proc-macro derive panicked
message: `""` is not a valid identifier

//! `SeaORM` Entity. Generated by sea-orm-codegen 0.11.0

use sea_orm::entity::prelude::*;

#[derive(Debug, Clone, PartialEq, Eq, EnumIter, DeriveActiveEnum)]
#[sea_orm(rs_type = "String", db_type = "Enum", enum_name = "cate")]
pub enum Cate {
    #[sea_orm(string_value = "開ける")]
    開ける,
}

...
            let enum_variant_iden = format_ident!("{}Variant", ident);
            let enum_variants: Vec<syn::Ident> = str_variants
                .iter()
                .map(|v| {
                    let v_cleaned = camel_case_with_escaped_non_uax31(v); // It turns the string into empty

                    format_ident!("{}", v_cleaned) // Error occurs here
                })
                .collect();
...

#[derive(Clone, Debug, PartialEq, Eq, EnumIter, DeriveActiveEnum)]
#[sea_orm(rs_type = "String", db_type = "Enum", enum_name = "status")]
pub enum Status {
    #[sea_orm(string_value = "Open")]
    Open,
    #[sea_orm(string_value = "열려_있는")]
    열려있는,
    #[sea_orm(string_value = "打开")]
    打开,
    #[sea_orm(string_value = "開ける")]
    開ける,
    #[sea_orm(string_value = "Нээлттэй")]
    Нээлттэй,
    #[sea_orm(string_value = "Открыть")]
    Открыть,
    #[sea_orm(string_value = "يفتح")]
    يفتح,
    #[sea_orm(string_value = "Close")]
    Close,
}