diff --git a/pkg/serverconfigs/http_cache_storage_file.go b/pkg/serverconfigs/http_cache_storage_file.go
index 0c36e94..288d6d6 100644
--- a/pkg/serverconfigs/http_cache_storage_file.go
+++ b/pkg/serverconfigs/http_cache_storage_file.go
@@ -17,12 +17,14 @@ type HTTPFileCacheStorage struct {
 	OpenFileCache  *OpenFileCacheConfig `yaml:"openFileCache" json:"openFileCache"`   // open file cache配置
 	EnableSendfile bool                 `yaml:"enableSendFile" json:"enableSendfile"` // 是否启用Sendfile
 
-	EnableMMAP bool `yaml:"enableMMAP" json:"enableMMAP"` // 是否启用MMAP
+	EnableMMAP                     bool `yaml:"enableMMAP" json:"enableMMAP"`                                         // 是否启用MMAP
+	EnableIncompletePartialContent bool `yaml:"enableIncompletePartialContent" json:"enableIncompletePartialContent"` // 允许读取未下载完整的Partial Content
 }
 
 func NewHTTPFileCacheStorage() *HTTPFileCacheStorage {
 	return &HTTPFileCacheStorage{
-		EnableMMAP: false,
+		EnableMMAP:                     false,
+		EnableIncompletePartialContent: true,
 	}
 }