优化

internal/data/storage/local.go

@@ -6,6 +6,7 @@ import (
 	"encoding/hex"
 	"fmt"
 	"io"
+	"mime"
 	"os"
 	"path/filepath"
 	"sort"
@@ -200,7 +201,7 @@ func (s *fileStorage) List(ctx context.Context, prefix, cursor string, limit int
 		if infoErr != nil {
 			return infoErr
 		}
-		items = append(items, &biz.StoredFile{Name: entry.Name(), Path: relative, URL: s.urlPrefix + "/" + relative, Size: info.Size()})
+		items = append(items, &biz.StoredFile{Name: entry.Name(), Path: relative, URL: s.urlPrefix + "/" + relative, Size: info.Size(), LastModified: info.ModTime(), ContentType: mime.TypeByExtension(filepath.Ext(entry.Name()))})
 		return nil
 	})
 	if err != nil {