如何在SwiftUI表单中消除上一节的空格？

import SwiftUI

struct ContentView: View {
    var body: some View {
        NavigationView {
            Form {
                Section(header: Text("个人信息")) {
                    TextField("姓名", text: .constant("张三"))
                    TextField("年龄", text: .constant("30"))
                }
                
                // 使用Spacer消除上一节的空格
                Spacer(minLength: 0)
                
                Section(header: Text("联系方式")) {
                    TextField("邮箱", text: .constant("zhangsan@example.com"))
                    TextField("电话", text: .constant("123-456-7890"))
                }
            }
            .navigationTitle("表单示例")
        }
    }
}

struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        ContentView()
    }
}