diff --git a/src/metric/client-plugins/all-in-one-demo/scripts/sync_dns.sh b/src/metric/client-plugins/all-in-one-demo/scripts/sync_dns.sh
index 9e05f24..b11ce37 100755
--- a/src/metric/client-plugins/all-in-one-demo/scripts/sync_dns.sh
+++ b/src/metric/client-plugins/all-in-one-demo/scripts/sync_dns.sh
@@ -126,41 +126,54 @@ compare_files() {
     fi
 }
 
-# 将 DNS 配置追加到 /etc/resolv.conf
+# 将 DNS 配置添加到 /etc/resolv.conf 开头
 update_resolv_conf() {
     local dns_conf_file="$1"
     
     log_info "更新 /etc/resolv.conf 文件..."
-    
-    # 备份原始文件
-    if [[ -f "$RESOLV_CONF" ]]; then
-        cp "$RESOLV_CONF" "${RESOLV_CONF}.backup.$(date +%Y%m%d_%H%M%S)"
-        log_info "已备份原始 resolv.conf 文件"
-    fi
-    
-    # 读取 DNS 配置文件并追加到 resolv.conf
+
+    # 创建临时文件
+    local temp_resolv="/tmp/resolv.conf.$$"
+
+    # 将 dns.conf 内容转换为 nameserver 添加到临时文件开头
     while IFS= read -r line; do
-        # 跳过空行和注释行
+        # 跳过空行和注释
         [[ -z "$line" || "$line" =~ ^[[:space:]]*# ]] && continue
-        
-        # 验证是否为有效的 IP 地址
-        if [[ "$line" =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
-            # 检查是否已存在相同的 nameserver 行
-            if ! grep -q "nameserver $line" "$RESOLV_CONF" 2>/dev/null; then
-                echo "nameserver $line" >> "$RESOLV_CONF"
-                log_info "添加 DNS 服务器: $line"
-            else
-                log_info "DNS 服务器已存在，跳过: $line"
-            fi
+        # 验证 IP 格式
+        if [[ "$line" =~ ^[0-9]{1,3}(\.[0-9]{1,3}){3}$ ]]; then
+            echo "nameserver $line" >> "$temp_resolv"
+            log_info "添加 DNS 到临时文件: $line"
         else
-            log_warning "跳过无效的 DNS 地址: $line"
+            log_warning "跳过无效 DNS: $line"
         fi
     done < "$dns_conf_file"
-    
-    # 设置文件权限
-    chmod 644 "$RESOLV_CONF"
-    
-    log_success "/etc/resolv.conf 文件更新完成"
+
+    # 将原 resolv.conf 内容追加到临时文件后面
+    if [[ -f "$RESOLV_CONF" ]]; then
+        cat "$RESOLV_CONF" >> "$temp_resolv"
+    fi
+
+    # 判断是否是 root
+    if [[ $(id -u) -eq 0 ]]; then
+        # root 直接写入
+        tee "$RESOLV_CONF" < "$temp_resolv" >/dev/null
+        chmod 644 "$RESOLV_CONF"
+    else
+        # 非 root 尝试使用 sudo
+        if command -v sudo >/dev/null 2>&1; then
+            sudo tee "$RESOLV_CONF" < "$temp_resolv" >/dev/null
+            sudo chmod 644 "$RESOLV_CONF"
+        else
+            log_error "非 root 用户且系统未安装 sudo，无法更新 /etc/resolv.conf"
+            rm -f "$temp_resolv"
+            exit 1
+        fi
+    fi
+
+    # 清理临时文件
+    rm -f "$temp_resolv"
+
+    log_success "/etc/resolv.conf 已更新"
 }
 
 # 记录同步日志
diff --git a/src/metric/tests/client-test-node/build/Dockerfile b/src/metric/tests/client-test-node/build/Dockerfile
new file mode 100644
index 0000000..e72dc1c
--- /dev/null
+++ b/src/metric/tests/client-test-node/build/Dockerfile
@@ -0,0 +1,6 @@
+FROM ubuntu:22.04
+RUN apt-get update -qq && \
+    DEBIAN_FRONTEND=noninteractive apt-get install -y -qq tzdata && \
+    rm -rf /var/lib/apt/lists/*
+ENV TZ=Asia/Shanghai
+
diff --git a/src/metric/tests/docker-compose.yml b/src/metric/tests/docker-compose.yml
index 98e4140..8c9b724 100644
--- a/src/metric/tests/docker-compose.yml
+++ b/src/metric/tests/docker-compose.yml
@@ -15,6 +15,7 @@ services:
     container_name: argus-ftp
     restart: unless-stopped
     environment:
+      - TZ=Asia/Shanghai
       - FTP_BASE_PATH=/private/argus/ftp
       - FTP_PASSWORD=${FTP_PASSWORD:-ZGClab1234!}
       - DOMAIN=${FTP_DOMAIN:-prom.ftp.argus.com}
@@ -27,6 +28,8 @@ services:
     volumes:
       - ${DATA_ROOT:-/private}/argus/metric/ftp:/private/argus/ftp
       - ${DATA_ROOT:-/private}/argus/etc:/private/argus/etc
+      - /etc/localtime:/etc/localtime:ro
+      - /etc/timezone:/etc/timezone:ro
     networks:
       default:
         ipv4_address: 172.30.0.40
@@ -48,6 +51,7 @@ services:
     container_name: argus-prometheus
     restart: unless-stopped
     environment:
+      - TZ=Asia/Shanghai
       - PROMETHEUS_BASE_PATH=/private/argus/metric/prometheus
       - PROMETHEUS_UID=${PROMETHEUS_UID:-2133}
       - PROMETHEUS_GID=${PROMETHEUS_GID:-2015}
@@ -56,6 +60,8 @@ services:
     volumes:
       - ${DATA_ROOT:-/private}/argus/metric/prometheus:/private/argus/metric/prometheus
       - ${DATA_ROOT:-/private}/argus/etc:/private/argus/etc
+      - /etc/localtime:/etc/localtime:ro
+      - /etc/timezone:/etc/timezone:ro
     networks:
       default:
         ipv4_address: 172.30.0.41
@@ -76,6 +82,7 @@ services:
     container_name: argus-grafana
     restart: unless-stopped
     environment:
+      - TZ=Asia/Shanghai
       - GRAFANA_BASE_PATH=/private/argus/metric/grafana
       - GRAFANA_UID=${GRAFANA_UID:-2133}
       - GRAFANA_GID=${GRAFANA_GID:-2015}
@@ -87,6 +94,8 @@ services:
     volumes:
       - ${DATA_ROOT:-/private}/argus/metric/grafana:/private/argus/metric/grafana
       - ${DATA_ROOT:-/private}/argus/etc:/private/argus/etc
+      - /etc/localtime:/etc/localtime:ro
+      - /etc/timezone:/etc/timezone:ro
     networks:
       default:
         ipv4_address: 172.30.0.42
@@ -99,20 +108,29 @@ services:
         max-file: "3"
 
   test-node:
-    image: ubuntu:22.04
+    build:
+      context: ./client-test-node/build
+      dockerfile: Dockerfile
+    image: argus-metric-test-node:latest
     container_name: argus-metric-test-node
     hostname: test-metric-node-001
     restart: unless-stopped
+    privileged: true
     depends_on:
       - ftp
       - prometheus
     environment:
+      - TZ=Asia/Shanghai
+      - DEBIAN_FRONTEND=noninteractive
+      - FTP_DOMAIN=${FTP_DOMAIN:-ftp.metric.argus.com}
       - FTP_SERVER=${FTP_SERVER:-172.30.0.40}
       - FTP_USER=${FTP_USER:-ftpuser}
       - FTP_PASSWORD=${FTP_PASSWORD:-ZGClab1234!}
       - FTP_PORT=${FTP_PORT:-21}
     volumes:
       - ${DATA_ROOT:-/private}/argus/agent:/private/argus/agent
+      - /etc/localtime:/etc/localtime:ro
+      - /etc/timezone:/etc/timezone:ro
     command: sleep infinity
     networks:
       default:
@@ -122,3 +140,4 @@ services:
       options:
         max-size: "10m"
         max-file: "3"
+
diff --git a/src/metric/tests/scripts/03_test_node_install.sh b/src/metric/tests/scripts/03_test_node_install.sh
index cfe5116..b0402f2 100755
--- a/src/metric/tests/scripts/03_test_node_install.sh
+++ b/src/metric/tests/scripts/03_test_node_install.sh
@@ -1,12 +1,17 @@
 #!/bin/bash
 set -e
 
+FTP_DOMAIN="${FTP_DOMAIN:-ftp.metric.argus.com}"
 FTP_SERVER="${FTP_SERVER:-172.30.0.40}"
 FTP_USER="${FTP_USER:-ftpuser}"
 FTP_PASSWORD="${FTP_PASSWORD:-ZGClab1234!}"
 FTP_PORT="${FTP_PORT:-21}"
 
+# 优先使用域名，如果域名不可用则使用 IP
+FTP_HOST="${FTP_DOMAIN:-$FTP_SERVER}"
+
 echo "[03] 进入测试节点执行安装..."
+echo "[03] 使用 FTP 地址: ${FTP_HOST}:${FTP_PORT}"
 
 docker exec argus-metric-test-node bash -c "
 set -e
@@ -18,11 +23,11 @@ fi
 
 cd /tmp
 echo '[03] 下载 setup.sh...'
-curl -u ${FTP_USER}:${FTP_PASSWORD} ftp://${FTP_SERVER}:${FTP_PORT}/setup.sh -o setup.sh
+curl -u ${FTP_USER}:${FTP_PASSWORD} ftp://${FTP_HOST}:${FTP_PORT}/setup.sh -o setup.sh
 
 echo '[03] 执行安装...'
 chmod +x setup.sh
-bash setup.sh --server ${FTP_SERVER} --user ${FTP_USER} --password '${FTP_PASSWORD}' --port ${FTP_PORT}
+bash setup.sh --server ${FTP_HOST} --user ${FTP_USER} --password '${FTP_PASSWORD}' --port ${FTP_PORT}
 
 echo '[03] 安装完成'
 "
diff --git a/src/metric/tests/scripts/common/start-all.sh b/src/metric/tests/scripts/common/start-all.sh
index 003efc2..1b25bcb 100755
--- a/src/metric/tests/scripts/common/start-all.sh
+++ b/src/metric/tests/scripts/common/start-all.sh
@@ -43,6 +43,7 @@ BUILD_DIRS=(
     "../ftp/build"
     "../prometheus/build"
     "../grafana/build"
+    "client-test-node/build"
 )
 
 for dir in "${BUILD_DIRS[@]}"; do
@@ -86,7 +87,7 @@ echo "2. 准备 Docker 镜像..."
 
 # 检查镜像是否存在
 IMAGE_CACHE_DIR="$TEST_DIR/images-cache"
-IMAGES=("argus-metric-ftp:latest" "argus-metric-prometheus:latest" "argus-metric-grafana:latest" "ubuntu:22.04")
+IMAGES=("argus-metric-ftp:latest" "argus-metric-prometheus:latest" "argus-metric-grafana:latest" "argus-metric-test-node:latest")
 all_images_exist=true
 
 for image in "${IMAGES[@]}"; do
@@ -122,8 +123,8 @@ else
                     "argus-metric-grafana:latest")
                         cache_file="${IMAGE_CACHE_DIR}/argus-grafana.tar"
                         ;;
-                    "ubuntu:22.04")
-                        cache_file="${IMAGE_CACHE_DIR}/test-node.tar"
+                    "argus-metric-test-node:latest")
+                        cache_file="${IMAGE_CACHE_DIR}/argus-test-node.tar"
                         ;;
                 esac
                 
@@ -170,8 +171,8 @@ else
                     "argus-metric-grafana:latest")
                         docker save -o "${IMAGE_CACHE_DIR}/argus-grafana.tar" "$image" && echo "  已保存: argus-grafana.tar"
                         ;;
-                    "ubuntu:22.04")
-                        docker save -o "${IMAGE_CACHE_DIR}/test-node.tar" "$image" && echo "  已保存: test-node.tar"
+                    "argus-metric-test-node:latest")
+                        docker save -o "${IMAGE_CACHE_DIR}/argus-test-node.tar" "$image" && echo "  已保存: argus-test-node.tar"
                         ;;
                 esac
             done