fix存储OSS默认地址替换

mec-web/src/main/java/com/ym/mec/web/controller/PhotoAlbumController.java

@@ -29,7 +29,7 @@ public class PhotoAlbumController extends BaseController {
 	@PreAuthorize("@pcs.hasPermissions('photoAlbum/add')")
 	public Object add(PhotoAlbum photoAlbum) {
 		if(StringUtils.isEmpty(photoAlbum.getCoverUrl())){
-			photoAlbum.setCoverUrl("https://daya.ks3-cn-beijing.ksyun.com/202107/Sdmx7vx.png");
+			photoAlbum.setCoverUrl("https://oss.dayaedu.com/default-images/mec/Sdmx7vx.png");
 		}
 		return succeed(photoAlbumService.insert(photoAlbum));
 	}

mec-web/src/main/java/com/ym/mec/web/controller/education/EduPhotoAlbumController.java

@@ -28,7 +28,7 @@ public class EduPhotoAlbumController extends BaseController {
 	@PostMapping(value = "add")
 	public Object add(PhotoAlbum photoAlbum) {
 		if(StringUtils.isEmpty(photoAlbum.getCoverUrl())){
-			photoAlbum.setCoverUrl("https://daya.ks3-cn-beijing.ksyun.com/202107/Sdmx7vx.png");
+			photoAlbum.setCoverUrl("https://oss.dayaedu.com/default-images/mec/Sdmx7vx.png");
 		}
 		return succeed(photoAlbumService.insert(photoAlbum));
 	}