diff --git a/install.sh b/install.sh
index 1e8db6c..8b0deca 100644
--- a/install.sh
+++ b/install.sh
@@ -1961,7 +1961,27 @@ configure_nginx_http_first() {
     # 总是先配置HTTP模式
     local server_name="${DOMAIN:-_}"
 
-    cat > /etc/nginx/sites-available/${PROJECT_NAME}.conf << EOF
+    # 检测Nginx配置目录结构并创建必要的目录
+    if [[ -d /etc/nginx/sites-available ]] || [[ "$PKG_MANAGER" == "apt" ]]; then
+        # Debian/Ubuntu: 使用sites-available
+        NGINX_CONF_DIR="/etc/nginx/sites-available"
+        NGINX_ENABLED_DIR="/etc/nginx/sites-enabled"
+        USE_SYMLINK=true
+
+        # 确保目录存在
+        mkdir -p ${NGINX_CONF_DIR}
+        mkdir -p ${NGINX_ENABLED_DIR}
+    else
+        # CentOS/RHEL: 使用conf.d
+        NGINX_CONF_DIR="/etc/nginx/conf.d"
+        NGINX_ENABLED_DIR=""
+        USE_SYMLINK=false
+
+        # 确保目录存在
+        mkdir -p ${NGINX_CONF_DIR}
+    fi
+
+    cat > ${NGINX_CONF_DIR}/${PROJECT_NAME}.conf << EOF
 server {
     listen ${HTTP_PORT};
     server_name ${server_name};
@@ -2016,11 +2036,16 @@ server {
 }
 EOF
 
-    # 创建软链接
-    ln -sf /etc/nginx/sites-available/${PROJECT_NAME}.conf /etc/nginx/sites-enabled/${PROJECT_NAME}.conf
-
-    # 删除默认站点
-    rm -f /etc/nginx/sites-enabled/default
+    # 根据系统类型处理配置文件
+    if [[ "$USE_SYMLINK" == "true" ]]; then
+        # Debian/Ubuntu: 创建软链接
+        ln -sf ${NGINX_CONF_DIR}/${PROJECT_NAME}.conf ${NGINX_ENABLED_DIR}/${PROJECT_NAME}.conf
+        # 删除默认站点
+        rm -f ${NGINX_ENABLED_DIR}/default
+    else
+        # CentOS/RHEL: conf.d中的.conf文件会自动加载，删除默认配置
+        rm -f /etc/nginx/conf.d/default.conf
+    fi
 
     # 测试nginx配置
     if ! nginx -t; then
@@ -2106,7 +2131,22 @@ configure_nginx() {
 configure_nginx_http() {
     local server_name="${DOMAIN:-_}"
 
-    cat > /etc/nginx/sites-available/${PROJECT_NAME}.conf << EOF
+    # 检测Nginx配置目录结构并创建必要的目录
+    if [[ -d /etc/nginx/sites-available ]] || [[ "$PKG_MANAGER" == "apt" ]]; then
+        # Debian/Ubuntu: 使用sites-available
+        NGINX_CONF_DIR="/etc/nginx/sites-available"
+        NGINX_ENABLED_DIR="/etc/nginx/sites-enabled"
+        USE_SYMLINK=true
+        mkdir -p ${NGINX_CONF_DIR}
+        mkdir -p ${NGINX_ENABLED_DIR}
+    else
+        # CentOS/RHEL: 使用conf.d
+        NGINX_CONF_DIR="/etc/nginx/conf.d"
+        USE_SYMLINK=false
+        mkdir -p ${NGINX_CONF_DIR}
+    fi
+
+    cat > ${NGINX_CONF_DIR}/${PROJECT_NAME}.conf << EOF
 server {
     listen ${HTTP_PORT};
     server_name ${server_name};
@@ -2161,15 +2201,35 @@ server {
 }
 EOF
 
-    # 创建软链接
-    ln -sf /etc/nginx/sites-available/${PROJECT_NAME}.conf /etc/nginx/sites-enabled/${PROJECT_NAME}.conf
-
-    # 删除默认站点
-    rm -f /etc/nginx/sites-enabled/default
+    # 根据系统类型处理配置文件
+    if [[ "$USE_SYMLINK" == "true" ]]; then
+        # Debian/Ubuntu: 创建软链接
+        ln -sf ${NGINX_CONF_DIR}/${PROJECT_NAME}.conf ${NGINX_ENABLED_DIR}/${PROJECT_NAME}.conf
+        # 删除默认站点
+        rm -f ${NGINX_ENABLED_DIR}/default
+    else
+        # CentOS/RHEL: conf.d中的.conf文件会自动加载
+        rm -f /etc/nginx/conf.d/default.conf
+    fi
 }
 
 configure_nginx_https() {
-    cat > /etc/nginx/sites-available/${PROJECT_NAME}.conf << EOF
+    # 检测Nginx配置目录结构并创建必要的目录
+    if [[ -d /etc/nginx/sites-available ]] || [[ "$PKG_MANAGER" == "apt" ]]; then
+        # Debian/Ubuntu: 使用sites-available
+        NGINX_CONF_DIR="/etc/nginx/sites-available"
+        NGINX_ENABLED_DIR="/etc/nginx/sites-enabled"
+        USE_SYMLINK=true
+        mkdir -p ${NGINX_CONF_DIR}
+        mkdir -p ${NGINX_ENABLED_DIR}
+    else
+        # CentOS/RHEL: 使用conf.d
+        NGINX_CONF_DIR="/etc/nginx/conf.d"
+        USE_SYMLINK=false
+        mkdir -p ${NGINX_CONF_DIR}
+    fi
+
+    cat > ${NGINX_CONF_DIR}/${PROJECT_NAME}.conf << EOF
 server {
     listen ${HTTP_PORT};
     server_name ${DOMAIN};
@@ -2237,11 +2297,16 @@ server {
 }
 EOF
 
-    # 创建软链接
-    ln -sf /etc/nginx/sites-available/${PROJECT_NAME}.conf /etc/nginx/sites-enabled/${PROJECT_NAME}.conf
-
-    # 删除默认站点
-    rm -f /etc/nginx/sites-enabled/default
+    # 根据系统类型处理配置文件
+    if [[ "$USE_SYMLINK" == "true" ]]; then
+        # Debian/Ubuntu: 创建软链接
+        ln -sf ${NGINX_CONF_DIR}/${PROJECT_NAME}.conf ${NGINX_ENABLED_DIR}/${PROJECT_NAME}.conf
+        # 删除默认站点
+        rm -f ${NGINX_ENABLED_DIR}/default
+    else
+        # CentOS/RHEL: conf.d中的.conf文件会自动加载
+        rm -f /etc/nginx/conf.d/default.conf
+    fi
 }
 
 start_backend_service() {