diff --git a/web/app/dashboard/ai-workflows/_components/workflow-canvas-controls.tsx b/web/app/dashboard/ai-workflows/_components/workflow-canvas-controls.tsx
new file mode 100644
index 0000000..fac5225
--- /dev/null
+++ b/web/app/dashboard/ai-workflows/_components/workflow-canvas-controls.tsx
@@ -0,0 +1,93 @@
+"use client"
+
+import type { ReactNode } from "react"
+import { Maximize2Icon, MinusIcon, PlusIcon, SparklesIcon } from "lucide-react"
+
+import { Button } from "@/components/ui/button"
+import { Tooltip, TooltipContent, TooltipTrigger } from "@/components/ui/tooltip"
+
+export function WorkflowCanvasControls({
+  zoomPercent,
+  onZoomIn,
+  onZoomOut,
+  onResetZoom,
+  onFitView,
+  onAutoLayout,
+  autoLayoutDisabled = false,
+}: {
+  zoomPercent?: string
+  onZoomIn?: () => void
+  onZoomOut?: () => void
+  onResetZoom?: () => void
+  onFitView?: () => void
+  onAutoLayout?: () => void
+  autoLayoutDisabled?: boolean
+}) {
+  return (
+    <div className="inline-flex h-9 items-center gap-1 rounded-md bg-background/95 p-1 shadow-sm backdrop-blur">
+      <CanvasControlButton label="缩小" onClick={onZoomOut}>
+        <MinusIcon className="size-3.5" />
+      </CanvasControlButton>
+      <Tooltip>
+        <TooltipTrigger
+          render={
+            <Button
+              type="button"
+              variant="ghost"
+              size="sm"
+              className="h-7 w-12 px-1 text-xs tabular-nums"
+              aria-label="重置为 100%"
+              disabled={!onResetZoom}
+              onClick={onResetZoom}
+            />
+          }
+        >
+          {zoomPercent ?? "100%"}
+        </TooltipTrigger>
+        <TooltipContent>重置为 100%</TooltipContent>
+      </Tooltip>
+      <CanvasControlButton label="放大" onClick={onZoomIn}>
+        <PlusIcon className="size-3.5" />
+      </CanvasControlButton>
+      <CanvasControlButton label="适配画布" onClick={onFitView}>
+        <Maximize2Icon className="size-3.5" />
+      </CanvasControlButton>
+      <CanvasControlButton label="自动布局" onClick={onAutoLayout} disabled={autoLayoutDisabled}>
+        <SparklesIcon className="size-3.5" />
+      </CanvasControlButton>
+    </div>
+  )
+}
+
+function CanvasControlButton({
+  label,
+  onClick,
+  disabled = false,
+  children,
+}: {
+  label: string
+  onClick?: () => void
+  disabled?: boolean
+  children: ReactNode
+}) {
+  return (
+    <Tooltip>
+      <TooltipTrigger
+        render={
+          <Button
+            type="button"
+            variant="ghost"
+            size="icon-xs"
+            className="size-7"
+            aria-label={label}
+            disabled={disabled || !onClick}
+            onClick={onClick}
+          />
+        }
+      >
+        {children}
+      </TooltipTrigger>
+      <TooltipContent>{label}</TooltipContent>
+    </Tooltip>
+  )
+}
diff --git a/web/app/dashboard/ai-workflows/_components/workflow-editor-toolbar.tsx b/web/app/dashboard/ai-workflows/_components/workflow-editor-toolbar.tsx
index d40ad3a..bfb05ad 100644
--- a/web/app/dashboard/ai-workflows/_components/workflow-editor-toolbar.tsx
+++ b/web/app/dashboard/ai-workflows/_components/workflow-editor-toolbar.tsx
@@ -3,18 +3,13 @@
 import type { ReactNode } from "react"
 import {
   CheckCircle2Icon,
-  Maximize2Icon,
-  MinusIcon,
-  PlusIcon,
   RotateCcwIcon,
   SaveIcon,
   SendIcon,
-  SparklesIcon,
   Undo2Icon,
 } from "lucide-react"
 
 import { Button } from "@/components/ui/button"
-import { Tooltip, TooltipContent, TooltipTrigger } from "@/components/ui/tooltip"
 import { cn } from "@/lib/utils"
 
 import type { WorkflowDraftValidation } from "./workflow-utils"
@@ -28,13 +23,6 @@ export function WorkflowEditorToolbar({
   undoDisabled = false,
   onRedo,
   redoDisabled = false,
-  onAutoLayout,
-  autoLayoutDisabled = false,
-  zoomPercent,
-  onZoomIn,
-  onZoomOut,
-  onResetZoom,
-  onFitView,
   onRestoreDefault,
   restoreDefaultDisabled = false,
   onValidate,
@@ -52,13 +40,6 @@ export function WorkflowEditorToolbar({
   undoDisabled?: boolean
   onRedo?: () => void
   redoDisabled?: boolean
-  onAutoLayout?: () => void
-  autoLayoutDisabled?: boolean
-  zoomPercent?: string
-  onZoomIn?: () => void
-  onZoomOut?: () => void
-  onResetZoom?: () => void
-  onFitView?: () => void
   onRestoreDefault?: () => void
   restoreDefaultDisabled?: boolean
   onValidate?: () => void
@@ -69,7 +50,7 @@ export function WorkflowEditorToolbar({
   publishDisabled?: boolean
 }) {
   return (
-    <div className="inline-flex min-h-10 w-fit max-w-full items-center gap-3 rounded-md border bg-background/95 px-2 py-1 shadow-sm backdrop-blur">
+    <div className="inline-flex min-h-10 w-fit max-w-full items-center gap-3 rounded-md bg-background/95 px-2 py-1 shadow-sm backdrop-blur">
       <div className="flex min-w-0 shrink items-center gap-2">
         <span
           className={cn(
@@ -86,35 +67,6 @@ export function WorkflowEditorToolbar({
       </div>
       <div className="flex min-w-0 items-center gap-1 overflow-x-auto">
         {toolbarExtra}
-        <div className="flex h-7 shrink-0 items-center rounded-md border bg-muted/30 p-0.5">
-          <WorkflowToolbarIconButton label="缩小" onClick={onZoomOut}>
-            <MinusIcon className="size-3.5" />
-          </WorkflowToolbarIconButton>
-          <Tooltip>
-            <TooltipTrigger
-              render={
-                <Button
-                  type="button"
-                  variant="ghost"
-                  size="sm"
-                  className="h-6 w-12 px-1 text-xs tabular-nums"
-                  aria-label="重置为 100%"
-                  disabled={!onResetZoom}
-                  onClick={onResetZoom}
-                />
-              }
-            >
-              {zoomPercent ?? "100%"}
-            </TooltipTrigger>
-            <TooltipContent>重置为 100%</TooltipContent>
-          </Tooltip>
-          <WorkflowToolbarIconButton label="放大" onClick={onZoomIn}>
-            <PlusIcon className="size-3.5" />
-          </WorkflowToolbarIconButton>
-          <WorkflowToolbarIconButton label="适配画布" onClick={onFitView}>
-            <Maximize2Icon className="size-3.5" />
-          </WorkflowToolbarIconButton>
-        </div>
         <Button type="button" variant="ghost" size="sm" className="h-7 shrink-0 px-2 text-xs" disabled={undoDisabled} onClick={onUndo}>
           <Undo2Icon className="size-3.5" />
           撤销
@@ -122,10 +74,6 @@ export function WorkflowEditorToolbar({
         <Button type="button" variant="ghost" size="sm" className="h-7 shrink-0 px-2 text-xs" disabled={redoDisabled} onClick={onRedo}>
           重做
         </Button>
-        <Button type="button" variant="ghost" size="sm" className="h-7 shrink-0 px-2 text-xs" disabled={autoLayoutDisabled} onClick={onAutoLayout}>
-          <SparklesIcon className="size-3.5" />
-          自动布局
-        </Button>
         <Button type="button" variant="ghost" size="sm" className="h-7 shrink-0 px-2 text-xs" disabled={restoreDefaultDisabled} onClick={onRestoreDefault}>
           <RotateCcwIcon className="size-3.5" />
           恢复默认
@@ -145,34 +93,3 @@ export function WorkflowEditorToolbar({
     </div>
   )
 }
-
-function WorkflowToolbarIconButton({
-  label,
-  onClick,
-  children,
-}: {
-  label: string
-  onClick?: () => void
-  children: ReactNode
-}) {
-  return (
-    <Tooltip>
-      <TooltipTrigger
-        render={
-          <Button
-            type="button"
-            variant="ghost"
-            size="icon-xs"
-            className="size-6"
-            aria-label={label}
-            disabled={!onClick}
-            onClick={onClick}
-          />
-        }
-      >
-        {children}
-      </TooltipTrigger>
-      <TooltipContent>{label}</TooltipContent>
-    </Tooltip>
-  )
-}
diff --git a/web/app/dashboard/ai-workflows/_components/workflow-editor.tsx b/web/app/dashboard/ai-workflows/_components/workflow-editor.tsx
index 3ba8acd..05ba25e 100644
--- a/web/app/dashboard/ai-workflows/_components/workflow-editor.tsx
+++ b/web/app/dashboard/ai-workflows/_components/workflow-editor.tsx
@@ -25,6 +25,7 @@ import {
   WorkflowBranchSelectionProvider,
   type SelectedWorkflowBranch,
 } from "./workflow-branch-selection"
+import { WorkflowCanvasControls } from "./workflow-canvas-controls"
 import { WorkflowConfigPanel } from "./workflow-config-sidebar"
 import { WorkflowEditorToolbar } from "./workflow-editor-toolbar"
 import {
@@ -341,13 +342,6 @@ function WorkflowEditorInner({
           undoDisabled={undoDisabled}
           onRedo={onRedo}
           redoDisabled={redoDisabled}
-          onAutoLayout={() => void autoLayout()}
-          autoLayoutDisabled={autoLayouting || definition.nodes.length < 2}
-          zoomPercent={zoomPercent}
-          onZoomIn={() => playgroundTools.zoomin(true)}
-          onZoomOut={() => playgroundTools.zoomout(true)}
-          onResetZoom={resetZoom}
-          onFitView={() => playgroundTools.fitView(true)}
           onRestoreDefault={onRestoreDefault}
           restoreDefaultDisabled={restoreDefaultDisabled}
           onValidate={onValidate}
@@ -359,6 +353,18 @@ function WorkflowEditorInner({
         />
       </div>
 
+      <div className="absolute bottom-3 left-3 z-50">
+        <WorkflowCanvasControls
+          zoomPercent={zoomPercent}
+          onZoomIn={() => playgroundTools.zoomin(true)}
+          onZoomOut={() => playgroundTools.zoomout(true)}
+          onResetZoom={resetZoom}
+          onFitView={() => playgroundTools.fitView(true)}
+          onAutoLayout={() => void autoLayout()}
+          autoLayoutDisabled={autoLayouting || definition.nodes.length < 2}
+        />
+      </div>
+
       <WorkflowPortAddProvider onRequestAdd={openNodeMenuFromPort}>
         <EditorRenderer className="h-full w-full" />
       </WorkflowPortAddProvider>