feat: update build process

build/bin/wfcsetup.sh

@@ -36,11 +36,11 @@ case "$1" in
         org_env_file=${docker_work_dir}/.env
         tmp_env_file=${docker_work_dir}/temp.env
 
-        if [ -f ${org_env_file} ]; then
+        if [ ! -f ${org_env_file} ]; then
             cp ${def_env_file} ${org_env_file}
         fi
-        
-        if [ ${new_ip} != "" ]; then
+
+        if [ ! -z "${new_ip}" ]; then
             # 使用sed命令替换IP地址
             # 替换.env文件
             sed "s/NACOS_SERVER_ADDR=.*/NACOS_SERVER_ADDR=${new_ip}:8848/" ${org_env_file} > $tmp_env_file