diff --git a/package.json b/package.json
index d1f66739..a027b85f 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,6 @@
     "less": "^3.9.0",
     "less-loader": "^4.1.0",
     "lodash": "^4.17.21",
-    "mathjs": "^11.1.0",
     "mini-css-extract-plugin": "0.11.3",
     "moment": "^2.29.1",
     "optimize-css-assets-webpack-plugin": "5.0.4",
diff --git a/src/components/UseCouponAddEdit/index copy 2.jsx b/src/components/UseCouponAddEdit/index copy 2.jsx
deleted file mode 100644
index be3afd47..00000000
--- a/src/components/UseCouponAddEdit/index copy 2.jsx	
+++ /dev/null
@@ -1,435 +0,0 @@
-import React, { forwardRef, useImperativeHandle, useRef } from "react";
-import { useSetState } from "ahooks";
-import { FixedSizeList } from "react-window";
-import {
-  Card,
-  DateRangePicker,
-  Button,
-  LayoutRow as Row,
-  LayoutCol as Col,
-  LayoutGrid as Grids,
-  Select,
-} from "zent";
-import moment from "moment";
-
-import Ipt from "@/components/input/main";
-import Form from "@/components/form/main";
-import FormItem from "@/components/form-item/main";
-import Grid from "@/components/gird/main.js";
-
-import "./style.less";
-
-const tableColumn = [
-  {
-    title: "商品编号",
-    name: "key_code",
-    prop: "key_code",
-    type: "normal",
-    width: "auto",
-  },
-  {
-    title: "商品名称",
-    name: "key_code",
-    prop: "key_code",
-    type: "normal",
-    width: "auto",
-  },
-  {
-    title: "官方价",
-    name: "key_code",
-    prop: "key_code",
-    type: "normal",
-    width: "auto",
-  },
-  {
-    title: "合同单价",
-    name: "key_code",
-    prop: "key_code",
-    type: "normal",
-    width: "auto",
-  },
-  {
-    title: "库存数量",
-    name: "key_code",
-    prop: "key_code",
-    type: "normal",
-    width: "auto",
-  },
-  {
-    title: "批次号",
-    name: "key_code",
-    prop: "key_code",
-    type: "normal",
-    width: "auto",
-  },
-  {
-    title: "总预算",
-    name: "key_code",
-    prop: "key_code",
-    type: "normal",
-    width: "auto",
-  },
-  {
-    title: "有效时间段",
-    name: "key_code",
-    prop: "key_code",
-    type: "normal",
-    width: "auto",
-  },
-  {
-    title: "创建时间",
-    name: "key_code",
-    prop: "key_code",
-    type: "normal",
-    width: "auto",
-  },
-  {
-    title: "类型",
-    name: "key_code",
-    prop: "key_code",
-    type: "normal",
-    width: "auto",
-  },
-  {
-    title: "上游平台",
-    name: "key_code",
-    prop: "key_code",
-    type: "normal",
-    width: "auto",
-  },
-  {
-    title: "操作",
-    name: "key_code",
-    prop: "key_code",
-    type: "normal",
-    width: "auto",
-  },
-];
-
-const rules = {
-  name: [{ type: "required", message: "请输入批次名称" }],
-};
-
-const UseCouponAddEdit = forwardRef((props, ref) => {
-  /**
-   * type 入口类型 0优惠券新增 1计划、key批次 (是否显示两个字段)
-   */
-  const { type = 0 } = props;
-  const [state, setState] = useSetState({
-    setup1_title: "基本信息",
-    setup2_title: "发放规则",
-    setup3_title: "商品范围",
-    disabled: false,
-    model: {
-      name: "",
-      date_time: "",
-    },
-    tableData: [],
-    tableHeight: 500,
-    page: 1,
-    dataCount: 0,
-    rankoptions: [],
-    rank: [],
-    newGoodsBtnLoading: false,
-    newGoldLoading: false,
-    lodgingTable: true,
-    plan_OPTIONS: [
-      {
-        key: "1",
-        text: `plan 1`,
-      },
-    ],
-    key_OPTIONS: [
-      {
-        key: "1",
-        text: `key 1`,
-      },
-    ],
-  });
-
-  useImperativeHandle(ref, () => ({
-    submit: submit,
-  }));
-
-  const form_el = useRef(null);
-  const table_el = useRef(null);
-
-  const submit = () => {
-    let el = form_el.current.validator();
-    console.log("el =>", el);
-  };
-
-  const onReturn = () => {};
-  const onChangeCombinedDate = () => {};
-  const onDisabledRange = (date, type) => {
-    let disabled = false;
-    if (type == "end") {
-      disabled = moment(date.getTime()).add(1, "days") <= new Date().getTime();
-    }
-    if (type == "start") {
-      disabled = date.getTime() <= new Date().getTime();
-    }
-    return disabled;
-  };
-  const onPageChange = () => {};
-  const onCountChange = () => {};
-  const selectionFun = () => {};
-  const onRankChange = () => {};
-  const addProduct = () => {};
-  const renderOptionList = (options, renderOption) => {
-    return (
-      <FixedSizeList
-        height={8.5 * 32}
-        itemCount={options.length}
-        itemSize={32}
-        width={240}
-      >
-        {({ index, style }) => (
-          <div style={style}>{renderOption(options[index], index)}</div>
-        )}
-      </FixedSizeList>
-    );
-  };
-  const plan_key_formEl = () => {
-    return (
-      <>
-        <FormItem labelname="归属计划" prop="gs_plan">
-          <Select
-            clearable
-            options={state.plan_OPTIONS}
-            placeholder="选择一项"
-            renderOptionList={renderOptionList}
-          />
-        </FormItem>
-        <FormItem labelname="归属key" prop="gs_key">
-          <Select
-            clearable
-            options={state.key_OPTIONS}
-            placeholder="选择一项"
-            renderOptionList={renderOptionList}
-          />
-        </FormItem>
-      </>
-    );
-  };
-  return (
-    <div className="coupon-box">
-      <Form model={state.model} rules={rules} ref={form_el}>
-        <Card style={{ margin: "10px auto" }} title={state.setup1_title}>
-          {/* 是否显示两个字段 */}
-          {type === 1 ? plan_key_formEl() : null}
-
-          <FormItem labelname="批次名称" prop="name">
-            <Ipt
-              onChange={(e) => {
-                setState({ model: { name: e } });
-              }}
-              onClearItem={() => {
-                setState({ model: { name: "" } });
-              }}
-              value={state.model.name}
-              placeholder={"请输入"}
-              labelWidth={"0px"}
-              maxLength={20}
-              height={"36px"}
-              countShow={true}
-              width={"520px"}
-              alignment={"left"}
-            />
-          </FormItem>
-
-          <FormItem labelname="生效时间段" prop="date_time">
-            <DateRangePicker
-              className="zent-datepicker-plan"
-              showTime={{
-                format: "HH:mm:ss",
-                defaultTime: [moment().format("HH:mm:ss"), "23:59:59"],
-              }}
-              format="YYYY-MM-DD HH:mm:ss"
-              disabled={[state.disabled, false]}
-              value={state.model.date_time}
-              onChange={(e) => {
-                onChangeCombinedDate(e);
-              }}
-              disabledDate={onDisabledRange}
-            />
-          </FormItem>
-        </Card>
-        <Card style={{ margin: "10px auto" }} title={state.setup2_title}>
-          <Grids>
-            <Row>
-              <Col span={3}>
-                <p>
-                  面额 <span className="mustwrite">*</span>
-                </p>
-              </Col>
-              <Col span={2}>
-                <div className="justify-box">
-                  <span>满</span>
-                  <Ipt
-                    onChange={(e) => {
-                      setState({ model: { name: e } });
-                    }}
-                    onClearItem={() => {
-                      setState({ model: { name: "" } });
-                    }}
-                    value={state.model.name}
-                    placeholder={"请输入"}
-                    labelWidth={"0px"}
-                    maxLength={20}
-                    height={"36px"}
-                    countShow={false}
-                    width={"130px"}
-                    alignment={"left"}
-                  />
-                </div>
-              </Col>
-
-              <Col span={3}>
-                <div className="justify-box">
-                  <span style={{ paddingRight: "10px" }}>减</span>
-                  <Ipt
-                    onChange={(e) => {
-                      setState({ model: { name: e } });
-                    }}
-                    onClearItem={() => {
-                      setState({ model: { name: "" } });
-                    }}
-                    value={state.model.name}
-                    placeholder={"请输入"}
-                    labelWidth={"0px"}
-                    maxLength={20}
-                    height={"36px"}
-                    countShow={false}
-                    width={"130px"}
-                    alignment={"left"}
-                    unit="元"
-                  />
-                </div>
-              </Col>
-            </Row>
-          </Grids>
-
-          <FormItem labelname="发放总量" prop="name">
-            <Ipt
-              onChange={(e) => {
-                setState({ model: { name: e } });
-              }}
-              onClearItem={() => {
-                setState({ model: { name: "" } });
-              }}
-              value={state.model.name}
-              placeholder={"请输入"}
-              labelWidth={"0px"}
-              maxLength={20}
-              height={"36px"}
-              countShow={false}
-              width={"520px"}
-              alignment={"left"}
-              unit="个"
-            />
-          </FormItem>
-
-          <FormItem labelname="总预算" prop="name">
-            <Ipt
-              onChange={(e) => {
-                setState({ model: { name: e } });
-              }}
-              onClearItem={() => {
-                setState({ model: { name: "" } });
-              }}
-              value={state.model.name}
-              placeholder={"请输入"}
-              labelWidth={"0px"}
-              maxLength={20}
-              height={"36px"}
-              countShow={false}
-              width={"520px"}
-              alignment={"left"}
-              unit="元"
-            />
-          </FormItem>
-        </Card>
-        <Card style={{ margin: "10px auto" }} title={state.setup3_title}>
-          <FormItem labelname="商品范围" prop="rank" id="rank">
-            <div className="goods-boxs">
-              <Select
-                options={state.rankoptions}
-                multiple
-                value={state.rank}
-                placeholder="选择一项"
-                width={405}
-                onChange={(e) => {
-                  onRankChange(e);
-                }}
-              />
-              <Button
-                type="primary"
-                style={{ marginLeft: "20px" }}
-                loading={state.newGoodsBtnLoading}
-                onClick={() => {
-                  addProduct("addProduct");
-                }}
-              >
-                新建商品
-              </Button>
-              <Button
-                type="primary"
-                style={{ marginLeft: "20px" }}
-                loading={state.newGoldLoading}
-                onClick={() => {
-                  addProduct("addKnockGold");
-                }}
-                disabled={
-                  !JSON.parse(sessionStorage.getItem("isEarlyWarningMan"))
-                }
-              >
-                新建立减金
-              </Button>
-            </div>
-          </FormItem>
-
-          <Grid
-            spliteColor={"#fff"}
-            tableData={state.tableData}
-            Column={tableColumn}
-            countbarVisible={false}
-            maxheight={state.tableHeight}
-            isSwitch={false}
-            page={state.page}
-            ref={table_el}
-            dataCount={state.dataCount}
-            pageChange={(e) => onPageChange(e)}
-            emptyText={
-              state.lodgingTable
-                ? "抱歉，暂无相关数据记录"
-                : "查询 请输入【分销商】或【计划名称】或【key】进行查询"
-            }
-            countChange={(e) => onCountChange(e)}
-            checkChange={(data) => selectionFun(data)}
-            ComponentHandler={(com, rowData) => {
-              if (com == "dates") {
-                return (
-                  <span>
-                    {rowData.begin_time} 至 {rowData.end_time}
-                  </span>
-                );
-              }
-            }}
-          />
-        </Card>
-      </Form>
-
-      <div className="step-btn-group">
-        <Button type="primary" onClick={() => submit()}>
-          提交审核
-        </Button>
-        <Button type="normal" onClick={() => onReturn()}>
-          取消
-        </Button>
-      </div>
-    </div>
-  );
-});
-
-export default UseCouponAddEdit;
diff --git a/src/components/UseCouponAddEdit/index.jsx b/src/components/UseCouponAddEdit/index.jsx
index 7ec3c489..ab30a791 100644
--- a/src/components/UseCouponAddEdit/index.jsx
+++ b/src/components/UseCouponAddEdit/index.jsx
@@ -1,17 +1,8 @@
 import React, { forwardRef, useImperativeHandle, useRef } from "react";
 import { useSetState } from "ahooks";
 import { FixedSizeList } from "react-window";
-import * as math from "mathjs"; // https://github.com/josdejong/mathjs
-import { isAmount, isPosIntNumber } from "@/tools/validate";
-import {
-  Card,
-  DateRangePicker,
-  Button,
-  LayoutRow as Row,
-  LayoutCol as Col,
-  LayoutGrid as Grids,
-  Select,
-} from "zent";
+import { isAmount } from "@/tools/validate";
+import { Card, DateRangePicker, Button, Select } from "zent";
 import moment from "moment";
 
 import Ipt from "@/components/input/main";
@@ -259,11 +250,6 @@ const UseCouponAddEdit = forwardRef((props, ref) => {
     );
   };
 
-  function print(value) {
-    const precision = 14;
-    console.log(math.format(value, precision));
-  }
-
   // 判断是否可用
   const setIsRestrict = () => {
     if (isAmount(form_rule_data.reduce) && isAmount(form_rule_data.full)) {
@@ -275,17 +261,19 @@ const UseCouponAddEdit = forwardRef((props, ref) => {
 
   // 计算总预算
   const setQuantity = () => {
-    print(math.multiply(math.bignumber(10), math.bignumber(10000000)));
-
-    // subtract减法 multiply乘法
-    let num = math.multiply(
-      Number(form_rule_data.restrict),
-      Number(form_rule_data.reduce)
-    );
-    num = math.format(num, { precision: 14 });
-    setForm_rule_data({
-      quantity: num,
-    });
+    if (isAmount(form_rule_data.reduce) && isAmount(form_rule_data.restrict)) {
+      let num = Math.mulNum(
+        Number(form_rule_data.reduce),
+        Number(form_rule_data.restrict)
+      );
+      setForm_rule_data({
+        quantity: num,
+      });
+    } else {
+      setForm_rule_data({
+        quantity: "",
+      });
+    }
   };
   return (
     <div className="coupon-box">
diff --git a/src/tools/number.js b/src/tools/number.js
new file mode 100644
index 00000000..4307f8b7
--- /dev/null
+++ b/src/tools/number.js
@@ -0,0 +1,88 @@
+/**
+ * 加法运算
+ * @param {Number} a
+ * @param {Number} b
+ * @example Math.addNum(0.3 , 0.6) // => 0.9
+ */
+const addNum = (a, b) => {
+  var c, d, e
+  try {
+    c = a.toString().split('.')[1].length
+  } catch (f) {
+    c = 0
+  }
+  try {
+    d = b.toString().split('.')[1].length
+  } catch (f) {
+    d = 0
+  }
+  return (e = Math.pow(10, Math.max(c, d))), (mulNum(a, e) + mulNum(b, e)) / e
+}
+
+/**
+ * 减法运算
+ * @param {Number} a
+ * @param {Number} b
+ * @example Math.subNum(0.3 , 0.2) // => 0.1
+ */
+const subNum = (a, b) => {
+  var c, d, e
+  try {
+    c = a.toString().split('.')[1].length
+  } catch (f) {
+    c = 0
+  }
+  try {
+    d = b.toString().split('.')[1].length
+  } catch (f) {
+    d = 0
+  }
+  return (e = Math.pow(10, Math.max(c, d))), (mulNum(a, e) - mulNum(b, e)) / e
+}
+
+/**
+ * 乘法运算
+ * @param {Number} a
+ * @param {Number} b
+ * @example Math.mulNum(0.3 , 1.5) // => 0.45
+ */
+const mulNum = (a, b) => {
+  var c = 0,
+    d = a.toString(),
+    e = b.toString()
+  try {
+    c += d.split('.')[1].length
+  } catch (f) {}
+  try {
+    c += e.split('.')[1].length
+  } catch (f) {}
+  return (Number(d.replace('.', '')) * Number(e.replace('.', ''))) / Math.pow(10, c)
+}
+
+/**
+ * 除法运算
+ * @param {Number} a
+ * @param {Number} b
+ * @example Math.divNum(0.3 , 0.1) // => 3
+ */
+const divNum = (a, b) => {
+  var c,
+    d,
+    e = 0,
+    f = 0
+  try {
+    e = a.toString().split('.')[1].length
+  } catch (g) {}
+  try {
+    f = b.toString().split('.')[1].length
+  } catch (g) {}
+  return (
+    (c = Number(a.toString().replace('.', ''))),
+    (d = Number(b.toString().replace('.', ''))),
+    mulNum(c / d, Math.pow(10, f - e))
+  )
+}
+Math.divNum = divNum
+Math.addNum = addNum
+Math.subNum = subNum
+Math.mulNum = mulNum