前端控制台：shopoperation.js:14 Uncaught TypeError: Cannot read property 'map' of null(anonymous function) @ shopoperation.js:14v @ zepto.min.js:2S.onreadystatechange @ zepto.min.js:2

前端代码：

$(function(){
	var initUrl='/o2oV1/shopadmin/getshopinitinfo';
	var registerShopUrl='/o2ov1/shopadmin/registershop';
	alert(initUrl);
	getShopInitInfo();
	function getShopInitInfo(){
		$.getJSON(initUrl,function(data){
			if(data.success){
				var tempHtml='';
				var tempAreaHtml='';
//错误点14行				data.shopCategoryList.map(function(item,index){
					tempHtml+='<option data-id="'+item.shopCategoryId+'">'+
					item.shopCategoryName+'</option>';
				});
				data.areaList.map(function(item,index){
					tempAreaHtml+='<option data-id="'+item.areaId+'">'+item.areaName
					+'</option>';
				});
				$('#shop-category').html(tempHtml);
				$('#area').html(tempAreaHtml);
			}
		});
	$('#submit').click(function(){
		var shop={};
		shop.shopName=$('#shop-name').val();
		shop.shopAddr=$('#shop-addr').val();
		shop.phone=$('#shop-phone').val();
		shop.shopInfo=$('#shop-info').val();
		shop.shopCategory={
				shopCategoryId:$('#shop-category').find('option').not(function(){
					return !this.selected;
				}).data('id')
		};
		shop.area={
				areaId:$('#area').find('option').not(function(){
					return !this.selected;
				}).data('id')
		};
		var shopImg=$('#shop-img')[0].files[0];
		var formData=new FormData();
		formData.append('shopImg',shopimg);
		formData.append('shopStr',JSON.stringify(shop));
		$.ajax({
			url:registerShopUrl,
			type:'POST',
			data:formData,
			contentType:false,
			processDate:false,
			cache:false,
			success:function(data){
				if(data.success){
					$.toast('提交成功！')
				}else{
					$.toast('提交失败'+ data.errMsg);
				}
			}
		});
	});	
	}
})