diff --git a/src/components/SectionList/index.jsx b/src/components/SectionList/index.jsx
index e329549..8e22b03 100644
--- a/src/components/SectionList/index.jsx
+++ b/src/components/SectionList/index.jsx
@@ -22,12 +22,15 @@ import { v4 as uuidv4 } from "uuid";
 import { supabase } from "@/config/supabase";
 import { supabaseService } from "@/hooks/supabaseService";
 const { Text } = Typography;
+import { defaultSymbol, formatExchangeRate } from "@/utils/exchange_rate";
 const SectionList = ({
   form,
   isView,
   formValues,
   type,
   currentCurrency = "TWD",
+  taxRate,
+  setTaxRate,
 }) => {
   const [editingSectionIndex, setEditingSectionIndex] = useState(null);
   const [editingSectionName, setEditingSectionName] = useState("");
@@ -36,33 +39,6 @@ const SectionList = ({
   const [loading, setLoading] = useState(false);
   const [units, setUnits] = useState([]);
   const [loadingUnits, setLoadingUnits] = useState(false);
-  const CURRENCY_SYMBOLS = {
-    CNY: "¥",
-    TWD: "NT$",
-    USD: "$",
-  };
-
-  const calculateItemAmount = (quantity, price) => {
-    const safeQuantity = Number(quantity) || 0;
-    const safePrice = Number(price) || 0;
-    return safeQuantity * safePrice;
-  };
-
-  const calculateSectionTotal = (items = []) => {
-    if (!Array.isArray(items)) return 0;
-    return items.reduce((sum, item) => {
-      if (!item) return sum;
-      return sum + calculateItemAmount(item.quantity, item.price);
-    }, 0);
-  };
-
-  const formatCurrency = (amount) => {
-    const safeAmount = Number(amount) || 0;
-    return `${CURRENCY_SYMBOLS[currentCurrency] || "NT$"}${safeAmount.toLocaleString("zh-TW", {
-      minimumFractionDigits: 2,
-      maximumFractionDigits: 2,
-    })}`;
-  };
 
   const fetchAvailableSections = async () => {
     try {
@@ -236,7 +212,7 @@ const SectionList = ({
                             {item.name}
                           </span>
                           <span className="text-sm text-gray-500 ml-2">
-                            {formatCurrency(item.price)}
+                            {formatExchangeRate(currentCurrency, item.price)}
                           </span>
                         </div>
                       ))}
@@ -250,7 +226,8 @@ const SectionList = ({
                   <div className="mt-4 pt-4 border-t flex justify-between items-center">
                     <span className="text-sm text-gray-600">总金额</span>
                     <span className="text-base font-medium text-blue-500">
-                      {formatCurrency(
+                      {formatExchangeRate(
+                        currentCurrency,
                         (section.attributes.items || []).reduce(
                           (sum, item) =>
                             sum + (item.price * (item.quantity || 1) || 0),
@@ -323,7 +300,7 @@ const SectionList = ({
     return (
       <div className="text-right">
         <span className="text-gray-500">
-          {formatCurrency(subtotal, currentCurrency)}
+          {formatExchangeRate(currentCurrency, subtotal)}
         </span>
       </div>
     );
@@ -345,13 +322,12 @@ const SectionList = ({
         <span className="text-gray-500">
           小计总额：
           <span className="text-blue-500 font-medium ml-2">
-            {formatCurrency(total, currentCurrency)}
+            {formatExchangeRate(currentCurrency, total)}
           </span>
         </span>
       </div>
     );
   });
-
   return (
     <>
       <Form.List name="sections">
@@ -442,127 +418,137 @@ const SectionList = ({
                           <div>描述/备注</div>
                           <div>单位</div>
                           <div className="text-center">数量</div>
-                          <div className="text-center">单价</div>
+                          <div className="text-center">
+                            单价({defaultSymbol})
+                          </div>
                           <div className="text-right">小计</div>
                           <div></div>
                         </div>
 
-                        {itemFields.map((itemField, itemIndex) => (
-                          <div
-                            key={itemField.key}
-                            className="grid grid-cols-[3fr_4fr_1fr_1fr_2fr_1fr_40px] gap-4 mb-4 items-start"
-                          >
-                            <Form.Item
-                              {...itemField}
-                              name={[itemField.name, "name"]}
-                              className="!mb-0"
+                        {itemFields.map((itemField, itemIndex) => {
+                          const { key, ...restItemField } = itemField;
+                          return (
+                            <div
+                              key={key}
+                              className="grid grid-cols-[3fr_4fr_1fr_1fr_2fr_1fr_40px] gap-4 mb-4 items-start"
                             >
-                              <Input placeholder="服务项目名称" />
-                            </Form.Item>
-                            <Form.Item
-                              {...itemField}
-                              name={[itemField.name, "description"]}
-                              className="!mb-0"
-                            >
-                              <Input placeholder="请输入描述/备注" />
-                            </Form.Item>
-                            <Form.Item
-                              {...itemField}
-                              name={[itemField.name, "unit"]}
-                              className="!mb-0"
-                            >
-                              <Select
-                                placeholder="选择单位"
-                                loading={loadingUnits}
-                                showSearch
-                                allowClear
-                                style={{ minWidth: "120px" }}
-                                options={units.map((unit) => ({
-                                  label: unit.attributes.name,
-                                  value: unit.attributes.name,
-                                }))}
-                                onDropdownVisibleChange={(open) => {
-                                  if (open) fetchUnits();
-                                }}
-                                dropdownRender={(menu) => (
-                                  <>
-                                    {menu}
-                                    <Divider style={{ margin: "12px 0" }} />
-                                    <div style={{ padding: "4px" }}>
-                                      <Input.Search
-                                        placeholder="输入新单位名称"
-                                        enterButton={<PlusOutlined />}
-                                        onSearch={async (value) => {
-                                          if (!value.trim()) return;
-                                          if (
-                                            await handleAddUnit(value.trim())
-                                          ) {
-                                            const currentItems =
-                                              form.getFieldValue([
-                                                "sections",
-                                                field.name,
-                                                "items",
-                                              ]);
-                                            currentItems[itemField.name].unit =
-                                              value.trim();
-                                            form.setFieldValue(
-                                              ["sections", field.name, "items"],
-                                              currentItems
-                                            );
-                                          }
-                                        }}
-                                      />
-                                    </div>
-                                  </>
-                                )}
+                              <Form.Item
+                                {...restItemField}
+                                name={[itemField.name, "name"]}
+                                className="!mb-0"
+                              >
+                                <Input placeholder="服务项目名称" />
+                              </Form.Item>
+                              <Form.Item
+                                {...restItemField}
+                                name={[itemField.name, "description"]}
+                                className="!mb-0"
+                              >
+                                <Input placeholder="请输入描述/备注" />
+                              </Form.Item>
+                              <Form.Item
+                                {...restItemField}
+                                name={[itemField.name, "unit"]}
+                                className="!mb-0"
+                              >
+                                <Select
+                                  placeholder="选择单位"
+                                  loading={loadingUnits}
+                                  showSearch
+                                  allowClear
+                                  style={{ minWidth: "120px" }}
+                                  options={units.map((unit) => ({
+                                    label: unit.attributes.name,
+                                    value: unit.attributes.name,
+                                  }))}
+                                  onDropdownVisibleChange={(open) => {
+                                    if (open) fetchUnits();
+                                  }}
+                                  dropdownRender={(menu) => (
+                                    <>
+                                      {menu}
+                                      <Divider style={{ margin: "12px 0" }} />
+                                      <div style={{ padding: "4px" }}>
+                                        <Input.Search
+                                          placeholder="输入新单位名称"
+                                          enterButton={<PlusOutlined />}
+                                          onSearch={async (value) => {
+                                            if (!value.trim()) return;
+                                            if (
+                                              await handleAddUnit(value.trim())
+                                            ) {
+                                              const currentItems =
+                                                form.getFieldValue([
+                                                  "sections",
+                                                  field.name,
+                                                  "items",
+                                                ]);
+                                              currentItems[
+                                                itemField.name
+                                              ].unit = value.trim();
+                                              form.setFieldValue(
+                                                [
+                                                  "sections",
+                                                  field.name,
+                                                  "items",
+                                                ],
+                                                currentItems
+                                              );
+                                            }
+                                          }}
+                                        />
+                                      </div>
+                                    </>
+                                  )}
+                                />
+                              </Form.Item>
+                              <Form.Item
+                                {...restItemField}
+                                name={[itemField.name, "quantity"]}
+                                className="!mb-0"
+                              >
+                                <InputNumber
+                                  placeholder="数量"
+                                  min={0}
+                                  className="w-full"
+                                />
+                              </Form.Item>
+                              <Form.Item
+                                {...restItemField}
+                                name={[itemField.name, "price"]}
+                                className="!mb-0"
+                              >
+                                <InputNumber
+                                  placeholder="单价"
+                                  min={0}
+                                  className="w-full"
+                                />
+                              </Form.Item>
+                              <ItemSubtotal
+                                quantity={
+                                  formValues?.sections?.[sectionIndex]?.items?.[
+                                    itemIndex
+                                  ]?.quantity
+                                }
+                                price={
+                                  formValues?.sections?.[sectionIndex]?.items?.[
+                                    itemIndex
+                                  ]?.price
+                                }
+                                currentCurrency={currentCurrency}
                               />
-                            </Form.Item>
-                            <Form.Item
-                              {...itemField}
-                              name={[itemField.name, "quantity"]}
-                              className="!mb-0"
-                            >
-                              <InputNumber
-                                placeholder="数量"
-                                min={0}
-                                className="w-full"
-                              />
-                            </Form.Item>
-                            <Form.Item
-                              {...itemField}
-                              name={[itemField.name, "price"]}
-                              className="!mb-0"
-                            >
-                              <InputNumber
-                                placeholder="单价"
-                                min={0}
-                                className="w-full"
-                              />
-                            </Form.Item>
-                            <ItemSubtotal
-                              quantity={
-                                formValues?.sections?.[sectionIndex]?.items?.[
-                                  itemIndex
-                                ]?.quantity
-                              }
-                              price={
-                                formValues?.sections?.[sectionIndex]?.items?.[
-                                  itemIndex
-                                ]?.price
-                              }
-                              currentCurrency={currentCurrency}
-                            />
-                            {!isView && itemFields.length > 1 && (
-                              <Button
-                                type="text"
-                                danger
-                                icon={<DeleteOutlined />}
-                                onClick={() => removeItem(itemField.name)}
-                                className="flex items-center justify-center"
-                              />
-                            )}
-                          </div>
-                        ))}
+                              {!isView && itemFields.length > 1 && (
+                                <Button
+                                  type="text"
+                                  danger
+                                  icon={<DeleteOutlined />}
+                                  onClick={() => removeItem(itemField.name)}
+                                  className="flex items-center justify-center"
+                                />
+                              )}
+                            </div>
+                          );
+                        })}
 
                         {!isView && (
                           <Button
@@ -586,21 +572,74 @@ const SectionList = ({
               ))}
             </div>
 
-            {!isView && (
-              <div className="mt-6 flex justify-center">
-                <Button
-                  type="dashed"
-                  onClick={() => {
-                    setTemplateModalVisible(true);
-                    fetchAvailableSections();
-                  }}
-                  icon={<PlusOutlined />}
-                  className="w-1/3 border-2 hover:border-blue-400 hover:text-blue-500"
-                >
-                  新建模块
-                </Button>
+            <div className="flex items-center justify-center mt-6">
+              {!isView && (
+                <div className="w-full flex justify-center">
+                  <Button
+                    type="dashed"
+                    onClick={() => {
+                      setTemplateModalVisible(true);
+                      fetchAvailableSections();
+                    }}
+                    icon={<PlusOutlined />}
+                    className="w-1/3 border-2 hover:border-blue-400 hover:text-blue-500"
+                  >
+                    新建模块
+                  </Button>
+                </div>
+              )}
+
+              <div className="flex w-fit flex-shrink-0 flex-col gap-1">
+                <span className="text-gray-500 flex items-center">
+                  税前总额：
+                  <span className="text-blue-500 font-medium ml-2">
+                    {formatExchangeRate(
+                      currentCurrency,
+                      formValues?.sections?.reduce((sum, section) => {
+                        return (
+                          sum +
+                          section.items.reduce((sum, item) => {
+                            return sum + item.price * item.quantity;
+                          }, 0)
+                        );
+                      }, 0)
+                    )}
+                  </span>
+                </span>
+
+                <div className="text-gray-500 flex items-center">
+                  税率：
+                  <div className="text-blue-500 font-medium ml-2">
+                    <InputNumber
+                      suffix="%"
+                      style={{ width: 120 }}
+                      min={0}
+                      max={100}
+                      value={taxRate}
+                      onChange={(value) => setTaxRate(value)}
+                    />
+                  </div>
+                </div>
+
+                <span className="text-gray-500 flex items-center">
+                  税后总额：
+                  <span className="text-blue-500 font-medium ml-2">
+                    {formatExchangeRate(
+                      currentCurrency,
+                      formValues?.sections?.reduce((sum, section) => {
+                        return (
+                          sum +
+                          section.items.reduce((sum, item) => {
+                            return sum + item.price * item.quantity;
+                          }, 0)
+                        );
+                      }, 0) *
+                        (1 + taxRate / 100)
+                    )}
+                  </span>
+                </span>
               </div>
-            )}
+            </div>
 
             <Modal
               title={<h3 className="text-lg font-medium">选择模版</h3>}
@@ -619,5 +658,4 @@ const SectionList = ({
   );
 };
 
-
 export default SectionList;
diff --git a/src/pages/company/quotation/detail/index.jsx b/src/pages/company/quotation/detail/index.jsx
index e7a564a..570ff6e 100644
--- a/src/pages/company/quotation/detail/index.jsx
+++ b/src/pages/company/quotation/detail/index.jsx
@@ -734,7 +734,7 @@ const QuotationForm = () => {
           </Card>
 
           <Card
-            className="shadow-sm rounded-lg"
+            className="shadow-sm rounded-lg mt-6"
             type="inner"
             title={
               <span className="flex items-center space-x-2 text-gray-700">
@@ -750,6 +750,8 @@ const QuotationForm = () => {
               isView={isView}
               formValues={formValues}
               currentCurrency={currentCurrency}
+              taxRate={taxRate}
+              setTaxRate={setTaxRate}
             />
           </Card>
         </Form>
diff --git a/src/pages/company/quotation/index.jsx b/src/pages/company/quotation/index.jsx
index e64eb6e..375f7de 100644
--- a/src/pages/company/quotation/index.jsx
+++ b/src/pages/company/quotation/index.jsx
@@ -4,11 +4,8 @@ import { PlusOutlined, EditOutlined, DeleteOutlined, EyeOutlined, CopyOutlined,
 import { useResources } from '@/hooks/resource/useResource';
 import { useNavigate } from 'react-router-dom';
 import { supabase } from '@/config/supabase'
-const CURRENCY_SYMBOLS = {
-  CNY: "¥",
-  TWD: "NT$",
-  USD: "$",
-};
+import { formatExchangeRate,EXCHANGE_RATE,defaultSymbol } from '@/utils/exchange_rate';
+
 const QuotationPage = () => {
   const navigate = useNavigate();
   const [pagination, setPagination] = useState({ current: 1, pageSize: 10 });
@@ -150,19 +147,18 @@ const QuotationPage = () => {
       align: 'right',
       render: (attributes) => {
         // 获取货币符号
-        const currencySymbol = CURRENCY_SYMBOLS[attributes.currency] || '¥';
+        const currencySymbol = EXCHANGE_RATE[attributes?.currency]?.symbol || defaultSymbol;
 
         return (
           <div className="space-y-1">
             <div className="flex justify-between items-center text-sm">
               <Typography.Text type="secondary" style={{ fontSize: '12px' }}>
-                税前：{currencySymbol}{attributes.beforeTaxAmount?.toLocaleString()}
+                税前：{formatExchangeRate(attributes?.currency, attributes.beforeTaxAmount)}
               </Typography.Text>
             </div>
             <div className="flex justify-between items-center">
               <Statistic
-                value={attributes.afterTaxAmount}
-                prefix={currencySymbol}
+                value={formatExchangeRate(attributes?.currency, attributes.afterTaxAmount)}
                 precision={2}
                 valueStyle={{
                   fontSize: '16px',
diff --git a/src/pages/company/quotation/view/index.jsx b/src/pages/company/quotation/view/index.jsx
index 0be88a3..df84693 100644
--- a/src/pages/company/quotation/view/index.jsx
+++ b/src/pages/company/quotation/view/index.jsx
@@ -7,12 +7,7 @@ import html2canvas from 'html2canvas';
 import jsPDF from 'jspdf';
 
 const { Title, Text } = Typography;
-
-const CURRENCY_SYMBOLS = {
-  CNY: "¥",
-  TWD: "NT$",
-  USD: "$",
-};
+import { EXCHANGE_RATE,defaultSymbol } from '@/utils/exchange_rate';
 
 const QuotationPreview = () => {
   const { id } = useParams();
@@ -132,7 +127,7 @@ const QuotationPreview = () => {
   if (!quotation) return null;
 
   const { attributes } = quotation;
-  const currencySymbol = CURRENCY_SYMBOLS[attributes.currency] || '¥';
+  const currencySymbol = EXCHANGE_RATE[attributes.currency]?.symbol || defaultSymbol;
 
   return (
     <div className="max-w-4xl mx-auto p-6">
diff --git a/src/utils/exchange_rate.js b/src/utils/exchange_rate.js
new file mode 100644
index 0000000..caf3754
--- /dev/null
+++ b/src/utils/exchange_rate.js
@@ -0,0 +1,46 @@
+export const defaultSymbol = "NT$";
+
+export const EXCHANGE_RATE = {
+  CNY: {
+    symbol: "¥",
+    rate: 4.5, //1人民币约等于4.5新台币
+  },
+  TWD: {
+    symbol: "NT$",
+    rate: 1,
+  },
+  USD: {
+    symbol: "$",
+    rate: 32.82, //1美元约等于32.82新台币
+  },
+};
+
+export const formatCurrency = (currency, amount) => {
+  const safeAmount = Number(amount) || 0;
+  return `${EXCHANGE_RATE[currency].symbol || "NT$"}${safeAmount.toLocaleString(
+    "zh-TW",
+    {
+      minimumFractionDigits: 2,
+      maximumFractionDigits: 2,
+    }
+  )}`;
+};
+
+export const getExchangeRate = (fromCurrency, amount) => {
+  // 如果没有传入货币类型、金额，或货币类型不存在，则返回原金额
+  if (!fromCurrency || !amount || !EXCHANGE_RATE[fromCurrency]) {
+    return amount || 0;
+  }
+
+  // 因为是以新台币为基准，所以需要将其他货币转换为新台币金额
+  if (fromCurrency === "TWD") {
+    return amount;
+  }
+
+  // 其他货币转换为新台币
+  return (amount / EXCHANGE_RATE[fromCurrency].rate).toFixed(2);
+};
+
+export const formatExchangeRate = (currency, amount) => {
+  return formatCurrency(currency, getExchangeRate(currency, amount));
+};