diff --git a/examples/stereo/src/app/master.rs b/examples/stereo/src/app/master.rs
index 796dd95..f6cd567 100644
--- a/examples/stereo/src/app/master.rs
+++ b/examples/stereo/src/app/master.rs
@@ -217,6 +217,8 @@ pub async fn run_master(master_role: ChannelRole) -> Result<()> {
                         let wait = target_ts - now;
                         if wait > 1000 {
                             tokio::time::sleep(Duration::from_micros(wait as u64)).await;
+                        } else {
+                            // 小于 1ms，直接播放，让播放时机稍微早一点点
                         }
                     }
                 } else {
diff --git a/examples/stereo/src/app/slave.rs b/examples/stereo/src/app/slave.rs
index 98f5c0d..7ab3d6e 100644
--- a/examples/stereo/src/app/slave.rs
+++ b/examples/stereo/src/app/slave.rs
@@ -170,7 +170,6 @@ async fn handle_connection(role: ChannelRole) -> Result<()> {
             last_seq = Some(pkt.seq);
 
             // 精确等待到播放时间
-            // 策略: 距离远时 sleep，距离近时忙等
             loop {
                 let now = now_us();
                 let current_server_time_precise = clock.lock().await.to_server_time(now);
@@ -181,14 +180,10 @@ async fn handle_connection(role: ChannelRole) -> Result<()> {
 
                 let wait_us = (pkt.timestamp - current_server_time_precise) as u64;
 
-                if wait_us > 5000 {
-                    // 等待时间 >5ms: sleep 大部分时间
-                    tokio::time::sleep(Duration::from_micros(wait_us - 3000)).await;
-                } else if wait_us > 1000 {
-                    // 等待时间 1-5ms: yield 让出 CPU
-                    tokio::task::yield_now().await;
+                if wait_us > 1000 {
+                    tokio::time::sleep(Duration::from_micros(wait_us as u64)).await;
                 } else {
-                    // 等待时间 <1ms: 直接 break，让播放时机稍微早一点点
+                    // 小于 1ms，直接播放，让播放时机稍微早一点点
                     break;
                 }
             }
diff --git a/examples/stereo/src/audio/player.rs b/examples/stereo/src/audio/player.rs
index ffb28b9..fe38f5f 100644
--- a/examples/stereo/src/audio/player.rs
+++ b/examples/stereo/src/audio/player.rs
@@ -52,18 +52,19 @@ fn setup_pcm(pcm: &PCM, sample_rate: u32, channels: u16) -> Result<()> {
     hwp.set_rate(sample_rate, alsa::ValueOr::Nearest)?;
     hwp.set_channels(channels as u32)?;
 
-    // // 设置较大的缓冲区以减少由于调度抖动导致的断音
-    // // 48000Hz * 0.2s = 9600 samples
-    // let buffer_size = (sample_rate as f64 * 0.2) as u32;
-    // let period_size = buffer_size / 4;
-    // hwp.set_buffer_size_near(buffer_size as alsa::pcm::Frames)?;
-    // hwp.set_period_size_near(period_size as alsa::pcm::Frames, alsa::ValueOr::Nearest)?;
+    // 设置较大的缓冲区以减少由于调度抖动和设备重初始化导致的断音/卡顿
+    // 使用 100ms 缓冲区，既能防止 underrun，又不会引入过大延迟
+    let buffer_size = (sample_rate as f64 * 0.1) as u32; // 100ms 缓冲
+    let period_size = buffer_size / 4; // 25ms 周期
+    hwp.set_buffer_size_near(buffer_size as alsa::pcm::Frames)?;
+    hwp.set_period_size_near(period_size as alsa::pcm::Frames, alsa::ValueOr::Nearest)?;
 
     pcm.hw_params(&hwp).context("Failed to set HwParams")?;
 
     let swp = pcm.sw_params_current()?;
-    // 设置 start_threshold 为 buffer_size 的一半，确保缓冲区有足够数据再开始播放
-    // swp.set_start_threshold(buffer_size as alsa::pcm::Frames / 2)?;
+    // 设置 start_threshold，当缓冲区有 1 个 period 数据时就开始播放
+    // 这样可以快速启动，同时保持足够的缓冲余量
+    swp.set_start_threshold(period_size as alsa::pcm::Frames)?;
     pcm.sw_params(&swp)?;
     pcm.prepare()?;
     Ok(())