diff --git a/web/app/dashboard/ai-workflows/_components/flowgram-editor-provider.tsx b/web/app/dashboard/ai-workflows/_components/flowgram-editor-provider.tsx
index 70f6493..dff3f43 100644
--- a/web/app/dashboard/ai-workflows/_components/flowgram-editor-provider.tsx
+++ b/web/app/dashboard/ai-workflows/_components/flowgram-editor-provider.tsx
@@ -9,7 +9,6 @@ import {
   type WorkflowJSON,
 } from "@flowgram.ai/free-layout-editor"
 import { createFreeLinesPlugin } from "@flowgram.ai/free-lines-plugin"
-import { createFreeNodePanelPlugin } from "@flowgram.ai/free-node-panel-plugin"
 import { createFreeSnapPlugin } from "@flowgram.ai/free-snap-plugin"
 import { createMinimapPlugin } from "@flowgram.ai/minimap-plugin"
 
@@ -18,7 +17,6 @@ import type { AIWorkflowDefinition, AIWorkflowNodeSpec } from "@/lib/api/admin"
 import { FlowgramNodeRenderer } from "./flowgram-node-renderer"
 import { buildFlowgramNodeRegistries } from "./flowgram-node-registries"
 import { WorkflowLineAddButton } from "./workflow-line-add-button"
-import { WorkflowLineNodePanel } from "./workflow-line-node-panel"
 import {
   normalizeConditionPortsForFlowgram,
   syncConditionBranchTargetsFromEdges,
@@ -91,14 +89,6 @@ export function useFlowgramEditorProps({
           createFreeLinesPlugin({
             renderInsideLine: WorkflowLineAddButton,
           }),
-          createFreeNodePanelPlugin({
-            renderer: (props) => (
-              <WorkflowLineNodePanel
-                {...props}
-                nodeSpecs={nodeSpecs}
-              />
-            ),
-          }),
           createMinimapPlugin({
             disableLayer: true,
           }),
diff --git a/web/app/dashboard/ai-workflows/_components/flowgram-node-renderer.tsx b/web/app/dashboard/ai-workflows/_components/flowgram-node-renderer.tsx
index cb40de4..df1d4b2 100644
--- a/web/app/dashboard/ai-workflows/_components/flowgram-node-renderer.tsx
+++ b/web/app/dashboard/ai-workflows/_components/flowgram-node-renderer.tsx
@@ -40,7 +40,7 @@ export function FlowgramNodeRenderer(props: WorkflowNodeProps) {
           return
         }
         event.stopPropagation()
-        requestPortAdd?.({ port, event })
+        requestPortAdd?.({ sourcePort: port, event })
       }}
     >
       {form?.render()}
diff --git a/web/app/dashboard/ai-workflows/_components/workflow-editor.tsx b/web/app/dashboard/ai-workflows/_components/workflow-editor.tsx
index 6f7c5f9..3ba8acd 100644
--- a/web/app/dashboard/ai-workflows/_components/workflow-editor.tsx
+++ b/web/app/dashboard/ai-workflows/_components/workflow-editor.tsx
@@ -6,6 +6,7 @@ import {
   EditorRenderer,
   FreeLayoutEditorProvider,
   WorkflowDocument,
+  type WorkflowLineEntity,
   WorkflowLinesManager,
   WorkflowSelectService,
   type WorkflowJSON,
@@ -203,7 +204,13 @@ function WorkflowEditorInner({
   const selectService = useService(WorkflowSelectService)
   const editorRootRef = useRef<HTMLDivElement>(null)
   const [autoLayouting, setAutoLayouting] = useState(false)
-  const [nodeMenu, setNodeMenu] = useState<(WorkflowPortNodeMenuState & { port: WorkflowPortEntity }) | null>(null)
+  const [nodeMenu, setNodeMenu] = useState<(
+    WorkflowPortNodeMenuState & {
+      sourcePort: WorkflowPortEntity
+      targetPort?: WorkflowPortEntity
+      line?: WorkflowLineEntity
+    }
+  ) | null>(null)
   const zoomPercent = `${Math.round(playgroundTools.zoom * 100)}%`
 
   useEffect(() => {
@@ -223,7 +230,9 @@ function WorkflowEditorInner({
   const openNodeMenuFromPort = useCallback((request: WorkflowPortAddRequest) => {
     const rootRect = editorRootRef.current?.getBoundingClientRect()
     setNodeMenu({
-      port: request.port,
+      sourcePort: request.sourcePort,
+      targetPort: request.targetPort,
+      line: request.line,
       x: rootRect ? request.event.clientX - rootRect.left + 10 : request.event.clientX,
       y: rootRect ? request.event.clientY - rootRect.top - 10 : request.event.clientY,
     })
@@ -233,11 +242,11 @@ function WorkflowEditorInner({
     if (!nodeMenu) {
       return
     }
-    const sourcePort = nodeMenu.port
+    const sourcePort = nodeMenu.sourcePort
     const nextNode = createWorkflowNodeFromSpec(
       spec,
       context.document.toJSON().nodes ?? definition.nodes,
-      nextNodePositionFromPort(sourcePort)
+      nextNodePositionFromAddMenu(nodeMenu)
     )
     const created = workflowDocument.createWorkflowNodeByType(
       spec.type,
@@ -250,6 +259,17 @@ function WorkflowEditorInner({
       to: created.id,
       toPort: "",
     })
+    if (nodeMenu.targetPort) {
+      linesManager.createLine({
+        from: created.id,
+        fromPort: "",
+        to: nodeMenu.targetPort.node.id,
+        toPort: nodeMenu.targetPort.portID,
+      })
+      if (nodeMenu.line && !nodeMenu.line.disposed) {
+        nodeMenu.line.dispose()
+      }
+    }
     setNodeMenu(null)
     await selectService.selectNodeAndScrollToView(created)
     onSelectNode(created.id)
@@ -365,9 +385,21 @@ function WorkflowEditorInner({
   )
 }
 
-function nextNodePositionFromPort(port: WorkflowPortEntity) {
+function nextNodePositionFromAddMenu(
+  menu: WorkflowPortNodeMenuState & {
+    sourcePort: WorkflowPortEntity
+    targetPort?: WorkflowPortEntity
+    line?: WorkflowLineEntity
+  }
+) {
+  if (menu.line && !menu.line.disposed) {
+    return {
+      x: menu.line.center.labelX,
+      y: menu.line.center.labelY - 40,
+    }
+  }
   return {
-    x: port.point.x + 120,
-    y: port.point.y - 40,
+    x: menu.sourcePort.point.x + 120,
+    y: menu.sourcePort.point.y - 40,
   }
 }
diff --git a/web/app/dashboard/ai-workflows/_components/workflow-line-add-button.tsx b/web/app/dashboard/ai-workflows/_components/workflow-line-add-button.tsx
index ac67f7c..3c48686 100644
--- a/web/app/dashboard/ai-workflows/_components/workflow-line-add-button.tsx
+++ b/web/app/dashboard/ai-workflows/_components/workflow-line-add-button.tsx
@@ -1,11 +1,10 @@
 "use client"
 
-import { useCallback } from "react"
-
 import type { LineRenderProps } from "@flowgram.ai/free-lines-plugin"
-import { WorkflowNodePanelService } from "@flowgram.ai/free-node-panel-plugin"
 import { PlusIcon } from "lucide-react"
-import { usePlayground, useService } from "@flowgram.ai/free-layout-editor"
+import { usePlayground } from "@flowgram.ai/free-layout-editor"
+
+import { useWorkflowPortAdd } from "./workflow-port-add-context"
 
 export function WorkflowLineAddButton({
   line,
@@ -14,34 +13,10 @@ export function WorkflowLineAddButton({
   color,
 }: LineRenderProps) {
   const playground = usePlayground()
-  const nodePanelService = useService<WorkflowNodePanelService>(WorkflowNodePanelService)
+  const requestPortAdd = useWorkflowPortAdd()
   const { fromPort, toPort } = line
   const visible = !line.disposed && !playground.config.readonly && (selected || hovered)
 
-  const openNodePanel = useCallback(() => {
-    if (!fromPort || !toPort) {
-      return
-    }
-    void nodePanelService.call({
-      panelPosition: {
-        x: line.center.labelX,
-        y: line.center.labelY,
-      },
-      fromPort,
-      toPort,
-      panelProps: {
-        fromPort,
-      },
-      enableBuildLine: true,
-      enableAutoOffset: true,
-      afterAddNode: (node) => {
-        if (node && !line.disposed) {
-          line.dispose()
-        }
-      },
-    })
-  }, [fromPort, line, nodePanelService, toPort])
-
   if (!visible) {
     return null
   }
@@ -59,7 +34,15 @@ export function WorkflowLineAddButton({
       data-line-id={line.id}
       onClick={(event) => {
         event.stopPropagation()
-        openNodePanel()
+        if (!fromPort || !toPort) {
+          return
+        }
+        requestPortAdd?.({
+          sourcePort: fromPort,
+          targetPort: toPort,
+          line,
+          event,
+        })
       }}
     >
       <PlusIcon className="size-3.5" strokeWidth={2.4} />
diff --git a/web/app/dashboard/ai-workflows/_components/workflow-line-node-panel.tsx b/web/app/dashboard/ai-workflows/_components/workflow-line-node-panel.tsx
deleted file mode 100644
index b0b3dbc..0000000
--- a/web/app/dashboard/ai-workflows/_components/workflow-line-node-panel.tsx
+++ /dev/null
@@ -1,94 +0,0 @@
-"use client"
-
-import { useEffect, useMemo, useRef } from "react"
-
-import type { NodePanelRenderProps } from "@flowgram.ai/free-node-panel-plugin"
-import { useClientContext } from "@flowgram.ai/free-layout-editor"
-
-import type { AIWorkflowDefinition, AIWorkflowNodeSpec } from "@/lib/api/admin"
-import { WorkflowNodeIcon } from "./workflow-node-icon"
-import { createWorkflowNodeFromSpec } from "./workflow-utils"
-
-export function WorkflowLineNodePanel({
-  position,
-  onSelect,
-  onClose,
-  nodeSpecs,
-}: NodePanelRenderProps & {
-  nodeSpecs: AIWorkflowNodeSpec[]
-}) {
-  const context = useClientContext()
-  const panelRef = useRef<HTMLDivElement>(null)
-  const insertableNodeSpecs = useMemo(
-    () => nodeSpecs.filter((spec) => spec.type !== "start" && spec.type !== "end"),
-    [nodeSpecs]
-  )
-
-  useEffect(() => {
-    const closeOnPointerDown = (event: PointerEvent) => {
-      const target = event.target
-      if (target instanceof Node && panelRef.current?.contains(target)) {
-        return
-      }
-      onClose()
-    }
-    const closeOnEscape = (event: KeyboardEvent) => {
-      if (event.key === "Escape") {
-        onClose()
-      }
-    }
-    window.addEventListener("pointerdown", closeOnPointerDown)
-    window.addEventListener("keydown", closeOnEscape)
-    return () => {
-      window.removeEventListener("pointerdown", closeOnPointerDown)
-      window.removeEventListener("keydown", closeOnEscape)
-    }
-  }, [onClose])
-
-  return (
-    <div
-      ref={panelRef}
-      className="absolute z-[9999] w-60 overflow-hidden rounded-lg border border-slate-200 bg-white py-1.5 shadow-[0_14px_35px_rgba(15,23,42,0.16)]"
-      style={{
-        left: position.x + 16,
-        top: position.y - 8,
-      }}
-      onPointerDown={(event) => event.stopPropagation()}
-    >
-      <div className="border-b border-slate-100 px-3 pb-2 pt-1 text-xs font-medium text-slate-500">
-        插入节点
-      </div>
-      <div className="max-h-80 overflow-y-auto p-1.5">
-        {insertableNodeSpecs.map((spec) => (
-          <button
-            key={spec.type}
-            type="button"
-            className="flex w-full items-start gap-2 rounded-md px-2 py-2 text-left text-sm transition-colors hover:bg-slate-50"
-            onClick={(event) => {
-              event.stopPropagation()
-              const definition = context.document.toJSON() as AIWorkflowDefinition
-              const nodeJSON = createWorkflowNodeFromSpec(spec, definition.nodes ?? [], position)
-              onSelect({
-                nodeType: spec.type,
-                nodeJSON,
-                selectEvent: event,
-              })
-            }}
-          >
-            <WorkflowNodeIcon icon={spec.icon} size="sm" className="mt-0.5" />
-            <span className="min-w-0">
-              <span className="block truncate font-medium text-slate-900">
-                {spec.title || spec.type}
-              </span>
-              {spec.description ? (
-                <span className="line-clamp-2 text-xs text-slate-500">
-                  {spec.description}
-                </span>
-              ) : null}
-            </span>
-          </button>
-        ))}
-      </div>
-    </div>
-  )
-}
diff --git a/web/app/dashboard/ai-workflows/_components/workflow-port-add-context.tsx b/web/app/dashboard/ai-workflows/_components/workflow-port-add-context.tsx
index 96e9ec6..6024d8c 100644
--- a/web/app/dashboard/ai-workflows/_components/workflow-port-add-context.tsx
+++ b/web/app/dashboard/ai-workflows/_components/workflow-port-add-context.tsx
@@ -2,11 +2,13 @@
 
 import { createContext, useContext } from "react"
 
-import type { WorkflowPortEntity } from "@flowgram.ai/free-layout-editor"
+import type { WorkflowLineEntity, WorkflowPortEntity } from "@flowgram.ai/free-layout-editor"
 
 export type WorkflowPortAddRequest = {
-  port: WorkflowPortEntity
-  event: React.MouseEvent<HTMLDivElement>
+  sourcePort: WorkflowPortEntity
+  targetPort?: WorkflowPortEntity
+  line?: WorkflowLineEntity
+  event: React.MouseEvent
 }
 
 const WorkflowPortAddContext = createContext<((request: WorkflowPortAddRequest) => void) | null>(null)
diff --git a/web/package.json b/web/package.json
index 29e068a..20d32bc 100644
--- a/web/package.json
+++ b/web/package.json
@@ -18,7 +18,6 @@
     "@dnd-kit/utilities": "^3.2.2",
     "@flowgram.ai/free-layout-editor": "1.0.11",
     "@flowgram.ai/free-lines-plugin": "1.0.11",
-    "@flowgram.ai/free-node-panel-plugin": "1.0.11",
     "@flowgram.ai/free-snap-plugin": "1.0.11",
     "@flowgram.ai/minimap-plugin": "1.0.11",
     "@hookform/resolvers": "^5.2.2",
diff --git a/web/pnpm-lock.yaml b/web/pnpm-lock.yaml
index 4b9c416..ea4cb3c 100644
--- a/web/pnpm-lock.yaml
+++ b/web/pnpm-lock.yaml
@@ -29,9 +29,6 @@ importers:
       '@flowgram.ai/free-lines-plugin':
         specifier: 1.0.11
         version: 1.0.11(react-dom@19.2.3(react@19.2.3))(react@19.2.3)(styled-components@6.4.3(react-dom@19.2.3(react@19.2.3))(react@19.2.3))
-      '@flowgram.ai/free-node-panel-plugin':
-        specifier: 1.0.11
-        version: 1.0.11(react-dom@19.2.3(react@19.2.3))(react@19.2.3)
       '@flowgram.ai/free-snap-plugin':
         specifier: 1.0.11
         version: 1.0.11(react-dom@19.2.3(react@19.2.3))(react@19.2.3)(styled-components@6.4.3(react-dom@19.2.3(react@19.2.3))(react@19.2.3))
@@ -625,12 +622,6 @@ packages:
       react-dom: '>=16.8'
       styled-components: '>=5'
 
-  '@flowgram.ai/free-node-panel-plugin@1.0.11':
-    resolution: {integrity: sha512-1XqzHZhimJLK6G3zUhHUKBHgLlnWNRmWYmpCci0e9yKzOBduS6xZTfMSgc7bl5TeaG9u++nooTqirx6xP5kwXQ==}
-    peerDependencies:
-      react: '>=16.8'
-      react-dom: '>=16.8'
-
   '@flowgram.ai/free-snap-plugin@1.0.11':
     resolution: {integrity: sha512-6YPtxwIYkUgj2BBBQgJvIPeSgDZQJpHSDl9r6FyJyalAdQKHeKniCBAR8b3tgaQf/oKR1v/8zt01h+IzMFhodQ==}
     peerDependencies:
@@ -5272,18 +5263,6 @@ snapshots:
       reflect-metadata: 0.2.2
       styled-components: 6.4.3(react-dom@19.2.3(react@19.2.3))(react@19.2.3)
 
-  '@flowgram.ai/free-node-panel-plugin@1.0.11(react-dom@19.2.3(react@19.2.3))(react@19.2.3)':
-    dependencies:
-      '@flowgram.ai/core': 1.0.11(react-dom@19.2.3(react@19.2.3))(react@19.2.3)
-      '@flowgram.ai/document': 1.0.11(react-dom@19.2.3(react@19.2.3))(react@19.2.3)
-      '@flowgram.ai/free-history-plugin': 1.0.11(react-dom@19.2.3(react@19.2.3))(react@19.2.3)
-      '@flowgram.ai/free-layout-core': 1.0.11(react-dom@19.2.3(react@19.2.3))(react@19.2.3)
-      '@flowgram.ai/utils': 1.0.11(react-dom@19.2.3(react@19.2.3))(react@19.2.3)
-      inversify: 6.2.2(reflect-metadata@0.2.2)
-      react: 19.2.3
-      react-dom: 19.2.3(react@19.2.3)
-      reflect-metadata: 0.2.2
-
   '@flowgram.ai/free-snap-plugin@1.0.11(react-dom@19.2.3(react@19.2.3))(react@19.2.3)(styled-components@6.4.3(react-dom@19.2.3(react@19.2.3))(react@19.2.3))':
     dependencies:
       '@flowgram.ai/core': 1.0.11(react-dom@19.2.3(react@19.2.3))(react@19.2.3)