[Bug] Can not gomobile buid

[mohuangNPC]

Verify steps

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Version

mian

What OS are you seeing the problem on?

Windows

Description

I tried to use gomobile bind as aar in the latest version, but it prompted an error message: no exported names in the package "github.com/xjasonlyu/tun2socks/v2/engine". However, engine clearly has an export method. I executed it on Windows. Is it related to the system?

CLI or Config

No response

Logs

gomobile: E:\SDK\GOPATH\bin\gobind.exe -lang=go,java -outdir=C:\Users\MOHUAN~1\AppData\Local\Temp\gomobile-work-1293058633 github.com/xjasonlyu/tun2socks/v2/engine failed: exit status 1
no exported names in the package "github.com/xjasonlyu/tun2socks/v2/engine"
no exported names in the package "github.com/xjasonlyu/tun2socks/v2/engine"
no exported names in the package "github.com/xjasonlyu/tun2socks/v2/engine"
no exported names in the package "github.com/xjasonlyu/tun2socks/v2/engine"

How to Reproduce

No response