diff --git a/install/app-typora.sh b/install/app-typora.sh
index 19951cd..8d6a0d7 100644
--- a/install/app-typora.sh
+++ b/install/app-typora.sh
@@ -1,7 +1,7 @@
 if ! command -v typora &>/dev/null; then
 	wget -qO - https://typoraio.cn/linux/public-key.asc | sudo tee /etc/apt/trusted.gpg.d/typora.asc
 	sudo add-apt-repository 'deb https://typora.io/linux ./'
-	sudo apt-get update -y
+	sudo apt-get update
 	sudo apt-get install -y typora
 
 	# Add iA Typora theme