diff --git a/src/frontend/platform/src/pages/KnowledgePage/KnowledgeFile.tsx b/src/frontend/platform/src/pages/KnowledgePage/KnowledgeFile.tsx
index 0919d4df6..02a36fab1 100644
--- a/src/frontend/platform/src/pages/KnowledgePage/KnowledgeFile.tsx
+++ b/src/frontend/platform/src/pages/KnowledgePage/KnowledgeFile.tsx
@@ -523,8 +523,8 @@ const handleCopy = async (elem) => {
                                         handleCachePage();
                                     }}
                                 >
-                                    <div className="flex items-center gap-2 py-1">
-                                        <div className="flex items-center justify-center size-12 bg-primary text-white rounded-[10px]  w-[44px] h-[44px]">
+                                    <div className="flex items-center gap-2">
+                                        <div className="flex items-center justify-center size-12 bg-primary text-white rounded-[4px]  w-[40px] h-[40px]">
                                             <BookCopy />
                                         </div>
                                         <div>
diff --git a/src/frontend/platform/src/pages/KnowledgePage/KnowledgeQa.tsx b/src/frontend/platform/src/pages/KnowledgePage/KnowledgeQa.tsx
index ba933bf6b..72638cdee 100644
--- a/src/frontend/platform/src/pages/KnowledgePage/KnowledgeQa.tsx
+++ b/src/frontend/platform/src/pages/KnowledgePage/KnowledgeQa.tsx
@@ -238,7 +238,7 @@ export default function KnowledgeQa(params) {
         <TableHead>
             {t('lib.createUser')}
         </TableHead>
-        <TableHead>
+        <TableHead className="text-right">
             {t('operations')}
         </TableHead>
                     </TableRow>
@@ -255,8 +255,8 @@ export default function KnowledgeQa(params) {
                             }}
                         >
                             {/* 名称+描述单元格：恢复原有气泡结构，确保蓝色生效 */}
-                            <TableCell  className="font-medium max-w-[200px]">
-                                 <div className="flex items-center gap-2 py-1">
+                            <TableCell  className="font-medium max-w-[280px]">
+                                 <div className="flex items-center gap-2">
                                     <img
                                         src={__APP_ENV__.BASE_URL + "/assets/qa-logo.svg"}
                                         alt="知识库图标"
@@ -290,7 +290,7 @@ export default function KnowledgeQa(params) {
                                 </div>
                             </TableCell>
 
-                            <TableCell className="text-[#5A5A5A]">{el.update_time.replace('T', ' ')}</TableCell>
+                            <TableCell className="text-[#5A5A5A]  min-w-[220px]">{el.update_time.replace('T', ' ')}</TableCell>
 
                             <TableCell className="max-w-[300px] break-all">
                                  <div className="truncate-multiline text-[#5A5A5A]">{el.user_name || '--'}</div>
@@ -305,7 +305,6 @@ export default function KnowledgeQa(params) {
                                             <button
                                                 className="size-10 px-2 bg-transparent border-none shadow-none hover:bg-gray-300 flex items-center justify-center duration-200 relative"
                                                 onClick={(e) => e.stopPropagation()}
-                                            // 关键：stopPropagation防止触发父行onClick
                                             >
                                                 <Ellipsis size={24} color="#a69ba2" strokeWidth={1.75} />
                                             </button>
diff --git a/src/frontend/platform/src/pages/KnowledgePage/components/FileUploadStep2.tsx b/src/frontend/platform/src/pages/KnowledgePage/components/FileUploadStep2.tsx
index a4461c879..558ae90fe 100644
--- a/src/frontend/platform/src/pages/KnowledgePage/components/FileUploadStep2.tsx
+++ b/src/frontend/platform/src/pages/KnowledgePage/components/FileUploadStep2.tsx
@@ -175,8 +175,8 @@ useEffect(() => {
                 displayStep === 2 && (
                     <div className={cn(
                         "h-full flex flex-col min-w-[540px]",
-                        // 预览时占50%，否则占2/3
-                        showPreview ? "w-1/2" : "w-2/3"
+                        // 预览时占50%
+                        showPreview ? "w-1/2" : ""
                     )}>
                         <Tabs
                             defaultValue={displayMode === DisplayModeType.Mixed ? 'file' : displayMode}
@@ -189,7 +189,7 @@ useEffect(() => {
                                         <TabsTrigger id="knowledge_file_tab" value="file" className="roundedrounded-xl">{t('defaultStrategy')}</TabsTrigger>
                                         <TabsTrigger id="knowledge_table_tab" value="table">{t('customStrategy')}</TabsTrigger>
                                     </TabsList>
-                                ) : <div className="h-10"></div>}
+                                ) : <div className="h-1"></div>}
                             </div>
                             {/* 文件文档设置 */}
                             <TabsContent value="file">
diff --git a/src/frontend/platform/src/pages/KnowledgePage/components/Files.tsx b/src/frontend/platform/src/pages/KnowledgePage/components/Files.tsx
index 0bb7fd169..ccb95f3b2 100644
--- a/src/frontend/platform/src/pages/KnowledgePage/components/Files.tsx
+++ b/src/frontend/platform/src/pages/KnowledgePage/components/Files.tsx
@@ -39,15 +39,16 @@ export default function Files({ onPreview }) {
     )
     const navigate = useNavigate()
 
-    // 新增状态
+    // 存储完整文件对象（保留所有原始参数）
+    const [selectedFileObjs, setSelectedFileObjs] = useState<Array<Record<string, any>>>([]);
+    const [isAllSelected, setIsAllSelected] = useState(false);
+    
+    // 其他原有状态
     const [selectedFilters, setSelectedFilters] = useState<number[]>([]);
     const [tempFilters, setTempFilters] = useState<number[]>([]);
     const [isFilterOpen, setIsFilterOpen] = useState(false);
-    const [selectedFiles, setSelectedFiles] = useState<Set<string>>(new Set());
-    // 新增状态：跟踪全选状态
-    const [isAllSelected, setIsAllSelected] = useState(false);
 
-    // 解析中 轮巡
+    // 解析中轮巡
     const timerRef = useRef(null)
     useEffect(() => {
         if (datalist.some(el => el.status === 1)) {
@@ -62,21 +63,14 @@ export default function Files({ onPreview }) {
         setSelectedFilters([...tempFilters]);
         const params: any = {};
         if (tempFilters.length > 0) {
-            // 创建多个 status 参数
-            tempFilters.forEach((status, index) => {
-                params[`status`] = status; // 这会覆盖前一个，需要特殊处理
-            });
-
-            // 或者使用另一种方式：修改 useTable 支持数组
-            params.status = tempFilters; // 传递数组，让 useTable 处理
+            params.status = tempFilters;
         } else {
-            // 如果没有选中任何筛选条件，传递空对象来重置筛选
             params.status = [];
         }
 
         filterData(params);
         setIsFilterOpen(false);
-        setSelectedFiles(new Set());
+        setSelectedFileObjs([]);
         setIsAllSelected(false);
     };
 
@@ -86,8 +80,7 @@ export default function Files({ onPreview }) {
         setSelectedFilters(emptyFilters);
         filterData({ status: [] });
         setIsFilterOpen(false);
-        // 重置筛选时清除选择状态
-        setSelectedFiles(new Set());
+        setSelectedFileObjs([]);
         setIsAllSelected(false);
     };
 
@@ -98,79 +91,67 @@ export default function Files({ onPreview }) {
             onOk(next) {
                 captureAndAlertRequestErrorHoc(deleteFile(id).then(res => {
                     reload()
-                    // 删除文件后，从选中集合中移除
-                    setSelectedFiles(prev => {
-                        const newSet = new Set(prev);
-                        newSet.delete(id);
-                        return newSet;
-                    });
+                    setSelectedFileObjs(prev => prev.filter(file => file.id !== id));
                 }))
                 next()
             },
         })
     }
 
-    // 重试解析
+    // 重试解析（保留原始文件参数结构）
     const handleRetry = (files) => {
         captureAndAlertRequestErrorHoc(retryKnowledgeFileApi({ file_objs: files }).then(res => {
             reload()
         }))
     }
 
-    // 全选/取消全选
+    // 全选/取消全选（存储完整文件对象）
     const toggleSelectAll = (checked: boolean) => {
         if (checked) {
-            // 全选当前页
-            const currentPageIds = datalist.map(file => file.id);
-            const newSelectedFiles = new Set(selectedFiles);
-            currentPageIds.forEach(id => newSelectedFiles.add(id));
-            setSelectedFiles(newSelectedFiles);
-            setIsAllSelected(true);
+            // 全选当前页并去重
+            const newFiles = datalist
+                .filter(file => !selectedFileObjs.some(item => item.id === file.id))
+                .map(file => ({ ...file })); // 深拷贝保留所有参数
+            setSelectedFileObjs([...selectedFileObjs, ...newFiles]);
         } else {
             // 取消全选当前页
-            const currentPageIds = datalist.map(file => file.id);
-            const newSelectedFiles = new Set(selectedFiles);
-            currentPageIds.forEach(id => newSelectedFiles.delete(id));
-            setSelectedFiles(newSelectedFiles);
-            setIsAllSelected(false);
+            const currentPageIds = new Set(datalist.map(file => file.id));
+            setSelectedFileObjs(prev => prev.filter(file => !currentPageIds.has(file.id)));
         }
+        setIsAllSelected(checked);
     };
 
     // 单个文件选中/取消选中
-    const toggleSelectFile = (fileId: string, checked: boolean) => {
-        const newSelectedFiles = new Set(selectedFiles);
+    const toggleSelectFile = (file: Record<string, any>, checked: boolean) => {
         if (checked) {
-            newSelectedFiles.add(fileId);
+            // 避免重复添加
+            if (!selectedFileObjs.some(item => item.id === file.id)) {
+                setSelectedFileObjs([...selectedFileObjs, { ...file }]);
+            }
         } else {
-            newSelectedFiles.delete(fileId);
-            // 如果有文件被取消选择，则取消全选状态
+            setSelectedFileObjs(prev => prev.filter(item => item.id !== file.id));
             setIsAllSelected(false);
         }
-        setSelectedFiles(newSelectedFiles);
-    };
-
-    // 获取选中的文件
-    const getSelectedFiles = () => {
-        return datalist.filter(file => selectedFiles.has(file.id));
     };
 
     // 检查当前页是否全部选中
     const isCurrentPageAllSelected = useMemo(() => {
         if (datalist.length === 0) return false;
-        return datalist.every(file => selectedFiles.has(file.id));
-    }, [datalist, selectedFiles]);
+        const selectedIds = new Set(selectedFileObjs.map(file => file.id));
+        return datalist.every(file => selectedIds.has(file.id));
+    }, [datalist, selectedFileObjs]);
 
     // 批量删除
     const handleBatchDelete = () => {
         bsConfirm({
             title: t('prompt'),
-            desc: t('确认删除选中文件', { count: selectedFiles.size }),
+            desc: t('确认删除选中文件', { count: selectedFileObjs.length }),
             onOk(next) {
                 captureAndAlertRequestErrorHoc(Promise.all(
-                    Array.from(selectedFiles).map(id => deleteFile(id))
+                    selectedFileObjs.map(file => deleteFile(file.id))
                 ).then(() => {
                     reload();
-                    setSelectedFiles(new Set());
+                    setSelectedFileObjs([]);
                     setIsAllSelected(false);
                 }))
                 next();
@@ -178,17 +159,19 @@ export default function Files({ onPreview }) {
         })
     }
 
-    // 批量重试
+    // 批量重试（核心修复：传递完整文件对象）
     const handleBatchRetry = () => {
-        const failedFiles = getSelectedFiles().filter(file => file.status === 3);
+        // 筛选失败文件，保留完整参数
+        const failedFiles = selectedFileObjs.filter(file => file.status === 3);
+
         if (failedFiles.length > 0) {
-            handleRetry(failedFiles);
-            setSelectedFiles(new Set());
+            handleRetry(failedFiles); // 直接传递完整文件对象数组
+            setSelectedFileObjs([]);
             setIsAllSelected(false);
         }
     }
 
-    // 策略解析
+    // 策略解析（原有逻辑不变）
     const dataSouce = useMemo(() => {
         return datalist.map(el => {
             if (!el.split_rule) return {
@@ -206,32 +189,34 @@ export default function Files({ onPreview }) {
     }, [datalist])
 
     const splitRuleDesc = (el) => {
-        if (!el.split_rule) return el.strategy[1].replace(/\n/g, '\\n') // 兼容历史数据
+        if (!el.split_rule) return el.strategy[1].replace(/\n/g, '\\n')
         const suffix = el.file_name.split('.').pop().toUpperCase()
         const excel_rule = JSON.parse(el.split_rule).excel_rule
-        if (!excel_rule) return el.strategy[1].replace(/\n/g, '\\n') // 兼容历史数据
+        if (!excel_rule) return el.strategy[1].replace(/\n/g, '\\n')
         return ['XLSX', 'XLS', 'CSV'].includes(suffix) ? `每 ${excel_rule.slice_length} 行作为一个分段` : el.strategy[1].replace(/\n/g, '\\n')
     }
 
     // 检查是否有选中的解析失败文件
     const hasSelectedFailedFiles = useMemo(() => {
-        return getSelectedFiles().some(file => file.status === 3);
-    }, [selectedFiles, datalist]);
+        return selectedFileObjs.some(file => file.status === 3);
+    }, [selectedFileObjs]);
+
     useEffect(() => {
         if (isFilterOpen) {
             setTempFilters([...selectedFilters]);
         }
     }, [isFilterOpen, selectedFilters]);
 
-    // 当页面数据变化时，更新全选状态
+    // 页面数据变化时更新全选状态
     useEffect(() => {
-        setIsAllSelected(datalist.length > 0 && datalist.every(file => selectedFiles.has(file.id)));
-    }, [datalist, selectedFiles]);
+        setIsAllSelected(datalist.length > 0 && datalist.every(file => 
+            selectedFileObjs.some(item => item.id === file.id)
+        ));
+    }, [datalist, selectedFileObjs]);
 
     // 处理下拉菜单关闭事件
     const handleOpenChange = (open: boolean) => {
         if (!open && isFilterOpen) {
-            // 当下拉菜单关闭且之前是打开状态时，应用筛选
             applyFilters();
         }
         setIsFilterOpen(open);
@@ -246,32 +231,29 @@ export default function Files({ onPreview }) {
             )}
 
             {/* 顶部操作栏 */}
-            {selectedFiles.size > 0 && (
+            {selectedFileObjs.length > 0 && (
                 <div className="absolute top-[-62px] left-0 right-0 flex justify-center items-center p-2 border-b z-10">
                     <div className="flex gap-4 items-center">
-                        {/* 批量操作按钮组 */}
-                        {selectedFiles.size > 0 && (
-                            <div className="flex">
+                        <div className="flex">
+                            <Button
+                                variant="outline"
+                                onClick={handleBatchDelete}
+                                className="flex items-center gap-1"
+                            >
+                                <Trash2 size={16} />
+                                {t('delete')}
+                            </Button>
+                            {hasSelectedFailedFiles && (
                                 <Button
                                     variant="outline"
-                                    onClick={handleBatchDelete}
+                                    onClick={handleBatchRetry}
                                     className="flex items-center gap-1"
                                 >
-                                    <Trash2 size={16} />
-                                    {t('delete')}
+                                    <RotateCw size={16} />
+                                    {t('重试')}
                                 </Button>
-                                {hasSelectedFailedFiles && (
-                                    <Button
-                                        variant="outline"
-                                        onClick={handleBatchRetry}
-                                        className="flex items-center gap-1"
-                                    >
-                                        <RotateCw size={16} />
-                                        {t('重试')}
-                                    </Button>
-                                )}
-                            </div>
-                        )}
+                            )}
+                        </div>
                     </div>
                 </div>
             )}
@@ -279,8 +261,7 @@ export default function Files({ onPreview }) {
             <div className="absolute right-0 top-[-62px] flex gap-4 items-center z-20">
                 <SearchInput placeholder={t('searchFileName')} onChange={(e) => {
                     search(e.target.value);
-                    // 搜索时清除选择状态
-                    setSelectedFiles(new Set());
+                    setSelectedFileObjs([]);
                     setIsAllSelected(false);
                 }} />
                 {isEditable && (
@@ -329,7 +310,6 @@ export default function Files({ onPreview }) {
                                                         value: 2,
                                                         label: '已完成',
                                                         color: 'text-green-500',
-                                                        // 绿色圆点+文字（与表格"已完成"样式统一）
                                                         icon: (
                                                             <div className="flex items-center gap-2 mt-2">
                                                                 <span className="size-[6px] rounded-full bg-green-500"></span>
@@ -343,7 +323,6 @@ export default function Files({ onPreview }) {
                                                         value: 1,
                                                         label: '解析中',
                                                         color: 'text-[#4D9BF0]',
-                                                        // 蓝色圆点+文字（与表格"解析中"样式统一）
                                                         icon: (
                                                             <div className="flex items-center gap-2 mt-2">
                                                                 <span className="size-[6px] rounded-full bg-[#4D9BF0]"></span>
@@ -357,7 +336,6 @@ export default function Files({ onPreview }) {
                                                         value: 3,
                                                         label: '解析失败',
                                                         color: 'text-red-500',
-                                                        // 红色圆点+文字（与表格"解析失败"样式统一）
                                                         icon: (
                                                             <div className="flex items-center gap-2 mt-2">
                                                                 <span className="size-[6px] rounded-full bg-red-500"></span>
@@ -371,7 +349,6 @@ export default function Files({ onPreview }) {
                                                         value: 4,
                                                         label: '向量模型切换中',
                                                         color: 'text-[#4D9BF0]',
-                                                        // 蓝色圆点+文字（与表格"解析中"样式统一）
                                                         icon: (
                                                             <div className="flex items-center gap-2 mt-2">
                                                                 <span className="size-[6px] rounded-full bg-[#4D9BF0]"></span>
@@ -441,17 +418,17 @@ export default function Files({ onPreview }) {
                             <TableRow
                                 key={el.id}
                                 onClick={() => {
-                                    if (!selectedFiles.size && el.status !== 3 && el.status !== 1) {
+                                    if (selectedFileObjs.length === 0 && el.status !== 3 && el.status !== 1) {
                                         onPreview(el.id);
                                     }
                                 }}
-                                className={selectedFiles.has(el.id) ? 'bg-blue-50' : ''}
+                                className={selectedFileObjs.some(file => file.id === el.id) ? 'bg-blue-50' : ''}
                             >
                                 <TableCell>
                                     <Checkbox
-                                        checked={selectedFiles.has(el.id)}
+                                        checked={selectedFileObjs.some(file => file.id === el.id)}
                                         onCheckedChange={(checked) => {
-                                            toggleSelectFile(el.id, checked as boolean);
+                                            toggleSelectFile(el, checked as boolean);
                                         }}
                                         onClick={(e) => e.stopPropagation()}
                                     />
@@ -480,23 +457,20 @@ export default function Files({ onPreview }) {
                                 <TableCell>{el.update_time.replace('T', ' ')}</TableCell>
 
                                 <TableCell>
+                                    {console.log(el.remark,44444)}
                                     {el.status === 3 ? (
+                                        
                                         <div className="flex items-center">
                                             <TooltipProvider delayDuration={100}>
                                                 <Tooltip>
-                                                    <Tooltip>
                                                         <TooltipTrigger className="flex items-center gap-2">
-                                                            {/* 红色圆点 - 12x12px */}
                                                             <span className="size-[6px] rounded-full bg-red-500"></span>
-
-                                                            {/* 解析失败文字 - 符合Poppins SemiBold 14px样式 */}
                                                             <span className="font-[500] text-[14px] text-red-500 leading-[100%] text-center">
                                                                 解析失败
                                                             </span>
                                                         </TooltipTrigger>
-                                                    </Tooltip>
 
-                                                    <TooltipContent>
+                                                    <TooltipContent side="top" className="whitespace-pre-line">
                                                         <div className="max-w-96 text-left break-all whitespace-normal">{el.remark}</div>
                                                     </TooltipContent>
                                                 </Tooltip>
@@ -507,10 +481,7 @@ export default function Files({ onPreview }) {
                                             {el.status === 2 ? (
                                                 <Tooltip>
                                                     <TooltipTrigger className="flex items-center gap-2">
-                                                        {/* 红色圆点 - 12x12px */}
                                                         <span className="size-[6px] rounded-full bg-green-500"></span>
-
-                                                        {/* 解析失败文字 - 符合Poppins SemiBold 14px样式 */}
                                                         <span className="font-[500] text-[14px] text-green-500 leading-[100%] text-center">
                                                             已完成
                                                         </span>
@@ -519,10 +490,7 @@ export default function Files({ onPreview }) {
                                             ) : el.status === 1 ? (
                                                 <Tooltip>
                                                     <TooltipTrigger className="flex items-center gap-2">
-                                                        {/* 红色圆点 - 12x12px */}
                                                         <span className="size-[6px] rounded-full bg-[#4D9BF0]"></span>
-
-                                                        {/* 解析失败文字 - 符合Poppins SemiBold 14px样式 */}
                                                         <span className="font-[500] text-[14px] text-[#4D9BF0] leading-[100%] text-center">
                                                             解析中
                                                         </span>
@@ -531,10 +499,7 @@ export default function Files({ onPreview }) {
                                             ) : (
                                                 <Tooltip>
                                                     <TooltipTrigger className="flex items-center gap-2">
-                                                        {/* 红色圆点 - 12x12px */}
                                                         <span className="size-[6px] rounded-full bg-[#4D9BF0]"></span>
-
-                                                        {/* 解析失败文字 - 符合Poppins SemiBold 14px样式 */}
                                                         <span className="font-[500] text-[14px] text-[#4D9BF0] leading-[100%] text-center">
                                                             向量模型切换中
                                                         </span>
@@ -552,7 +517,7 @@ export default function Files({ onPreview }) {
                                                 size="icon"
                                                 onClick={(e) => {
                                                     e.stopPropagation();
-                                                    handleRetry([el]);
+                                                    handleRetry([el]); // 单个重试传递完整对象
                                                 }}
                                                 title={t('重试')}
                                             >
diff --git a/src/frontend/platform/src/pages/KnowledgePage/components/PreviewFile.tsx b/src/frontend/platform/src/pages/KnowledgePage/components/PreviewFile.tsx
index d8ae5c65d..c146405d4 100644
--- a/src/frontend/platform/src/pages/KnowledgePage/components/PreviewFile.tsx
+++ b/src/frontend/platform/src/pages/KnowledgePage/components/PreviewFile.tsx
@@ -8,6 +8,7 @@ import DocxPreview from "./DocxFileViewer";
 import { convertJsonData } from "./ParagraphEdit";
 import { Partition } from "./PreviewResult";
 import TxtFileViewer from "./TxtFileViewer";
+import { cn } from "@/utils";
 
 export default function PreviewFile({
   urlState,
@@ -292,7 +293,7 @@ export default function PreviewFile({
   if (['xlsx', 'xls', 'csv'].includes(file.suffix)) return null
 
 
-  return <div className="relative w-full" onClick={e => {
+  return  <div className={cn('relative' ,  step === 3 ? "w-full" : "w-1/2", step === 2 ? "-mt-9 w-full" : "")} onClick={e => {
     e.stopPropagation()
   }}>
     <div className={`${edit ? 'absolute -top-8 right-0 z-10' : 'relative'} flex justify-center items-center mb-2 text-sm h-10`}>
diff --git a/src/frontend/platform/src/pages/KnowledgePage/components/PreviewResult.tsx b/src/frontend/platform/src/pages/KnowledgePage/components/PreviewResult.tsx
index 26b0ba547..5efd08e4e 100644
--- a/src/frontend/platform/src/pages/KnowledgePage/components/PreviewResult.tsx
+++ b/src/frontend/platform/src/pages/KnowledgePage/components/PreviewResult.tsx
@@ -146,9 +146,19 @@ console.log(showPreview, previewCount, rules, step, applyEachCell, cellGeneralCo
     // 更新分段
     const selectedBbox = useKnowledgeStore((state) => state.selectedBbox);
     const handleChunkChange = (chunkIndex, text) => {
-        const bbox = { chunk_bboxes: selectedBbox }
+       
+        
+         const existingBbox = chunks[chunkIndex]?.bbox ? JSON.parse(chunks[chunkIndex].bbox) : { chunk_bboxes: [] };
+          const targetChunkBboxes = selectedBbox && selectedBbox.length > 0 
+        ? selectedBbox 
+        : existingBbox.chunk_bboxes;
+    const bbox = { 
+        chunk_bboxes: targetChunkBboxes 
+    };
+    console.log( bbox,existingBbox,98999898);
+    
         updatePreviewChunkApi({
-            knowledge_id: Number(id), file_path: currentFile.filePath, chunk_index: chunkIndex, text, bbox: JSON.stringify(bbox)
+            knowledge_id: Number(id)||kId, file_path: currentFile.filePath, chunk_index: chunkIndex, text, bbox: JSON.stringify(bbox)
         })
         setChunks(chunks => chunks.map(chunk => chunk.chunkIndex === chunkIndex ? { ...chunk, text } : chunk))
     }
@@ -163,7 +173,7 @@ console.log(showPreview, previewCount, rules, step, applyEachCell, cellGeneralCo
             setChunks={setChunks}
             partitions={partitions}
         />}
-         <div className={cn('relative',  showPreview ? "w-full" : "w-1/2")}>
+         <div className={cn('relative',  "w-full")}>
             {/* 下拉框 - 右上角 */}
             {(step === 3 || (step === 2 && showPreview)) && (
                 <div className="flex justify-end">
diff --git a/src/frontend/platform/src/pages/KnowledgePage/components/RuleFile.tsx b/src/frontend/platform/src/pages/KnowledgePage/components/RuleFile.tsx
index f39bc4d8f..a9d8c1162 100644
--- a/src/frontend/platform/src/pages/KnowledgePage/components/RuleFile.tsx
+++ b/src/frontend/platform/src/pages/KnowledgePage/components/RuleFile.tsx
@@ -186,7 +186,7 @@ export default function RuleFile({
 
   return (
     <div className="flex-1 flex flex-col relative max-w-[760px] mx-auto">
-      <div className="flex flex-col gap-4 mt-9" style={{ gridTemplateColumns: '114px 1fr' }}>
+      <div className="flex flex-col gap-4" style={{ gridTemplateColumns: '114px 1fr' }}>
         <div className="space-y-4 p-4 border rounded-lg">
           <h3 className="font-bold text-gray-800 text-left text-md">{t('splitSettings')}</h3>