diff --git a/README.md b/README.md
index 88671ec..f207c6b 100644
--- a/README.md
+++ b/README.md
@@ -62,6 +62,6 @@ curl -LO https://raw.githubusercontent.com/nothings/stb/master/stb_image_write.h
 msbuild joomer-efsw-bsz-monitoring.vcxproj /p:Configuration=release 
 
 # run
-x64\release\joomer-efsw-bsz-monitoring.exe  #--watchdir:path (optionally)
+x64\release\joomer-efsw-bsz-monitoring.exe  #--watchdir:path --width:640 --height:480 (optionally args)
 ```