diff --git a/src/Example/Program.cs b/src/Example/Program.cs
index c712d32..c0c99a7 100644
--- a/src/Example/Program.cs
+++ b/src/Example/Program.cs
@@ -299,8 +299,9 @@ file sealed class EditorOverlay : IInputComponent
                 Children =
                 {
                     new Text(
-                        "Ctrl+A/E 行首行尾 Ctrl+Left/Right 按词移动\n" +
+                        "Home/End 行首行尾 Ctrl+Left/Right 按词移动\n" +
                         "Ctrl+Backspace/Delete 按词删除 Ctrl+Z/Y 撤销重做\n" +
+                        "Ctrl+C 清空当前内容但保留历史记录\n" +
                         "空内容时 Up/Down 浏览历史 Esc 提交并关闭"),
                     new Text(),
                     _editor,
diff --git a/src/TinyTUI/Components/Editor.cs b/src/TinyTUI/Components/Editor.cs
index 4ca28a1..2a36ca3 100644
--- a/src/TinyTUI/Components/Editor.cs
+++ b/src/TinyTUI/Components/Editor.cs
@@ -94,7 +94,7 @@ public sealed class Editor(ITextMeasurer? textMeasurer = null) : IInputComponent
             var line = _lines[lineIndex];
             if (lineIndex == _cursorRow)
             {
-                if (line.Length == 0 && Placeholder.Length > 0)
+                if (IsEmpty && Placeholder.Length > 0)
                     line = CursorMarker.Marker + Placeholder;
                 else
                 // Renderer 会提取这个 marker 并移动硬件光标 所以这里不渲染可见光标字符
@@ -124,11 +124,8 @@ public sealed class Editor(ITextMeasurer? textMeasurer = null) : IInputComponent
             case { Kind: TuiInputEventKind.Key, Value: var key } when key == KeyNames.Ctrl("y"):
                 Redo();
                 break;
-            case { Kind: TuiInputEventKind.Key, Value: var key } when key == KeyNames.Ctrl("a"):
-                MoveToLineStart();
-                break;
-            case { Kind: TuiInputEventKind.Key, Value: var key } when key == KeyNames.Ctrl("e"):
-                MoveToLineEnd();
+            case { Kind: TuiInputEventKind.Key, Value: var key } when key == KeyNames.Ctrl("c"):
+                Edit(ClearText);
                 break;
             case { Kind: TuiInputEventKind.Key, Value: var key } when key == KeyNames.Ctrl(KeyNames.Left):
                 MoveWordLeft();
@@ -265,6 +262,19 @@ public sealed class Editor(ITextMeasurer? textMeasurer = null) : IInputComponent
 
     }
 
+    /// <summary>
+    /// 清空当前编辑文本但保留历史记录
+    /// </summary>
+    private void ClearText()
+    {
+        _lines.Clear();
+        _lines.Add(string.Empty);
+        _cursorRow = 0;
+        _cursorColumn = 0;
+        _historyIndex = -1;
+        _historyDraft = string.Empty;
+    }
+
     /// <summary>
     /// 删除光标左侧一个 Rune 或在行首合并到上一行
     /// </summary>
@@ -454,6 +464,8 @@ public sealed class Editor(ITextMeasurer? textMeasurer = null) : IInputComponent
     private bool IsSingleEmptyLineOrBrowsing()
         => _historyIndex >= 0 || (_lines.Count == 1 && _lines[0].Length == 0);
 
+    private bool IsEmpty => _lines.Count == 1 && _lines[0].Length == 0;
+
     /// <summary>
     /// 恢复上一个编辑快照
     /// </summary>
@@ -600,4 +612,5 @@ public sealed class Editor(ITextMeasurer? textMeasurer = null) : IInputComponent
         Word,
         Punctuation,
     }
+
 }