修复变量定义引发的gulp任务警告

@@ -56,21 +56,21 @@ class Inventory extends Base {
         if (data[1] !== '2') {
             var newdata = _.chunk(data, 17);
             for(let l = 0; l < newdata.length; l++) {
-                let data = newdata[l];
-                for (let i = 0; i < data.length; i++) {
-                    if (data[i].length < 2 && i > 2) {
-                        data[i] = '0' + data[i];
+                let item = newdata[l];
+                for (let i = 0; i < item.length; i++) {
+                    if (item[i].length < 2 && i > 2) {
+                        item[i] = '0' + item[i];
                     }
                 }
 
-                retEpc = _.slice(data, 5);
+                retEpc = _.slice(item, 5);
 
                 retData.push({
-                    ant: Number(data[2]),
-                    rssi: hexToTen(data[3] + data[4], true) / 10,
+                    ant: Number(item[2]),
+                    rssi: hexToTen(item[3] + item[4], true) / 10,
                     epc: retEpc.join('')
                 });
-                retKey = _.slice(data, 0, 1);
+                retKey = _.slice(item, 0, 1);
             }
         } else {
             retKey = data;