[backend] fix: 修复异常处理和类型转换问题

frontend/node_modules/antd/es/affix/index.d.ts

@@ -0,0 +1,25 @@
+import React from 'react';
+import throttleByAnimationFrame from '../_util/throttleByAnimationFrame';
+export interface AffixProps {
+    /** Triggered when the specified offset is reached from the top of the window */
+    offsetTop?: number;
+    /** Triggered when the specified offset is reached from the bottom of the window */
+    offsetBottom?: number;
+    style?: React.CSSProperties;
+    /** Callback function triggered when fixed state changes */
+    onChange?: (affixed?: boolean) => void;
+    /** Set the element that Affix needs to listen to its scroll event, the value is a function that returns the corresponding DOM element */
+    target?: () => Window | HTMLElement | null;
+    prefixCls?: string;
+    className?: string;
+    rootClassName?: string;
+    children: React.ReactNode;
+}
+export interface AffixRef {
+    updatePosition: ReturnType<typeof throttleByAnimationFrame>;
+}
+interface InternalAffixProps extends AffixProps {
+    onTestUpdatePosition?: () => void;
+}
+declare const Affix: React.ForwardRefExoticComponent<InternalAffixProps & React.RefAttributes<AffixRef>>;
+export default Affix;