diff --git a/README.md b/README.md
index f1a4f1b..338672c 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
+# Modified from original repo:
+https://github.com/liblaf/thu-learn-downloader
 # THU Web Learning Downloader
 
 Download everything from Web Learning of Tsinghua University
@@ -67,22 +69,5 @@
 python.exe -m thu_learn_downloader.main
 
 ## exe packing
-- run in project root:
-- please install playwright directly in venv using:
-```powershell
-$env:PLAYWRIGHT_BROWSERS_PATH="0"
-playwright install chromium
-```
-(please refer to:https://playwright.dev/python/docs/library#pyinstaller)
-then:
-```powershell
+- run in project root: 
 .\.venv\Scripts\pyinstaller.exe --onefile --clean --add-data "thu_learn_downloader/openssl.conf;thu_learn_downloader" .\thu_learn_downloader\main.py --runtime-hook .\thu_learn_downloader\hook.py
-```
-## exe recommended usage
-```powershell
-.\thu-learn-downloader-windows-x86_64.exe -u [USERNAME] -p [PASSWORD] -s [SEMESTER]
-```
-NOTICE THAT PASSWORD WILL NOT BE REDACTED!!!
-
-then complete 2FA in prompted browser panel.
-The download of selected semester will automatically start, or will quit if no valid semester is appointed.
\ No newline at end of file