diff --git a/tdesign-component/example/lib/config.dart b/tdesign-component/example/lib/config.dart
index c787754fe..38616571e 100644
--- a/tdesign-component/example/lib/config.dart
+++ b/tdesign-component/example/lib/config.dart
@@ -16,7 +16,7 @@ import 'page/td_button_page.dart';
 import 'page/td_cell_page.dart';
 import 'page/td_checkbox_page.dart';
 import 'page/td_collapse.dart';
-import 'page/td_count_down_page.dart';
+import 'page/td_time_counter_page.dart';
 import 'page/td_date_picker_page.dart';
 import 'page/td_dialog_page.dart';
 import 'page/td_divider_page.dart';
@@ -158,10 +158,9 @@ Map<String, List<ExamplePageModel>> exampleMap = {
     ExamplePageModel(
         text: 'Cell 单元格', name: 'cell', pageBuilder: _wrapInheritedTheme((context) => const TDCellPage())),
     ExamplePageModel(
-        text: 'CountDown 倒计时',
-        name: 'count-down',
-        pageName: 'count_down',
-        pageBuilder: _wrapInheritedTheme((context) => const TDCountDownPage())),
+        text: 'TimeCounter 计时器',
+        name: 'time-counter',
+        pageBuilder: _wrapInheritedTheme((context) => const TDTimeCounterPage())),
     ExamplePageModel(
         text: 'Collapse 折叠面板',
         name: 'collapse',
diff --git a/tdesign-component/example/lib/page/td_count_down_page.dart b/tdesign-component/example/lib/page/td_time_counter_page.dart
similarity index 67%
rename from tdesign-component/example/lib/page/td_count_down_page.dart
rename to tdesign-component/example/lib/page/td_time_counter_page.dart
index e1a07a1a8..a85a0d978 100644
--- a/tdesign-component/example/lib/page/td_count_down_page.dart
+++ b/tdesign-component/example/lib/page/td_time_counter_page.dart
@@ -3,8 +3,8 @@ import 'package:tdesign_flutter/tdesign_flutter.dart';
 import '../../base/example_widget.dart';
 import '../annotation/demo.dart';
 
-class TDCountDownPage extends StatelessWidget {
-  const TDCountDownPage({super.key});
+class TDTimeCounterPage extends StatelessWidget {
+  const TDTimeCounterPage({super.key});
 
   @override
   Widget build(BuildContext context) {
@@ -12,8 +12,8 @@ class TDCountDownPage extends StatelessWidget {
       color: TDTheme.of(context).grayColor2,
       child: ExamplePage(
         title: tdTitle(context),
-        desc: '用于实时展示倒计时数值。',
-        exampleCodeGroup: 'countDown',
+        desc: '用于实时展示计时数值。',
+        exampleCodeGroup: 'timeCounter',
         children: [
           ExampleModule(title: '组件类型', children: [
             ExampleItem(
@@ -34,6 +34,15 @@ class TDCountDownPage extends StatelessWidget {
                 return const CodeWrapper(builder: _buildMillisecondSimple);
               },
             ),
+            ExampleItem(
+              ignoreCode: true,
+              desc: '正向计时',
+              center: false,
+              padding: const EdgeInsets.only(left: 16),
+              builder: (BuildContext context) {
+                return const CodeWrapper(builder: _buildUpSimple);
+              },
+            ),
             ExampleItem(
               ignoreCode: true,
               desc: '带方形底',
@@ -80,9 +89,9 @@ class TDCountDownPage extends StatelessWidget {
               builder: (BuildContext context) {
                 return Container(
                   alignment: Alignment.topLeft,
-                  child: Wrap(spacing: 8, direction: Axis.vertical, children: [
+                  child: const Wrap(spacing: 8, direction: Axis.vertical, children: [
                     Row(
-                      children: const [
+                      children: [
                         SizedBox(
                           width: 80,
                           child: Text('小'),
@@ -91,7 +100,7 @@ class TDCountDownPage extends StatelessWidget {
                       ],
                     ),
                     Row(
-                      children: const [
+                      children: [
                         SizedBox(
                           width: 80,
                           child: Text('中'),
@@ -100,7 +109,7 @@ class TDCountDownPage extends StatelessWidget {
                       ],
                     ),
                     Row(
-                      children: const [
+                      children: [
                         SizedBox(
                           width: 80,
                           child: Text('大'),
@@ -120,9 +129,9 @@ class TDCountDownPage extends StatelessWidget {
               builder: (BuildContext context) {
                 return Container(
                   alignment: Alignment.topLeft,
-                  child: Wrap(spacing: 8, direction: Axis.vertical, children: [
+                  child: const Wrap(spacing: 8, direction: Axis.vertical, children: [
                     Row(
-                      children: const [
+                      children: [
                         SizedBox(
                           width: 80,
                           child: Text('小'),
@@ -131,7 +140,7 @@ class TDCountDownPage extends StatelessWidget {
                       ],
                     ),
                     Row(
-                      children: const [
+                      children: [
                         SizedBox(
                           width: 80,
                           child: Text('中'),
@@ -140,7 +149,7 @@ class TDCountDownPage extends StatelessWidget {
                       ],
                     ),
                     Row(
-                      children: const [
+                      children: [
                         SizedBox(
                           width: 80,
                           child: Text('大'),
@@ -160,9 +169,9 @@ class TDCountDownPage extends StatelessWidget {
               builder: (BuildContext context) {
                 return Container(
                   alignment: Alignment.topLeft,
-                  child: Wrap(spacing: 8, direction: Axis.vertical, children: [
+                  child: const Wrap(spacing: 8, direction: Axis.vertical, children: [
                     Row(
-                      children: const [
+                      children: [
                         SizedBox(
                           width: 80,
                           child: Text('小'),
@@ -171,7 +180,7 @@ class TDCountDownPage extends StatelessWidget {
                       ],
                     ),
                     Row(
-                      children: const [
+                      children: [
                         SizedBox(
                           width: 80,
                           child: Text('中'),
@@ -180,7 +189,7 @@ class TDCountDownPage extends StatelessWidget {
                       ],
                     ),
                     Row(
-                      children: const [
+                      children: [
                         SizedBox(
                           width: 80,
                           child: Text('大'),
@@ -200,9 +209,9 @@ class TDCountDownPage extends StatelessWidget {
               builder: (BuildContext context) {
                 return Container(
                   alignment: Alignment.topLeft,
-                  child: Wrap(spacing: 8, direction: Axis.vertical, children: [
+                  child: const Wrap(spacing: 8, direction: Axis.vertical, children: [
                     Row(
-                      children: const [
+                      children: [
                         SizedBox(
                           width: 80,
                           child: Text('小'),
@@ -211,7 +220,7 @@ class TDCountDownPage extends StatelessWidget {
                       ],
                     ),
                     Row(
-                      children: const [
+                      children: [
                         SizedBox(
                           width: 80,
                           child: Text('中'),
@@ -220,7 +229,7 @@ class TDCountDownPage extends StatelessWidget {
                       ],
                     ),
                     Row(
-                      children: const [
+                      children: [
                         SizedBox(
                           width: 80,
                           child: Text('大'),
@@ -240,9 +249,9 @@ class TDCountDownPage extends StatelessWidget {
               builder: (BuildContext context) {
                 return Container(
                   alignment: Alignment.topLeft,
-                  child: Wrap(spacing: 8, direction: Axis.vertical, children: [
+                  child: const Wrap(spacing: 8, direction: Axis.vertical, children: [
                     Row(
-                      children: const [
+                      children: [
                         SizedBox(
                           width: 80,
                           child: Text('小'),
@@ -251,7 +260,7 @@ class TDCountDownPage extends StatelessWidget {
                       ],
                     ),
                     Row(
-                      children: const [
+                      children: [
                         SizedBox(
                           width: 80,
                           child: Text('中'),
@@ -260,7 +269,7 @@ class TDCountDownPage extends StatelessWidget {
                       ],
                     ),
                     Row(
-                      children: const [
+                      children: [
                         SizedBox(
                           width: 80,
                           child: Text('大'),
@@ -290,182 +299,187 @@ class TDCountDownPage extends StatelessWidget {
   }
 }
 
-@Demo(group: 'countDown')
-TDCountDown _buildSimple(BuildContext context) {
-  return const TDCountDown(time: 60 * 60 * 1000);
+@Demo(group: 'timeCounter')
+TDTimeCounter _buildSimple(BuildContext context) {
+  return const TDTimeCounter(time: 60 * 60 * 1000);
+}
+
+@Demo(group: 'timeCounter')
+TDTimeCounter _buildMillisecondSimple(BuildContext context) {
+  return const TDTimeCounter(time: 60 * 60 * 1000, millisecond: true);
 }
 
-@Demo(group: 'countDown')
-TDCountDown _buildMillisecondSimple(BuildContext context) {
-  return const TDCountDown(time: 60 * 60 * 1000, millisecond: true);
+@Demo(group: 'timeCounter')
+TDTimeCounter _buildUpSimple(BuildContext context) {
+  return const TDTimeCounter(time: 60 * 60 * 1000, millisecond: true, direction: TDTimeCounterDirection.up,);
 }
 
-@Demo(group: 'countDown')
-TDCountDown _buildSquareSimple(BuildContext context) {
-  return const TDCountDown(time: 60 * 60 * 1000, theme: TDCountDownTheme.square);
+@Demo(group: 'timeCounter')
+TDTimeCounter _buildSquareSimple(BuildContext context) {
+  return const TDTimeCounter(time: 60 * 60 * 1000, theme: TDTimeCounterTheme.square);
 }
 
-@Demo(group: 'countDown')
-TDCountDown _buildRoundSimple(BuildContext context) {
-  return const TDCountDown(time: 60 * 60 * 1000, theme: TDCountDownTheme.round);
+@Demo(group: 'timeCounter')
+TDTimeCounter _buildRoundSimple(BuildContext context) {
+  return const TDTimeCounter(time: 60 * 60 * 1000, theme: TDTimeCounterTheme.round);
 }
 
-@Demo(group: 'countDown')
-TDCountDown _buildUnitSimple(BuildContext context) {
-  return const TDCountDown(time: 60 * 60 * 1000, theme: TDCountDownTheme.square, splitWithUnit: true);
+@Demo(group: 'timeCounter')
+TDTimeCounter _buildUnitSimple(BuildContext context) {
+  return const TDTimeCounter(time: 60 * 60 * 1000, theme: TDTimeCounterTheme.square, splitWithUnit: true);
 }
 
-@Demo(group: 'countDown')
-TDCountDown _buildCustomUnitSimple(BuildContext context) {
-  var style = TDCountDownStyle.generateStyle(context);
+@Demo(group: 'timeCounter')
+TDTimeCounter _buildCustomUnitSimple(BuildContext context) {
+  var style = TDTimeCounterStyle.generateStyle(context);
   style.timeColor = TDTheme.of(context).errorColor6;
-  return TDCountDown(time: 60 * 60 * 1000, splitWithUnit: true, style: style);
+  return TDTimeCounter(time: 60 * 60 * 1000, splitWithUnit: true, style: style);
 }
 
-@Demo(group: 'countDown')
-TDCountDown _buildSmallSize(BuildContext context) {
-  return const TDCountDown(
+@Demo(group: 'timeCounter')
+TDTimeCounter _buildSmallSize(BuildContext context) {
+  return const TDTimeCounter(
     time: 60 * 60 * 1000,
-    size: TDCountDownSize.small,
+    size: TDTimeCounterSize.small,
   );
 }
 
-@Demo(group: 'countDown')
-TDCountDown _buildMediumSize(BuildContext context) {
-  return const TDCountDown(
+@Demo(group: 'timeCounter')
+TDTimeCounter _buildMediumSize(BuildContext context) {
+  return const TDTimeCounter(
     time: 60 * 60 * 1000,
-    size: TDCountDownSize.medium,
+    size: TDTimeCounterSize.medium,
   );
 }
 
-@Demo(group: 'countDown')
-TDCountDown _buildLargeSize(BuildContext context) {
-  return const TDCountDown(
+@Demo(group: 'timeCounter')
+TDTimeCounter _buildLargeSize(BuildContext context) {
+  return const TDTimeCounter(
     time: 60 * 60 * 1000,
-    size: TDCountDownSize.large,
+    size: TDTimeCounterSize.large,
   );
 }
 
-@Demo(group: 'countDown')
-TDCountDown _buildSquareSmallSize(BuildContext context) {
-  return const TDCountDown(
+@Demo(group: 'timeCounter')
+TDTimeCounter _buildSquareSmallSize(BuildContext context) {
+  return const TDTimeCounter(
     time: 60 * 60 * 1000,
-    size: TDCountDownSize.small,
-    theme: TDCountDownTheme.square,
+    size: TDTimeCounterSize.small,
+    theme: TDTimeCounterTheme.square,
   );
 }
 
-@Demo(group: 'countDown')
-TDCountDown _buildSquareMediumSize(BuildContext context) {
-  return const TDCountDown(
+@Demo(group: 'timeCounter')
+TDTimeCounter _buildSquareMediumSize(BuildContext context) {
+  return const TDTimeCounter(
     time: 60 * 60 * 1000,
-    size: TDCountDownSize.medium,
-    theme: TDCountDownTheme.square,
+    size: TDTimeCounterSize.medium,
+    theme: TDTimeCounterTheme.square,
   );
 }
 
-@Demo(group: 'countDown')
-TDCountDown _buildSquareLargeSize(BuildContext context) {
-  return const TDCountDown(
+@Demo(group: 'timeCounter')
+TDTimeCounter _buildSquareLargeSize(BuildContext context) {
+  return const TDTimeCounter(
     time: 60 * 60 * 1000,
-    size: TDCountDownSize.large,
-    theme: TDCountDownTheme.square,
+    size: TDTimeCounterSize.large,
+    theme: TDTimeCounterTheme.square,
   );
 }
 
-@Demo(group: 'countDown')
-TDCountDown _buildRoundSmallSize(BuildContext context) {
-  return const TDCountDown(
+@Demo(group: 'timeCounter')
+TDTimeCounter _buildRoundSmallSize(BuildContext context) {
+  return const TDTimeCounter(
     time: 60 * 60 * 1000,
-    size: TDCountDownSize.small,
-    theme: TDCountDownTheme.round,
+    size: TDTimeCounterSize.small,
+    theme: TDTimeCounterTheme.round,
   );
 }
 
-@Demo(group: 'countDown')
-TDCountDown _buildRoundMediumSize(BuildContext context) {
-  return const TDCountDown(
+@Demo(group: 'timeCounter')
+TDTimeCounter _buildRoundMediumSize(BuildContext context) {
+  return const TDTimeCounter(
     time: 60 * 60 * 1000,
-    size: TDCountDownSize.medium,
-    theme: TDCountDownTheme.round,
+    size: TDTimeCounterSize.medium,
+    theme: TDTimeCounterTheme.round,
   );
 }
 
-@Demo(group: 'countDown')
-TDCountDown _buildRoundLargeSize(BuildContext context) {
-  return const TDCountDown(
+@Demo(group: 'timeCounter')
+TDTimeCounter _buildRoundLargeSize(BuildContext context) {
+  return const TDTimeCounter(
     time: 60 * 60 * 1000,
-    size: TDCountDownSize.large,
-    theme: TDCountDownTheme.round,
+    size: TDTimeCounterSize.large,
+    theme: TDTimeCounterTheme.round,
   );
 }
 
-@Demo(group: 'countDown')
-TDCountDown _buildUnitSmallSize(BuildContext context) {
-  return const TDCountDown(
+@Demo(group: 'timeCounter')
+TDTimeCounter _buildUnitSmallSize(BuildContext context) {
+  return const TDTimeCounter(
     time: 60 * 60 * 1000,
-    size: TDCountDownSize.small,
-    theme: TDCountDownTheme.square,
+    size: TDTimeCounterSize.small,
+    theme: TDTimeCounterTheme.square,
     splitWithUnit: true,
   );
 }
 
-@Demo(group: 'countDown')
-TDCountDown _buildUnitMediumSize(BuildContext context) {
-  return const TDCountDown(
+@Demo(group: 'timeCounter')
+TDTimeCounter _buildUnitMediumSize(BuildContext context) {
+  return const TDTimeCounter(
     time: 60 * 60 * 1000,
-    size: TDCountDownSize.medium,
-    theme: TDCountDownTheme.square,
+    size: TDTimeCounterSize.medium,
+    theme: TDTimeCounterTheme.square,
     splitWithUnit: true,
   );
 }
 
-@Demo(group: 'countDown')
-TDCountDown _buildUnitLargeSize(BuildContext context) {
-  return const TDCountDown(
+@Demo(group: 'timeCounter')
+TDTimeCounter _buildUnitLargeSize(BuildContext context) {
+  return const TDTimeCounter(
     time: 60 * 60 * 1000,
-    size: TDCountDownSize.large,
-    theme: TDCountDownTheme.square,
+    size: TDTimeCounterSize.large,
+    theme: TDTimeCounterTheme.square,
     splitWithUnit: true,
   );
 }
 
-@Demo(group: 'countDown')
-TDCountDown _buildCustomUnitSmallSize(BuildContext context) {
-  var style = TDCountDownStyle.generateStyle(context, size: TDCountDownSize.small);
+@Demo(group: 'timeCounter')
+TDTimeCounter _buildCustomUnitSmallSize(BuildContext context) {
+  var style = TDTimeCounterStyle.generateStyle(context, size: TDTimeCounterSize.small);
   style.timeColor = TDTheme.of(context).errorColor6;
-  return TDCountDown(
+  return TDTimeCounter(
     time: 60 * 60 * 1000,
     splitWithUnit: true,
     style: style,
   );
 }
 
-@Demo(group: 'countDown')
-TDCountDown _buildCustomUnitMediumSize(BuildContext context) {
-  var style = TDCountDownStyle.generateStyle(context, size: TDCountDownSize.medium);
+@Demo(group: 'timeCounter')
+TDTimeCounter _buildCustomUnitMediumSize(BuildContext context) {
+  var style = TDTimeCounterStyle.generateStyle(context, size: TDTimeCounterSize.medium);
   style.timeColor = TDTheme.of(context).errorColor6;
-  return TDCountDown(
+  return TDTimeCounter(
     time: 60 * 60 * 1000,
     splitWithUnit: true,
     style: style,
   );
 }
 
-@Demo(group: 'countDown')
-TDCountDown _buildCustomUnitLargeSize(BuildContext context) {
-  var style = TDCountDownStyle.generateStyle(context, size: TDCountDownSize.large);
+@Demo(group: 'timeCounter')
+TDTimeCounter _buildCustomUnitLargeSize(BuildContext context) {
+  var style = TDTimeCounterStyle.generateStyle(context, size: TDTimeCounterSize.large);
   style.timeColor = TDTheme.of(context).errorColor6;
-  return TDCountDown(
+  return TDTimeCounter(
     time: 60 * 60 * 1000,
     splitWithUnit: true,
     style: style,
   );
 }
 
-@Demo(group: 'countDown')
+@Demo(group: 'timeCounter')
 Widget _buildControl(BuildContext context) {
-  var controller = TDCountDownController();
+  var controller = TDTimeCounterController();
   return Wrap(
     direction: Axis.vertical,
     spacing: 8,
@@ -515,7 +529,7 @@ Widget _buildControl(BuildContext context) {
           ),
         ],
       ),
-      TDCountDown(
+      TDTimeCounter(
         time: 60 * 60 * 1000,
         controller: controller,
         autoStart: false,
diff --git a/tdesign-component/lib/src/components/count_down/td_count_down.dart b/tdesign-component/lib/src/components/time_counter/td_time_counter.dart
similarity index 74%
rename from tdesign-component/lib/src/components/count_down/td_count_down.dart
rename to tdesign-component/lib/src/components/time_counter/td_time_counter.dart
index 806abcb43..854bebb9d 100644
--- a/tdesign-component/lib/src/components/count_down/td_count_down.dart
+++ b/tdesign-component/lib/src/components/time_counter/td_time_counter.dart
@@ -18,20 +18,21 @@ String _getMark(String format, String? type) {
 }
 
 /// 倒计时组件
-class TDCountDown extends StatefulWidget {
-  const TDCountDown({
+class TDTimeCounter extends StatefulWidget {
+  const TDTimeCounter({
     Key? key,
     this.autoStart = true,
     this.content = 'default',
     this.format = 'HH:mm:ss',
     this.millisecond = false,
-    this.size = TDCountDownSize.medium,
+    this.size = TDTimeCounterSize.medium,
     this.splitWithUnit = false,
-    this.theme = TDCountDownTheme.defaultTheme,
+    this.theme = TDTimeCounterTheme.defaultTheme,
     required this.time,
     this.style,
     this.onChange,
     this.onFinish,
+    this.direction = TDTimeCounterDirection.down,
     this.controller,
   }) : super(key: key);
 
@@ -48,19 +49,19 @@ class TDCountDown extends StatefulWidget {
   final bool millisecond;
 
   /// 倒计时尺寸
-  final TDCountDownSize size;
+  final TDTimeCounterSize size;
 
   /// 使用时间单位分割
   final bool splitWithUnit;
 
   /// 倒计时风格
-  final TDCountDownTheme theme;
+  final TDTimeCounterTheme theme;
 
   /// 必需；倒计时时长，单位毫秒
   final int time;
 
   /// 自定义样式，有则优先用它，没有则根据size和theme选取
-  final TDCountDownStyle? style;
+  final TDTimeCounterStyle? style;
 
   /// 时间变化时触发回调
   final Function(int time)? onChange;
@@ -68,24 +69,32 @@ class TDCountDown extends StatefulWidget {
   /// 倒计时结束时触发回调
   final VoidCallback? onFinish;
 
+  /// 计时方向，默认倒计时
+  final TDTimeCounterDirection direction;
+
   /// 控制器，可控制开始/暂停/继续/重置
-  final TDCountDownController? controller;
+  final TDTimeCounterController? controller;
 
   @override
-  _TDCountDownState createState() => _TDCountDownState();
+  _TDTimeCounterState createState() => _TDTimeCounterState();
 }
 
-class _TDCountDownState extends State<TDCountDown> with SingleTickerProviderStateMixin {
-  late TDCountDownStyle _style;
+class _TDTimeCounterState extends State<TDTimeCounter>
+    with SingleTickerProviderStateMixin {
+  late TDTimeCounterStyle _style;
   late Map<String, String> timeUnitMap;
   Ticker? _ticker;
   int _time = 0;
   int _tempMilliseconds = 0;
+  int _maxTime = 0;
 
   @override
   void initState() {
     super.initState();
-    _time = widget.time;
+    _maxTime = widget.time;
+    if (widget.direction == TDTimeCounterDirection.down) {
+      _time = widget.time;
+    }
     if (widget.autoStart) {
       startTimer();
     }
@@ -96,7 +105,7 @@ class _TDCountDownState extends State<TDCountDown> with SingleTickerProviderStat
   void didChangeDependencies() {
     super.didChangeDependencies();
     _style = widget.style ??
-        TDCountDownStyle.generateStyle(
+        TDTimeCounterStyle.generateStyle(
           context,
           size: widget.size,
           theme: widget.theme,
@@ -112,7 +121,7 @@ class _TDCountDownState extends State<TDCountDown> with SingleTickerProviderStat
   }
 
   @override
-  void didUpdateWidget(TDCountDown oldWidget) {
+  void didUpdateWidget(TDTimeCounter oldWidget) {
     super.didUpdateWidget(oldWidget);
     if (widget.controller != oldWidget.controller) {
       oldWidget.controller?.removeListener(_onControllerChanged);
@@ -134,13 +143,19 @@ class _TDCountDownState extends State<TDCountDown> with SingleTickerProviderStat
     }
     _tempMilliseconds = 0;
     _ticker ??= createTicker((Duration elapsed) {
-      if (_time > 0) {
-        _time = max(_time - (elapsed.inMilliseconds - _tempMilliseconds), 0);
+      if ((widget.direction == TDTimeCounterDirection.down && _time > 0) || widget.direction == TDTimeCounterDirection.up && _time <= _maxTime) {
+        setState(() {
+          if (widget.direction == TDTimeCounterDirection.down) {
+            _time = max(_time - (elapsed.inMilliseconds - _tempMilliseconds), 0);
+          } else {
+            _time = min(_time + (elapsed.inMilliseconds - _tempMilliseconds), _maxTime);
+          }
+        });
         _tempMilliseconds = elapsed.inMilliseconds;
         widget.onChange?.call(_time);
       } else {
         _time = 0;
-        _ticker!.stop();
+        _ticker!.dispose();
         widget.onFinish?.call();
       }
       setState(() {});
@@ -161,7 +176,12 @@ class _TDCountDownState extends State<TDCountDown> with SingleTickerProviderStat
   /// 重置倒计时
   void resetTimer([int? time]) {
     _ticker?.stop();
-    _time = time ?? widget.time;
+    if (widget.direction == TDTimeCounterDirection.down) {
+      _time = time ?? widget.time;
+    } else {
+      _time = 0;
+      _maxTime = time ?? widget.time;
+    }
     setState(() {});
     if (widget.autoStart) {
       startTimer();
@@ -170,16 +190,16 @@ class _TDCountDownState extends State<TDCountDown> with SingleTickerProviderStat
 
   void _onControllerChanged() {
     switch (widget.controller?.value) {
-      case TDCountDownStatus.start:
+      case TDTimeCounterStatus.start:
         startTimer();
         break;
-      case TDCountDownStatus.pause:
+      case TDTimeCounterStatus.pause:
         pauseTimer();
         break;
-      case TDCountDownStatus.resume:
+      case TDTimeCounterStatus.resume:
         resumeTimer();
         break;
-      case TDCountDownStatus.reset:
+      case TDTimeCounterStatus.reset:
         resetTimer(widget.controller?.time);
         break;
       default:
@@ -190,7 +210,8 @@ class _TDCountDownState extends State<TDCountDown> with SingleTickerProviderStat
   @override
   Widget build(BuildContext context) {
     if (widget.content == 'default') {
-      return Row(mainAxisSize: MainAxisSize.min, children: _buildTimeWidget(context));
+      return Row(
+          mainAxisSize: MainAxisSize.min, children: _buildTimeWidget(context));
     }
     if (widget.content is Function) {
       return widget.content(_time);
@@ -199,7 +220,9 @@ class _TDCountDownState extends State<TDCountDown> with SingleTickerProviderStat
   }
 
   List<Widget> _buildTimeWidget(BuildContext context) {
-    var format = widget.millisecond ? '${widget.format.replaceAll(':SSS', '')}:SSS' : widget.format;
+    var format = widget.millisecond
+        ? '${widget.format.replaceAll(':SSS', '')}:SSS'
+        : widget.format;
     var matches = _timeReg.allMatches(format);
     var timeMap = _getTimeMap(_time);
     return matches
@@ -266,6 +289,12 @@ class _TDCountDownState extends State<TDCountDown> with SingleTickerProviderStat
     var minutes = _toDigits(duration.inMinutes.remainder(60), 2);
     var seconds = _toDigits(duration.inSeconds.remainder(60), 2);
     var milliseconds = _toDigits(duration.inMilliseconds.remainder(1000), 3);
-    return {'DD': days, 'HH': hours, 'mm': minutes, 'ss': seconds, 'SSS': milliseconds};
+    return {
+      'DD': days,
+      'HH': hours,
+      'mm': minutes,
+      'ss': seconds,
+      'SSS': milliseconds
+    };
   }
 }
diff --git a/tdesign-component/lib/src/components/count_down/td_count_down_controller.dart b/tdesign-component/lib/src/components/time_counter/td_time_counter_controller.dart
similarity index 61%
rename from tdesign-component/lib/src/components/count_down/td_count_down_controller.dart
rename to tdesign-component/lib/src/components/time_counter/td_time_counter_controller.dart
index dc4c3d2a8..bd8af6f4e 100644
--- a/tdesign-component/lib/src/components/count_down/td_count_down_controller.dart
+++ b/tdesign-component/lib/src/components/time_counter/td_time_counter_controller.dart
@@ -1,7 +1,7 @@
 import 'package:flutter/cupertino.dart';
 
 /// 倒计时组件控制器转态
-enum TDCountDownStatus {
+enum TDTimeCounterStatus {
   /// 开始
   start,
 
@@ -19,8 +19,8 @@ enum TDCountDownStatus {
 }
 
 /// 倒计时组件控制器，可控制开始(`start()`)/暂停(`pause()`)/继续(`resume()`)/重置(`reset([int? time])`)
-class TDCountDownController extends ValueNotifier<TDCountDownStatus> {
-  TDCountDownController() : super(TDCountDownStatus.idle);
+class TDTimeCounterController extends ValueNotifier<TDTimeCounterStatus> {
+  TDTimeCounterController() : super(TDTimeCounterStatus.idle);
 
   int? _time;
 
@@ -28,27 +28,27 @@ class TDCountDownController extends ValueNotifier<TDCountDownStatus> {
 
   /// 开始
   void start() {
-    value = TDCountDownStatus.start;
+    value = TDTimeCounterStatus.start;
   }
 
   /// 暂停
   void pause() {
-    value = TDCountDownStatus.pause;
+    value = TDTimeCounterStatus.pause;
   }
 
   /// 继续
   void resume() {
-    value = TDCountDownStatus.resume;
+    value = TDTimeCounterStatus.resume;
   }
 
   /// 重置
   void reset([int? time]) {
-    if (value == TDCountDownStatus.reset && _time != time) {
+    if (value == TDTimeCounterStatus.reset && _time != time) {
        _time = time;
       notifyListeners();
     } else {
       _time = time;
-      value = TDCountDownStatus.reset;
+      value = TDTimeCounterStatus.reset;
     }
   }
 }
diff --git a/tdesign-component/lib/src/components/count_down/td_count_down_style.dart b/tdesign-component/lib/src/components/time_counter/td_time_counter_style.dart
similarity index 83%
rename from tdesign-component/lib/src/components/count_down/td_count_down_style.dart
rename to tdesign-component/lib/src/components/time_counter/td_time_counter_style.dart
index 5f5e658c5..bb9b6ae21 100644
--- a/tdesign-component/lib/src/components/count_down/td_count_down_style.dart
+++ b/tdesign-component/lib/src/components/time_counter/td_time_counter_style.dart
@@ -1,8 +1,16 @@
 import 'package:flutter/material.dart';
 import '../../../tdesign_flutter.dart';
 
+/// 计时组件计时方向
+enum TDTimeCounterDirection {
+  /// 倒计时
+  down,
+  /// 正向计时
+  up
+}
+
 /// 倒计时组件尺寸
-enum TDCountDownSize {
+enum TDTimeCounterSize {
   /// 小
   small,
 
@@ -14,7 +22,7 @@ enum TDCountDownSize {
 }
 
 /// 倒计时组件风格
-enum TDCountDownTheme {
+enum TDTimeCounterTheme {
   /// 默认
   defaultTheme,
 
@@ -26,8 +34,8 @@ enum TDCountDownTheme {
 }
 
 /// 倒计时组件样式
-class TDCountDownStyle {
-  TDCountDownStyle({
+class TDTimeCounterStyle {
+  TDTimeCounterStyle({
     this.timeWidth,
     this.timeHeight,
     this.timePadding,
@@ -91,17 +99,17 @@ class TDCountDownStyle {
   double? space;
 
   /// 生成默认样式
-  TDCountDownStyle.generateStyle(
+  TDTimeCounterStyle.generateStyle(
     BuildContext context, {
-    TDCountDownSize? size,
-    TDCountDownTheme? theme,
+    TDTimeCounterSize? size,
+    TDTimeCounterTheme? theme,
     bool? splitWithUnit,
   }) {
     timeFontFamily = TDTheme.defaultData().numberFontFamily;
     late Font? font;
-    switch (size ?? TDCountDownSize.medium) {
-      case TDCountDownSize.small:
-        if (theme == TDCountDownTheme.defaultTheme) {
+    switch (size ?? TDTimeCounterSize.medium) {
+      case TDTimeCounterSize.small:
+        if (theme == TDTimeCounterTheme.defaultTheme) {
           timeWidth = timeHeight = null;
           font = TDTheme.of(context).fontBodyMedium;
           timeFontSize = splitFontSize = font?.size ?? 14;
@@ -114,8 +122,8 @@ class TDCountDownStyle {
         }
         space = TDTheme.of(context).spacer4 / 2;
         break;
-      case TDCountDownSize.medium:
-        if (theme == TDCountDownTheme.defaultTheme) {
+      case TDTimeCounterSize.medium:
+        if (theme == TDTimeCounterTheme.defaultTheme) {
           timeWidth = timeHeight = null;
           font = TDTheme.of(context).fontBodyLarge;
           timeFontSize = splitFontSize = font?.size ?? 16;
@@ -128,8 +136,8 @@ class TDCountDownStyle {
         }
         space = TDTheme.of(context).spacer8 / 2;
         break;
-      case TDCountDownSize.large:
-        if (theme == TDCountDownTheme.defaultTheme) {
+      case TDTimeCounterSize.large:
+        if (theme == TDTimeCounterTheme.defaultTheme) {
           timeWidth = timeHeight = null;
           font = TDTheme.of(context).fontBodyExtraLarge;
           timeFontSize = splitFontSize = font?.size ?? 18;
@@ -143,8 +151,8 @@ class TDCountDownStyle {
         space = TDTheme.of(context).spacer12 / 2;
     }
 
-    switch (theme ?? TDCountDownTheme.defaultTheme) {
-      case TDCountDownTheme.round:
+    switch (theme ?? TDTimeCounterTheme.defaultTheme) {
+      case TDTimeCounterTheme.round:
         timeBox = BoxDecoration(
           shape: BoxShape.circle,
           color: TDTheme.of(context).errorColor6,
@@ -152,7 +160,7 @@ class TDCountDownStyle {
         timeColor = TDTheme.of(context).fontWhColor1;
         splitColor = TDTheme.of(context).errorColor6;
         break;
-      case TDCountDownTheme.square:
+      case TDTimeCounterTheme.square:
         timeBox = BoxDecoration(
           shape: BoxShape.rectangle,
           borderRadius: BorderRadius.circular(TDTheme.of(context).radiusSmall),
@@ -161,7 +169,7 @@ class TDCountDownStyle {
         timeColor = TDTheme.of(context).fontWhColor1;
         splitColor = TDTheme.of(context).errorColor6;
         break;
-      case TDCountDownTheme.defaultTheme:
+      case TDTimeCounterTheme.defaultTheme:
         timeBox = null;
         timeColor = splitColor = TDTheme.of(context).fontGyColor1;
         timeWidth = null;
diff --git a/tdesign-component/lib/src/theme/resource_delegate.dart b/tdesign-component/lib/src/theme/resource_delegate.dart
index caa6bcb08..f85264acb 100644
--- a/tdesign-component/lib/src/theme/resource_delegate.dart
+++ b/tdesign-component/lib/src/theme/resource_delegate.dart
@@ -86,19 +86,19 @@ abstract class TDResourceDelegate {
   /// [TDRefreshHeader] 松开刷新
   String get releaseRefresh;
 
-  /// [TDCountDown] 天
+  /// [TDTimeCounter] 天
   String get days;
 
-  /// [TDCountDown] 时
+  /// [TDTimeCounter] 时
   String get hours;
 
-  /// [TDCountDown] 分
+  /// [TDTimeCounter] 分
   String get minutes;
 
-  /// [TDCountDown] 秒
+  /// [TDTimeCounter] 秒
   String get seconds;
 
-  /// [TDCountDown] 毫秒
+  /// [TDTimeCounter] 毫秒
   String get milliseconds;
 }
 
diff --git a/tdesign-component/lib/tdesign_flutter.dart b/tdesign-component/lib/tdesign_flutter.dart
index 3efc7f50e..d0f12b8ba 100644
--- a/tdesign-component/lib/tdesign_flutter.dart
+++ b/tdesign-component/lib/tdesign_flutter.dart
@@ -13,9 +13,9 @@ export 'src/components/checkbox/td_check_box.dart';
 export 'src/components/checkbox/td_check_box_group.dart';
 export 'src/components/collapse/td_collapse.dart';
 export 'src/components/collapse/td_collapse_panel.dart';
-export 'src/components/count_down/td_count_down.dart';
-export 'src/components/count_down/td_count_down_controller.dart';
-export 'src/components/count_down/td_count_down_style.dart';
+export 'src/components/time_counter/td_time_counter.dart';
+export 'src/components/time_counter/td_time_counter_controller.dart';
+export 'src/components/time_counter/td_time_counter_style.dart';
 export 'src/components/dialog/td_dialog.dart';
 export 'src/components/divider/td_divider.dart';
 export 'src/components/drawer/td_drawer.dart';