diff --git a/backend/app/models/models.py b/backend/app/models/models.py
index e857f99..5f9df82 100644
--- a/backend/app/models/models.py
+++ b/backend/app/models/models.py
@@ -55,6 +55,7 @@ class Collection(Base):
     f02_11_version = Column(String(100), nullable=True, index=True)
     f02_12_packaging = Column(String(100), nullable=True, index=True)
     f02_13_rarity = Column(String(50), nullable=True, index=True)  # 珍惜度
+    f02_14_number_category = Column(String(20), nullable=True, index=True)  # 号码分类
 
     # f03 评级信息
     f03_20_is_graded = Column(Boolean, default=False, index=True)
diff --git a/backend/app/routers/collections.py b/backend/app/routers/collections.py
index 7e1b4e2..5d91468 100644
--- a/backend/app/routers/collections.py
+++ b/backend/app/routers/collections.py
@@ -38,6 +38,7 @@ def to_camel_case(data: dict) -> dict:
         'f02_11_version': 'version',
         'f02_12_packaging': 'packaging',
         'f02_13_rarity': 'rarity',
+        'f02_14_number_category': 'numberCategory',
         'f03_20_is_graded': 'isGraded',
         'f03_21_grading_company': 'gradingCompany',
         'f03_22_grading_score': 'gradingScore',
@@ -73,8 +74,8 @@ def generate_code(version: str, user_id: str, db: Session) -> str:
     
     max_num = 0
     for (code,) in user_codes:
-        # 只处理纯数字或 4 位数字编码（忽略 TEST001 等特殊编码）
-        if re.match(r'^\d{4}$', code):
+        # 处理纯数字编码（支持4位和5位）
+        if re.match(r'^\d{4,5}$', code):
             try:
                 num = int(code)
                 if num > max_num:
@@ -84,7 +85,12 @@ def generate_code(version: str, user_id: str, db: Session) -> str:
     
     # 当前用户最大号 +1
     next_num = max_num + 1
-    return str(next_num).zfill(4)
+    
+    # 如果超过9999，使用5位；否则使用4位
+    if next_num > 9999:
+        return str(next_num).zfill(5)
+    else:
+        return str(next_num).zfill(4)
 
 
 @router.get("/next-code")
@@ -164,6 +170,7 @@ def get_collections(
             'f02_11_version': collection_item.f02_11_version,
             'f02_12_packaging': collection_item.f02_12_packaging,
             'f02_13_rarity': collection_item.f02_13_rarity,
+            'f02_14_number_category': collection_item.f02_14_number_category,
             'f03_20_is_graded': collection_item.f03_20_is_graded,
             'f03_21_grading_company': collection_item.f03_21_grading_company,
             'f03_22_grading_score': collection_item.f03_22_grading_score,
@@ -247,6 +254,7 @@ def get_stats(
     by_grading_company = Counter(c.f03_21_grading_company for c in all_collections if c.f03_20_is_graded and c.f03_21_grading_company).items()
     by_grading_score = Counter(c.f03_22_grading_score for c in all_collections if c.f03_20_is_graded and c.f03_22_grading_score).items()
     by_special_mark = Counter(c.f04_30_special_mark for c in all_collections if c.f04_30_special_mark).items()
+    by_number_category = Counter(c.f02_14_number_category for c in all_collections if c.f02_14_number_category).items()
     
     # 总成本： SUM(cost_price + repair_fee + grading_fee) for ALL collections
     total_cost = sum(
@@ -291,6 +299,7 @@ def get_stats(
         "byGradingCompany": [{"company": c, "count": n} for c, n in by_grading_company],
         "byGradingScore": [{"score": s, "count": n} for s, n in by_grading_score],
         "bySpecialMark": [{"mark": m, "count": n} for m, n in by_special_mark],
+        "byNumberCategory": [{"numberCategory": n, "count": c} for n, c in by_number_category],
         # 盈亏统计（只统计已售且有价格的藏品）
         "byProfitLoss": [
             {"type": "profit", "label": "盈利", "count": sum(1 for c in sold_collections if c.f05_42_goal_price and c.f05_40_cost_price and c.f05_42_goal_price > c.f05_40_cost_price)},
@@ -337,6 +346,7 @@ def get_collection(
         'f02_11_version': collection.get('f02_11_version'),
         'f02_12_packaging': collection.get('f02_12_packaging'),
         'f02_13_rarity': collection.get('f02_13_rarity'),
+        'f02_14_number_category': collection.get('f02_14_number_category'),
         'f03_20_is_graded': collection.get('f03_20_is_graded'),
         'f03_21_grading_company': collection.get('f03_21_grading_company'),
         'f03_22_grading_score': collection.get('f03_22_grading_score'),
@@ -446,6 +456,7 @@ def create_collection(
         f02_11_version=collection_data.f02_11_version,
         f02_12_packaging=collection_data.f02_12_packaging,
         f02_13_rarity=collection_data.f02_13_rarity,
+        f02_14_number_category=collection_data.f02_14_number_category,
         f03_20_is_graded=collection_data.f03_20_is_graded or False,
         f03_21_grading_company=collection_data.f03_21_grading_company,
         f03_22_grading_score=collection_data.f03_22_grading_score,
diff --git a/backend/app/schemas/schemas.py b/backend/app/schemas/schemas.py
index b843b8e..0ba1bae 100644
--- a/backend/app/schemas/schemas.py
+++ b/backend/app/schemas/schemas.py
@@ -58,6 +58,7 @@ class CollectionBase(BaseModel):
     f02_11_version: Optional[str] = Field(None, alias="version")
     f02_12_packaging: Optional[str] = Field(None, alias="packaging")
     f02_13_rarity: Optional[str] = Field(None, alias="rarity")
+    f02_14_number_category: Optional[str] = Field(None, alias="numberCategory")
     
     # f03 评级信息
     f03_20_is_graded: Optional[bool] = Field(False, alias="isGraded")
@@ -104,6 +105,7 @@ class CollectionUpdate(BaseModel):
     f02_11_version: Optional[str] = Field(None, alias="version")
     f02_12_packaging: Optional[str] = Field(None, alias="packaging")
     f02_13_rarity: Optional[str] = Field(None, alias="rarity")
+    f02_14_number_category: Optional[str] = Field(None, alias="numberCategory")
     
     # f03 评级信息
     f03_20_is_graded: Optional[bool] = Field(None, alias="isGraded")
diff --git a/config/VERSION b/config/VERSION
index cfb0091..92448f4 100644
--- a/config/VERSION
+++ b/config/VERSION
@@ -1 +1 @@
-VERSION=1.2.5
+VERSION=1.2.6
diff --git a/frontend/index.html b/frontend/index.html
index 757b50b..0aeae80 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -4,7 +4,7 @@
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
   <meta name="apple-mobile-web-app-capable" content="yes">
-  <title>甲辰收藏 v1.2.5</title>
+  <title>甲辰收藏 v1.2.6</title>
   
   <!-- Favicon -->
   <link rel="icon" type="image/x-icon" href="/static/icons/favicon.ico" />
diff --git a/frontend/src/pages/Add.jsx b/frontend/src/pages/Add.jsx
index e9a9491..f09e0cb 100644
--- a/frontend/src/pages/Add.jsx
+++ b/frontend/src/pages/Add.jsx
@@ -1,6 +1,7 @@
 // 添加藏品页面 - 支持 AI 识别/手工录入/批量录入
 import React, { useState, useRef } from 'react'
 import { APP_VERSION } from '../config/version'
+const numberCategoryOptions = [{value:'无2347',label:'无2347'},{value:'无347',label:'无347'},{value:'无247',label:'无247'},{value:'无47',label:'无47'},{value:'无4',label:'无4'},{value:'带4',label:'带4'},{value:'其他',label:'其他'}];
 
 // 字段转换函数
 const convertField = (obj) => {
@@ -12,7 +13,7 @@ const convertField = (obj) => {
     packaging: 'f02_12_packaging', rarity: 'f02_13_rarity',
     isGraded: 'f03_20_is_graded', gradingCompany: 'f03_21_grading_company',
     gradingScore: 'f03_22_grading_score', threeStar: 'f03_23_three_star',
-    specialMark: 'f04_30_special_mark', serialFeature: 'f04_31_serial_feature',
+    specialMark: 'f04_30_special_mark', serialFeature: 'f04_31_serial_feature', numberCategory: 'f02_14_number_category',
     issuer: 'f04_32_issuer', issueYear: 'f04_33_issue_year',
     material: 'f04_34_material', denomination: 'f04_35_denomination',
     issueQuantity: 'f04_36_issue_quantity',
@@ -61,11 +62,11 @@ const Input = ({ form, handleChange, label, field, type = 'text', options = null
 }
 
 const getDefaultForm = () => ({
-  name: '龙钞', code: '', category: '自持', rarity: '通货', prefixSerial: '',
+  name: '藏品', code: '', category: '自持', rarity: '通货', prefixSerial: '',
   version: '2024 龙', denomination: '', status: 'in_collection', packaging: '单张',
   material: '塑料钞', issueQuantity: '1 亿', purpose: '收藏', isGraded: false,
   gradingCompany: '', gradingScore: '', threeStar: false, specialMark: '',
-  serialFeature: '', issuer: '中国人民银行', issueYear: '2024',
+  serialFeature: '', numberCategory: '', issuer: '中国人民银行', issueYear: '2024',
   costPrice: '', targetPrice: '', goalPrice: '', repairFee: '', gradingFee: '', remark: ''
 })
 
@@ -146,6 +147,23 @@ export default function Add() {
     if (key === 'goalPrice' && value) {
       setForm(prev => ({ ...prev, status: 'sold' }))
     }
+    // 冠字号变化时自动分类
+    if (key === 'prefixSerial') {
+      const serial = value
+      let cat = ''
+      const match = serial.match(/J(\d{9})/)
+      const digits = match ? match[1] : serial.replace(/\D/g, '').slice(0, 9)
+      if (digits) {
+        if (!digits.includes('2') && !digits.includes('3') && !digits.includes('4') && !digits.includes('7')) cat = '无2347'
+        else if (!digits.includes('3') && !digits.includes('4') && !digits.includes('7')) cat = '无347'
+        else if (!digits.includes('2') && !digits.includes('4') && !digits.includes('7')) cat = '无247'
+        else if (!digits.includes('4') && !digits.includes('7') && digits.includes('2') && digits.includes('3')) cat = '无47'
+        else if (digits.includes('7') && !digits.includes('4')) cat = '无4'
+        else if (digits.includes('4')) cat = '带4'
+        else cat = '其他'
+      }
+      setForm(prev => ({ ...prev, numberCategory: cat }))
+    }
     // 版别变化时同步发行年份
     if (key === 'version') {
       const yearMatch = value.match(/(20\d{2})/)
@@ -244,7 +262,26 @@ export default function Add() {
     setSaving(true)
     setError('')
     const token = localStorage.getItem('token')
-    const formData = convertField(form)
+    // 保存前自动根据冠字号设置号码分类
+    const formWithCategory = { ...form }
+    if (formWithCategory.prefixSerial && !formWithCategory.numberCategory) {
+      const serial = formWithCategory.prefixSerial
+      const match = serial.match(/J(\d{9})/)
+      const digits = match ? match[1] : serial.replace(/\D/g, '').slice(0, 9)
+      if (digits) {
+        let cat = ''
+        if (!digits.includes('2') && !digits.includes('3') && !digits.includes('4') && !digits.includes('7')) cat = '无2347'
+        else if (!digits.includes('3') && !digits.includes('4') && !digits.includes('7')) cat = '无347'
+        else if (!digits.includes('2') && !digits.includes('4') && !digits.includes('7')) cat = '无247'
+        else if (!digits.includes('4') && !digits.includes('7') && digits.includes('2') && digits.includes('3')) cat = '无47'
+        else if (digits.includes('7') && !digits.includes('4')) cat = '无4'
+        else if (digits.includes('4')) cat = '带4'
+        else cat = '其他'
+        formWithCategory.numberCategory = cat
+      }
+    }
+    
+    const formData = convertField(formWithCategory)
     try {
       // 1. 保存藏品信息（先检查是否重复）
       const res = await fetch('/api/collections', {
@@ -259,6 +296,11 @@ export default function Add() {
       const result = await res.json()
       let collectionId = result.f99_90_id || result.id
       
+      // 检查是否有错误（重复编号等）
+      if (result.error) {
+        throw new Error(result.error.message || '保存失败')
+      }
+      
       // 检查是否有重复警告
       if (result.warning && result.warning.code === 'DUPLICATE_SERIAL') {
         const { warning } = result
@@ -536,6 +578,7 @@ export default function Add() {
             <div style={{ color: '#fbbf24', fontSize: '14px', fontWeight: 'bold', marginBottom: '12px' }}>基本信息</div>
             <div style={{ display: 'flex', flexWrap: 'wrap', gap: '12px' }}>
               <Input form={form} handleChange={handleChange} label="名称 *" field="name" />
+              <Input form={form} handleChange={handleChange} label="编号（可选）" field="code" />
               <Input form={form} handleChange={handleChange} label="持仓类型" field="category" options={categoryOptions} />
               <Input form={form} handleChange={handleChange} label="珍惜度" field="rarity" options={rarityOptions} />
               <Input form={form} handleChange={handleChange} label="冠字序号" field="prefixSerial" />
@@ -573,6 +616,7 @@ export default function Add() {
             <div style={{ display: 'flex', flexWrap: 'wrap', gap: '12px' }}>
               <Input form={form} handleChange={handleChange} label="特殊标识" field="specialMark" />
               <Input form={form} handleChange={handleChange} label="号码特征" field="serialFeature" />
+              <Input form={form} handleChange={handleChange} label="号码分类" field="numberCategory" options={numberCategoryOptions} />
               <Input form={form} handleChange={handleChange} label="发行方" field="issuer" />
               <Input form={form} handleChange={handleChange} label="发行年份" field="issueYear" />
               <Input form={form} handleChange={handleChange} label="材质" field="material" />
diff --git a/frontend/src/pages/Detail.jsx b/frontend/src/pages/Detail.jsx
index 31c1a8d..7df0297 100644
--- a/frontend/src/pages/Detail.jsx
+++ b/frontend/src/pages/Detail.jsx
@@ -230,6 +230,7 @@ export default function Detail() {
         <Section title="特殊信息">
           <Field label="特殊标识" value={collection.specialMark} />
           <Field label="号码特征" value={collection.serialFeature} />
+          <Field label="号码分类" value={collection.numberCategory} />
           <Field label="发行方" value={collection.issuer} />
           <Field label="发行年份" value={collection.issueYear} />
           <Field label="材质" value={collection.material} />
diff --git a/frontend/src/pages/Edit.jsx b/frontend/src/pages/Edit.jsx
index b9a8f08..802fc66 100644
--- a/frontend/src/pages/Edit.jsx
+++ b/frontend/src/pages/Edit.jsx
@@ -46,6 +46,7 @@ const categoryOptions = [
   { value: '其他', label: '其他' }
 ]
 
+const numberCategoryOptions = [{value:'无2347',label:'无2347'},{value:'无347',label:'无347'},{value:'无247',label:'无247'},{value:'无47',label:'无47'},{value:'无4',label:'无4'},{value:'带4',label:'带4'},{value:'其他',label:'其他'}];
 const rarityOptions = [
   { value: '通货', label: '通货' },
   { value: '特色', label: '特色' },
@@ -68,7 +69,7 @@ export default function Edit() {
   const editId = params.get('id')
   
   const [form, setForm] = useState({
-    name: '', code: '', category: '自持', rarity: '通货', prefixSerial: '',
+    name: '', code: '', category: '自持', rarity: '通货', numberCategory: '', prefixSerial: '',
     version: '2024 龙', denomination: '', status: 'in_collection', packaging: '单张',
     material: '塑料钞', issueQuantity: '1 亿', purpose: '收藏', isGraded: false,
     gradingCompany: '', gradingScore: '', threeStar: false, specialMark: '',
@@ -96,6 +97,7 @@ export default function Edit() {
           code: data.code || '',
           category: data.category || '自持',
           rarity: data.rarity || '通货',
+      numberCategory: data.numberCategory || '',
           prefixSerial: data.prefixSerial || '',
           version: data.version || '2024 龙',
           denomination: data.denomination || '',
@@ -146,6 +148,23 @@ export default function Edit() {
   const handleChange = (key, value) => {
     setForm({ ...form, [key]: value })
     if (key === 'targetPrice' && value) setForm(prev => ({ ...prev, status: 'sold' }))
+    // 冠字号变化时自动分类
+    if (key === 'prefixSerial') {
+      const serial = value
+      let cat = ''
+      const match = serial.match(/J(\d{9})/)
+      const digits = match ? match[1] : serial.replace(/\D/g, '').slice(0, 9)
+      if (digits) {
+        if (!digits.includes('2') && !digits.includes('3') && !digits.includes('4') && !digits.includes('7')) cat = '无2347'
+        else if (!digits.includes('3') && !digits.includes('4') && !digits.includes('7')) cat = '无347'
+        else if (digits.includes('4')) cat = '带4'
+        else if (digits.includes('7')) cat = '无4'
+        else if (!digits.includes('4') && !digits.includes('7')) cat = '无47'
+        else if (!digits.includes('2') && !digits.includes('4') && !digits.includes('7')) cat = '无247'
+        else cat = '其他'
+      }
+      setForm(prev => ({ ...prev, numberCategory: cat }))
+    }
     // 版别变化时同步发行年份
     if (key === 'version') {
       const yearMatch = value.match(/(20\d{2})/)
@@ -238,6 +257,7 @@ export default function Edit() {
       status: 'f01_04_status', remark: 'f01_05_remark',
       prefixSerial: 'f02_10_prefix_serial', version: 'f02_11_version',
       packaging: 'f02_12_packaging', rarity: 'f02_13_rarity',
+      numberCategory: 'f02_14_number_category',
       isGraded: 'f03_20_is_graded', gradingCompany: 'f03_21_grading_company',
       gradingScore: 'f03_22_grading_score', threeStar: 'f03_23_three_star',
       specialMark: 'f04_30_special_mark', serialFeature: 'f04_31_serial_feature',
@@ -398,6 +418,7 @@ export default function Edit() {
           <div style={{ display: 'flex', flexWrap: 'wrap', gap: '12px' }}>
             <Input form={form} handleChange={handleChange} label="特殊标识" field="specialMark" />
             <Input form={form} handleChange={handleChange} label="号码特征" field="serialFeature" />
+            <Input form={form} handleChange={handleChange} label="号码分类" field="numberCategory" options={numberCategoryOptions} />
             <Input form={form} handleChange={handleChange} label="发行方" field="issuer" />
             <Input form={form} handleChange={handleChange} label="发行年份" field="issueYear" />
             <Input form={form} handleChange={handleChange} label="材质" field="material" />
diff --git a/frontend/src/pages/List.jsx b/frontend/src/pages/List.jsx
index ccffac6..9af41fb 100644
--- a/frontend/src/pages/List.jsx
+++ b/frontend/src/pages/List.jsx
@@ -94,6 +94,7 @@ export default function List() {
           category: 'category',
           packaging: 'packaging',
           rarity: 'rarity',
+          numberCategory: 'numberCategory',
           version: 'version',
           gradingCompany: 'gradingCompany',
           gradingScore: 'gradingScore',
@@ -278,6 +279,11 @@ export default function List() {
       const rarityOrder = { '通货': 1, '特色': 2, '少见': 3, '稀有': 4, '珍品': 5, '孤品': 6 }
       aVal = rarityOrder[aVal] || 0
       bVal = rarityOrder[bVal] || 0
+    } else if (sortField === 'numberCategory') {
+      // 号码分类按自定义顺序排序
+      const numberCategoryOrder = { '无2347': 1, '无347': 2, '无247': 3, '无47': 4, '无4': 5, '带4': 6, '其他': 7 }
+      aVal = numberCategoryOrder[aVal] || 99
+      bVal = numberCategoryOrder[bVal] || 99
     }
     if (aVal == null) return 1
     if (bVal == null) return -1
@@ -317,11 +323,25 @@ export default function List() {
     return colors[category] || '#64748b'
   }
 
+  const getNumberCategoryColor = (cat) => {
+    const colors = { '无2347': '#8b5cf6', '无347': '#ef4444', '无247': '#fbbf24', '无47': '#3b82f6', '无4': '#06b6d4', '带4': '#22c55e', '其他': '#64748b' };
+    return colors[cat] || '#64748b';
+  };
+
   const getRarityColor = (rarity) => {
     const colors = { '通货': '#22c55e', '特色': '#06b6d4', '少见': '#3b82f6', '稀有': '#ec4899', '珍品': '#ef4444', '孤品': '#8b5cf6' }
     return colors[rarity] || '#64748b'
   }
 
+  const formatPrefixSerial = (serial) => {
+    if (!serial) return '-'
+    // 提取J开头的10位（1位J + 9位数字）
+    const match = serial.match(/J(\d{9})/)
+    if (match) return 'J' + match[1]
+    // 如果没有J开头，取前10位
+    return serial.substring(0, 10)
+  }
+
   const getPackagingColor = (packaging) => {
     const colors = { '裸钞': '#22c55e', '单张': '#3b82f6', '标十': '#fbbf24', '标百': '#8b5cf6' }
     return colors[packaging] || '#64748b'
@@ -365,13 +385,14 @@ export default function List() {
       <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', marginBottom: '4px' }}>
         <div style={{ display: 'flex', alignItems: 'center', gap: '6px', flexWrap: 'wrap' }}>
           <span style={{ color: '#fff', fontSize: '12px', fontWeight: 'normal' }}>{item.code || '-'}</span>
-          <span style={{ color: '#fbbf24', fontSize: '14px', fontFamily: 'monospace', fontWeight: 'bold' }}>{item.prefixSerial || '-'}</span>
+          <span style={{ color: '#fbbf24', fontSize: '14px', fontFamily: 'monospace', fontWeight: 'bold' }}>{formatPrefixSerial(item.prefixSerial)}</span>
           {item.packaging && <span style={{ background: getPackagingColor(item.packaging) + '20', color: getPackagingColor(item.packaging), fontSize: '10px', padding: '1px 5px', borderRadius: '3px' }}>{item.packaging}</span>}
+                          {item.numberCategory && <span style={{ color: getNumberCategoryColor(item.numberCategory), fontSize: '9px', padding: '1px 4px', background: getNumberCategoryColor(item.numberCategory) + '20', borderRadius: '2px', marginLeft: '4px' }}>{item.numberCategory}</span>}
         </div>
         <div style={{ display: 'flex', gap: '3px' }}>
           {item.status && <span style={{ color: getStatusColor(item.status), fontSize: '9px', padding: '1px 4px', background: getStatusColor(item.status) + '25', borderRadius: '2px' }}>{getStatusText(item.status)}</span>}
           {item.category && <span style={{ color: getCategoryColor(item.category), fontSize: '9px', padding: '1px 4px', background: getCategoryColor(item.category) + '25', borderRadius: '2px' }}>{getCategoryText(item.category)}</span>}
-          {item.rarity && <span style={{ color: getRarityColor(item.rarity), fontSize: '9px', padding: '1px 4px', background: getRarityColor(item.rarity) + '20', borderRadius: '2px' }}>{item.rarity}</span>}
+                          {item.rarity && <span style={{ color: getRarityColor(item.rarity), fontSize: '9px', padding: '1px 4px', background: getRarityColor(item.rarity) + '20', borderRadius: '2px' }}>{item.rarity}</span>}
         </div>
       </div>
       {/* 第2行：版本(彩色) + 已评级 + 评级公司 + 评级分数 + 三星 + 特殊标识 | 备注 */}
@@ -487,6 +508,7 @@ export default function List() {
             { key: 'goalPrice', label: '售价' },
             { key: 'category', label: '持仓类型' },
             { key: 'rarity', label: '珍惜度' },
+      { key: 'numberCategory', label: '号码分类' },
             { key: 'gradingScore', label: '评级分数' }
           ].map(item => (
             <div key={item.key} onClick={() => {
@@ -523,7 +545,7 @@ export default function List() {
               <div key={item.id} onClick={() => goDetail(item.id)} style={{ background: 'rgba(255,255,255,0.03)', border: '1px solid rgba(255,255,255,0.05)', borderRadius: '12px', padding: '12px', cursor: 'pointer' }}>
                 <div style={{ height: '80px', background: 'rgba(255,255,255,0.03)', borderRadius: '8px', display: 'flex', alignItems: 'center', justifyContent: 'center', fontSize: '32px', marginBottom: '10px' }}>🐉</div>
                 <div style={{ color: '#fff', fontSize: '12px', fontWeight: 'normal' }}>{item.code || '-'}</div>
-                <div style={{ color: '#fbbf24', fontSize: '12px', fontFamily: 'monospace', marginTop: '2px' }}>{item.prefixSerial || '-'}</div>
+                <div style={{ color: '#fbbf24', fontSize: '12px', fontFamily: 'monospace', marginTop: '2px' }}>{formatPrefixSerial(item.prefixSerial)}</div>
                 <div style={{ display: 'flex', gap: '4px', marginTop: '6px', flexWrap: 'wrap' }}>
                   {item.gradingScore && <span style={{ color: '#fbbf24', fontSize: '12px', fontWeight: 'bold' }}>{item.gradingScore}</span>}
                   {item.threeStar && <span style={{ color: '#fbbf24', fontSize: '10px' }}>⭐⭐⭐</span>}
diff --git a/frontend/src/pages/Stats.jsx b/frontend/src/pages/Stats.jsx
index 59be7b9..c76bed7 100644
--- a/frontend/src/pages/Stats.jsx
+++ b/frontend/src/pages/Stats.jsx
@@ -10,6 +10,7 @@ export default function Stats() {
     byGrading: [],
     byPackaging: [],
     byRarity: [],
+    byNumberCategory: [],
     byVersion: [],
     byGradingCompany: [],
     byGradingScore: [],
@@ -49,6 +50,7 @@ export default function Stats() {
         byGrading: data.byGrading || [],
         byPackaging: data.byPackaging || [],
         byRarity: data.byRarity || [],
+        byNumberCategory: data.byNumberCategory || [],
         byVersion: data.byVersion || [],
         byGradingCompany: data.byGradingCompany || [],
         byGradingScore: data.byGradingScore || [],
@@ -94,10 +96,15 @@ export default function Stats() {
   // 颜色配置
   const colors = {
     packaging: { '标十': '#22c55e', '标百': '#3b82f6', '单张': '#f59e0b', '裸钞': '#64748b' },
-    rarity: { '通货': '#64748b', '特色': '#22c55e', '少见': '#3b82f6', '稀有': '#8b5cf6', '珍品': '#f59e0b', '孤品': '#ef4444' },
+    rarity: { '通货': '#64748b', '特色': '#22c55e', '少见': '#3b82f6', '稀有': '#8b5cf6', '珍品': '#ef4444', '孤品': '#fbbf24' },
     status: { 'in_collection': '#22c55e', 'selling': '#f59e0b', 'sold': '#ef4444', 'grading': '#8b5cf6', 'repairing': '#f97316', 'transit': '#06b6d4', 'seeking': '#ec4899' },
     category: { '自持': '#22c55e', '寄存': '#3b82f6', '寄售': '#f59e0b', '共有': '#8b5cf6', '寻号': '#06b6d4', '生肖钞': '#22c55e', '其他': '#64748b' },
-    profitLoss: { 'profit': '#22c55e', 'loss': '#ef4444' }
+    profitLoss: { 'profit': '#22c55e', 'loss': '#ef4444' },
+    numberCategory: { '无2347': '#8b5cf6', '无347': '#ef4444', '无247': '#fbbf24', '无47': '#3b82f6', '无4': '#06b6d4', '带4': '#22c55e', '其他': '#64748b' },
+    version: {},
+    gradingCompany: {},
+    gradingScore: {},
+    specialMark: {}
   }
 
   // 标签映射
@@ -117,8 +124,14 @@ export default function Stats() {
     }
   }
 
+  const colorPalette = ['#22c55e', '#3b82f6', '#f59e0b', '#ef4444', '#8b5cf6', '#06b6d4', '#ec4899', '#f97316', '#14b8a6', '#a855f7']
   const getColor = (type, value) => {
-    return colors[type]?.[value] || '#64748b'
+    if (colors[type]?.[value]) return colors[type][value]
+    // 动态生成颜色
+    const key = String(value)
+    let hash = 0
+    for (let i = 0; i < key.length; i++) hash = key.charCodeAt(i) + ((hash << 5) - hash)
+    return colorPalette[Math.abs(hash) % colorPalette.length]
   }
 
   const getLabel = (type, value) => {
@@ -130,11 +143,23 @@ export default function Stats() {
     return Number(val).toLocaleString('zh-CN')
   }
 
+  const numberCategoryOrder = ['无2347', '无347', '无247', '无47', '无4', '带4', '其他']
+  const getSortedData = (data, type) => {
+    if (type === 'numberCategory') {
+      return [...data].sort((a, b) => {
+        const order = numberCategoryOrder.indexOf(a.numberCategory)
+        const order2 = numberCategoryOrder.indexOf(b.numberCategory)
+        return order - order2
+      })
+    }
+    return data
+  }
+
   const DistributionCard = ({ title, data, type, valueKey, labelKey }) => (
     <div style={{ background: 'rgba(255,255,255,0.03)', borderRadius: '12px', padding: '16px', marginBottom: '12px' }}>
       <div style={{ color: '#fbbf24', fontSize: '14px', fontWeight: 'bold', marginBottom: '12px' }}>{title}</div>
       <div style={{ display: 'grid', gridTemplateColumns: 'repeat(2, 1fr)', gap: '8px' }}>
-        {data.slice(0, 6).map((item, index) => {
+        {getSortedData(data, type).slice(0, 6).map((item, index) => {
           const value = item[valueKey]
           const label = getLabel(type, item[labelKey] || value)
           const color = getColor(type, value)
@@ -159,13 +184,17 @@ export default function Stats() {
                 e.currentTarget.style.borderColor = 'rgba(255,255,255,0.05)'
               }}
             >
-              <div style={{ display: 'flex', alignItems: 'center', gap: '6px', marginBottom: '4px' }}>
-                <div style={{ width: '8px', height: '8px', borderRadius: '2px', background: color }} />
-                <div style={{ color: '#fff', fontSize: '13px', fontWeight: '500', flex: 1, overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap' }}>
-                  {label}
+              <div style={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between' }}>
+                <div style={{ display: 'flex', alignItems: 'center', gap: '6px', flex: 1, overflow: 'hidden' }}>
+                  <div style={{ width: '8px', height: '8px', borderRadius: '2px', background: color, flexShrink: 0 }} />
+                  <div style={{ color: color, fontSize: '12px', fontWeight: '500', overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap' }}>
+                    {label}
+                  </div>
+                </div>
+                <div style={{ color: '#fff', fontSize: '14px', fontWeight: 'bold', marginLeft: '8px', flexShrink: 0 }}>
+                  {item.count}
                 </div>
               </div>
-              <div style={{ color: '#fff', fontSize: '16px', fontWeight: 'bold' }}>{item.count}</div>
             </div>
           )
         })}
@@ -246,9 +275,9 @@ export default function Stats() {
           </div>
         </div>
 
-        <DistributionCard title="📋 状态分布" data={stats.byStatus} type="status" valueKey="status" />
-        <DistributionCard title="💼 持仓类型分布" data={stats.byCategory} type="category" valueKey="category" />
         <DistributionCard title="📦 包装分布" data={stats.byPackaging} type="packaging" valueKey="packaging" />
+        <DistributionCard title="🔢 号码分类分布" data={stats.byNumberCategory} type="numberCategory" valueKey="numberCategory" />
+        <DistributionCard title="📋 状态分布" data={stats.byStatus} type="status" valueKey="status" />
         <DistributionCard title="⭐ 珍惜度分布" data={stats.byRarity} type="rarity" valueKey="rarity" />
         <DistributionCard title="🏷️ 版别分布" data={stats.byVersion} type="version" valueKey="version" />
         <DistributionCard title="🏅 评级机构分布" data={stats.byGradingCompany} type="gradingCompany" valueKey="company" />