diff --git a/02_process/tmp-convert.ps1 b/02_process/tmp-convert.ps1
deleted file mode 100644
index 55e693b..0000000
--- a/02_process/tmp-convert.ps1
+++ /dev/null
@@ -1,20 +0,0 @@
-$ErrorActionPreference = 'Stop'
-Add-Type -AssemblyName System.Drawing
-$src = 'G:\01 Media\02 Video\20260423 意、西、葡\【无人机】\20260511-2西岸沿海公路（Praia da Arriba）\Sea01.jpg'
-$img = [System.Drawing.Image]::FromFile($src)
-$max = 1280
-$scale = [Math]::Min(1.0, $max / [Math]::Max($img.Width, $img.Height))
-$w = [int][Math]::Max(1, [Math]::Round($img.Width * $scale))
-$h = [int][Math]::Max(1, [Math]::Round($img.Height * $scale))
-$bmp = New-Object System.Drawing.Bitmap($w, $h)
-$g = [System.Drawing.Graphics]::FromImage($bmp)
-$g.InterpolationMode = 'HighQualityBicubic'
-$g.DrawImage($img, 0, 0, $w, $h)
-$enc = [System.Drawing.Imaging.ImageCodecInfo]::GetImageEncoders() | Where-Object MimeType -eq 'image/jpeg'
-$ep = New-Object System.Drawing.Imaging.EncoderParameters(1)
-$ep.Param[0] = New-Object System.Drawing.Imaging.EncoderParameter([System.Drawing.Imaging.Encoder]::Quality, [long]82)
-$out = 'C:\Users\SJL\AppData\Local\Temp\wave-bg.jpg'
-$bmp.Save($out, $enc, $ep)
-$g.Dispose(); $bmp.Dispose(); $img.Dispose()
-$f = Get-Item $out
-'{0}x{1} -> {2:N0} KB' -f $w, $h, ($f.Length/1KB)