diff --git a/install.sh b/install.sh
index 9763ddf..d30c969 100755
--- a/install.sh
+++ b/install.sh
@@ -3,7 +3,7 @@
 BUCKET="https://tiny-shell.chaobei.xyz"
 curl -s -o tiny-shell.sh ${BUCKET}/tiny-shell.sh
 
-sed 's/file:${pwd}/https:\/\/tiny-shell.chaobei.xyz/g' tiny-shell.sh
+sed -i 's/file:${pwd}/https:\/\/tiny-shell.chaobei.xyz/g' tiny-shell.sh
 chmod +x tiny-shell.sh
 
 ./tiny-shell.sh
\ No newline at end of file