我刚刚尝试过，它似乎在v2中对我有用:

I just tried it and it seems to work for me in v2:

{
  "http": {
    "routePrefix": ""
  }
}

启动功能主机时看到的输出是什么?它应该打印出您的主机配置文件的JSON内容.

What is the output you see when you start up the functions host?  It should print out your Host configuration file JSON contents.