diff --git a/scripts/profile.ps1 b/scripts/profile.ps1
new file mode 100644
index 0000000..c8ccade
--- /dev/null
+++ b/scripts/profile.ps1
@@ -0,0 +1,332 @@
+#requires -Version 5.1
+
+[CmdletBinding()]
+param(
+    [Parameter(Position = 0)]
+    [int]$Duration = 8,
+
+    [switch]$NoLaunch,
+    [switch]$Trace,
+    [switch]$Help
+)
+
+if ($Help) {
+    $helpLines = @(
+        "用法: .\scripts\profile.ps1 [秒数] [-NoLaunch] [-Trace]"
+        ""
+        "选项:"
+        "  秒数       抓取时长（默认 8 秒）"
+        "  -NoLaunch  不自动启动应用"
+        "  -Trace     使用 trace 构建（release 优化 + 保留 trace 标记）"
+        "  -Help      显示此帮助"
+    )
+    $helpLines | ForEach-Object { Write-Host $_ }
+    exit 0
+}
+
+$PACKAGE      = "plus.rua.project"
+$ACTIVITY     = "plus.rua.project.MainActivity"
+$PROJECT_ROOT = Split-Path -Parent $PSScriptRoot
+$LOGS_DIR     = Join-Path $PROJECT_ROOT "logs"
+
+$DURATION_MS  = $Duration * 1000
+$TIMESTAMP    = Get-Date -Format "yyyyMMdd_HHmmss"
+
+Write-Host "========================================"
+Write-Host "  YaYa 性能追踪"
+Write-Host "  包名: $PACKAGE"
+Write-Host "  时长: ${Duration}s"
+if ($Trace) {
+    Write-Host "  构建: trace (release + trace)"
+} else {
+    Write-Host "  构建: debug"
+}
+Write-Host "  输出: $LOGS_DIR/"
+Write-Host "========================================"
+
+New-Item -ItemType Directory -Force -Path $LOGS_DIR | Out-Null
+
+$adb = Get-Command adb -ErrorAction SilentlyContinue
+if (-not $adb) {
+    Write-Error "adb 未找到。请确保 Android SDK 的 platform-tools 在 PATH 中。"
+    exit 1
+}
+
+$deviceLines = & adb devices | Select-String "device$"
+$deviceCount = ($deviceLines | Measure-Object).Count
+if ($deviceCount -eq 0) {
+    Write-Error "没有已连接的 Android 设备。"
+    exit 1
+}
+if ($deviceCount -gt 1) {
+    Write-Warning "检测到多个设备，将使用默认设备。"
+}
+
+$installed = & adb shell pm list packages | Select-String $PACKAGE
+if (-not $installed) {
+    Write-Error "应用 $PACKAGE 未安装。请先运行 .\gradlew :app:installDebug"
+    if ($Trace) {
+        Write-Host "       或使用 .\gradlew :app:installTrace 安装 trace 构建"
+    }
+    exit 1
+}
+
+if (-not $NoLaunch) {
+    Write-Host ""
+    Write-Host "[1/5] 启动应用..."
+    & adb shell am start -n "$PACKAGE/$ACTIVITY" 2>$null
+    Start-Sleep -Seconds 2
+} else {
+    Write-Host ""
+    Write-Host "[1/5] 跳过启动 (-NoLaunch)"
+}
+
+Write-Host ""
+Write-Host "[2/5] 抓取 Perfetto trace (${Duration}s)..."
+Write-Host "      请在设备上操作应用，trace 正在记录..."
+
+$TRACE_FILE    = "/data/misc/perfetto-traces/yaya_${TIMESTAMP}.perfetto-trace"
+$LOCAL_TRACE   = Join-Path $LOGS_DIR "trace_${TIMESTAMP}.perfetto-trace"
+$LOCAL_CONFIG  = Join-Path $LOGS_DIR ".perfetto_config_${TIMESTAMP}.txt"
+$DEVICE_CONFIG = "/data/misc/perfetto-configs/yaya_config_${TIMESTAMP}.txt"
+
+$perfettoLines = @(
+    "buffers {"
+    "  size_kb: 131072"
+    "  fill_policy: RING_BUFFER"
+    "}"
+    "buffers {"
+    "  size_kb: 4096"
+    "  fill_policy: RING_BUFFER"
+    "}"
+    "data_sources {"
+    "  config {"
+    "    name: `"linux.ftrace`""
+    "    ftrace_config {"
+    "      ftrace_events: `"sched/sched_switch`""
+    "      ftrace_events: `"sched/sched_wakeup`""
+    "      ftrace_events: `"power/cpu_frequency`""
+    "      ftrace_events: `"power/cpu_idle`""
+    "      atrace_categories: `"gfx`""
+    "      atrace_categories: `"view`""
+    "      atrace_categories: `"wm`""
+    "      atrace_categories: `"am`""
+    "      atrace_categories: `"input`""
+    "      atrace_categories: `"sched`""
+    "      atrace_categories: `"freq`""
+    "      atrace_categories: `"idle`""
+    "      atrace_apps: `"$PACKAGE`""
+    "    }"
+    "  }"
+    "}"
+    "data_sources {"
+    "  config {"
+    "    name: `"android.gpu.memory`""
+    "  }"
+    "}"
+    "data_sources {"
+    "  config {"
+    "    name: `"android.surfaceflinger.frametimeline`""
+    "  }"
+    "}"
+    "data_sources {"
+    "  config {"
+    "    name: `"linux.process_stats`""
+    "    target_buffer: 1"
+    "    process_stats_config {"
+    "      scan_all_processes_on_start: true"
+    "    }"
+    "  }"
+    "}"
+    "duration_ms: $DURATION_MS"
+)
+$perfettoConfig = $perfettoLines -join "`r`n"
+
+$perfettoConfig | Set-Content -Encoding UTF8 -Path $LOCAL_CONFIG
+
+& adb push "$LOCAL_CONFIG" "$DEVICE_CONFIG" | Out-Null
+Remove-Item -Force -Path $LOCAL_CONFIG -ErrorAction SilentlyContinue
+
+& adb shell "perfetto --txt -c $DEVICE_CONFIG -o $TRACE_FILE"
+& adb shell "rm -f $DEVICE_CONFIG"
+
+Write-Host "      拉取 trace 文件..."
+& adb pull "$TRACE_FILE" "$LOCAL_TRACE"
+& adb shell "rm -f $TRACE_FILE" 2>$null
+
+Write-Host ""
+Write-Host "[3/5] 抓取帧统计..."
+$FRAMESTATS_FILE = Join-Path $LOGS_DIR "framestats_${TIMESTAMP}.txt"
+& adb shell dumpsys gfxinfo "$PACKAGE" framestats | Set-Content -Encoding UTF8 -Path $FRAMESTATS_FILE
+
+Write-Host ""
+Write-Host "[4/5] 抓取内存信息..."
+$MEMINFO_FILE = Join-Path $LOGS_DIR "meminfo_${TIMESTAMP}.txt"
+& adb shell dumpsys meminfo "$PACKAGE" | Set-Content -Encoding UTF8 -Path $MEMINFO_FILE
+
+Write-Host ""
+Write-Host "[5/5] 生成摘要..."
+$REPORT_FILE = Join-Path $LOGS_DIR "report_${TIMESTAMP}.md"
+
+$frameStatsContent = Get-Content -Path $FRAMESTATS_FILE -Raw
+$FRAME_COUNT = ([regex]::Matches($frameStatsContent, "FrameTimeline")).Count
+
+function Get-FirstMatchValue {
+    param([string]$Pattern, [string]$Content, [int]$CaptureGroup = 1)
+    $m = [regex]::Match($Content, $Pattern)
+    if ($m.Success) { $m.Groups[$CaptureGroup].Value.Trim() } else { "" }
+}
+
+$TOTAL_FRAMES = Get-FirstMatchValue "Total frames rendered:\s*(\d+)"    $frameStatsContent
+$JANKY_FRAMES = Get-FirstMatchValue "Janky frames:\s*(\d+)"             $frameStatsContent
+$JANKY_PERCENT = Get-FirstMatchValue "Janky frames:.*?\(([^)]+)\)"      $frameStatsContent
+$P50           = Get-FirstMatchValue "50th percentile:\s*([\d.]+)"       $frameStatsContent
+$P90           = Get-FirstMatchValue "90th percentile:\s*([\d.]+)"       $frameStatsContent
+$P99           = Get-FirstMatchValue "99th percentile:\s*([\d.]+)"       $frameStatsContent
+$SLOW_UI       = Get-FirstMatchValue "Number Slow UI thread:\s*(\d+)"   $frameStatsContent
+$SLOW_DRAW     = Get-FirstMatchValue "Number Slow issue draw commands:\s*(\d+)" $frameStatsContent
+$HIGH_INPUT    = Get-FirstMatchValue "Number High input latency:\s*(\d+)"        $frameStatsContent
+
+$APP_VERSION = (& adb shell dumpsys package "$PACKAGE" | Select-String "versionName" | Select-Object -First 1) -replace ".*versionName=", "" -replace "\s.*", "" -replace "`r", ""
+if (-not $APP_VERSION) { $APP_VERSION = "unknown" }
+
+$DEVICE_MODEL = (& adb shell getprop ro.product.model 2>$null).Trim()
+$ANDROID_VERSION = (& adb shell getprop ro.build.version.release 2>$null).Trim()
+
+$memInfoContent = Get-Content -Path $MEMINFO_FILE -Raw
+$TOTAL_PSS  = Get-FirstMatchValue "TOTAL PSS:\s*(\d+)"  $memInfoContent
+$JAVA_HEAP  = Get-FirstMatchValue "^\s*Java Heap:\s*(\d+)" $memInfoContent
+$NATIVE_HEAP = Get-FirstMatchValue "^\s*Native Heap:\s*(\d+)" $memInfoContent
+$GRAPHICS   = Get-FirstMatchValue "^\s*Graphics:\s*(\d+)" $memInfoContent
+
+$buildType = if ($Trace) { "trace" } else { "debug" }
+$now = Get-Date -Format "yyyy-MM-dd HH:mm:ss"
+
+$reportLines = @(
+    "# YaYa 性能追踪报告"
+    ""
+    "**时间:** $now"
+    "**设备:** $DEVICE_MODEL (Android $ANDROID_VERSION)"
+    "**应用版本:** $APP_VERSION"
+    "**构建类型:** $buildType"
+    "**追踪时长:** ${Duration}s"
+    ""
+    "## 文件清单"
+    ""
+    "| 文件 | 说明 |"
+    "|------|-------------|"
+    "| ``trace_${TIMESTAMP}.perfetto-trace`` | Perfetto trace（在 https://ui.perfetto.dev 中打开） |"
+    "| ``framestats_${TIMESTAMP}.txt`` | GPU 帧统计 |"
+    "| ``meminfo_${TIMESTAMP}.txt`` | 内存快照 |"
+    "| ``report_${TIMESTAMP}.md`` | 本报告 |"
+    ""
+    "## 帧率摘要"
+    ""
+    "| 指标 | 数值 |"
+    "|------|------|"
+    "| 总渲染帧数 | $TOTAL_FRAMES |"
+    "| 掉帧数 | $JANKY_FRAMES |"
+    "| 掉帧比例 | $JANKY_PERCENT |"
+    "| 50th percentile | $P50 |"
+    "| 90th percentile | $P90 |"
+    "| 99th percentile | $P99 |"
+    "| Slow UI thread | $SLOW_UI |"
+    "| Slow draw commands | $SLOW_DRAW |"
+    "| High input latency | $HIGH_INPUT |"
+    ""
+    "## 内存摘要"
+    ""
+    "| 指标 | 数值 (KB) |"
+    "|------|----------|"
+    "| Total PSS | $TOTAL_PSS |"
+    "| Java Heap | $JAVA_HEAP |"
+    "| Native Heap | $NATIVE_HEAP |"
+    "| Graphics | $GRAPHICS |"
+    ""
+    "## Perfetto 分析指南"
+    ""
+    "打开 [Perfetto UI](https://ui.perfetto.dev)，上传 trace 文件："
+    ""
+    "### 1. 查看 Compose 自定义标记"
+    "搜索以下 trace section："
+    ""
+    "**月视图相关：**"
+    "- ``MonthView:Compose`` — 月视图整体重组"
+    "- ``CalendarPagerArea`` — 日历分页器区域重组"
+    "- ``CalendarPager:Page`` — 月视图单页重组"
+    "- ``WeekPager:Page`` — 周视图单页重组"
+    "- ``getMonthDays:*`` — 月份网格计算"
+    ""
+    "**年视图相关：**"
+    "- ``YearView:Compose`` — 年视图整体重组"
+    "- ``YearGridView:*`` — 年视图网格重组"
+    "- ``generateMiniMonthDays:*`` — 迷你月日期计算"
+    "- ``YearView:SelectMonth`` — 年视图选择月份"
+    ""
+    "**转场动画：**"
+    "- ``MonthView->YearView`` — 月->年视图切换"
+    "- ``YearView->MonthView`` — 年->月视图切换"
+    "- ``VM:collapseProgress`` — 折叠动画状态更新"
+    ""
+    "**单日单元格：**"
+    "- ``DayCell`` — 单个日期单元格（通过 transition label）"
+    ""
+    "### 2. 分析帧率"
+    "在 ``framestats_${TIMESTAMP}.txt`` 中查看："
+    "- ``FrameTimeline`` 行 — 每帧的 CPU/GPU 耗时"
+    "- ``jank`` 标记 — 掉帧情况"
+    ""
+    "### 3. 内存分析"
+    "在 ``meminfo_${TIMESTAMP}.txt`` 中关注："
+    "- ``TOTAL`` 行 — 应用总内存占用"
+    "- ``Graphics`` 行 — GPU 内存使用"
+    "- ``Native Heap`` 行 — 原生堆内存"
+    ""
+    "### 4. 年月视图切换专项分析"
+    ""
+    "在 Perfetto 中按以下步骤分析转场性能："
+    ""
+    "1. 找到 ``MonthView->YearView`` 或 ``YearView->MonthView`` 标记"
+    "2. 查看标记前后 500ms 的帧数据："
+    "   - 查找超过 16.67ms 的帧（Choreographer#doFrame）"
+    "   - 检查是否有连续多帧超过预算"
+    "3. 同时搜索 ``MonthView:Compose`` 和 ``YearView:Compose``，观察重组重叠情况"
+    "4. 查看 ``YearGridView:*`` 的耗时，年视图 12 个月网格的计算和绘制成本"
+    ""
+    "## 基线对比方法"
+    ""
+    "要对比优化前后的性能："
+    ""
+    "``````powershell"
+    "# 1. 记录当前数据作为基线"
+    ".\scripts\profile.ps1 -Trace 15"
+    ""
+    "# 2. 修改代码后重新编译"
+    ".\gradlew :app:installTrace"
+    ""
+    "# 3. 再次记录"
+    ".\scripts\profile.ps1 -Trace 15"
+    ""
+    "# 4. 对比两个 report 中的帧率摘要表格"
+    "``````"
+)
+$report = $reportLines -join "`r`n"
+
+$report | Set-Content -Encoding UTF8 -Path $REPORT_FILE
+
+Write-Host ""
+Write-Host "========================================"
+Write-Host "  完成！"
+Write-Host "========================================"
+Write-Host ""
+Write-Host "输出文件:"
+Write-Host "  trace:      $LOCAL_TRACE"
+Write-Host "  framestats: $FRAMESTATS_FILE"
+Write-Host "  meminfo:    $MEMINFO_FILE"
+Write-Host "  report:     $REPORT_FILE"
+Write-Host ""
+Write-Host "下一步:"
+Write-Host "  1. 打开 https://ui.perfetto.dev"
+Write-Host "  2. 上传 trace_${TIMESTAMP}.perfetto-trace"
+Write-Host "  3. 搜索 'MonthView->YearView' 查看转场 trace"
+Write-Host ""