Node.js 在节点中使用Mandrill API时合并变量不工作

这是我的密码：

export class EmailGateway {
    constructor(mandrill, person) {
        this.person = person;
        this.to = [{
            "email": this.person.email,
            "name": `${this.person.first} ${this.person.last}`,
            "type": "to"
        }];
        this.mandrill = mandrill;
    }

    sendTemplateMessage(templateName, mergeVars) {
        return new Bluebird((resolve, reject) => {
            this.mandrill.messages.sendTemplate({
                "template_name": templateName,
                "template_content": [],
                "async": true,
                "message": {
                    "to": this.to,
                    "global_merge_vars": mergeVars,
                    "merge": true
                }
            }, resolve, reject);
        });
    }
}

    let person = config.person.person;
    let e = new EmailGateway(client, person);
    let mergeVars = [
        {
            "name": "first_name",
            "content": person.first
        },
        {
            "name": "cs_date",
            "content": config.callsheet.related('day').get('date')
        },
        {
            "name": "calltime",
            "content": person.callTime
        },
        {
            "name": "parking_location",
            "content": config.callsheet.related('misc').related('location').fullLocation()
        },
        {
            "name": "notes",
            "content": ""
        },
        {
            "name": "dept_notes",
            "content": config.note
        },
        {
            "name": "cs_confirmlink",
            "content": "http://www.setheroapp.com/"
        },
        {
            "name": "cs_link",
            "content": "http://www.setheroapp.com/"
        }
    ];

    e.sendTemplateMessage('Callsheet Email', mergeVars).then(res => {
        console.log(res);
        return next(null, res);
    }).catch(e => {
        console.log(e);
    });

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每次发送带有上述代码的电子邮件时，我都会收到电子邮件，但没有一个合并变量被替换。

将我在Mandrill中的合并变量从MailChimp标记更改为Handlebar标记，现在一切正常