diff --git a/src/MaaWpfGui/ViewModels/UI/CopilotViewModel.cs b/src/MaaWpfGui/ViewModels/UI/CopilotViewModel.cs
index 370d9ae886..093a24ae13 100644
--- a/src/MaaWpfGui/ViewModels/UI/CopilotViewModel.cs
+++ b/src/MaaWpfGui/ViewModels/UI/CopilotViewModel.cs
@@ -281,7 +281,7 @@ namespace MaaWpfGui.ViewModels.UI
 
         private const string TempCopilotFile = "cache/_temp_copilot.json";
         private string _taskType = "General";
-        private const string StageNameRegex = @"(?:[a-z]{0,3})(?:\d{0,2})-(?:(?:A|B|C|D|EX|S|TR|MO)-)?(?:\d{1,2})(\(Raid\)(?=\.json))?";
+        private const string StageNameRegex = @"(?:[a-z]{0,3})(?:\d{0,2})-(?:(?:A|B|C|D|EX|S|TR|MO)-?)?(?:\d{1,2})(\(Raid\)(?=\.json))?";
 
         /// <summary>
         /// 为自动战斗列表匹配名字