Update install.sh

ubuntu-debian/install.sh

@@ -17,11 +17,9 @@ password=${password:-123456}
 if [[ ! -e $CONFIG_FILE ]]; then
     echo 配置文件${CONFIG_FILE}不存在，正在创建...
     mkdir -p "$(dirname "$CONFIG_FILE")"
-    touch $CONFIG_FILE
 fi
 
-# 清空文件
-> $CONFIG_FILE
+rm -rf $CONFIG_FILE
 # 追加默认配置
 echo bind-addr: 0.0.0.0:${port} >> $CONFIG_FILE
 echo 'auth: password' >> $CONFIG_FILE