修复权限验证问题：普通用户无法访问后台管理页面

demo/start-backend.ps1

@@ -0,0 +1,48 @@
+# 启动后端服务脚本
+Write-Host "正在启动后端服务..." -ForegroundColor Green
+
+# 检查jar文件是否存在
+if (-not (Test-Path "target/demo-0.0.1-SNAPSHOT.jar")) {
+    Write-Host "错误: jar文件不存在，请先编译项目" -ForegroundColor Red
+    exit 1
+}
+
+# 启动服务
+Write-Host "启动Spring Boot应用..." -ForegroundColor Yellow
+$process = Start-Process -FilePath "java" -ArgumentList "-jar", "target/demo-0.0.1-SNAPSHOT.jar", "--spring.profiles.active=dev" -PassThru -NoNewWindow
+
+Write-Host "服务进程ID: $($process.Id)" -ForegroundColor Cyan
+
+# 等待服务启动
+Write-Host "等待服务启动..." -ForegroundColor Yellow
+$timeout = 60
+$elapsed = 0
+
+while ($elapsed -lt $timeout) {
+    Start-Sleep -Seconds 2
+    $elapsed += 2
+    
+    # 检查端口是否监听
+    $listening = netstat -an | Select-String ":8080.*LISTENING"
+    if ($listening) {
+        Write-Host "✓ 服务已成功启动在端口8080!" -ForegroundColor Green
+        Write-Host "进程ID: $($process.Id)" -ForegroundColor Cyan
+        Write-Host "按 Ctrl+C 停止服务" -ForegroundColor Yellow
+        
+        # 保持服务运行
+        try {
+            $process.WaitForExit()
+        } catch {
+            Write-Host "服务已停止" -ForegroundColor Red
+        }
+        break
+    }
+    
+    Write-Host "等待中... $elapsed/$timeout 秒" -ForegroundColor Gray
+}
+
+if ($elapsed -ge $timeout) {
+    Write-Host "✗ 服务启动超时" -ForegroundColor Red
+    Stop-Process -Id $process.Id -Force
+    exit 1
+}