diff --git a/lib/modules/meeting/controllers/meeting_record_controller.dart b/lib/modules/meeting/controllers/meeting_record_controller.dart
index 1db9aa78d..47e656df3 100644
--- a/lib/modules/meeting/controllers/meeting_record_controller.dart
+++ b/lib/modules/meeting/controllers/meeting_record_controller.dart
@@ -72,7 +72,7 @@ class MeetingRecordController extends GetxController
   late Animation<double> waveformAnimation;
   // 设置最大点数（根据屏幕宽度）
   void setMaxPoints(double screenWidth) {
-    maxPoints = screenWidth ~/ 2; // 每2像素一个数据点
+    maxPoints = screenWidth ~/ 3; // 增加数据点密度以填满整个区域
   }
 
   @override
@@ -377,7 +377,7 @@ class MeetingRecordController extends GetxController
     return _currentPosition.value / waveData.length;
   }
 
-  /// 添加处理后的音频数据 - 优化流动效果
+  /// 添加处理后的音频数据 - 优化全屏流动效果
   void _addAudioData(Float32List newAudio) {
     if (!isRecording.value) return;
 
@@ -389,8 +389,8 @@ class MeetingRecordController extends GetxController
     for (final sample in downsampled) {
       waveData.add(sample);
 
-      //维护合理的数据长度 - 保持滑动窗口效果
-      if (waveData.length > maxPoints) {
+      // 维护合理的数据长度 - 保持足够的数据以填满整个屏幕
+      if (waveData.length > maxPoints * 2) {
         waveData.removeAt(0); // 移除最旧的数据
       }
     }
diff --git a/lib/modules/meeting/views/meeting_record_view.dart b/lib/modules/meeting/views/meeting_record_view.dart
index 3784e9673..6ddb25a75 100644
--- a/lib/modules/meeting/views/meeting_record_view.dart
+++ b/lib/modules/meeting/views/meeting_record_view.dart
@@ -477,10 +477,10 @@ class RealTimeWaveformPainter extends CustomPainter {
     }
   }
 
-  /// 绘制中央时间参考线
+  /// 绘制中央时间参考线（只保留水平线）
   void _drawCenterLine(
       Canvas canvas, Size size, double centerX, double centerY) {
-    // 绘制水平中线
+    // 只绘制水平中线
     final horizontalLinePaint = Paint()
       ..color =
           (isDarkMode ? Colors.white : Colors.black).withValues(alpha: 0.15)
@@ -492,51 +492,25 @@ class RealTimeWaveformPainter extends CustomPainter {
       horizontalLinePaint,
     );
 
-    // 绘制垂直时间参考线（红色，更醒目）
-    final centerLinePaint = Paint()
-      ..color = Colors.red.withValues(alpha: 0.8)
-      ..strokeWidth = 2.0
-      ..style = PaintingStyle.stroke;
-
-    canvas.drawLine(
-      Offset(centerX, centerY - size.height * 0.4),
-      Offset(centerX, centerY + size.height * 0.4),
-      centerLinePaint,
-    );
-
-    // 在参考线顶部绘制小三角形指示器
-    final trianglePath = Path();
-    final triangleSize = 4.0;
-    trianglePath.moveTo(centerX, centerY - size.height * 0.4);
-    trianglePath.lineTo(
-        centerX - triangleSize, centerY - size.height * 0.4 - triangleSize);
-    trianglePath.lineTo(
-        centerX + triangleSize, centerY - size.height * 0.4 - triangleSize);
-    trianglePath.close();
-
-    final trianglePaint = Paint()
-      ..color = Colors.red
-      ..style = PaintingStyle.fill;
-
-    canvas.drawPath(trianglePath, trianglePaint);
+    // 移除垂直时间参考线和三角形指示器
   }
 
-  /// 绘制实时流动波形
+  /// 绘制实时流动波形（扩散到整个区域）
   void _drawWaveform(Canvas canvas, Size size, double centerX, double centerY) {
     final barWidth = 2.5; // 波形条宽度
     final barSpacing = 0.5; // 波形条间距
     final totalBarWidth = barWidth + barSpacing;
 
-    // 计算中央参考线左侧可以显示多少个波形条
-    final maxBarsOnLeft = (centerX / totalBarWidth).floor();
+    // 计算整个宽度可以显示多少个波形条
+    final maxBars = (size.width / totalBarWidth).floor();
 
-    // 绘制左侧流动波形（历史数据，从右向左流动）
-    _drawLeftWaveform(
-        canvas, centerX, centerY, barWidth, totalBarWidth, maxBarsOnLeft);
+    // 绘制扩散到整个区域的波形
+    _drawFullWaveform(
+        canvas, size, centerY, barWidth, totalBarWidth, maxBars);
   }
 
-  /// 绘制左侧历史波形（从右向左流动）
-  void _drawLeftWaveform(Canvas canvas, double centerX, double centerY,
+  /// 绘制扩散到整个区域的波形
+  void _drawFullWaveform(Canvas canvas, Size size, double centerY,
       double barWidth, double totalBarWidth, int maxBars) {
     final dataLength = waveData.length;
     if (dataLength == 0) return;
@@ -544,24 +518,25 @@ class RealTimeWaveformPainter extends CustomPainter {
     // 计算流动偏移量
     final flowOffset = animationValue * totalBarWidth;
 
-    // 绘制最近的波形条（最多显示maxBars个）
+    // 绘制波形条，从左到右填满整个区域
     final displayCount = min(dataLength, maxBars);
 
     for (int i = 0; i < displayCount; i++) {
-      // 计算波形条的x位置：从参考线开始，向左排列，加上流动偏移
-      final x = centerX - (i + 1) * totalBarWidth + flowOffset;
+      // 计算波形条的x位置：从左边开始排列，加上流动偏移
+      final x = i * totalBarWidth + flowOffset;
 
+      // 如果波形条完全移出屏幕右侧，跳过绘制
+      if (x > size.width) continue;
       // 如果波形条完全移出屏幕左侧，跳过绘制
       if (x + barWidth < 0) continue;
 
-      // 获取对应的音频数据（最新的数据在数组末尾）
-      final dataIndex = dataLength - 1 - i;
-      if (dataIndex < 0) continue;
-
+      // 获取对应的音频数据（循环使用数据以填满整个区域）
+      final dataIndex = (dataLength - 1 - (i % dataLength)) % dataLength;
       final amplitude = waveData[dataIndex];
 
-      // 计算透明度：越远的波形条越透明
-      final opacity = (1.0 - (i / displayCount) * 0.6).clamp(0.2, 1.0);
+      // 计算透明度：中央区域更亮，边缘渐暗
+      final distanceFromCenter = (x - size.width / 2).abs() / (size.width / 2);
+      final opacity = (1.0 - distanceFromCenter * 0.4).clamp(0.3, 1.0);
 
       _drawWaveBar(canvas, x, centerY, barWidth, amplitude, opacity);
     }