diff --git a/shadowsocks-libev-debian.sh b/shadowsocks-libev-debian.sh
index 72f9779..aba241e 100644
--- a/shadowsocks-libev-debian.sh
+++ b/shadowsocks-libev-debian.sh
@@ -163,7 +163,7 @@ function install(){
 
 # Uninstall Shadowsocks-libev
 function uninstall_shadowsocks_libev(){
-    printf "Are you sure uninstall Shadowsocks-libev? (y/n) : "
+    printf "Are you sure uninstall Shadowsocks-libev? (y/n) "
     printf "\n"
     read -p "(Default: n):" answer
     if [ -z $answer ]; then
diff --git a/shadowsocks-libev.sh b/shadowsocks-libev.sh
index 414f8a0..bbe917c 100644
--- a/shadowsocks-libev.sh
+++ b/shadowsocks-libev.sh
@@ -177,7 +177,7 @@ function install(){
 
 # Uninstall Shadowsocks-libev
 function uninstall_shadowsocks_libev(){
-    printf "Are you sure uninstall shadowsocks_libev? (y/n) : "
+    printf "Are you sure uninstall shadowsocks_libev? (y/n) "
     printf "\n"
     read -p "(Default: n):" answer
     if [ -z $answer ]; then
diff --git a/shadowsocks-nodejs.sh b/shadowsocks-nodejs.sh
index 11d8ebc..c889f91 100644
--- a/shadowsocks-nodejs.sh
+++ b/shadowsocks-nodejs.sh
@@ -189,7 +189,7 @@ function install(){
 
 # Uninstall Shadowsocks-nodejs
 function uninstall_shadowsocks_nodejs(){
-    printf "Are you sure uninstall Shadowsocks-nodejs? (y/n) : "
+    printf "Are you sure uninstall Shadowsocks-nodejs? (y/n) "
     printf "\n"
     read -p "(Default: n):" answer
     if [ -z $answer ]; then