[backend] fix: 修复异常处理和类型转换问题

frontend/node_modules/antd/lib/watermark/useClips.d.ts

@@ -0,0 +1,8 @@
+import type { WatermarkProps } from '.';
+export declare const FontGap = 3;
+/**
+ * Get the clips of text content.
+ * This is a lazy hook function since SSR no need this
+ */
+declare const useClips: () => (content: NonNullable<WatermarkProps["content"]> | HTMLImageElement, rotate: number, ratio: number, width: number, height: number, font: Required<NonNullable<WatermarkProps["font"]>>, gapX: number, gapY: number) => [dataURL: string, finalWidth: number, finalHeight: number];
+export default useClips;