ng-model in input not working

[elahekaramzade]

this is how I use ADM-datepicker in my code

   <adm-dtp ng-model="insuranceIndivisualCrtl.dateOfBirth" options='{formated: "1360/03/15", calType: "jalali",format: "YYYY/MM/DD",default:"",dtpType:"date",multiple:false,autoClose:true,watchingOptions:true}'>
      <div class="input-group date">
                <a dtp-toggle="dtp-toggle" class="input-group-addon">
                        <i class="fa fa-calendar"></i>
                </a>
                 <input type="text" ng-model="insuranceIndivisualCrtl.dateOfBirth" placeholder="تاریخ" dtp-input="dtp-input" class="form-control persian-digits" />
    </div>
 </adm-dtp>

when i writning in input it's not working and send null to server. but if i select from calender it works fine.

ncaught TypeError: Cannot read property 'unix' of undefined at m.t.modelChanged (VM2604 ADM-dateTimePicker.min.js:11) at HTMLInputElement. (VM2604 ADM-dateTimePicker.min.js:11) at HTMLInputElement.dispatch (jquery-3.1.1.min.js:3) at HTMLInputElement.q.handle (jquery-3.1.1.min.js:3) t.modelChanged @ VM2604 ADM-dateTimePicker.min.js:11 (anonymous) @ VM2604 ADM-dateTimePicker.min.js:11 dispatch @ jquery-3.1.1.min.js:3 q.handle @ jquery-3.1.1.min.js:3