fix 生成图片时间戳优化

 /*
  * @Date: 2025-01-22 11:45:30
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-01-24 16:56:06
+ * @LastEditTime: 2025-02-08 10:24:25
  * @FilePath: /map-demo/src/utils/TileCutter.js
  * @Description: 文件描述
  */
 import JSZip from "jszip";
 import { saveAs } from "file-saver";
+import dayjs from "dayjs";
 
 const tileSize = 512;
 
@@ -85,8 +86,11 @@ function sliceImageToTiles(image, bounds, zoomLevel) {
               // console.warn(`保存瓦片: ${tileX}_${tileY}_${zoomLevel}.png`);
               // saveTile(blob, `${tileX}_${tileY}_${zoomLevel}.png`);
 
+              // 获取当前北京时间（UTC+8）
+              const beijingTime = dayjs().add(8, "hour").toDate();
+
               // 使用 JSZip 将每个瓦片添加到压缩包中
-              zip.file(`${tileX}_${tileY}_${zoomLevel}.png`, blob);
+              zip.file(`${tileX}_${tileY}_${zoomLevel}.png`, blob, { date: beijingTime });
               tileIndex++;
 
               // 如果所有瓦片都处理完，生成并下载压缩包