EXTJS 下拉框选中后修改某个值

me.familyDoctor = Ext.create('Ext.ux.form.DictCombo', {
sqlAdd: "and org_id = " + JsHelper.GetUserInfo().OrgId,
fieldLabel: "家庭医生", name: "FAMILY_DOCTOR", editable: true, dictName: "V_FAMILY_TEAM_DICT", labelWidth: 90, width: 350, forceSelection: true, value: JsHelper.GetUserInfo().StaffCode, allowBlank: false,
listeners: {
'change': function () {
me.LoadDataDoctorTel(me.familyDoctor.getValue());
}
}
});