diff --git a/src/Shared/HandyControlDemo_Shared/ViewModel/Basic/ChatBoxViewModel.cs b/src/Shared/HandyControlDemo_Shared/ViewModel/Basic/ChatBoxViewModel.cs
index 65c31f5f..ea624f86 100644
--- a/src/Shared/HandyControlDemo_Shared/ViewModel/Basic/ChatBoxViewModel.cs
+++ b/src/Shared/HandyControlDemo_Shared/ViewModel/Basic/ChatBoxViewModel.cs
@@ -133,7 +133,7 @@ namespace HandyControlDemo.ViewModel
                 }
             }
 
-            var cachePath = $"{AudioCachePath}\\{Guid.NewGuid().ToString()}";
+            var cachePath = $"\"{AudioCachePath}\\{Guid.NewGuid().ToString()}\"";
             ExternDllHelper.MciSendString("stop movie", "", 0, 0);
             ExternDllHelper.MciSendString($"save movie {cachePath}", "", 0, 0);
             ExternDllHelper.MciSendString("close movie", "", 0, 0);