diff --git a/glm-4.7.txt b/glm-4.7.txt
new file mode 100644
index 0000000..30d74d2
--- /dev/null
+++ b/glm-4.7.txt
@@ -0,0 +1 @@
+test
\ No newline at end of file
diff --git a/samples/10_multiple_appenders/LoggerProConfig.pas b/samples/10_multiple_appenders/LoggerProConfig.pas
index c9f6019..d209c48 100644
--- a/samples/10_multiple_appenders/LoggerProConfig.pas
+++ b/samples/10_multiple_appenders/LoggerProConfig.pas
@@ -8,11 +8,11 @@ interface
 function Log: ILogWriter;
 
 implementation
-
 uses
   LoggerPro.FileAppender,
   LoggerPro.ConsoleAppender,
   LoggerPro.OutputDebugStringAppender,
+  LoggerPro.MaskingAppender,
   LoggerPro.Builder;
 
 var
@@ -38,12 +38,18 @@ procedure SetupLogger;
   //   - Multiple appenders (File, Console, OutputDebugString)
   //   - Conditional log level based on DEBUG/RELEASE build
   //   - WithDefaultLogLevel to set minimum level for all appenders
+  //   - Using TLoggerProMaskingAppender to mask sensitive data
+  //
+  // TLoggerProMaskingAppender is a decorator that masks sensitive data:
+  //   - Masks 11-digit Chinese phone numbers (e.g., 138****5678)
+  //   - Masks password values (e.g., password=****)
+  //   - Regular expressions are pre-compiled in constructor for performance
   //
   _Log := LoggerProBuilder
     .WithDefaultLogLevel(LOG_LEVEL)
-    .WriteToFile.Done
-    .WriteToConsole.Done
-    .WriteToOutputDebugString.Done
+    .AddAppender(TLoggerProMaskingAppender.Create(TLoggerProFileAppender.Create))
+    .AddAppender(TLoggerProMaskingAppender.Create(TLoggerProConsoleAppender.Create))
+    .AddAppender(TLoggerProMaskingAppender.Create(TLoggerProOutputDebugStringAppender.Create))
     .Build;
 
   // ============================================================================
diff --git a/samples/common/MainFormU.dfm b/samples/common/MainFormU.dfm
index 968817c..fd4d904 100644
--- a/samples/common/MainFormU.dfm
+++ b/samples/common/MainFormU.dfm
@@ -65,4 +65,13 @@ object MainForm: TMainForm
     TabOrder = 5
     OnClick = Button6Click
   end
+  object Button7: TButton
+    Left = 294
+    Top = 71
+    Width = 280
+    Height = 57
+    Caption = 'Test Masking (Phone & Password)'
+    TabOrder = 6
+    OnClick = Button7Click
+  end
 end
diff --git a/samples/common/MainFormU.pas b/samples/common/MainFormU.pas
index 29be8a0..8ad9f53 100644
--- a/samples/common/MainFormU.pas
+++ b/samples/common/MainFormU.pas
@@ -22,12 +22,14 @@   TMainForm = class(TForm)
     Button4: TButton;
     Button5: TButton;
     Button6: TButton;
+    Button7: TButton;
     procedure Button1Click(Sender: TObject);
     procedure Button2Click(Sender: TObject);
     procedure Button3Click(Sender: TObject);
     procedure Button4Click(Sender: TObject);
     procedure Button5Click(Sender: TObject);
     procedure Button6Click(Sender: TObject);
+    procedure Button7Click(Sender: TObject);
   private
   { Private declarations }
   public
@@ -109,4 +111,15 @@ procedure TMainForm.Button6Click(Sender: TObject);
   Log.Fatal('This is an fatal message with TAG2', 'TAG2');
 end;
 
+procedure TMainForm.Button7Click(Sender: TObject);
+begin
+  Log.Debug('User login attempt with phone: 13812345678', 'MASKING_TEST');
+  Log.Info('User registration with phone: 15987654321', 'MASKING_TEST');
+  Log.Warn('Password reset request for user with phone: 18600001111', 'MASKING_TEST');
+  Log.Error('Login failed: username=admin&password=secret123', 'MASKING_TEST');
+  Log.Fatal('Database connection failed: password=dbpass456', 'MASKING_TEST');
+  Log.Debug('Multiple phones: 13812345678 and 15987654321', 'MASKING_TEST');
+  Log.Info('User data: phone=18600001111&password=mysecret', 'MASKING_TEST');
+end;
+
 end.