diff --git a/docs/5-advanced/02c-agent-permissions.md b/docs/5-advanced/02c-agent-permissions.md
index 00a4a11..7190415 100644
--- a/docs/5-advanced/02c-agent-permissions.md
+++ b/docs/5-advanced/02c-agent-permissions.md
@@ -337,7 +337,7 @@ task 权限控制 **Agent 可以调用哪些 subagent**。
 Task 工具的完整参数定义如下：
 
 | 参数 | 类型 | 必需 | 说明 |
-|------|------|------|
+|------|------|------|------|
 | `description` | string | 是 | 任务描述（3-5 个词），用作子会话标题 |
 | `prompt` | string | 是 | 子代理要执行的任务提示 |
 | `subagent_type` | string | 是 | 要调用的子代理名称（必须是非 primary agent） |
diff --git a/package.json b/package.json
index be4a320..4631a1a 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,9 @@
   "scripts": {
     "dev": "bash scripts/stats.sh && vitepress dev docs",
     "build": "bash scripts/stats.sh && vitepress build docs",
-    "preview": "vitepress preview docs"
+    "preview": "vitepress preview docs",
+    "dev:win": "powershell -ExecutionPolicy Bypass -File scripts/stats.ps1 && vitepress dev docs",
+    "build:win": "powershell -ExecutionPolicy Bypass -File scripts/stats.ps1 && vitepress build docs"
   },
   "keywords": [
     "opencode",
diff --git a/scripts/stats.ps1 b/scripts/stats.ps1
new file mode 100644
index 0000000..a118210
--- /dev/null
+++ b/scripts/stats.ps1
@@ -0,0 +1,61 @@
+# Statistics Tutorial Word Count and Notes (Word-style)
+# Chinese: each Han character counts as 1 word
+# English: each word counts as 1 word
+
+function Count-Words {
+    param([string]$FilePath)
+    
+    # Read file content (UTF-8 encoding)
+    $content = Get-Content -Path $FilePath -Raw -Encoding UTF8
+    
+    # Remove frontmatter (content between ---)
+    $content = $content -replace '^---\r?\n.*?\r?\n---\r?\n', ''
+    
+    # Count Chinese characters (Unicode range: \u4e00-\u9fff)
+    $chineseMatches = [regex]::Matches($content, '[\u4e00-\u9fff]')
+    $cnCount = $chineseMatches.Count
+    
+    # Remove Chinese characters
+    $noChinese = $content -replace '[\u4e00-\u9fff]', ' '
+    
+    # Remove Markdown syntax and punctuation
+    $cleaned = $noChinese -replace '[#*|`[(){}<>:,:,.!?,,;""''''—...·\-_=+\/\\@$%^&~]', ' '
+    
+    # Count English words
+    $englishMatches = [regex]::Matches($cleaned, '[a-zA-Z][a-zA-Z0-9]*')
+    $enCount = $englishMatches.Count
+    
+    return $cnCount + $enCount
+}
+
+# Count all .md files under docs (excluding .vitepress directory)
+$total = 0
+$mdFiles = Get-ChildItem -Path docs -Filter *.md -Recurse -File |
+           Where-Object { $_.FullName -notmatch '\\.vitepress\\' }
+
+foreach ($file in $mdFiles) {
+    $count = Count-Words -FilePath $file.FullName
+    $total += $count
+}
+
+# Count 4K HD notes
+try {
+    $notes = (Get-ChildItem -Path docs\public\images -Filter *-notes.jpeg -Recurse -File |
+              Where-Object { $_.Name -notmatch '\.mini\.jpeg$' }).Count
+} catch {
+    $notes = 0
+}
+
+# Generate JSON object
+$stats = @{
+    wordCount = $total
+    notesCount = $notes
+}
+
+# Write JSON file
+$stats | ConvertTo-Json | Out-File -FilePath docs\data\stats.json -Encoding UTF8 -Force
+
+# Output results
+Write-Host "Tutorial word count: $total"
+Write-Host "4K notes: $notes images"
+Write-Host "OK: docs\data\stats.json has been generated"