diff --git a/Core/RuntimeObject/Download/Snapshot.cs b/Core/RuntimeObject/Download/Snapshot.cs
index c2bcca53..fceec7e7 100644
--- a/Core/RuntimeObject/Download/Snapshot.cs
+++ b/Core/RuntimeObject/Download/Snapshot.cs
@@ -24,7 +24,7 @@ public static (bool state, string message) CreateRecordingSnapshot(long Uid)
 
             try
             {
-                if (Card.DownInfo.DownloadFileList.SnapshotGenerationInProgress) Card.DownInfo.DownloadFileList.SnapshotGenerationInProgress = true;
+                if (!Card.DownInfo.DownloadFileList.SnapshotGenerationInProgress) Card.DownInfo.DownloadFileList.SnapshotGenerationInProgress = true;
                 else return (false, "当前房间已有快照正在生成中");
 
                 string videoFile = Card.DownInfo.DownloadFileList.CurrentOperationVideoFile;