diff --git a/web/src/components/settings/RatioSetting.jsx b/web/src/components/settings/RatioSetting.jsx
index 1b7b67f..f2776e8 100644
--- a/web/src/components/settings/RatioSetting.jsx
+++ b/web/src/components/settings/RatioSetting.jsx
@@ -27,6 +27,7 @@ import ModelSettingsVisualEditor from '../../pages/Setting/Ratio/ModelSettingsVi
 import ModelRatioNotSetEditor from '../../pages/Setting/Ratio/ModelRationNotSetEditor';
 import UpstreamRatioSync from '../../pages/Setting/Ratio/UpstreamRatioSync';
 import PricingTagManager from '../../pages/Setting/Ratio/PricingTagManager';
+import ModelPricing from '../../pages/Setting/Operation/ModelPricing';
 
 import { API, showError, toBoolean } from '../../helpers';
 
@@ -111,6 +112,11 @@ const RatioSetting = () => {
           <Tabs.TabPane tab={t('未设置倍率模型')} itemKey='unset_models'>
             <ModelRatioNotSetEditor options={inputs} refresh={onRefresh} />
           </Tabs.TabPane>
+          <Tabs.TabPane tab={t('模型多维计费')} itemKey='model_pricing'>
+            <div data-testid='model-pricing-tab'>
+              <ModelPricing />
+            </div>
+          </Tabs.TabPane>
           <Tabs.TabPane tab={t('上游倍率同步')} itemKey='upstream_sync'>
             <UpstreamRatioSync options={inputs} refresh={onRefresh} />
           </Tabs.TabPane>
diff --git a/web/src/pages/Setting/Operation/ModelPricing/DimensionEditor.jsx b/web/src/pages/Setting/Operation/ModelPricing/DimensionEditor.jsx
index 9e863a5..5d461a9 100644
--- a/web/src/pages/Setting/Operation/ModelPricing/DimensionEditor.jsx
+++ b/web/src/pages/Setting/Operation/ModelPricing/DimensionEditor.jsx
@@ -1,10 +1,8 @@
 import React from 'react';
-import { Button, Checkbox, Input, Select, Space, Table } from '@douyinfe/semi-ui';
-import { Plus, Trash2 } from 'lucide-react';
+import { Button, Checkbox, Input, Select, Space, Table, Tooltip, Typography } from '@douyinfe/semi-ui';
+import { Info, Plus, Trash2 } from 'lucide-react';
 import { useTranslation } from 'react-i18next';
-import { parseDimensionValue } from './pricingConfig';
-
-const SOURCE_OPTIONS = ['request.resolution', 'request.duration', 'request.options.size', 'derived.input_mode', 'derived.megapixels', 'derived.aspect_ratio'];
+import { DIMENSION_SOURCE_TYPES, composeDimensionSource, parseDimensionValue, splitDimensionSource } from './pricingConfig';
 
 export default function DimensionEditor({ dimensions, onChange }) {
   const { t } = useTranslation();
@@ -19,13 +17,66 @@ export default function DimensionEditor({ dimensions, onChange }) {
   const add = () => onChange([...dimensions, { key: 'duration', source: 'request.duration', type: 'number', default: null }]);
 
   const columns = [
-    { title: t('Key'), dataIndex: 'key', render: (value, _, index) => <Input value={value} onChange={(key) => update(index, { key })} /> },
+    { title: t('Key'), dataIndex: 'key', width: 140, render: (value, _, index) => <Input value={value} onChange={(key) => update(index, { key })} data-testid={`dimension-key-${index}`} /> },
+    {
+      title: (
+        <Space spacing={4}>
+          {t('来源类型')}
+          <Tooltip
+            content={t(
+              '来源决定系统从哪里读取这个维度的值。请求体会从原始请求 JSON 按路径取值，派生值会从系统解析上下文取值，高级模式可直接填写完整 source。',
+            )}
+          >
+            <Info size={14} />
+          </Tooltip>
+        </Space>
+      ),
+      dataIndex: 'source_type',
+      width: 140,
+      render: (_, row, index) => {
+        const parsed = splitDimensionSource(row.source);
+        return (
+          <Select value={parsed.sourceType} onChange={(sourceType) => update(index, { source: composeDimensionSource(sourceType, parsed.path) })} style={{ width: 120 }}>
+            <Select.Option value={DIMENSION_SOURCE_TYPES.request}>{t('请求体')}</Select.Option>
+            <Select.Option value={DIMENSION_SOURCE_TYPES.derived}>{t('派生值')}</Select.Option>
+            <Select.Option value={DIMENSION_SOURCE_TYPES.advanced}>{t('高级')}</Select.Option>
+          </Select>
+        );
+      },
+    },
+    {
+      title: t('路径'),
+      dataIndex: 'source_path',
+      width: 210,
+      render: (_, row, index) => {
+        const parsed = splitDimensionSource(row.source);
+        return (
+          <Input
+            value={parsed.path}
+            placeholder={parsed.sourceType === DIMENSION_SOURCE_TYPES.advanced ? 'request.options.size' : 'duration'}
+            onChange={(path) => update(index, { source: composeDimensionSource(parsed.sourceType, path) })}
+            data-testid={`dimension-source-path-${index}`}
+          />
+        );
+      },
+    },
     {
-      title: t('来源'),
+      title: t('保存值'),
       dataIndex: 'source',
-      render: (value, _, index) => (
-        <Select value={value} onChange={(source) => update(index, { source })} style={{ width: 190 }}>
-          {SOURCE_OPTIONS.map((source) => (
+      width: 190,
+      render: (value) => (
+        <Typography.Text size='small' ellipsis={{ showTooltip: true }} style={{ maxWidth: 180 }}>
+          {value}
+        </Typography.Text>
+      ),
+    },
+    {
+      title: t('常用示例'),
+      dataIndex: 'source_examples',
+      width: 160,
+      render: (_, row, index) => (
+        <Select placeholder={t('选择示例')} onChange={(source) => update(index, { source })} style={{ width: 140 }}>
+          {getSourceExamples(row.key).map((source) => (
             <Select.Option key={source} value={source}>
               {source}
             </Select.Option>
@@ -59,6 +110,7 @@ export default function DimensionEditor({ dimensions, onChange }) {
     {
       title: t('默认值'),
       dataIndex: 'default',
+      width: 140,
       render: (value, row, index) => (
         <Input
           value={value ?? ''}
@@ -76,8 +128,11 @@ export default function DimensionEditor({ dimensions, onChange }) {
 
   return (
     <Space vertical align='start' style={{ width: '100%' }}>
-      <Table columns={columns} dataSource={dimensions} pagination={false} rowKey={(_, index) => `${index}`} />
-      <Button icon={<Plus size={16} />} onClick={add}>
+      <Table columns={columns} dataSource={dimensions} pagination={false} rowKey={(_, index) => `${index}`} scroll={{ x: 1280 }} />
+      <Typography.Text type='tertiary'>
+        {t('读取不到必填维度时会拒绝计费；读取不到可选维度时使用默认值。高级模式会直接保存路径内容。')}
+      </Typography.Text>
+      <Button icon={<Plus size={16} />} data-testid='dimension-add' onClick={add}>
         {t('添加维度')}
       </Button>
     </Space>
@@ -89,3 +144,9 @@ const defaultForType = (type) => {
   if (type === 'boolean') return false;
   return '';
 };
+
+const getSourceExamples = (key) => {
+  const examples = ['request.resolution', 'request.duration', 'request.options.size', 'derived.input_mode', 'derived.megapixels', 'derived.aspect_ratio'];
+  if (key && !examples.includes(`request.${key}`)) return [`request.${key}`, ...examples];
+  return examples;
+};
diff --git a/web/src/pages/Setting/Operation/ModelPricing/Editor.jsx b/web/src/pages/Setting/Operation/ModelPricing/Editor.jsx
index 237ed52..44dea9a 100644
--- a/web/src/pages/Setting/Operation/ModelPricing/Editor.jsx
+++ b/web/src/pages/Setting/Operation/ModelPricing/Editor.jsx
@@ -102,15 +102,16 @@ export default function Editor({ visible, modelName, config, onClose, onSaved })
   return (
     <SideSheet
       visible={visible}
+      data-testid='model-pricing-editor'
       title={name ? t('编辑模型多维计费') : t('添加模型多维计费')}
-      width={920}
+      width='min(1280px, calc(100vw - 48px))'
       onCancel={onClose}
       footer={
         <Space>
           <Button icon={<Undo2 size={16} />} onClick={undo} disabled={history.length === 0} />
           <Button icon={<Redo2 size={16} />} onClick={redo} disabled={future.length === 0} />
           <Button onClick={onClose}>{t('取消')}</Button>
-          <Button type='primary' icon={<Save size={16} />} onClick={save} loading={saving}>
+          <Button type='primary' icon={<Save size={16} />} data-testid='model-pricing-save' onClick={save} loading={saving}>
             {t('保存')}
           </Button>
         </Space>
@@ -118,7 +119,7 @@ export default function Editor({ visible, modelName, config, onClose, onSaved })
     >
       <Space vertical align='start' style={{ width: '100%' }}>
         <Space wrap>
-          <Input prefix={t('模型')} value={name} onChange={setName} style={{ width: 260 }} disabled={Boolean(modelName)} />
+          <Input prefix={t('模型')} value={name} onChange={setName} style={{ width: 260 }} disabled={Boolean(modelName)} data-testid='model-pricing-model-name' />
           <Select value={draft.billing_unit} onChange={setBillingUnit} style={{ width: 180 }}>
             <Select.Option value='per_call'>{t('每次调用')}</Select.Option>
             <Select.Option value='per_1m_tokens'>{t('每百万 tokens')}</Select.Option>
@@ -132,7 +133,7 @@ export default function Editor({ visible, modelName, config, onClose, onSaved })
             <Select.Option value={FALLBACKS.max}>{t('使用最高价')}</Select.Option>
             <Select.Option value={FALLBACKS.default}>{t('使用默认价')}</Select.Option>
           </Select>
-          <Button icon={<Wand2 size={16} />} onClick={() => setGeneratorVisible(true)}>
+          <Button icon={<Wand2 size={16} />} data-testid='model-pricing-open-generator' onClick={() => setGeneratorVisible(true)}>
             {t('生成价格行')}
           </Button>
         </Space>
@@ -152,7 +153,7 @@ export default function Editor({ visible, modelName, config, onClose, onSaved })
             <PreviewPanel config={draft} />
           </TabPane>
           <TabPane tab={t('JSON')} itemKey='json'>
-            <TextArea value={jsonText} onChange={setJsonText} autosize={{ minRows: 18, maxRows: 28 }} />
+            <TextArea value={jsonText} onChange={setJsonText} autosize={{ minRows: 18, maxRows: 28 }} data-testid='model-pricing-json-editor' />
             <Button style={{ marginTop: 12 }} onClick={applyJson}>
               {t('应用 JSON')}
             </Button>
@@ -162,6 +163,7 @@ export default function Editor({ visible, modelName, config, onClose, onSaved })
       <GeneratorModal
         visible={generatorVisible}
         dimensions={draft.dimensions || []}
+        billingUnit={draft.billing_unit}
         existingRows={draft.table || []}
         onCancel={() => setGeneratorVisible(false)}
         onGenerate={(table) => {
diff --git a/web/src/pages/Setting/Operation/ModelPricing/GeneratorModal.jsx b/web/src/pages/Setting/Operation/ModelPricing/GeneratorModal.jsx
index a281bc9..dbeb85d 100644
--- a/web/src/pages/Setting/Operation/ModelPricing/GeneratorModal.jsx
+++ b/web/src/pages/Setting/Operation/ModelPricing/GeneratorModal.jsx
@@ -1,61 +1,200 @@
-import React, { useMemo, useState } from 'react';
-import { Button, InputNumber, Modal, Radio, Space, TextArea, Typography } from '@douyinfe/semi-ui';
+import React, { useEffect, useMemo, useState } from 'react';
+import { Button, Input, InputNumber, Modal, Radio, Select, Space, Table, Typography } from '@douyinfe/semi-ui';
+import { Plus, Trash2 } from 'lucide-react';
 import { useTranslation } from 'react-i18next';
-import { generateRowsFromRatios, mergeGeneratedRows } from './pricingConfig';
+import { getCurrencyConfig } from '../../../../helpers';
+import {
+  BILLING_UNITS,
+  countRatioEntries,
+  displayCurrencyToUSD,
+  estimateGeneratedRowCount,
+  formatDisplayCurrency,
+  generateRowsFromRatios,
+  mergeGeneratedRows,
+  parseDimensionValue,
+} from './pricingConfig';
 
 const DEFAULT_RATIOS = {
   resolution: { '720P': 1, '1080P': 1.8 },
   duration: { 5: 1, 10: 1.5 },
 };
 
-export default function GeneratorModal({ visible, dimensions, existingRows, onCancel, onGenerate }) {
+export default function GeneratorModal({ visible, dimensions, billingUnit, existingRows, onCancel, onGenerate }) {
   const { t } = useTranslation();
   const [basePrice, setBasePrice] = useState(0.1);
-  const [ratioText, setRatioText] = useState(JSON.stringify(DEFAULT_RATIOS, null, 2));
+  const [ratioEntries, setRatioEntries] = useState([]);
   const [strategy, setStrategy] = useState('preserve_manual');
 
+  const currencyConfig = useMemo(() => getCurrencyConfig(), [visible]);
+  const basePriceUSD = useMemo(() => displayCurrencyToUSD(basePrice, currencyConfig), [basePrice, currencyConfig]);
+  const unitLabel = billingUnit === BILLING_UNITS.per1MTokens ? t('每 1M tokens') : t('每次调用');
+
+  useEffect(() => {
+    if (!visible) return;
+    setRatioEntries(createDefaultRatioEntries(dimensions));
+  }, [visible, dimensions]);
+
+  const ratios = useMemo(() => entriesToRatios(ratioEntries, dimensions), [ratioEntries, dimensions]);
+
   const preview = useMemo(() => {
-    try {
-      const ratios = JSON.parse(ratioText || '{}');
-      const rows = generateRowsFromRatios({ dimensions, basePrice, ratios });
-      return { rows, error: '' };
-    } catch (error) {
-      return { rows: [], error: error.message };
-    }
-  }, [dimensions, basePrice, ratioText]);
+    const rows = generateRowsFromRatios({ dimensions, basePrice: basePriceUSD, ratios });
+    return {
+      rows,
+      linearCount: countRatioEntries(ratios),
+      expandedCount: estimateGeneratedRowCount(dimensions, ratios),
+    };
+  }, [dimensions, basePriceUSD, ratios]);
 
   const apply = () => {
     const table = mergeGeneratedRows({ existingRows, generatedRows: preview.rows, strategy });
     onGenerate(table);
   };
 
+  const updateEntry = (index, patch) => {
+    const next = [...ratioEntries];
+    next[index] = { ...next[index], ...patch };
+    setRatioEntries(next);
+  };
+
+  const addEntry = () => {
+    const firstDimension = dimensions?.[0]?.key || '';
+    setRatioEntries([...ratioEntries, { dimensionKey: firstDimension, value: '', ratio: 1 }]);
+  };
+
+  const removeEntry = (index) => setRatioEntries(ratioEntries.filter((_, itemIndex) => itemIndex !== index));
+
+  const ratioColumns = [
+    {
+      title: t('维度'),
+      dataIndex: 'dimensionKey',
+      width: 160,
+      render: (value, _, index) => (
+        <Select value={value} onChange={(dimensionKey) => updateEntry(index, { dimensionKey, value: '' })} style={{ width: 140 }}>
+          {(dimensions || []).map((dim) => (
+            <Select.Option key={dim.key} value={dim.key}>
+              {dim.key}
+            </Select.Option>
+          ))}
+        </Select>
+      ),
+    },
+    {
+      title: t('候选值'),
+      dataIndex: 'value',
+      render: (value, _, index) => <Input value={value} onChange={(nextValue) => updateEntry(index, { value: nextValue })} data-testid={`generator-ratio-value-${index}`} />,
+    },
+    {
+      title: t('倍率'),
+      dataIndex: 'ratio',
+      width: 150,
+      render: (value, _, index) => (
+        <InputNumber value={Number(value || 0)} min={0} step={0.000001} onChange={(ratio) => updateEntry(index, { ratio: Number(ratio || 0) })} data-testid={`generator-ratio-ratio-${index}`} />
+      ),
+    },
+    {
+      title: t('操作'),
+      width: 80,
+      render: (_, __, index) => <Button icon={<Trash2 size={16} />} type='danger' theme='borderless' onClick={() => removeEntry(index)} />,
+    },
+  ];
+
+  const previewColumns = [
+    ...(dimensions || []).map((dim) => ({ title: dim.key, dataIndex: dim.key })),
+    {
+      title: t('展示价格'),
+      dataIndex: 'display_price',
+      width: 140,
+      render: (_, row) => formatDisplayCurrency(row.price, currencyConfig, 6),
+    },
+    {
+      title: t('保存价格 USD'),
+      dataIndex: 'price',
+      width: 140,
+      render: (price) => `$${Number(price || 0).toFixed(6)}`,
+    },
+    { title: t('来源'), dataIndex: 'source', width: 120 },
+  ];
+
   return (
     <Modal
       visible={visible}
-      title={t('生成价格行')}
+      data-testid='model-pricing-generator'
+      title={t('生成价格表')}
       onCancel={onCancel}
+      width={920}
       footer={
         <Space>
           <Button onClick={onCancel}>{t('取消')}</Button>
-          <Button type='primary' onClick={apply} disabled={Boolean(preview.error)}>
+          <Button type='primary' data-testid='generator-apply' onClick={apply} disabled={preview.rows.length === 0}>
             {t('应用生成结果')}
           </Button>
         </Space>
       }
     >
       <Space vertical align='start' style={{ width: '100%' }}>
-        <InputNumber value={basePrice} min={0} step={0.000001} onChange={(value) => setBasePrice(Number(value || 0))} prefix={t('基础价格')} />
-        <Radio.Group value={strategy} onChange={(event) => setStrategy(event.target.value)}>
-          <Radio value='preserve_manual'>{t('保留手动行')}</Radio>
-          <Radio value='replace_all'>{t('全部替换')}</Radio>
-        </Radio.Group>
-        <TextArea value={ratioText} onChange={setRatioText} autosize={{ minRows: 8, maxRows: 14 }} />
-        {preview.error ? (
-          <Typography.Text type='danger'>{preview.error}</Typography.Text>
-        ) : (
-          <Typography.Text>{t('将生成 {{count}} 行，示例：{{sample}}', { count: preview.rows.length, sample: JSON.stringify(preview.rows.slice(0, 3)) })}</Typography.Text>
-        )}
+        <Typography.Text>
+          {t('基础价格是所有倍率计算的起点，当前单位为 {{unitLabel}}。最终价格 = 基础价格 × 各维度倍率。', { unitLabel })}
+        </Typography.Text>
+        <Typography.Text type='tertiary'>
+          {t('当前按 {{symbol}} 展示和输入，应用时会按汇率换算为 USD 保存到 table[].price。当前输入 {{symbol}}{{displayPrice}} = ${{usdPrice}}。', {
+            symbol: currencyConfig.symbol,
+            displayPrice: Number(basePrice || 0).toFixed(6),
+            usdPrice: basePriceUSD.toFixed(6),
+          })}
+        </Typography.Text>
+        <Space wrap>
+          <InputNumber
+            value={basePrice}
+            min={0}
+            step={0.000001}
+            onChange={(value) => setBasePrice(Number(value || 0))}
+            prefix={`${t('基础价格')}(${currencyConfig.symbol}/${unitLabel})`}
+            data-testid='generator-base-price'
+          />
+          <Radio.Group value={strategy} onChange={(event) => setStrategy(event.target.value)}>
+            <Radio value='preserve_manual'>{t('保留手动行')}</Radio>
+            <Radio value='replace_all'>{t('全部替换')}</Radio>
+          </Radio.Group>
+        </Space>
+        <Table columns={ratioColumns} dataSource={ratioEntries} pagination={false} rowKey={(_, index) => `${index}`} />
+        <Button icon={<Plus size={16} />} data-testid='generator-add-ratio' onClick={addEntry}>
+          {t('添加倍率项')}
+        </Button>
+        <Typography.Text type='tertiary'>
+          {t('线性倍率项 {{linearCount}} 项，最终展开 {{expandedCount}} 行。任一维度没有候选值时不会生成结果。预览最多展示前 50 行。', {
+            linearCount: preview.linearCount,
+            expandedCount: preview.expandedCount,
+          })}
+        </Typography.Text>
+        <Table columns={previewColumns} dataSource={preview.rows.slice(0, 50)} pagination={false} rowKey={(_, index) => `${index}`} scroll={{ x: 720 }} />
       </Space>
     </Modal>
   );
 }
+
+const createDefaultRatioEntries = (dimensions) => {
+  const entries = [];
+  for (const dim of dimensions || []) {
+    const values = DEFAULT_RATIOS[dim.key];
+    if (values) {
+      for (const [value, ratio] of Object.entries(values)) {
+        entries.push({ dimensionKey: dim.key, value, ratio });
+      }
+      continue;
+    }
+    entries.push({ dimensionKey: dim.key, value: '', ratio: 1 });
+  }
+  return entries;
+};
+
+const entriesToRatios = (entries, dimensions) => {
+  const dimByKey = new Map((dimensions || []).map((dim) => [dim.key, dim]));
+  const ratios = {};
+  for (const entry of entries || []) {
+    const dim = dimByKey.get(entry.dimensionKey);
+    if (!dim || entry.value === '') continue;
+    const parsedValue = String(parseDimensionValue(entry.value, dim.type));
+    ratios[dim.key] = { ...(ratios[dim.key] || {}), [parsedValue]: Number(entry.ratio || 0) };
+  }
+  return ratios;
+};
diff --git a/web/src/pages/Setting/Operation/ModelPricing/index.jsx b/web/src/pages/Setting/Operation/ModelPricing/index.jsx
index 01ab459..3418c62 100644
--- a/web/src/pages/Setting/Operation/ModelPricing/index.jsx
+++ b/web/src/pages/Setting/Operation/ModelPricing/index.jsx
@@ -86,7 +86,7 @@ export default function ModelPricing() {
       width: 120,
       render: (_, row) => (
         <Space>
-          <Button icon={<Edit size={16} />} theme='borderless' onClick={() => setEditingModel(row.model)} />
+          <Button icon={<Edit size={16} />} theme='borderless' data-testid={`model-pricing-edit-${row.model}`} onClick={() => setEditingModel(row.model)} />
           {row.configured && (
             <Popconfirm
               title={t('删除后将回退到 Legacy 价格：{{price}}', { price: row.legacyPrice ?? '-' })}
@@ -101,7 +101,7 @@ export default function ModelPricing() {
   ];
 
   return (
-    <Card style={{ marginTop: 10 }}>
+    <Card style={{ marginTop: 10 }} data-testid='model-pricing-page'>
       <Space vertical align='start' style={{ width: '100%' }}>
         <Space style={{ width: '100%', justifyContent: 'space-between' }}>
           <Typography.Title heading={5}>{t('模型多维计费')}</Typography.Title>
@@ -109,13 +109,13 @@ export default function ModelPricing() {
             <Button icon={<RefreshCw size={16} />} onClick={refresh} loading={loading}>
               {t('刷新')}
             </Button>
-            <Button icon={<Plus size={16} />} type='primary' onClick={() => setEditingModel('')}>
+            <Button icon={<Plus size={16} />} type='primary' data-testid='model-pricing-add-model' onClick={() => setEditingModel('')}>
               {t('添加模型')}
             </Button>
           </Space>
         </Space>
-        <Input placeholder={t('搜索模型')} value={keyword} onChange={setKeyword} style={{ width: 280 }} />
-        <Table columns={columns} dataSource={data} rowKey='model' pagination={{ pageSize: 10 }} loading={loading} />
+        <Input placeholder={t('搜索模型')} value={keyword} onChange={setKeyword} style={{ width: 280 }} data-testid='model-pricing-search' />
+        <Table columns={columns} dataSource={data} rowKey='model' pagination={{ pageSize: 10 }} loading={loading} data-testid='model-pricing-table' />
       </Space>
       <Editor
         visible={editingModel !== null}