diff --git a/models/file.go b/models/file.go
index 7045374..1f13e68 100644
--- a/models/file.go
+++ b/models/file.go
@@ -163,14 +163,13 @@ func (file *File) UpdatePicInfo(value string) error {
 	return DB.Model(&file).Update("pic_info", value).Error
 }
 
-// UpdatePicInfo 更新文件的图像信息
+// UpdateSize 更新文件的大小信息
 func (file *File) UpdateSize(value uint64) error {
 	return DB.Model(&file).Update("size", value).Error
 }
 
 /*
 	实现 FileInfo.FileInfo 接口
-	TODO 测试
 */
 
 func (file *File) GetName() string {
diff --git a/pkg/cache/memo.go b/pkg/cache/memo.go
index 93145bf..c1ca7ed 100644
--- a/pkg/cache/memo.go
+++ b/pkg/cache/memo.go
@@ -35,7 +35,7 @@ func getValue(item interface{}, ok bool) (interface{}, bool) {
 
 	var itemObj itemWithTTL
 	if itemObj, ok = item.(itemWithTTL); !ok {
-		return nil, false
+		return item, true
 	}
 
 	if itemObj.expires > 0 && itemObj.expires < time.Now().Unix() {
@@ -70,7 +70,7 @@ func (store *MemoStore) Gets(keys []string, prefix string) (map[string]interface
 	var notFound = make([]string, 0, len(keys))
 
 	for _, key := range keys {
-		if value, ok := store.Store.Load(prefix + key); ok {
+		if value, ok := getValue(store.Store.Load(prefix + key)); ok {
 			res[key] = value
 		} else {
 			notFound = append(notFound, key)