diff --git a/sync-accounts.sh b/sync-accounts.sh
index 1f77ae6..58fbd95 100755
--- a/sync-accounts.sh
+++ b/sync-accounts.sh
@@ -105,6 +105,41 @@ else
     REMOTE_COUNT=0
 fi
 
+# Step 1.5: 检测 Docker 镜像版本（仅 docker-compose 模式）
+if [[ "$DEPLOY_TYPE" == "docker-compose" ]]; then
+    log_info "正在检测远程镜像版本..."
+    
+    # 检查远程 auth.js 是否包含多账号检测逻辑
+    MULTI_ACCOUNT_SUPPORT=$(ssh "$SERVER" "docker exec $DOCKER_SERVICE_NAME cat /app/auth.js 2>/dev/null | grep -c 'accounts.json' || echo 0" 2>/dev/null || echo "error")
+    
+    if [[ "$MULTI_ACCOUNT_SUPPORT" == "error" || "$MULTI_ACCOUNT_SUPPORT" == "" ]]; then
+        log_warn "无法检测镜像版本（容器可能未运行）"
+    elif [[ "$MULTI_ACCOUNT_SUPPORT" == "0" ]]; then
+        echo ""
+        echo "══════════════════════════════════════════════════════════════"
+        log_error "⚠️  远程镜像版本过旧，不支持多账号功能！"
+        echo "══════════════════════════════════════════════════════════════"
+        echo ""
+        log_info "请在服务器上执行以下命令更新镜像："
+        echo ""
+        echo "  cd $REMOTE_PATH"
+        echo "  git pull origin main"
+        echo "  docker compose build --no-cache"
+        echo "  docker compose up -d"
+        echo ""
+        log_info "更新完成后，重新运行本脚本同步配置。"
+        echo ""
+        read -p "是否继续同步配置？(不推荐) (y/N) " -n 1 -r
+        echo ""
+        if [[ ! $REPLY =~ ^[Yy]$ ]]; then
+            log_warn "已取消同步"
+            exit 0
+        fi
+    else
+        log_success "远程镜像支持多账号功能"
+    fi
+fi
+
 # Step 2: 显示本地账号数量
 LOCAL_COUNT=$(jq '.accounts | length' "$LOCAL_FILE")
 log_info "本地现有 $LOCAL_COUNT 个账号"