diff --git a/frontend/src/pages/KnowledgeManagement/Detail/KnowledgeSetDetail.tsx b/frontend/src/pages/KnowledgeManagement/Detail/KnowledgeSetDetail.tsx
index 56b8f51..d9a1294 100644
--- a/frontend/src/pages/KnowledgeManagement/Detail/KnowledgeSetDetail.tsx
+++ b/frontend/src/pages/KnowledgeManagement/Detail/KnowledgeSetDetail.tsx
@@ -335,41 +335,54 @@ const KnowledgeSetDetail = () => {
               />
             </Tooltip>
           )}
-          {(record.contentType === KnowledgeContentType.FILE ||
-            record.sourceType === KnowledgeSourceType.FILE_UPLOAD) && (
-            <Tooltip title="预览">
-              <Button
-                type="text"
-                icon={<EyeOutlined />}
-                onClick={() => handlePreviewItemFile(record)}
-                loading={previewLoadingItemId === record.id}
-                aria-label="预览"
-              />
-            </Tooltip>
-          )}
-          {(record.contentType === KnowledgeContentType.FILE ||
-            record.sourceType === KnowledgeSourceType.FILE_UPLOAD) && (
-            <Tooltip title="下载文件">
-              <Button
-                type="text"
-                icon={<DownloadOutlined />}
-                onClick={() => handleDownloadItem(record)}
-                aria-label="下载文件"
-              />
-            </Tooltip>
-          )}
-          <Button
-            type="text"
-            icon={<EditOutlined />}
-            onClick={() => {
-              setCurrentItem({
-                ...(record as unknown as KnowledgeItem),
-                status: record.rawStatus,
-              });
-              setItemEditorOpen(true);
-            }}
-            disabled={isReadOnly || record.rawStatus === KnowledgeStatusType.ARCHIVED || record.rawStatus === KnowledgeStatusType.DEPRECATED}
-          />
+          {(() => {
+            const isFileRecord =
+              record.contentType === KnowledgeContentType.FILE ||
+              record.sourceType === KnowledgeSourceType.FILE_UPLOAD;
+            return (
+              <>
+                {isFileRecord && (
+                  <Tooltip title="预览">
+                    <Button
+                      type="text"
+                      icon={<EyeOutlined />}
+                      onClick={() => handlePreviewItemFile(record)}
+                      loading={previewLoadingItemId === record.id}
+                      aria-label="预览"
+                    />
+                  </Tooltip>
+                )}
+                {isFileRecord && (
+                  <Tooltip title="下载文件">
+                    <Button
+                      type="text"
+                      icon={<DownloadOutlined />}
+                      onClick={() => handleDownloadItem(record)}
+                      aria-label="下载文件"
+                    />
+                  </Tooltip>
+                )}
+                {isFileRecord && (
+                  <Button
+                    type="text"
+                    icon={<EditOutlined />}
+                    onClick={() => {
+                      setCurrentItem({
+                        ...(record as unknown as KnowledgeItem),
+                        status: record.rawStatus,
+                      });
+                      setItemEditorOpen(true);
+                    }}
+                    disabled={
+                      isReadOnly ||
+                      record.rawStatus === KnowledgeStatusType.ARCHIVED ||
+                      record.rawStatus === KnowledgeStatusType.DEPRECATED
+                    }
+                  />
+                )}
+              </>
+            );
+          })()}
           <Button
             type="text"
             danger