diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..53124f5
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+  "files.trimTrailingWhitespace": true
+}
\ No newline at end of file
diff --git a/photo-toolkit.sh b/photo-toolkit.sh
new file mode 100755
index 0000000..2345677
--- /dev/null
+++ b/photo-toolkit.sh
@@ -0,0 +1,7 @@
+#!/bin/bash
+
+# 图片工具箱启动脚本
+# 快速启动 photo-toolkit
+
+cd "$(dirname "$0")/photo-toolkit"
+node index.js
diff --git a/photo-toolkit/format.js b/photo-toolkit/format.js
index c980c80..2df2d4c 100644
--- a/photo-toolkit/format.js
+++ b/photo-toolkit/format.js
@@ -36,10 +36,13 @@ function processImage(inputPath, outputPath) {
         { stdio: 'inherit' }
       );
     } else {
-      const newSize = getTargetSize(type, dimensions.width, dimensions.height);
-      console.log(`   目标尺寸: ${newSize}`);
+      const target = getTargetSize(type, dimensions.width, dimensions.height);
+      console.log(`   目标尺寸: ${target.size}${target.crop ? '' : ' (保持比例)'}`);
+      const resizeArgs = target.crop
+        ? `-gravity center -resize "${target.size}^" -extent "${target.size}"`
+        : `-resize "${target.size}"`;
       execSync(
-        `magick "${inputPath}" -gravity center -resize "${newSize}^" -extent "${newSize}" -quality 80 "${finalOutputPath}"`,
+        `magick "${inputPath}" ${resizeArgs} -quality 80 "${finalOutputPath}"`,
         { stdio: 'inherit' }
       );
     }
@@ -67,7 +70,7 @@ function processImage(inputPath, outputPath) {
 async function runFormatTool(rl) {
   console.log('\n🎨 图片格式转换工具');
   console.log('='.repeat(50));
-  console.log('支持类型: iPhone (4:3 JPG) · 索尼相机 (3:2 JPG) · 截图 (WebP)');
+  console.log('支持类型: iPhone (4:3 JPG) · 索尼相机 (3:2 JPG) · 截图 (WebP) · 小米手机 (4:3 JPG)');
 
   const inputDir = await question(rl, '\n📁 请输入图片所在目录 (留空使用当前目录): ');
   const sourceDir = inputDir.trim() || process.cwd();
diff --git a/photo-toolkit/utils.js b/photo-toolkit/utils.js
index 2f7624a..81ea778 100644
--- a/photo-toolkit/utils.js
+++ b/photo-toolkit/utils.js
@@ -5,12 +5,14 @@ const readline = require('readline');
 const IMAGE_TYPES = {
   IPHONE: 'iphone',
   SONY: 'sony',
+  XIAOMI: 'xiaomi',
   SCREENSHOT: 'screenshot',
 };
 
 const IMAGE_TYPE_LABELS = {
   [IMAGE_TYPES.IPHONE]: '📱 iPhone (4:3)',
   [IMAGE_TYPES.SONY]: '📷 索尼相机 (3:2)',
+  [IMAGE_TYPES.XIAOMI]: '📱 小米手机 (4:3)',
   [IMAGE_TYPES.SCREENSHOT]: '🖼️  截图 → WebP',
 };
 
@@ -72,14 +74,22 @@ function detectImageType(filePath, dimensions) {
   const makeUpper = make.toUpperCase();
   const modelUpper = model.toUpperCase();
 
+  // 我的 iPhone
   if (makeUpper === 'APPLE' || modelUpper.includes('IPHONE')) {
     return { type: IMAGE_TYPES.IPHONE, reason: `EXIF: ${make} ${model}`.trim() };
   }
 
+  // 老妈小米 11 青春版
+  if (makeUpper === 'XIAOMI' || modelUpper.includes('M2101K9C')) {
+    return { type: IMAGE_TYPES.XIAOMI, reason: `EXIF: ${make} ${model}`.trim() };
+  }
+
+  // 索尼相机
   if (makeUpper.includes('SONY') || modelUpper.includes('ILCE') || modelUpper.startsWith('DSC-')) {
     return { type: IMAGE_TYPES.SONY, reason: `EXIF: ${make} ${model}`.trim() };
   }
 
+  // iPhone
   if (['.heic', '.heif'].includes(ext)) {
     return { type: IMAGE_TYPES.IPHONE, reason: 'HEIC/HEIF 格式' };
   }
@@ -90,18 +100,19 @@ function detectImageType(filePath, dimensions) {
 }
 
 // 根据类型和方向获取目标尺寸，截图为 null（不裁剪）
+// 索尼返回 ImageMagick 缩放规格（如 2250x），按原图宽高比缩放、不裁剪
 function getTargetSize(type, width, height) {
   const landscape = width >= height;
 
   switch (type) {
     case IMAGE_TYPES.IPHONE:
-      return landscape ? '2000x1500' : '1500x2000';
+      return { size: landscape ? '2000x1500' : '1500x2000', crop: true };
     case IMAGE_TYPES.SONY:
-      return landscape ? '2250x1500' : '1500x2250';
+      return { size: landscape ? '2250x' : 'x2250', crop: false };
     case IMAGE_TYPES.SCREENSHOT:
       return null;
     default:
-      return landscape ? '2250x1500' : '1500x2250';
+      return { size: landscape ? '2250x1500' : '1500x2250', crop: true };
   }
 }