[backend] fix: 修复异常处理和类型转换问题

frontend/node_modules/antd/es/timeline/Timeline.d.ts

@@ -0,0 +1,20 @@
+import * as React from 'react';
+import type { TimelineItemProps } from './TimelineItem';
+export interface TimelineProps {
+    prefixCls?: string;
+    className?: string;
+    rootClassName?: string;
+    /** 指定最后一个幽灵节点是否存在或内容 */
+    pending?: React.ReactNode;
+    pendingDot?: React.ReactNode;
+    style?: React.CSSProperties;
+    reverse?: boolean;
+    mode?: 'left' | 'alternate' | 'right';
+    items?: TimelineItemProps[];
+    children?: React.ReactNode;
+}
+type CompoundedComponent = React.FC<TimelineProps> & {
+    Item: React.FC<TimelineItemProps>;
+};
+declare const Timeline: CompoundedComponent;
+export default Timeline;