diff --git a/frontend/src/pages/Workflow/Definition/Designer/components/Toolbar/index.tsx b/frontend/src/pages/Workflow/Definition/Designer/components/Toolbar/index.tsx
index 2ebd2761..2cb7bc76 100644
--- a/frontend/src/pages/Workflow/Definition/Designer/components/Toolbar/index.tsx
+++ b/frontend/src/pages/Workflow/Definition/Designer/components/Toolbar/index.tsx
@@ -258,24 +258,24 @@ const Toolbar: React.FC<ToolbarProps> = ({ graph }) => {
         <div className="workflow-toolbar">
             <Space split={<Divider type="vertical" />}>
                 <Space>
-                    <Tooltip title="放大">
+                    <Tooltip title="放大 (Ctrl + 鼠标滚轮)">
                         <Button icon={<ZoomInOutlined />} onClick={() => zoom(0.1)} />
                     </Tooltip>
-                    <Tooltip title="缩小">
+                    <Tooltip title="缩小 (Ctrl + 鼠标滚轮)">
                         <Button icon={<ZoomOutOutlined />} onClick={() => zoom(-0.1)} />
                     </Tooltip>
-                    <Tooltip title="适应画布">
+                    <Tooltip title="适应画布 (双击空白处)">
                         <Button icon={<FullscreenOutlined />} onClick={fitContent} />
                     </Tooltip>
-                    <Tooltip title="实际大小">
+                    <Tooltip title="实际大小 (100%)">
                         <Button icon={<OneToOneOutlined />} onClick={resetZoom} />
                     </Tooltip>
                 </Space>
                 <Space>
-                    <Tooltip title="全选">
+                    <Tooltip title="全选 (Ctrl + A)">
                         <Button icon={<SelectOutlined />} onClick={selectAll} />
                     </Tooltip>
-                    <Tooltip title="删除">
+                    <Tooltip title="删除 (Delete)">
                         <Button 
                             icon={<DeleteOutlined />} 
                             onClick={deleteSelected}
@@ -284,22 +284,22 @@ const Toolbar: React.FC<ToolbarProps> = ({ graph }) => {
                     </Tooltip>
                 </Space>
                 <Space>
-                    <Tooltip title="撤销">
+                    <Tooltip title="撤销 (Ctrl + Z)">
                         <Button icon={<UndoOutlined />} onClick={undo} />
                     </Tooltip>
-                    <Tooltip title="重做">
+                    <Tooltip title="重做 (Ctrl + Shift + Z)">
                         <Button icon={<RedoOutlined />} onClick={redo} />
                     </Tooltip>
                 </Space>
                 <Space>
-                    <Tooltip title="复制">
+                    <Tooltip title="复制 (Ctrl + C)">
                         <Button 
                             icon={<CopyOutlined />} 
                             onClick={copy}
                             disabled={!hasSelection()}
                         />
                     </Tooltip>
-                    <Tooltip title="粘贴">
+                    <Tooltip title="粘贴 (Ctrl + V)">
                         <Button 
                             icon={<SnippetsOutlined />} 
                             onClick={paste}