diff --git a/demo/demolist/Demo0405.js b/demo/demolist/Demo0405.js
index 69490f8..fdd93fb 100644
--- a/demo/demolist/Demo0405.js
+++ b/demo/demolist/Demo0405.js
@@ -13,6 +13,7 @@ import sum from "../../src/lib/sum.js";
import multiSelect from "../../src/lib/multiSelect.js";
let ComplexTable = multiSelect(sum(Table), Checkbox);
+//sum第二个参数可以设置精度,例如 sum(Table,4); 设计精度为4
let _sum = 0;
const columns = [
{
diff --git a/demo/index.js b/demo/index.js
index 0230465..c602a34 100644
--- a/demo/index.js
+++ b/demo/index.js
@@ -8,7 +8,7 @@ import Button from '../src';
-var Demo0101 = require("./demolist/Demo0101");var Demo0102 = require("./demolist/Demo0102");var Demo0103 = require("./demolist/Demo0103");var Demo0104 = require("./demolist/Demo0104");var Demo0105 = require("./demolist/Demo0105");var Demo0106 = require("./demolist/Demo0106");var Demo0107 = require("./demolist/Demo0107");var Demo0201 = require("./demolist/Demo0201");var Demo0202 = require("./demolist/Demo0202");var Demo0301 = require("./demolist/Demo0301");var Demo0302 = require("./demolist/Demo0302");var Demo0402 = require("./demolist/Demo0402");var Demo0404 = require("./demolist/Demo0404");var Demo0405 = require("./demolist/Demo0405");var Demo0406 = require("./demolist/Demo0406");var Demo0501 = require("./demolist/Demo0501");var Demo0502 = require("./demolist/Demo0502");var Demo0503 = require("./demolist/Demo0503");var Demo0505 = require("./demolist/Demo0505");var Demo0601 = require("./demolist/Demo0601");var Demo0602 = require("./demolist/Demo0602");var Demo0603 = require("./demolist/Demo0603");var Demo0701 = require("./demolist/Demo0701");var Demo0702 = require("./demolist/Demo0702");var Demo0802 = require("./demolist/Demo0802");var Demo0901 = require("./demolist/Demo0901");var Demo0902 = require("./demolist/Demo0902");var Demo0903 = require("./demolist/Demo0903");var Demo1001 = require("./demolist/Demo1001");var Demo1002 = require("./demolist/Demo1002");var Demo1101 = require("./demolist/Demo1101");var Demo1102 = require("./demolist/Demo1102");var Demo1103 = require("./demolist/Demo1103");var Demo1105 = require("./demolist/Demo1105");var Demo1106 = require("./demolist/Demo1106");var Demo1107 = require("./demolist/Demo1107");var Demo1108 = require("./demolist/Demo1108");var Demo1201 = require("./demolist/Demo1201");var Demo1301 = require("./demolist/Demo1301");var Demo1302 = require("./demolist/Demo1302");var Demo1401 = require("./demolist/Demo1401");var Demo1402 = require("./demolist/Demo1402");var Demo1403 = require("./demolist/Demo1403");var Demo1404 = require("./demolist/Demo1404");var Demo1601 = require("./demolist/Demo1601");var DemoArray = [{"example":