholder="可选，默认使用系统回调" />
+      <el-input :model-value="modelValue.callback_url" @change="update('callback_url', $event)" placeholder="可选，默认使用系统回调" />
     </el-form-item>
   </div>
 </template>
 
 <script setup lang="ts">
-const config = defineModel<any>({ default: () => ({}) })
-defineEmits(['change'])
+const props = defineProps<{
+  modelValue: any
+}>()
+
+const emit = defineEmits(['change', 'update:modelValue'])
+
+function update(key: string, val: any) {
+  emit('change')
+  emit('update:modelValue', { ...props.modelValue, [key]: val })
+}
 </script>
diff --git a/frontend/src/views/flow/node-configs/WecomNotifyConfig.vue b/frontend/src/views/flow/node-configs/WecomNotifyConfig.vue
index 1eb0488..f711772 100644
--- a/frontend/src/views/flow/node-configs/WecomNotifyConfig.vue
+++ b/frontend/src/views/flow/node-configs/WecomNotifyConfig.vue
@@ -3,15 +3,15 @@
     <el-divider content-position="left">消息配置</el-divider>
     
     <el-form-item label="消息模板">
-      <el-input v-model="config.message_template" type="textarea" :rows="3" @change="$emit('change')" placeholder="支持变量: {user_name}, {task_name}, {status}" />
+      <el-input :model-value="modelValue.message_template" type="textarea" :rows="3" @input="(e: any) => update('message_template', e)" placeholder="支持变量: {user_name}, {task_name}, {status}" />
     </el-form-item>
     
     <el-form-item label="目标用户">
-      <el-input v-model="config.target" placeholder="@all 或用户ID" @change="$emit('change')" />
+      <el-input :model-value="modelValue.target" @input="(e: any) => update('target', e)" placeholder="@all 或用户ID" />
     </el-form-item>
     
     <el-form-item label="消息类型">
-      <el-select v-model="config.message_type" @change="$emit('change')">
+      <el-select :model-value="modelValue.message_type || 'text'" @change="update('message_type', $event)">
         <el-option label="文本消息" value="text" />
         <el-option label="Markdown消息" value="markdown" />
         <el-option label="卡片消息" value="card" />
@@ -21,11 +21,11 @@
     <el-divider content-position="left">发送选项</el-divider>
     
     <el-form-item label="异步发送">
-      <el-switch v-model="config.async_send" @change="$emit('change')" />
+      <el-switch :model-value="modelValue.async_send ?? false" @change="update('async_send', $event)" />
     </el-form-item>
     
     <el-form-item label="发送失败处理">
-      <el-select v-model="config.error_handling" @change="$emit('change')">
+      <el-select :model-value="modelValue.error_handling || 'throw'" @change="update('error_handling', $event)">
         <el-option label="抛出错误" value="throw" />
         <el-option label="记录日志" value="log" />
         <el-option label="重试" value="retry" />
@@ -35,15 +35,14 @@
 </template>
 
 <script setup lang="ts">
-const config = defineModel<any>({ 
-  default: () => ({ 
-    message_template: '',
-    target: '',
-    message_type: 'text',
-    async_send: false,
-    error_handling: 'throw'
-  }) 
-})
+const props = defineProps<{
+  modelValue: any
+}>()
 
-defineEmits(['change'])
+const emit = defineEmits(['change', 'update:modelValue'])
+
+function update(key: string, val: any) {
+  emit('change')
+  emit('update:modelValue', { ...props.modelValue, [key]: val })
+}
 </script>