diff --git a/Makefile b/Makefile
index 0b3b6e7..07f4272 100644
--- a/Makefile
+++ b/Makefile
@@ -27,6 +27,9 @@
 
 demo: $(CURDIR)/demo.gif
 
+docs: $(CURDIR)/main.py
+	typer $< utils docs --name $(NAME)
+
 dist: $(TARGET)
 
 install: $(TARGET_INSTALL)
diff --git a/README.md b/README.md
index ee995d4..5845ea3 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@
 **Options**:
 
 - `-u, --username TEXT`: [default: liqin20]
-- `-p, --password TEXT`
+- `-p, --password TEXT`: [required]
 - `-s, --semester TEXT`: [default: 2022-2023-2]
 - `-c, --course TEXT`
 - `--prefix PATH`: [default: /home/liblaf/Desktop/thu-learn]