diff --git a/frontend/src/pages/Workflow/Design/components/NodeConfigModal.tsx b/frontend/src/pages/Workflow/Design/components/NodeConfigModal.tsx
index a70b7fff..c60e239d 100644
--- a/frontend/src/pages/Workflow/Design/components/NodeConfigModal.tsx
+++ b/frontend/src/pages/Workflow/Design/components/NodeConfigModal.tsx
@@ -165,8 +165,7 @@ const NodeConfigModal: React.FC<NodeConfigModalProps> = ({
                 'x-decorator': 'FormItem',
                 'x-decorator-props': {
                     tooltip: prop.description,
-                    labelCol: 6,      // 标签占6列
-                    wrapperCol: 18,   // 内容占18列（剩余空间）
+                    // 垂直布局不需要 labelCol 和 wrapperCol
                 },
             };
 
@@ -261,9 +260,9 @@ const NodeConfigModal: React.FC<NodeConfigModalProps> = ({
         return null;
     }
 
-    return (
-        <Sheet open={visible} onOpenChange={(open) => !open && onCancel()}>
-            <SheetContent className="w-[720px] sm:max-w-[720px] flex flex-col p-0">
+        return (
+            <Sheet open={visible} onOpenChange={(open) => !open && onCancel()}>
+                <SheetContent className="w-[600px] sm:max-w-[600px] flex flex-col p-0">
                 {/* Header - 固定在顶部 */}
                 <div className="px-6 pt-6 pb-4 border-b">
                     <SheetHeader className="space-y-2">
@@ -285,8 +284,8 @@ const NodeConfigModal: React.FC<NodeConfigModalProps> = ({
                         className="w-full"
                     >
                         {/* 基本配置 - 始终显示 */}
-                        <AccordionItem value="config">
-                            <AccordionTrigger className="text-base font-semibold">
+                        <AccordionItem value="config" className="border-b">
+                            <AccordionTrigger className="text-base font-semibold flex-row-reverse justify-end gap-2 hover:no-underline">
                                 基本配置
                             </AccordionTrigger>
                             <AccordionContent className="px-1">
@@ -300,8 +299,8 @@ const NodeConfigModal: React.FC<NodeConfigModalProps> = ({
 
                         {/* 输入映射 - 条件显示 */}
                         {isConfigurableNode(nodeDefinition) && nodeDefinition.inputMappingSchema && (
-                            <AccordionItem value="input">
-                                <AccordionTrigger className="text-base font-semibold">
+                            <AccordionItem value="input" className="border-b">
+                                <AccordionTrigger className="text-base font-semibold flex-row-reverse justify-end gap-2 hover:no-underline">
                                     输入映射
                                 </AccordionTrigger>
                                 <AccordionContent className="px-1">
@@ -316,8 +315,8 @@ const NodeConfigModal: React.FC<NodeConfigModalProps> = ({
 
                         {/* 输出映射 - 条件显示 */}
                         {isConfigurableNode(nodeDefinition) && nodeDefinition.outputMappingSchema && (
-                            <AccordionItem value="output">
-                                <AccordionTrigger className="text-base font-semibold">
+                            <AccordionItem value="output" className="border-b">
+                                <AccordionTrigger className="text-base font-semibold flex-row-reverse justify-end gap-2 hover:no-underline">
                                     输出映射
                                 </AccordionTrigger>
                                 <AccordionContent className="px-1">