diff --git a/src/vendor/Export2Excel.js b/src/vendor/Export2Excel.js
index 5a0e2002..75f33ae1 100644
--- a/src/vendor/Export2Excel.js
+++ b/src/vendor/Export2Excel.js
@@ -4,156 +4,203 @@ require('script-loader!@/vendor/Blob');
 import XLSX from 'xlsx'
 
 function generateArray(table) {
-    var out = [];
-    var rows = table.querySelectorAll('tr');
-    var ranges = [];
-    for (var R = 0; R < rows.length; ++R) {
-        var outRow = [];
-        var row = rows[R];
-        var columns = row.querySelectorAll('td');
-        for (var C = 0; C < columns.length; ++C) {
-            var cell = columns[C];
-            var colspan = cell.getAttribute('colspan');
-            var rowspan = cell.getAttribute('rowspan');
-            var cellValue = cell.innerText;
-            if (cellValue !== "" && cellValue == +cellValue) cellValue = +cellValue;
+  var out = [];
+  var rows = table.querySelectorAll('tr');
+  var ranges = [];
+  for (var R = 0; R < rows.length; ++R) {
+    var outRow = [];
+    var row = rows[R];
+    var columns = row.querySelectorAll('td');
+    for (var C = 0; C < columns.length; ++C) {
+      var cell = columns[C];
+      var colspan = cell.getAttribute('colspan');
+      var rowspan = cell.getAttribute('rowspan');
+      var cellValue = cell.innerText;
+      if (cellValue !== "" && cellValue == +cellValue) cellValue = +cellValue;
 
-            //Skip ranges
-            ranges.forEach(function (range) {
-                if (R >= range.s.r && R <= range.e.r && outRow.length >= range.s.c && outRow.length <= range.e.c) {
-                    for (var i = 0; i <= range.e.c - range.s.c; ++i) outRow.push(null);
-                }
-            });
-
-            //Handle Row Span
-            if (rowspan || colspan) {
-                rowspan = rowspan || 1;
-                colspan = colspan || 1;
-                ranges.push({s: {r: R, c: outRow.length}, e: {r: R + rowspan - 1, c: outRow.length + colspan - 1}});
-            }
-            ;
-
-            //Handle Value
-            outRow.push(cellValue !== "" ? cellValue : null);
-
-            //Handle Colspan
-            if (colspan) for (var k = 0; k < colspan - 1; ++k) outRow.push(null);
+      //Skip ranges
+      ranges.forEach(function (range) {
+        if (R >= range.s.r && R <= range.e.r && outRow.length >= range.s.c && outRow.length <= range.e.c) {
+          for (var i = 0; i <= range.e.c - range.s.c; ++i) outRow.push(null);
         }
-        out.push(outRow);
+      });
+
+      //Handle Row Span
+      if (rowspan || colspan) {
+        rowspan = rowspan || 1;
+        colspan = colspan || 1;
+        ranges.push({
+          s: {
+            r: R,
+            c: outRow.length
+          },
+          e: {
+            r: R + rowspan - 1,
+            c: outRow.length + colspan - 1
+          }
+        });
+      };
+
+      //Handle Value
+      outRow.push(cellValue !== "" ? cellValue : null);
+
+      //Handle Colspan
+      if (colspan)
+        for (var k = 0; k < colspan - 1; ++k) outRow.push(null);
     }
-    return [out, ranges];
+    out.push(outRow);
+  }
+  return [out, ranges];
 };
 
 function datenum(v, date1904) {
-    if (date1904) v += 1462;
-    var epoch = Date.parse(v);
-    return (epoch - new Date(Date.UTC(1899, 11, 30))) / (24 * 60 * 60 * 1000);
+  if (date1904) v += 1462;
+  var epoch = Date.parse(v);
+  return (epoch - new Date(Date.UTC(1899, 11, 30))) / (24 * 60 * 60 * 1000);
 }
 
 function sheet_from_array_of_arrays(data, opts) {
-    var ws = {};
-    var range = {s: {c: 10000000, r: 10000000}, e: {c: 0, r: 0}};
-    for (var R = 0; R != data.length; ++R) {
-        for (var C = 0; C != data[R].length; ++C) {
-            if (range.s.r > R) range.s.r = R;
-            if (range.s.c > C) range.s.c = C;
-            if (range.e.r < R) range.e.r = R;
-            if (range.e.c < C) range.e.c = C;
-            var cell = {v: data[R][C]};
-            if (cell.v == null) continue;
-            var cell_ref = XLSX.utils.encode_cell({c: C, r: R});
-
-            if (typeof cell.v === 'number') cell.t = 'n';
-            else if (typeof cell.v === 'boolean') cell.t = 'b';
-            else if (cell.v instanceof Date) {
-                cell.t = 'n';
-                cell.z = XLSX.SSF._table[14];
-                cell.v = datenum(cell.v);
-            }
-            else cell.t = 's';
-
-            ws[cell_ref] = cell;
-        }
+  var ws = {};
+  var range = {
+    s: {
+      c: 10000000,
+      r: 10000000
+    },
+    e: {
+      c: 0,
+      r: 0
     }
-    if (range.s.c < 10000000) ws['!ref'] = XLSX.utils.encode_range(range);
-    return ws;
+  };
+  for (var R = 0; R != data.length; ++R) {
+    for (var C = 0; C != data[R].length; ++C) {
+      if (range.s.r > R) range.s.r = R;
+      if (range.s.c > C) range.s.c = C;
+      if (range.e.r < R) range.e.r = R;
+      if (range.e.c < C) range.e.c = C;
+      var cell = {
+        v: data[R][C]
+      };
+      if (cell.v == null) continue;
+      var cell_ref = XLSX.utils.encode_cell({
+        c: C,
+        r: R
+      });
+
+      if (typeof cell.v === 'number') cell.t = 'n';
+      else if (typeof cell.v === 'boolean') cell.t = 'b';
+      else if (cell.v instanceof Date) {
+        cell.t = 'n';
+        cell.z = XLSX.SSF._table[14];
+        cell.v = datenum(cell.v);
+      } else cell.t = 's';
+
+      ws[cell_ref] = cell;
+    }
+  }
+  if (range.s.c < 10000000) ws['!ref'] = XLSX.utils.encode_range(range);
+  return ws;
 }
 
 function Workbook() {
-    if (!(this instanceof Workbook)) return new Workbook();
-    this.SheetNames = [];
-    this.Sheets = {};
+  if (!(this instanceof Workbook)) return new Workbook();
+  this.SheetNames = [];
+  this.Sheets = {};
 }
 
 function s2ab(s) {
-    var buf = new ArrayBuffer(s.length);
-    var view = new Uint8Array(buf);
-    for (var i = 0; i != s.length; ++i) view[i] = s.charCodeAt(i) & 0xFF;
-    return buf;
+  var buf = new ArrayBuffer(s.length);
+  var view = new Uint8Array(buf);
+  for (var i = 0; i != s.length; ++i) view[i] = s.charCodeAt(i) & 0xFF;
+  return buf;
 }
 
 export function export_table_to_excel(id) {
-    var theTable = document.getElementById(id);
-    var oo = generateArray(theTable);
-    var ranges = oo[1];
+  var theTable = document.getElementById(id);
+  var oo = generateArray(theTable);
+  var ranges = oo[1];
 
-    /* original data */
-    var data = oo[0];
-    var ws_name = "SheetJS";
+  /* original data */
+  var data = oo[0];
+  var ws_name = "SheetJS";
 
-    var wb = new Workbook(), ws = sheet_from_array_of_arrays(data);
+  var wb = new Workbook(),
+    ws = sheet_from_array_of_arrays(data);
 
-    /* add ranges to worksheet */
-    // ws['!cols'] = ['apple', 'banan'];
-    ws['!merges'] = ranges;
+  /* add ranges to worksheet */
+  // ws['!cols'] = ['apple', 'banan'];
+  ws['!merges'] = ranges;
 
-    /* add worksheet to workbook */
-    wb.SheetNames.push(ws_name);
-    wb.Sheets[ws_name] = ws;
+  /* add worksheet to workbook */
+  wb.SheetNames.push(ws_name);
+  wb.Sheets[ws_name] = ws;
 
-    var wbout = XLSX.write(wb, {bookType: 'xlsx', bookSST: false, type: 'binary'});
+  var wbout = XLSX.write(wb, {
+    bookType: 'xlsx',
+    bookSST: false,
+    type: 'binary'
+  });
 
-    saveAs(new Blob([s2ab(wbout)], {type: "application/octet-stream"}), "test.xlsx")
+  saveAs(new Blob([s2ab(wbout)], {
+    type: "application/octet-stream"
+  }), "test.xlsx")
 }
 
-export function export_json_to_excel({header, data, filename, autoWidth=true}={}) {
-    /* original data */
-    filename=filename||'excel-list'
-    data=[...data]
-    data.unshift(header);
-    var ws_name = "SheetJS";
-    var wb = new Workbook(), ws = sheet_from_array_of_arrays(data);
+export function export_json_to_excel({
+  header,
+  data,
+  filename,
+  autoWidth = true
+} = {}) {
+  /* original data */
+  filename = filename || 'excel-list'
+  data = [...data]
+  data.unshift(header);
+  var ws_name = "SheetJS";
+  var wb = new Workbook(),
+    ws = sheet_from_array_of_arrays(data);
 
-    if(autoWidth){
-      /*设置worksheet每列的最大宽度*/
-      const colWidth = data.map(row => row.map(val => {
-        /*先判断是否为null/undefined*/
-        if (val == null) {
-          return {'wch': 10};
-        }
-        /*再判断是否为中文*/
-        else if (val.toString().charCodeAt(0) > 255) {
-          return {'wch': val.toString().length * 2};
-        } else {
-          return {'wch': val.toString().length};
-        }
-      }))
-      /*以第一行为初始值*/
-      let result = colWidth[0];
-      for (let i = 1; i < colWidth.length; i++) {
-        for (let j = 0; j < colWidth[i].length; j++) {
-          if (result[j]['wch'] < colWidth[i][j]['wch']) {
-            result[j]['wch'] = colWidth[i][j]['wch'];
-          }
+  if (autoWidth) {
+    /*设置worksheet每列的最大宽度*/
+    const colWidth = data.map(row => row.map(val => {
+      /*先判断是否为null/undefined*/
+      if (val == null) {
+        return {
+          'wch': 10
+        };
+      }
+      /*再判断是否为中文*/
+      else if (val.toString().charCodeAt(0) > 255) {
+        return {
+          'wch': val.toString().length * 2
+        };
+      } else {
+        return {
+          'wch': val.toString().length
+        };
+      }
+    }))
+    /*以第一行为初始值*/
+    let result = colWidth[0];
+    for (let i = 1; i < colWidth.length; i++) {
+      for (let j = 0; j < colWidth[i].length; j++) {
+        if (result[j]['wch'] < colWidth[i][j]['wch']) {
+          result[j]['wch'] = colWidth[i][j]['wch'];
         }
       }
-      ws['!cols'] = result;
     }
+    ws['!cols'] = result;
+  }
 
-    /* add worksheet to workbook */
-    wb.SheetNames.push(ws_name);
-    wb.Sheets[ws_name] = ws;
+  /* add worksheet to workbook */
+  wb.SheetNames.push(ws_name);
+  wb.Sheets[ws_name] = ws;
 
-    var wbout = XLSX.write(wb, {bookType: 'xlsx', bookSST: false, type: 'binary'});
-    saveAs(new Blob([s2ab(wbout)], {type: "application/octet-stream"}), filename + ".xlsx");
+  var wbout = XLSX.write(wb, {
+    bookType: 'xlsx',
+    bookSST: false,
+    type: 'binary'
+  });
+  saveAs(new Blob([s2ab(wbout)], {
+    type: "application/octet-stream"
+  }), filename + ".xlsx");
 }