diff --git a/Bin/net40/SunnyUI.dll b/Bin/net40/SunnyUI.dll
index aa8dd9e5..a28f2d39 100644
Binary files a/Bin/net40/SunnyUI.dll and b/Bin/net40/SunnyUI.dll differ
diff --git a/Bin/net462/SunnyUI.dll b/Bin/net462/SunnyUI.dll
index f4aa3fcb..6d3104c9 100644
Binary files a/Bin/net462/SunnyUI.dll and b/Bin/net462/SunnyUI.dll differ
diff --git a/Bin/net5.0-windows/SunnyUI.dll b/Bin/net5.0-windows/SunnyUI.dll
index 6e972973..9de3a1f9 100644
Binary files a/Bin/net5.0-windows/SunnyUI.dll and b/Bin/net5.0-windows/SunnyUI.dll differ
diff --git a/Bin/netcoreapp3.1/SunnyUI.dll b/Bin/netcoreapp3.1/SunnyUI.dll
index fc9c402d..69ea22da 100644
Binary files a/Bin/netcoreapp3.1/SunnyUI.dll and b/Bin/netcoreapp3.1/SunnyUI.dll differ
diff --git a/SunnyUI/Units/UMMFile.cs b/SunnyUI/Units/UMMFile.cs
index 7ad60a50..119c9795 100644
--- a/SunnyUI/Units/UMMFile.cs
+++ b/SunnyUI/Units/UMMFile.cs
@@ -137,7 +137,6 @@ namespace Sunny.UI
             var mmf = MemoryMappedFile.CreateOrOpen(MapName, Capacity, MemoryMappedFileAccess.ReadWrite);
             using (var accessor = mmf.CreateViewAccessor(0, Capacity))
             {
-                accessor.Write(0, false);
                 var len = accessor.ReadInt32(128);
                 var data = new byte[len];
                 accessor.ReadArray(128 + 4, data, 0, len);
@@ -147,6 +146,8 @@ namespace Sunny.UI
                 data = new byte[len];
                 accessor.ReadArray(1024 + 4, data, 0, len);
                 message.Value = Encoding.Unicode.GetString(data);
+
+                accessor.Write(0, false);
                 return message;
             }
         }