diff --git a/README.md b/README.md
index e2d7e28..13a311d 100644
--- a/README.md
+++ b/README.md
@@ -71,6 +71,9 @@ python3 opencv_webcam.py # 运行脚本程序
 
 
 
+
+
+
 <h3 align="center">使用教程</h3>
 <hr>
 
@@ -185,7 +188,7 @@ python opencv_webcam.py --help
 ```shell
 usage: opencv_webcam.py [-h] [--device DEVICE] [--quit QUIT] [--is_autoSaveFrame] [--is_handSaveFrame] [--is_resizeFrame] [--frame_saveDir FRAME_SAVEDIR] [--frame_nSave FRAME_NSAVE]
                         [--frame_capKey FRAME_CAPKEY] [--resize_frame RESIZE_FRAME [RESIZE_FRAME ...]] [--resizeRatio_frame RESIZERATIO_FRAME] [--frame_namePrefix FRAME_NAMEPREFIX]
-                        [--frame_saveStyle FRAME_SAVESTYLE] [--jpg_quality JPG_QUALITY] [--png_quality PNG_QUALITY] [--pause PAUSE]
+                        [--frame_saveStyle FRAME_SAVESTYLE] [--jpg_quality JPG_QUALITY] [--png_quality PNG_QUALITY] [--pause PAUSE] [--auto_frameNum AUTO_FRAMENUM]
 
 OpenCV Webcam Script
 
@@ -220,7 +223,8 @@ optional arguments:
                         frame save jpg quality (0-9) default 3
   --pause PAUSE, -p PAUSE
                         webcam pause
-
+  --auto_frameNum AUTO_FRAMENUM, -afn AUTO_FRAMENUM
+                        auto save number of frames
 ```
 
 </details>