## toml config

```toml
grpc_port=1234
mysql_port=1235

[site]
title="a b c"
password="xyz"

[site.xxai_art]
hide=true
    
```
## convert env into toml

```toml
grpc_port=9999
compress=true
[site.xxai_art]
mail="xxai.art@gmail.com"
[server]
host="127.0.0.1"
[site]
title="xxAI.Art - 我们计算艺术"

```
## merge config and env

```toml
compress = true
grpc_port = 9999
mysql_port = 1235

[server]
host = "127.0.0.1"

[site]
password = "xyz"
title = "xxAI.Art - 我们计算艺术"

[site.xxai_art]
hide = true
mail = "xxai.art@gmail.com"

```