diff --git a/torrent/commonMain/TorrentDownloadSessionImpl.kt b/torrent/commonMain/TorrentDownloadSessionImpl.kt
index 1f31bfa1a..5c9b1dfb1 100644
--- a/torrent/commonMain/TorrentDownloadSessionImpl.kt
+++ b/torrent/commonMain/TorrentDownloadSessionImpl.kt
@@ -72,7 +72,7 @@ internal class TorrentDownloadSessionImpl(
      * The directory may contain multiple files, or a single file.
      * The files are not guaranteed to be present at the moment when this function returns.
      */
-    private val saveDirectory: File,
+    override val saveDirectory: File,
     private val onClose: suspend (TorrentDownloadSessionImpl) -> Unit,
     private val isDebug: Boolean,
     parentCoroutineContext: CoroutineContext = EmptyCoroutineContext,
@@ -332,6 +332,7 @@ internal class TorrentDownloadSessionImpl(
 
         private val hashMd5 by lazy {
             scope.async {
+                stats.awaitFinished()
                 withContext(Dispatchers.IO) {
                     hashFileMd5(resolveDownloadingFile())
                 }
diff --git a/torrent/commonMain/TorrentFileEntry.kt b/torrent/commonMain/TorrentFileEntry.kt
index 59365cc0f..e8eb8bbc2 100644
--- a/torrent/commonMain/TorrentFileEntry.kt
+++ b/torrent/commonMain/TorrentFileEntry.kt
@@ -40,7 +40,7 @@ public interface TorrentFileEntry {
     /**
      * Returns the hash if available, otherwise `null`
      */
-    public fun getFileHashOrNull(): String? // TODO: 这个函数会在文件还没下载完成时也返回 
+    public fun getFileHashOrNull(): String?
 
     /**
      * 绝对路径. 挂起直到文件路径可用 (即有任意一个 piece 下载完成时)