电子邮件模板 - 标签无法识别Mandrill

Below is logged JSON

"global_merge_vars":[
    {"name":"subject","content":"New business call"},
    {"name":"forename","content":"Hanis"},
    {"name":"surname","content":"Sabanas Ikir"},
    {"name":"businessname","content":"Hanis Sabanas Ikir"},
    {"name":"businessphone","content":"012381237612"},
    {"name":"calltime","content":"12\/11\/18 14:30pm"}
]}

All tags has been regconized *|SURNAME|*, *|BUSINESSNAME|*, *|BUSINESSPHONE|*, *|CALLTIME|*, only *|FORENAME|* is not.

I also set merge_language is mailchimp. Only forename was ignored.
The problem was destroyed a lots of my time, no expected results.