diff --git a/lemp.sh b/lemp.sh
index 341ad42..a475c81 100755
--- a/lemp.sh
+++ b/lemp.sh
@@ -6,7 +6,8 @@ SCRIPT_ROOT=`pwd`
 cd $SCRIPT_ROOT
 
 while :; do echo
-  read -p "Do you want to init your CentOS? [y/n]: " init_yn
+  read -p "Do you want to init your CentOS? [y/n]:(Default y press Enter) " init_yn
+  [ -z "$init_yn" ] && init_yn=y
   if [[ ! $init_yn =~ ^[y,n]$ ]]; then
     echo "${CWARNING}input error! Please only input 'y' or 'n'${CEND}"
   else
@@ -15,7 +16,8 @@ while :; do echo
 done
 
 while :; do echo
-  read -p "Do you want to install nginx? [y/n]: " nginx_yn
+  read -p "Do you want to install nginx? [y/n]:(Default y press Enter) " nginx_yn
+  [ -z "$nginx_yn" ] && nginx_yn=y
   if [[ ! $nginx_yn =~ ^[y,n]$ ]]; then
     echo "${CWARNING}input error! Please only input 'y' or 'n'${CEND}"
   else
@@ -24,7 +26,8 @@ while :; do echo
 done
 
 while :; do echo
-  read -p "Do you want to install PHP? [y/n]: " php_yn
+  read -p "Do you want to install PHP? [y/n]:(Default y press Enter) " php_yn
+  [ -z "$php_yn" ] && php_yn=y
   if [[ ! $php_yn =~ ^[y,n]$ ]]; then
     echo "${CWARNING}input error! Please only input 'y' or 'n'${CEND}"
   else
@@ -33,7 +36,8 @@ while :; do echo
 done
 
 while :; do echo
-  read -p "Do you want to install MariaDB? [y/n]: " mariadb_yn
+  read -p "Do you want to install MariaDB? [y/n]:(Default y press Enter) " mariadb_yn
+  [ -z "$mariadb_yn" ] && mariadb_yn=y
   if [[ ! $mariadb_yn =~ ^[y,n]$ ]]; then
     echo "${CWARNING}input error! Please only input 'y' or 'n'${CEND}"
   else
@@ -44,6 +48,8 @@ while :; do echo
             [ -n "`echo $MariaDB_ROOT_PWD | grep '[+|&]'`" ] && { echo "${CWARNING}input error,not contain a plus sign (+) and & ${CEND}"; continue; }
             break;
         done
+    else
+        break
     fi
   fi
 done