问与ng-options中的硬编码json相比，解析动态json时出错

EN

$scope.AvailableListItems = [
    [{Id:1,SupplierName: 'john.banks'},
    {Id: 2,SupplierName: 'jim.chevy'}, 
    {Id: 3,SupplierName: 'ralph.stocks'}]
];

<select multiple id="availabelist" size="10" style="width:100%" ng-change="OnAvailableChange()" ng-model="SelectedAvailItems" ng-options="i as i.email for i in AvailableListItems[selectFaIndex]| filter:availablequery"></select>

 var getSuppliers = function () {  
            var tempArray = [];
            var lstsuppliers = CRUDService.getApiOutput(getSuppliersApiRoute);
            lstsuppliers.then(
                function (response) {
                    debugger;
                    $scope.supplierList = response.data;
                    for (var i = 0; i < $scope.supplierList.length; i++) {
                        arr = {};
                        arr["Id"] = $scope.supplierList[i].supplierId;
                        arr["SupplierName"] = $scope.supplierList[i].supplierName;
                        tempArray.push(arr);
                    }
                    $scope.AvailableListItems = tempArray;
                    console.log(JSON.stringify($scope.AvailableListItems));
                },
                function (error) {
                    console.log("Error: " + error);
                });
}

[{"Id":1,"SupplierName":"ACECO PRECISION MANUFACTURING"},{"Id":2,"SupplierName":"Pentagon EMS Corporation"},{"Id":3,"SupplierName":"QUANTUMCLEAN"},{"Id":4,"SupplierName":"MODERN CERAMICS"},{"Id":5,"SupplierName":"NXEDGE INC"}]