diff --git a/src/MainWindow.cpp b/src/MainWindow.cpp
index 13d459d..93777ed 100644
--- a/src/MainWindow.cpp
+++ b/src/MainWindow.cpp
@@ -750,12 +750,10 @@ void MainWindow::changeChannelParticleCount(QList<ParticleData> &data)
     bool hasError = false;
     QHash<uint, QString> newChannelFiles; // 本次新增的通道文件
 
-    // 处理每个通道的计数更新
     for (auto channelIt = deltaCounts.constBegin(); channelIt != deltaCounts.constEnd(); ++channelIt) {
         uint channel_num = channelIt.key();
         const auto& addressDeltas = channelIt.value();
 
-        // 关键优化：如果是新通道，初始化4096个道址为0
         if (!channel_address_counts.contains(channel_num)) {
             std::array<unsigned long long, 4096> initCounts;
             initCounts.fill(0); // 所有道址初始化为0
@@ -770,7 +768,6 @@ void MainWindow::changeChannelParticleCount(QList<ParticleData> &data)
             channelCounts[address] += delta;
         }
 
-        // 获取或创建通道文件名
         QString count_data_filename;
         if (particle_count_filename_list.contains(channel_num)) {
             count_data_filename = particle_count_filename_list[channel_num];
@@ -781,7 +778,6 @@ void MainWindow::changeChannelParticleCount(QList<ParticleData> &data)
             newChannelFiles.insert(channel_num, count_data_filename);
         }
 
-        // 重写整个CSV文件（Truncate模式）
         QFile outFile(count_data_filename);
         if (!outFile.open(QIODevice::WriteOnly | QIODevice::Text | QIODevice::Truncate)) {
             LOG_ERROR(QStringLiteral(u"无法打开通道%1的计数文件: %2，错误: %3")
@@ -798,10 +794,8 @@ void MainWindow::changeChannelParticleCount(QList<ParticleData> &data)
         // 写入表头
         out << QStringLiteral(u"道址,计数\n");
 
-        // 关键修改：写入完整的0-4095道址数据
         QString csvBuffer;
-        csvBuffer.reserve(4096 * 32); // 预分配足够内存（约128KB）
-
+        csvBuffer.reserve(4096 * 32);
         for (int address = 0; address < 4096; ++address) {
             unsigned long long total = channelCounts[address];
             csvBuffer += QString("%1,%2\n").arg(address).arg(total);