[backend] fix: 修复异常处理和类型转换问题

frontend/node_modules/antd/es/dropdown/dropdown-button.d.ts

@@ -0,0 +1,21 @@
+import * as React from 'react';
+import type { ButtonHTMLType, ButtonProps } from '../button';
+import type { ButtonGroupProps } from '../button/button-group';
+import type { DropdownProps } from './dropdown';
+export type DropdownButtonType = 'default' | 'primary' | 'dashed' | 'link' | 'text';
+export interface DropdownButtonProps extends ButtonGroupProps, DropdownProps {
+    type?: DropdownButtonType;
+    htmlType?: ButtonHTMLType;
+    danger?: boolean;
+    disabled?: boolean;
+    loading?: ButtonProps['loading'];
+    onClick?: React.MouseEventHandler<HTMLElement>;
+    icon?: React.ReactNode;
+    href?: string;
+    children?: React.ReactNode;
+    title?: string;
+    buttonsRender?: (buttons: React.ReactNode[]) => React.ReactNode[];
+}
+type CompoundedComponent = React.FC<DropdownButtonProps> & {};
+declare const DropdownButton: CompoundedComponent;
+export default DropdownButton;