diff --git a/app/src/main/java/com/xiaoqu/watch/ui/bind/BindFragment.kt b/app/src/main/java/com/xiaoqu/watch/ui/bind/BindFragment.kt
index bd838ab..9217392 100644
--- a/app/src/main/java/com/xiaoqu/watch/ui/bind/BindFragment.kt
+++ b/app/src/main/java/com/xiaoqu/watch/ui/bind/BindFragment.kt
@@ -86,77 +86,35 @@ class BindFragment : BaseFragment<FragmentBindBinding>() {
         }
     }
 
-    /**
-     * 将 ZXing BitMatrix 转换为圆角风格二维码 Bitmap
-     * 每个模块（小方块）都是圆角矩形，白色背景带圆角
-     */
+    /** 将 ZXing BitMatrix 转换为 Bitmap，整体图片加圆角裁剪 */
     private fun bitMatrixToBitmap(matrix: BitMatrix): Bitmap {
-        // 找到二维码实际内容边界（去掉 ZXing 空白边距）
-        val w = matrix.width
-        val h = matrix.height
-        var left = w; var top = h; var right = 0; var bottom = 0
-        for (y in 0 until h) {
-            for (x in 0 until w) {
-                if (matrix[x, y]) {
-                    if (x < left) left = x
-                    if (x > right) right = x
-                    if (y < top) top = y
-                    if (y > bottom) bottom = y
+        val width = matrix.width
+        val height = matrix.height
+        // 生成标准二维码 Bitmap
+        val pixels = IntArray(width * height)
+        for (y in 0 until height) {
+            for (x in 0 until width) {
+                pixels[y * width + x] = if (matrix[x, y]) {
+                    0xFF000000.toInt()
+                } else {
+                    0xFFFFFFFF.toInt()
                 }
             }
         }
-        val qrCols = right - left + 1
-        val qrRows = bottom - top + 1
+        val squareBitmap = Bitmap.createBitmap(pixels, width, height, Bitmap.Config.ARGB_8888)
 
-        // 输出参数
-        val moduleSize = 16f          // 每个模块像素大小
-        val padding = moduleSize * 2  // 内边距
-        val outputSize = (maxOf(qrCols, qrRows) * moduleSize + padding * 2).toInt()
+        // 圆角裁剪（iPhone 风格，12% 圆角）
+        val output = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888)
+        val canvas = android.graphics.Canvas(output)
+        val paint = android.graphics.Paint(android.graphics.Paint.ANTI_ALIAS_FLAG)
+        val rect = android.graphics.RectF(0f, 0f, width.toFloat(), height.toFloat())
+        val radius = width * 0.12f
+        canvas.drawRoundRect(rect, radius, radius, paint)
+        paint.xfermode = android.graphics.PorterDuffXfermode(android.graphics.PorterDuff.Mode.SRC_IN)
+        canvas.drawBitmap(squareBitmap, 0f, 0f, paint)
+        squareBitmap.recycle()
 
-        val bitmap = Bitmap.createBitmap(outputSize, outputSize, Bitmap.Config.ARGB_8888)
-        val canvas = android.graphics.Canvas(bitmap)
-
-        // 白色圆角背景
-        val bgPaint = android.graphics.Paint(android.graphics.Paint.ANTI_ALIAS_FLAG).apply {
-            color = 0xFFFFFFFF.toInt()
-            style = android.graphics.Paint.Style.FILL
-        }
-        val bgRadius = outputSize * 0.08f
-        canvas.drawRoundRect(
-            android.graphics.RectF(0f, 0f, outputSize.toFloat(), outputSize.toFloat()),
-            bgRadius, bgRadius, bgPaint
-        )
-
-        // 黑色模块画笔
-        val modulePaint = android.graphics.Paint(android.graphics.Paint.ANTI_ALIAS_FLAG).apply {
-            color = 0xFF000000.toInt()
-            style = android.graphics.Paint.Style.FILL
-        }
-
-        // 居中偏移
-        val offsetX = padding + (maxOf(qrCols, qrRows) - qrCols) * moduleSize / 2
-        val offsetY = padding + (maxOf(qrCols, qrRows) - qrRows) * moduleSize / 2
-
-        // 模块圆角和缝隙
-        val cornerRadius = moduleSize * 0.35f
-        val inset = moduleSize * 0.1f
-
-        // 逐个绘制圆角模块
-        for (row in 0 until qrRows) {
-            for (col in 0 until qrCols) {
-                if (matrix[left + col, top + row]) {
-                    val px = offsetX + col * moduleSize + inset
-                    val py = offsetY + row * moduleSize + inset
-                    val size = moduleSize - inset * 2
-                    canvas.drawRoundRect(
-                        android.graphics.RectF(px, py, px + size, py + size),
-                        cornerRadius, cornerRadius, modulePaint
-                    )
-                }
-            }
-        }
-
-        return bitmap
+        return output
     }
 
     /**