diff --git a/archrived-shells/ffmpeg.sh b/archrived-shells/ffmpeg.sh
index e20166f..9e714dc 100644
--- a/archrived-shells/ffmpeg.sh
+++ b/archrived-shells/ffmpeg.sh
@@ -2,18 +2,31 @@
 
 extensions=("mp4" "avi" "mov" "mkv" "flv" "wmv")
 
-echo "开始批量转码，输出格式为 AVC/H.264 编码的 MP4..."
+echo "开始批量转码（H.264 MP4）..."
 echo
 
 for ext in "${extensions[@]}"; do
     for file in *."$ext"; do
-        # 检查文件是否存在（避免没有匹配文件时报错）
         [ -f "$file" ] || continue
 
-        output="${file%.*}.mp4"
+        # 👉 提取类似 1 (12).mp4 → 12
+        base=$(echo "$file" | sed -E 's/^1 \(([0-9]+)\)\.[^.]+$/\1/')
+
+        # 👉 如果匹配成功，就用纯数字，否则用原文件名
+        if [[ "$base" =~ ^[0-9]+$ ]]; then
+            output="${base}-h264.mp4"
+        else
+            output="${file%.*}-h264.mp4"
+        fi
+
         if [ ! -f "$output" ]; then
             echo "正在转码: $file --> $output"
-            ffmpeg -i "$file" -c:v libx264 -preset medium -crf 23 -c:a aac -b:a 128k "$output"
+
+            ffmpeg -i "$file" \
+                -c:v libx264 -preset medium -crf 23 \
+                -c:a copy \
+                "$output"
+
             if [ $? -eq 0 ]; then
                 echo "完成: $file"
             else