放到cpa里使用的，现在报错 
Error: 403: {“code”:null,“message”:“OpenCode’s free models aren’t available from your current network because we’ve detected abusive traffic from this IP address. This isn’t related to your account. If you’re on a VPN or proxy, turn it off and try again, or subscribe to OpenCode Go at OpenCode Go | 人人可用的低成本编程模型 to keep building.”,“param”:null,“type”:“upstream_error”}