feat: 添加博客主题样式文件

src/util/index.ts

@@ -98,7 +98,7 @@ export function deepclone<T>(obj: T): T {
  * @example
  * formatTimeBydate(new Date(), 'yyyy-MM-dd HH:mm:ss');
  */
-export function formatTimeBydate(this: Date, f: string): string | undefined {
+export function formatTimeBydate(this: string, f: string): string | undefined {
   return formatTime(this, f);
 }