diff --git a/backend/test-api.js b/backend/test-api.js
deleted file mode 100644
index 61bde28..0000000
--- a/backend/test-api.js
+++ /dev/null
@@ -1,314 +0,0 @@
-import http from 'http'
-
-const BASE_URL = 'http://localhost:3001'
-
-// 测试结果收集
-const testResults = {
-  passed: 0,
-  failed: 0,
-  tests: []
-}
-
-// HTTP请求辅助函数
-function request(method, path, data = null) {
-  return new Promise((resolve, reject) => {
-    const url = new URL(path, BASE_URL)
-    const options = {
-      method,
-      headers: {
-        'Content-Type': 'application/json'
-      }
-    }
-
-    const req = http.request(url, options, (res) => {
-      let body = ''
-      res.on('data', (chunk) => { body += chunk })
-      res.on('end', () => {
-        try {
-          const response = JSON.parse(body)
-          resolve({ status: res.statusCode, data: response })
-        } catch (e) {
-          resolve({ status: res.statusCode, data: body })
-        }
-      })
-    })
-
-    req.on('error', reject)
-
-    if (data) {
-      req.write(JSON.stringify(data))
-    }
-    req.end()
-  })
-}
-
-// 断言函数
-function assert(condition, testName, message = '') {
-  const result = {
-    name: testName,
-    passed: condition,
-    message: message || (condition ? '通过' : '失败')
-  }
-  testResults.tests.push(result)
-  if (condition) {
-    testResults.passed++
-    console.log(`✅ ${testName}`)
-  } else {
-    testResults.failed++
-    console.log(`❌ ${testName}: ${message}`)
-  }
-}
-
-// 检查响应格式
-function checkResponseFormat(response, testNamePrefix) {
-  assert(
-    response.data.hasOwnProperty('success'),
-    `${testNamePrefix} - 响应包含success字段`,
-    `响应缺少success字段，实际响应: ${JSON.stringify(response.data)}`
-  )
-  assert(
-    response.data.hasOwnProperty('data'),
-    `${testNamePrefix} - 响应包含data字段`,
-    `响应缺少data字段，实际响应: ${JSON.stringify(response.data)}`
-  )
-  assert(
-    response.data.hasOwnProperty('message'),
-    `${testNamePrefix} - 响应包含message字段`,
-    `响应缺少message字段，实际响应: ${JSON.stringify(response.data)}`
-  )
-}
-
-// 主测试流程
-async function runTests() {
-  console.log('='.repeat(60))
-  console.log('个人理财系统 - API集成测试')
-  console.log('='.repeat(60))
-
-  try {
-    // 1. 健康检查
-    console.log('\n【1】健康检查测试')
-    console.log('-'.repeat(40))
-    const healthRes = await request('GET', '/health')
-    assert(healthRes.status === 200, '健康检查状态码200')
-    checkResponseFormat(healthRes, '健康检查')
-    assert(healthRes.data.success === true, '健康检查success为true')
-
-    // 2. 基础API信息
-    console.log('\n【2】API基础信息测试')
-    console.log('-'.repeat(40))
-    const apiRes = await request('GET', '/api')
-    assert(apiRes.status === 200, 'API信息状态码200')
-    checkResponseFormat(apiRes, 'API信息')
-
-    // 3. 用户接口测试
-    console.log('\n【3】用户接口测试')
-    console.log('-'.repeat(40))
-
-    // 创建测试用户
-    const createUserRes = await request('POST', '/api/users', {
-      name: '测试用户',
-      email: 'test' + Date.now() + '@example.com'
-    })
-    assert(createUserRes.status === 200, '创建用户状态码200')
-    checkResponseFormat(createUserRes, '创建用户')
-    assert(createUserRes.data.success === true, '创建用户success为true')
-    assert(createUserRes.data.data !== null, '创建用户返回数据不为null')
-    assert(createUserRes.data.data.id !== undefined, '创建用户返回ID')
-
-    const testUserId = createUserRes.data.data.id
-
-    // 获取用户列表
-    const getUsersRes = await request('GET', '/api/users')
-    assert(getUsersRes.status === 200, '获取用户列表状态码200')
-    checkResponseFormat(getUsersRes, '获取用户列表')
-    assert(Array.isArray(getUsersRes.data.data), '用户列表为数组')
-
-    // 4. 账户接口测试
-    console.log('\n【4】账户接口测试')
-    console.log('-'.repeat(40))
-
-    // 创建账户
-    const createAccountRes = await request('POST', '/api/accounts', {
-      userId: testUserId,
-      name: '测试账户',
-      type: 'cash',
-      balance: 1000
-    })
-    assert(createAccountRes.status === 200, '创建账户状态码200')
-    checkResponseFormat(createAccountRes, '创建账户')
-    assert(createAccountRes.data.success === true, '创建账户success为true')
-    assert(createAccountRes.data.data !== null, '创建账户返回数据不为null')
-
-    const testAccountId = createAccountRes.data.data.id
-
-    // 获取账户列表
-    const getAccountsRes = await request('GET', `/api/accounts?userId=${testUserId}`)
-    assert(getAccountsRes.status === 200, '获取账户列表状态码200')
-    checkResponseFormat(getAccountsRes, '获取账户列表')
-    assert(Array.isArray(getAccountsRes.data.data), '账户列表为数组')
-
-    // 获取单个账户
-    const getAccountRes = await request('GET', `/api/accounts/${testAccountId}`)
-    assert(getAccountRes.status === 200, '获取单个账户状态码200')
-    checkResponseFormat(getAccountRes, '获取单个账户')
-    assert(getAccountRes.data.data.id === testAccountId, '账户ID匹配')
-
-    // 更新账户
-    const updateAccountRes = await request('PUT', `/api/accounts/${testAccountId}`, {
-      name: '测试账户(已更新)',
-      balance: 2000
-    })
-    assert(updateAccountRes.status === 200, '更新账户状态码200')
-    checkResponseFormat(updateAccountRes, '更新账户')
-    assert(updateAccountRes.data.data.name === '测试账户(已更新)', '账户名称已更新')
-
-    // 5. 交易记录接口测试
-    console.log('\n【5】交易记录接口测试')
-    console.log('-'.repeat(40))
-
-    // 创建收入记录
-    const createIncomeRes = await request('POST', '/api/records', {
-      userId: testUserId,
-      accountId: testAccountId,
-      type: 'income',
-      amount: 500,
-      category: '工资',
-      description: '测试收入'
-    })
-    assert(createIncomeRes.status === 200, '创建收入记录状态码200')
-    checkResponseFormat(createIncomeRes, '创建收入记录')
-    assert(createIncomeRes.data.success === true, '创建收入记录success为true')
-
-    const testRecordId = createIncomeRes.data.data.id
-
-    // 创建支出记录
-    const createExpenseRes = await request('POST', '/api/records', {
-      userId: testUserId,
-      accountId: testAccountId,
-      type: 'expense',
-      amount: 200,
-      category: '餐饮',
-      description: '测试支出'
-    })
-    assert(createExpenseRes.status === 200, '创建支出记录状态码200')
-    checkResponseFormat(createExpenseRes, '创建支出记录')
-
-    // 获取记录列表
-    const getRecordsRes = await request('GET', `/api/records?userId=${testUserId}`)
-    assert(getRecordsRes.status === 200, '获取记录列表状态码200')
-    checkResponseFormat(getRecordsRes, '获取记录列表')
-    assert(Array.isArray(getRecordsRes.data.data), '记录列表为数组')
-
-    // 获取单个记录
-    const getRecordRes = await request('GET', `/api/records/${testRecordId}`)
-    assert(getRecordRes.status === 200, '获取单个记录状态码200')
-    checkResponseFormat(getRecordRes, '获取单个记录')
-
-    // 更新记录
-    const updateRecordRes = await request('PUT', `/api/records/${testRecordId}`, {
-      description: '测试收入(已更新)'
-    })
-    assert(updateRecordRes.status === 200, '更新记录状态码200')
-    checkResponseFormat(updateRecordRes, '更新记录')
-
-    // 6. 预算接口测试
-    console.log('\n【6】预算接口测试')
-    console.log('-'.repeat(40))
-
-    const currentMonth = new Date().toISOString().slice(0, 7)
-
-    // 创建预算
-    const createBudgetRes = await request('POST', '/api/budgets', {
-      userId: testUserId,
-      category: '餐饮',
-      amount: 1000,
-      month: currentMonth
-    })
-    assert(createBudgetRes.status === 200, '创建预算状态码200')
-    checkResponseFormat(createBudgetRes, '创建预算')
-    assert(createBudgetRes.data.success === true, '创建预算success为true')
-
-    const testBudgetId = createBudgetRes.data.data.id
-
-    // 获取预算列表
-    const getBudgetsRes = await request('GET', `/api/budgets?userId=${testUserId}`)
-    assert(getBudgetsRes.status === 200, '获取预算列表状态码200')
-    checkResponseFormat(getBudgetsRes, '获取预算列表')
-    assert(Array.isArray(getBudgetsRes.data.data), '预算列表为数组')
-
-    // 获取单个预算
-    const getBudgetRes = await request('GET', `/api/budgets/${testBudgetId}`)
-    assert(getBudgetRes.status === 200, '获取单个预算状态码200')
-    checkResponseFormat(getBudgetRes, '获取单个预算')
-
-    // 更新预算
-    const updateBudgetRes = await request('PUT', `/api/budgets/${testBudgetId}`, {
-      amount: 1500
-    })
-    assert(updateBudgetRes.status === 200, '更新预算状态码200')
-    checkResponseFormat(updateBudgetRes, '更新预算')
-
-    // 7. 统计接口测试
-    console.log('\n【7】统计接口测试')
-    console.log('-'.repeat(40))
-
-    // 月度统计
-    const monthlyStatsRes = await request('GET', `/api/statistics/monthly?userId=${testUserId}&month=${currentMonth}`)
-    assert(monthlyStatsRes.status === 200, '月度统计状态码200')
-    checkResponseFormat(monthlyStatsRes, '月度统计')
-    assert(monthlyStatsRes.data.data.totalIncome !== undefined, '月度统计包含总收入')
-    assert(monthlyStatsRes.data.data.totalExpense !== undefined, '月度统计包含总支出')
-
-    // 趋势统计
-    const trendRes = await request('GET', `/api/statistics/trend?userId=${testUserId}`)
-    assert(trendRes.status === 200, '趋势统计状态码200')
-    checkResponseFormat(trendRes, '趋势统计')
-    assert(Array.isArray(trendRes.data.data), '趋势统计返回数组')
-
-    // 8. 仪表盘接口测试
-    console.log('\n【8】仪表盘接口测试')
-    console.log('-'.repeat(40))
-
-    const dashboardRes = await request('GET', `/api/dashboard/summary?userId=${testUserId}`)
-    assert(dashboardRes.status === 200, '仪表盘状态码200')
-    checkResponseFormat(dashboardRes, '仪表盘')
-    assert(dashboardRes.data.data.totalBalance !== undefined, '仪表盘包含总余额')
-    assert(dashboardRes.data.data.monthIncome !== undefined, '仪表盘包含本月收入')
-    assert(dashboardRes.data.data.monthExpense !== undefined, '仪表盘包含本月支出')
-
-    // 9. 清理测试数据
-    console.log('\n【9】清理测试数据')
-    console.log('-'.repeat(40))
-
-    // 删除记录
-    await request('DELETE', `/api/records/${testRecordId}`)
-
-    // 删除预算
-    await request('DELETE', `/api/budgets/${testBudgetId}`)
-
-    // 删除账户
-    await request('DELETE', `/api/accounts/${testAccountId}`)
-
-    console.log('✅ 测试数据清理完成')
-
-  } catch (error) {
-    console.error('❌ 测试过程出错:', error)
-  }
-
-  // 输出测试报告
-  console.log('\n' + '='.repeat(60))
-  console.log('测试报告摘要')
-  console.log('='.repeat(60))
-  console.log(`总测试数: ${testResults.tests.length}`)
-  console.log(`✅ 通过: ${testResults.passed}`)
-  console.log(`❌ 失败: ${testResults.failed}`)
-  console.log(`通过率: ${((testResults.passed / testResults.tests.length) * 100).toFixed(1)}%`)
-  console.log('='.repeat(60))
-
-  return testResults
-}
-
-// 运行测试
-runTests().then(results => {
-  process.exit(results.failed > 0 ? 1 : 0)
-})