From c00549d2be563087adda5c48474725b70e530822 Mon Sep 17 00:00:00 2001
From: Yuk1n0 <39364985+Yuk1n0@users.noreply.github.com>
Date: Sat, 10 Jul 2021 17:31:57 +0800
Subject: [PATCH] Adjust judgment method

---
 shadowsocks.sh | 20 ++++++++------------
 1 file changed, 8 insertions(+), 12 deletions(-)

diff --git a/shadowsocks.sh b/shadowsocks.sh
index 4b20e84..bc1204f 100644
--- a/shadowsocks.sh
+++ b/shadowsocks.sh
@@ -604,10 +604,12 @@ install_prepare() {
 }
 
 install_libsodium() {
-    if [ ! -f /usr/lib/libsodium.a ] || [ ! -f /usr/lib64/libsodium.a ]; then
+    if [ -f /usr/lib/libsodium.a ] || [ -f /usr/lib64/libsodium.a ]; then
+        echo
+        echo -e "[${green}Info${plain}] ${libsodium_file} already installed."
+    else
         echo
         echo -e "[${green}Info${plain}] ${libsodium_file} start installing."
-        echo
         cd ${cur_dir} || exit
         download "${libsodium_file}.tar.gz" "${libsodium_url}"
         tar zxf ${libsodium_file}.tar.gz
@@ -619,17 +621,16 @@ install_libsodium() {
             exit 1
         fi
         echo -e "[${green}Info${plain}] ${libsodium_file} install success!"
-    else
-        echo
-        echo -e "[${green}Info${plain}] ${libsodium_file} already installed."
     fi
 }
 
 install_mbedtls() {
-    if [ ! -f /usr/lib/libmbedtls.a ] || [ ! -f /usr/lib64/libmbedtls.a ]; then
+    if [ -f /usr/lib/libmbedtls.a ] || [ -f /usr/lib64/libmbedtls.a ]; then
+        echo
+        echo -e "[${green}Info${plain}] ${mbedtls_file} already installed."
+    else
         echo
         echo -e "[${green}Info${plain}] ${mbedtls_file} start installing."
-        echo
         cd ${cur_dir} || exit
         download "mbedtls-${mbedtls_file}.tar.gz" "${mbedtls_url}"
         tar zxf mbedtls-${mbedtls_file}.tar.gz
@@ -642,16 +643,12 @@ install_mbedtls() {
             exit 1
         fi
         echo -e "[${green}Info${plain}] ${mbedtls_file} install success!"
-    else
-        echo
-        echo -e "[${green}Info${plain}] ${mbedtls_file} already installed."
     fi
 }
 
 install_shadowsocks_libev() {
     echo
     echo -e "[${green}Info${plain}] ${software[0]} start installing."
-    echo
     cd ${cur_dir} || exit
     tar zxf ${shadowsocks_libev_file}.tar.gz
     cd ${shadowsocks_libev_file} || exit
@@ -676,7 +673,6 @@ install_shadowsocks_libev() {
 install_shadowsocks_r() {
     echo
     echo -e "[${green}Info${plain}] ${software[1]} start installing."
-    echo
     cd ${cur_dir} || exit
     tar zxf ${shadowsocks_r_file}.tar.gz
     mv ${shadowsocks_r_file}/shadowsocks /usr/local/