diff --git a/BBDown/CommandLineInvoker.cs b/BBDown/CommandLineInvoker.cs
index e91053085..dab5bec8d 100644
--- a/BBDown/CommandLineInvoker.cs
+++ b/BBDown/CommandLineInvoker.cs
@@ -37,7 +37,7 @@ internal class CommandLineInvoker
         private readonly static Option<bool> SkipCover = new(new string[] { "--skip-cover" }, "跳过封面下载");
         private readonly static Option<bool> ForceHttp = new(new string[] { "--force-http" }, "下载音视频时强制使用HTTP协议替换HTTPS(默认开启)");
         private readonly static Option<bool> DownloadDanmaku = new(new string[] { "--download-danmaku", "-dd" }, "下载弹幕");
-        private readonly static Option<bool> SkipAi = new(new string[] { "--skip-ai" }, description: "跳过AI字幕下载");
+        private readonly static Option<bool> SkipAi = new(new string[] { "--skip-ai" }, description: "跳过AI字幕下载(默认开启)");
         private readonly static Option<bool> VideoAscending = new(new string[] { "--video-ascending" }, "视频升序(最小体积优先)");
         private readonly static Option<bool> AudioAscending = new(new string[] { "--audio-ascending" }, "音频升序(最小体积优先)");
         private readonly static Option<bool> AllowPcdn = new(new string[] { "--allow-pcdn" }, "不替换PCDN域名, 仅在正常情况与--upos-host均无法下载时使用");
diff --git a/README.md b/README.md
index 84c11b356..61572673b 100644
--- a/README.md
+++ b/README.md
@@ -58,8 +58,10 @@ Options:
   --skip-cover                                   跳过封面下载
   --force-http                                   下载音视频时强制使用HTTP协议替换HTTPS(默认开启)
   -dd, --download-danmaku                        下载弹幕
-  --skip-ai                                      跳过AI字幕下载 [default: True]
-  --bandwith-ascending                           比特率升序(最小体积优先)
+  --skip-ai                                      跳过AI字幕下载(默认开启)
+  --video-ascending                              视频升序(最小体积优先)
+  --audio-ascending                              音频升序(最小体积优先)
+  --allow-pcdn                                   不替换PCDN域名, 仅在正常情况与--upos-host均无法下载时使用
   -F, --file-pattern <file-pattern>              使用内置变量自定义单P存储文件名:
 
                                                  <videoTitle>: 视频主标题