diff --git a/Makefile b/Makefile
index a1110d1..0b3b6e7 100644
--- a/Makefile
+++ b/Makefile
@@ -51,7 +51,7 @@
 ifeq ($(BW_SESSION),)
 	$(error Bitwarden Locked)
 else
-	vhs < $<
+	vhs --output $@ $<
 endif
 
 $(TARGET): $(CURDIR)/main.py
diff --git a/README.md b/README.md
index 67dd6d7..ee995d4 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 
 ## Demo
 
-![Demo](https://res.cloudinary.com/liblaf/image/upload/v1679497703/2023/03/22/20230322-1679497699.gif)
+![Demo](https://cdn.liblaf.me/image/2023/06/06/2023-06-06-23-25-02.gif)
 
 The resulting file structure looks like:
 
diff --git a/demo.tape b/demo.tape
index 4b38df7..9e13690 100644
--- a/demo.tape
+++ b/demo.tape
@@ -1,9 +1,8 @@
-Output demo.gif
-
 Set Width 1920
-Set Height 1080
-Set FontSize 12
+Set Height 1440
+Set FontSize 16
 
+Require bw
 Require tld
 
 Type 'tld --password "$(bw get password id.tsinghua.edu.cn)"'