diff --git a/convert.py b/convert.py
index 5bfabea..84244d5 100644
--- a/convert.py
+++ b/convert.py
@@ -136,7 +136,7 @@ def convert_to_simai_folder(result,output_folder):
 # 示例调用
 
 if __name__ == "__main__":
-    music_ids = [111516]
+    music_ids = [834,799]
     output_folder = "result"
     max_workers = 6  # 根据 CPU 和硬盘负载合理设置线程数
 
diff --git a/pv_convert.py b/pv_convert.py
index 6fbf306..09e9504 100644
--- a/pv_convert.py
+++ b/pv_convert.py
@@ -1,6 +1,24 @@
-import os
 import subprocess
 import sys
+from fractions import Fraction
+
+from loguru import logger
+
+
+def ratio_to_str(width, height, max_denominator=20):
+    """将宽高比转换为 a:b 的形式"""
+    # 确保分子 > 分母
+    if width >= height:
+        ratio = Fraction(width, height).limit_denominator(max_denominator)
+    else:
+        ratio = Fraction(height, width).limit_denominator(max_denominator)
+
+    a, b = ratio.numerator, ratio.denominator
+    # 由于上面取了 max(width, height)，要对应宽:高
+    if width >= height:
+        return f"{a}:{b}"
+    else:
+        return f"{b}:{a}"
 
 def get_video_resolution(video_path):
     """获取视频的宽高信息"""
@@ -13,7 +31,15 @@ def get_video_resolution(video_path):
     return width, height
 
 def calculate_padding(width, height):
-    """计算填充黑边，使其变成 1:1（正方形）"""
+    """计算填充黑边，使其变成 1:1（正方形）。
+    如果接近4:3或1:1比例（90%以内），则直接返回0。
+    """
+    aspect_ratio = width / height if width >= height else height / width
+
+    # 如果接近 4:3 或 1:1，就不填充
+    if (0.9 <= aspect_ratio <= 1.1) or (1.3 <= aspect_ratio <= 1.5):
+        return max(width, height), 0, 0
+
     max_side = max(width, height)  # 以最大边长作为正方形边长
     pad_x = (max_side - width) // 2
     pad_y = (max_side - height) // 2
@@ -25,7 +51,7 @@ def process_video(input_file, output_file):
     target_size, pad_x, pad_y = calculate_padding(width, height)
 
     if pad_x == 0 and pad_y == 0:
-        print("视频已经是 1:1，无需填充。")
+        logger.info(f"视频比例是 {ratio_to_str(width,height)}，无需填充。")
         ffmpeg_cmd = [
             "ffmpeg", "-i", input_file,
             "-c:v", "h264_videotoolbox",
@@ -34,7 +60,7 @@ def process_video(input_file, output_file):
             output_file
         ]
     else:
-        print(f"填充黑边，使视频变为 {target_size}x{target_size}")
+        logger.info(f"视频比例是 {ratio_to_str(width,height)}，填充黑边，使视频变为 {target_size}x{target_size}")
         ffmpeg_cmd = [
             "ffmpeg", "-i", input_file,
             "-vf", f"pad={target_size}:{target_size}:{pad_x}:{pad_y}:black",
@@ -48,7 +74,7 @@ def process_video(input_file, output_file):
 
 if __name__ == "__main__":
     if len(sys.argv) < 3:
-        print("用法: python pv_convert.py 输入文件 输出文件")
+        logger.info("用法: python pv_convert.py 输入文件 输出文件")
         sys.exit(1)
 
     input_file = sys.argv[1]