diff --git a/apps/backend/src/services/platforms/kuaishou-feifei/http-client.test.ts b/apps/backend/src/services/platforms/kuaishou-feifei/http-client.test.ts
index 2e194558..6b3397e4 100644
--- a/apps/backend/src/services/platforms/kuaishou-feifei/http-client.test.ts
+++ b/apps/backend/src/services/platforms/kuaishou-feifei/http-client.test.ts
@@ -2,10 +2,7 @@ import crypto from 'node:crypto'
 import test from 'node:test'
 import assert from 'node:assert/strict'
 
-import {
-  isKuaishouFeifeiSuccessResponse,
-  signKuaishouFeifeiPayload,
-} from './http-client.js'
+import { isKuaishouFeifeiSuccessResponse, signKuaishouFeifeiPayload } from './http-client.js'
 
 test('signKuaishouFeifeiPayload signs app key, timestamp and raw body with HMAC SHA256', () => {
   const input = {
@@ -26,6 +23,8 @@ test('signKuaishouFeifeiPayload signs app key, timestamp and raw body with HMAC
 test('isKuaishouFeifeiSuccessResponse accepts documented and actual success codes', () => {
   assert.equal(isKuaishouFeifeiSuccessResponse({ code: 0, message: 'success' }), true)
   assert.equal(isKuaishouFeifeiSuccessResponse({ code: 10000, message: 'success' }), true)
+  assert.equal(isKuaishouFeifeiSuccessResponse({ code: 10000, message: '下单成功' }), true)
+  assert.equal(isKuaishouFeifeiSuccessResponse({ code: 10000, message: '查询成功' }), true)
   assert.equal(isKuaishouFeifeiSuccessResponse({ code: 10000, message: '商品不存在' }), false)
   assert.equal(isKuaishouFeifeiSuccessResponse({ code: 1, message: 'success' }), false)
 })
diff --git a/apps/backend/src/services/platforms/kuaishou-feifei/http-client.ts b/apps/backend/src/services/platforms/kuaishou-feifei/http-client.ts
index f876ca9c..9ba0741f 100644
--- a/apps/backend/src/services/platforms/kuaishou-feifei/http-client.ts
+++ b/apps/backend/src/services/platforms/kuaishou-feifei/http-client.ts
@@ -1,6 +1,7 @@
 import crypto from 'node:crypto'
 
 import { createHttpError } from '../../../utils/http.js'
+import { createRequestId, logExternalHttpPacket } from '../../../utils/logger.js'
 import { assertKuaishouFeifeiConfig } from './config.js'
 
 type JsonObject = Record<string, any>
@@ -9,6 +10,9 @@ export async function kuaishouFeifeiRequest(pathname: string, payload: JsonObjec
   const config = assertKuaishouFeifeiConfig()
   const body = JSON.stringify(payload)
   const timestamp = String(Math.floor(Date.now() / 1000))
+  const packetId = createRequestId('ff')
+  const startedAt = Date.now()
+  let upstreamPacketLogged = false
   const sign = signKuaishouFeifeiPayload({
     appKey: config.appKey,
     appSecret: config.appSecret,
@@ -17,23 +21,62 @@ export async function kuaishouFeifeiRequest(pathname: string, payload: JsonObjec
   })
   const controller = new AbortController()
   const timeout = setTimeout(() => controller.abort(), config.timeoutMs)
+  const url = `${config.baseUrl}${pathname}`
+  const requestHeaders = {
+    'content-type': 'application/json',
+    'x-app-key': config.appKey,
+    'x-timestamp': timestamp,
+    'x-sign': sign,
+  }
+
+  logExternalHttpPacket('[kuaishou-feifei/http]', '发送请求', {
+    packetId,
+    method: 'POST',
+    pathname,
+    url,
+    timeoutMs: config.timeoutMs,
+    request: {
+      headers: requestHeaders,
+      body: payload,
+      rawBody: body,
+    },
+  })
 
   try {
-    const response = await fetch(`${config.baseUrl}${pathname}`, {
+    const response = await fetch(url, {
       method: 'POST',
-      headers: {
-        'content-type': 'application/json',
-        'x-app-key': config.appKey,
-        'x-timestamp': timestamp,
-        'x-sign': sign,
-      },
+      headers: requestHeaders,
       body,
       signal: controller.signal,
     })
     const text = await response.text()
     const json = parseJsonObject(text)
+    const durationMs = Date.now() - startedAt
+    const responsePacket = {
+      packetId,
+      method: 'POST',
+      pathname,
+      url,
+      status: response.status,
+      durationMs,
+      request: {
+        headers: requestHeaders,
+        body: payload,
+      },
+      response: {
+        ok: response.ok,
+        headers: normalizeFetchHeaders(response.headers),
+        summary: summarizeKuaishouFeifeiResponse(json),
+        body: json,
+        rawText: text,
+      },
+    }
 
     if (!response.ok) {
+      upstreamPacketLogged = true
+      logExternalHttpPacket('[kuaishou-feifei/http]', 'HTTP 响应失败', responsePacket, {
+        level: 'warn',
+      })
       throw createHttpError(`kuaishou-feifei 请求失败: HTTP ${response.status}`, {
         statusCode: 502,
         errorCode: 'kuaishou_feifei_http_failed',
@@ -45,6 +88,10 @@ export async function kuaishouFeifeiRequest(pathname: string, payload: JsonObjec
     }
 
     if (!isKuaishouFeifeiSuccessResponse(json)) {
+      upstreamPacketLogged = true
+      logExternalHttpPacket('[kuaishou-feifei/http]', '业务响应失败', responsePacket, {
+        level: 'warn',
+      })
       throw createHttpError(String(json.message || 'kuaishou-feifei 业务失败'), {
         statusCode: 502,
         errorCode: 'kuaishou_feifei_business_failed',
@@ -52,15 +99,60 @@ export async function kuaishouFeifeiRequest(pathname: string, payload: JsonObjec
       })
     }
 
+    upstreamPacketLogged = true
+    logExternalHttpPacket('[kuaishou-feifei/http]', '请求完成', responsePacket)
+
     return json
   } catch (error) {
     if ((error as Error)?.name === 'AbortError') {
+      logExternalHttpPacket(
+        '[kuaishou-feifei/http]',
+        '请求超时',
+        {
+          packetId,
+          method: 'POST',
+          pathname,
+          url,
+          timeoutMs: config.timeoutMs,
+          durationMs: Date.now() - startedAt,
+          request: {
+            headers: requestHeaders,
+            body: payload,
+          },
+        },
+        {
+          level: 'warn',
+        },
+      )
       throw createHttpError('kuaishou-feifei 请求超时', {
         statusCode: 504,
         errorCode: 'kuaishou_feifei_timeout',
       })
     }
 
+    if (!upstreamPacketLogged) {
+      logExternalHttpPacket(
+        '[kuaishou-feifei/http]',
+        '请求异常',
+        {
+          packetId,
+          method: 'POST',
+          pathname,
+          url,
+          timeoutMs: config.timeoutMs,
+          durationMs: Date.now() - startedAt,
+          request: {
+            headers: requestHeaders,
+            body: payload,
+          },
+          error,
+        },
+        {
+          level: 'error',
+        },
+      )
+    }
+
     throw error
   } finally {
     clearTimeout(timeout)
@@ -87,9 +179,11 @@ export function signKuaishouFeifeiPayload({
 
 export function isKuaishouFeifeiSuccessResponse(json: JsonObject) {
   const code = Number(json.code ?? 0)
-  const message = String(json.message || json.msg || '').trim().toLowerCase()
+  const message = String(json.message || json.msg || '')
+    .trim()
+    .toLowerCase()
 
-  return code === 0 || (code === 10000 && message === 'success')
+  return code === 0 || (code === 10000 && isKuaishouFeifeiSuccessMessage(message))
 }
 
 function parseJsonObject(text: string): JsonObject {
@@ -100,3 +194,37 @@ function parseJsonObject(text: string): JsonObject {
     return {}
   }
 }
+
+function isKuaishouFeifeiSuccessMessage(message: string) {
+  return message === 'success' || message === 'ok' || message.endsWith('成功')
+}
+
+function normalizeFetchHeaders(headers: Headers) {
+  const result: Record<string, string> = {}
+  headers.forEach((value, key) => {
+    result[key] = value
+  })
+  return result
+}
+
+function summarizeKuaishouFeifeiResponse(json: JsonObject) {
+  const data = json.data && typeof json.data === 'object' ? (json.data as JsonObject) : {}
+  const order = data.order && typeof data.order === 'object' ? (data.order as JsonObject) : null
+  const h5 = order?.h5 && typeof order.h5 === 'object' ? (order.h5 as JsonObject) : {}
+  const list = Array.isArray(data.list) ? data.list : []
+
+  return {
+    code: json.code,
+    message: String(json.message || json.msg || '').trim(),
+    hasOrder: Boolean(order),
+    orderNo: String(order?.order_no || '').trim(),
+    platformOrderNo: String(order?.platform_order_no || '').trim(),
+    productCode: String(order?.product_code || '').trim(),
+    rechargeStatus: Number(order?.recharge_status ?? order?.status ?? 0) || 0,
+    rechargeStatusLabel: String(order?.recharge_status_label || order?.status_label || '').trim(),
+    hasH5EntryUrl: Boolean(String(h5.entry_url || '').trim()),
+    hasH5RechargeUrl: Boolean(String(h5.recharge_url || '').trim()),
+    listCount: list.length,
+    total: Number(data.total || list.length || 0) || 0,
+  }
+}
diff --git a/apps/backend/src/utils/logger.test.ts b/apps/backend/src/utils/logger.test.ts
index 0280c63a..0f98d2de 100644
--- a/apps/backend/src/utils/logger.test.ts
+++ b/apps/backend/src/utils/logger.test.ts
@@ -28,7 +28,10 @@ test('shouldWriteLog respects configured minimum log level', () => {
 
 test('resolveLogFilePath uses daily log file names by channel', () => {
   assert.match(resolveLogFilePath('app', '2026-05-28T00:00:19.194+08:00'), /app-2026-05-28\.log$/)
-  assert.match(resolveLogFilePath('integration', '2026-05-28T00:00:19.194+08:00'), /integration-2026-05-28\.log$/)
+  assert.match(
+    resolveLogFilePath('integration', '2026-05-28T00:00:19.194+08:00'),
+    /integration-2026-05-28\.log$/,
+  )
 })
 
 test('resolveLogFilePath uses local date for utc timestamps', () => {
@@ -36,15 +39,18 @@ test('resolveLogFilePath uses local date for utc timestamps', () => {
 })
 
 test('resolveExpiredLogFilenames keeps latest thirty days by default and ignores unknown files', () => {
-  const expired = resolveExpiredLogFilenames([
-    'app-2026-05-30.log',
-    'app-2026-05-01.log',
-    'app-2026-04-30.log',
-    'integration-2026-04-29.log',
-    'app.log',
-    'integration.log',
-    'random.txt',
-  ], '2026-05-30')
+  const expired = resolveExpiredLogFilenames(
+    [
+      'app-2026-05-30.log',
+      'app-2026-05-01.log',
+      'app-2026-04-30.log',
+      'integration-2026-04-29.log',
+      'app.log',
+      'integration.log',
+      'random.txt',
+    ],
+    '2026-05-30',
+  )
 
   assert.deepEqual(expired, [
     'app-2026-04-30.log',
@@ -55,15 +61,13 @@ test('resolveExpiredLogFilenames keeps latest thirty days by default and ignores
 })
 
 test('resolveExpiredLogFilenames supports explicit retention days', () => {
-  const expired = resolveExpiredLogFilenames([
-    'app-2026-04-14.log',
-    'app-2026-04-08.log',
-    'app-2026-04-07.log',
-  ], '2026-04-14', 7)
+  const expired = resolveExpiredLogFilenames(
+    ['app-2026-04-14.log', 'app-2026-04-08.log', 'app-2026-04-07.log'],
+    '2026-04-14',
+    7,
+  )
 
-  assert.deepEqual(expired, [
-    'app-2026-04-07.log',
-  ])
+  assert.deepEqual(expired, ['app-2026-04-07.log'])
 })
 
 test('formatLogTimestamp renders readable local timestamp with timezone offset', () => {
@@ -72,18 +76,21 @@ test('formatLogTimestamp renders readable local timestamp with timezone offset',
 })
 
 test('formatLogEntry prints readable one-line output for flat details', () => {
-  const text = formatLogEntry({
-    time: '2026-04-14T10:36:24.974Z',
-    level: 'info',
-    scope: '[http/access]',
-    message: 'request completed',
-    pid: 4671,
-    detail: {
-      requestId: 'req-123',
-      method: 'GET',
-      statusCode: 401,
+  const text = formatLogEntry(
+    {
+      time: '2026-04-14T10:36:24.974Z',
+      level: 'info',
+      scope: '[http/access]',
+      message: 'request completed',
+      pid: 4671,
+      detail: {
+        requestId: 'req-123',
+        method: 'GET',
+        statusCode: 401,
+      },
     },
-  }, { color: false })
+    { color: false },
+  )
 
   assert.match(text, /INFO\s+\[http\/access\] request completed/)
   assert.match(text, /pid=4671/)
@@ -94,21 +101,24 @@ test('formatLogEntry prints readable one-line output for flat details', () => {
 })
 
 test('formatLogEntry prints nested detail blocks without ansi colors in file mode', () => {
-  const text = formatLogEntry({
-    time: '2026-04-14T10:36:24.974Z',
-    level: 'warn',
-    scope: '[admin/auth]',
-    message: '后台鉴权失败',
-    pid: 4671,
-    detail: {
-      statusCode: 401,
-      errorCode: 'admin_auth_required',
-      error: {
-        message: '未登录或登录已失效',
-        stack: 'Error: test',
+  const text = formatLogEntry(
+    {
+      time: '2026-04-14T10:36:24.974Z',
+      level: 'warn',
+      scope: '[admin/auth]',
+      message: '后台鉴权失败',
+      pid: 4671,
+      detail: {
+        statusCode: 401,
+        errorCode: 'admin_auth_required',
+        error: {
+          message: '未登录或登录已失效',
+          stack: 'Error: test',
+        },
       },
     },
-  }, { color: false })
+    { color: false },
+  )
 
   assert.match(text, /WARN\s+\[admin\/auth\] 后台鉴权失败/)
   assert.match(text, /statusCode=401/)
@@ -119,24 +129,38 @@ test('formatLogEntry prints nested detail blocks without ansi colors in file mod
 })
 
 test('formatLogEntry masks sensitive fields in inline and nested details', () => {
-  const text = formatLogEntry({
-    time: '2026-04-14T10:36:24.974Z',
-    level: 'info',
-    scope: '[security]',
-    message: 'masked',
-    pid: 4671,
-    detail: {
-      token: 'abcdef1234567890',
-      authorization: 'Bearer abcdef1234567890',
-      nested: {
-        cookie: 'sessionid=abcdef1234567890',
-        note: 'password=super-secret-value',
+  const text = formatLogEntry(
+    {
+      time: '2026-04-14T10:36:24.974Z',
+      level: 'info',
+      scope: '[security]',
+      message: 'masked',
+      pid: 4671,
+      detail: {
+        token: 'abcdef1234567890',
+        authorization: 'Bearer abcdef1234567890',
+        sign: '0123456789abcdef',
+        jumpLink:
+          'https://feifei.example.com/h5/bind?code=very-secret-code&token=very-secret-token',
+        rawText:
+          '{"token":"raw-json-token","sign":"raw-json-sign","h5":{"recharge_url":"https://feifei.example.com/h5/bind?code=raw-secret-code"}}',
+        nested: {
+          cookie: 'sessionid=abcdef1234567890',
+          note: 'password=super-secret-value',
+        },
       },
     },
-  }, { color: false })
+    { color: false },
+  )
 
   assert.doesNotMatch(text, /abcdef1234567890/)
   assert.doesNotMatch(text, /super-secret-value/)
+  assert.doesNotMatch(text, /0123456789abcdef/)
+  assert.doesNotMatch(text, /very-secret-code/)
+  assert.doesNotMatch(text, /very-secret-token/)
+  assert.doesNotMatch(text, /raw-json-token/)
+  assert.doesNotMatch(text, /raw-json-sign/)
+  assert.doesNotMatch(text, /raw-secret-code/)
   assert.match(text, /abcdef\*\*\*\*567890/)
   assert.match(text, /Bearer\*\*\*\*567890/)
   assert.match(text, /password=super-\*\*\*\*-value/)
diff --git a/apps/backend/src/utils/logger.ts b/apps/backend/src/utils/logger.ts
index f85f9a3a..b0ceb911 100644
--- a/apps/backend/src/utils/logger.ts
+++ b/apps/backend/src/utils/logger.ts
@@ -11,6 +11,7 @@ type LogLevel = 'debug' | 'info' | 'warn' | 'error'
 type LogChannel = 'app' | 'integration'
 type LogDetail = unknown
 type InlineFields = Record<string, string | number | boolean | null | undefined>
+type ExternalHttpPacketDetail = Record<string, unknown>
 type LogEntry = {
   time: string
   level: LogLevel
@@ -51,7 +52,12 @@ const ACTIVE_LOG_LEVEL = normalizeLogLevel(runtimeConfig.logging?.level)
 const DEFAULT_LOG_RETENTION_DAYS = 30
 const LOG_RETENTION_DAYS = normalizeLogRetentionDays(runtimeConfig.logging?.retentionDays)
 const LEGACY_LOG_FILES = new Set(['app.log', 'integration.log'])
-const SENSITIVE_KEY_PATTERN = /token|secret|password|passwd|pwd|cookie|authorization|credential|card|cards|cardno|cardpwd|apikey|api_key|devicekey|session/i
+const SENSITIVE_KEY_PATTERN =
+  /token|secret|password|passwd|pwd|cookie|authorization|credential|card|cards|cardno|cardpwd|apikey|api_key|devicekey|session|x-sign|(?:^|[_-])sign(?:ature)?(?:[_-]|$)/i
+const SENSITIVE_URL_PARAM_PATTERN =
+  /([?&](?:token|secret|password|passwd|pwd|cookie|authorization|api[_-]?key|device[_-]?key|sign|signature|code)=)([^&\s,;"']+)/gi
+const SENSITIVE_JSON_FIELD_PATTERN =
+  /("(?:token|secret|password|passwd|pwd|cookie|authorization|credential|card|cards|cardNo|cardPwd|apiKey|api_key|deviceKey|device_key|session|x-sign|sign|signature)"\s*:\s*")([^"]*)(")/gi
 const MAX_SANITIZE_DEPTH = 8
 
 let writeQueue = Promise.resolve()
@@ -86,6 +92,15 @@ export function logIntegration(
   return writeLog(level, scope, message, detail, { channel: 'integration' })
 }
 
+export function logExternalHttpPacket(
+  scope: unknown,
+  message: unknown,
+  detail: ExternalHttpPacketDetail = {},
+  { level = 'info' }: { level?: LogLevel } = {},
+) {
+  return logIntegration(scope, message, normalizeExternalHttpPacketDetail(detail), { level })
+}
+
 function writeLog(
   level: LogLevel,
   scope: unknown,
@@ -147,18 +162,26 @@ function resolveConsoleMethod(level: unknown) {
 }
 
 export function normalizeLogLevel(level: unknown): LogLevel {
-  const normalized = String(level || '').trim().toLowerCase()
+  const normalized = String(level || '')
+    .trim()
+    .toLowerCase()
   return isLogLevel(normalized) ? normalized : 'info'
 }
 
-export function shouldWriteLog(level: unknown, configuredLevel: unknown = ACTIVE_LOG_LEVEL): boolean {
+export function shouldWriteLog(
+  level: unknown,
+  configuredLevel: unknown = ACTIVE_LOG_LEVEL,
+): boolean {
   const normalizedLevel = normalizeLogLevel(level)
   const normalizedConfigured = normalizeLogLevel(configuredLevel)
 
   return LOG_LEVEL_PRIORITY[normalizedLevel] >= LOG_LEVEL_PRIORITY[normalizedConfigured]
 }
 
-export function formatLogEntry(entry: Partial<LogEntry>, { color = false }: { color?: boolean } = {}): string {
+export function formatLogEntry(
+  entry: Partial<LogEntry>,
+  { color = false }: { color?: boolean } = {},
+): string {
   const normalizedEntry = {
     time: String(entry?.time || new Date().toISOString()),
     level: normalizeLogLevel(entry?.level),
@@ -168,7 +191,11 @@ export function formatLogEntry(entry: Partial<LogEntry>, { color = false }: { co
     detail: sanitizeLogValue(entry?.detail),
   }
   const timestamp = colorize(formatLogTimestamp(normalizedEntry.time), ANSI.gray, color)
-  const level = colorize(LEVEL_LABELS[normalizedEntry.level], resolveLevelColor(normalizedEntry.level), color)
+  const level = colorize(
+    LEVEL_LABELS[normalizedEntry.level],
+    resolveLevelColor(normalizedEntry.level),
+    color,
+  )
   const scope = colorize(normalizedEntry.scope, ANSI.cyan, color)
   const message = colorize(normalizedEntry.message, ANSI.bold, color)
   const separator = colorize('|', ANSI.dim, color)
@@ -177,7 +204,9 @@ export function formatLogEntry(entry: Partial<LogEntry>, { color = false }: { co
     pid: normalizedEntry.pid,
     ...inline,
   })
-  const firstLine = [timestamp, level, scope, message, separator, inlineFields].filter(Boolean).join(' ')
+  const firstLine = [timestamp, level, scope, message, separator, inlineFields]
+    .filter(Boolean)
+    .join(' ')
 
   if (!block) {
     return firstLine
@@ -207,8 +236,9 @@ export function resolveExpiredLogFilenames(
   const normalizedRetentionDays = normalizeLogRetentionDays(retentionDays)
   const cutoffDateKey = toDateKey(offsetDate(referenceTime, -(normalizedRetentionDays - 1)))
 
-  return (Array.isArray(fileNames) ? fileNames : [])
-    .filter((fileName) => shouldDeleteLogFileByDate(fileName, cutoffDateKey))
+  return (Array.isArray(fileNames) ? fileNames : []).filter((fileName) =>
+    shouldDeleteLogFileByDate(fileName, cutoffDateKey),
+  )
 }
 
 export function formatLogTimestamp(value: unknown): string {
@@ -232,27 +262,29 @@ function normalizeLogValue(value: unknown): unknown {
   }
 
   try {
-    return sanitizeLogValue(JSON.parse(
-      JSON.stringify(value, (_key, current) => {
-        if (current instanceof Error) {
-          const currentError = current as Error & HttpErrorLike
-          return {
-            name: current.name,
-            message: sanitizeLogString(current.message),
-            stack: sanitizeLogString(current.stack),
-            statusCode: currentError.statusCode,
-            errorCode: currentError.errorCode,
-            context: sanitizeLogValue(currentError.context),
+    return sanitizeLogValue(
+      JSON.parse(
+        JSON.stringify(value, (_key, current) => {
+          if (current instanceof Error) {
+            const currentError = current as Error & HttpErrorLike
+            return {
+              name: current.name,
+              message: sanitizeLogString(current.message),
+              stack: sanitizeLogString(current.stack),
+              statusCode: currentError.statusCode,
+              errorCode: currentError.errorCode,
+              context: sanitizeLogValue(currentError.context),
+            }
           }
-        }
 
-        if (typeof current === 'bigint') {
-          return String(current)
-        }
+          if (typeof current === 'bigint') {
+            return String(current)
+          }
 
-        return current
-      }),
-    ))
+          return current
+        }),
+      ),
+    )
   } catch {
     return sanitizeLogString(String(value))
   }
@@ -305,7 +337,18 @@ function sanitizeLogValue(value: unknown, key = '', depth = 0): unknown {
 
 function sanitizeLogString(value: unknown): string {
   return String(value || '')
-    .replace(/(Bearer\s+)([A-Za-z0-9._~+/=-]+)/gi, (_matched, prefix, secret) => `${prefix}${maskSecret(secret)}`)
+    .replace(
+      /(Bearer\s+)([A-Za-z0-9._~+/=-]+)/gi,
+      (_matched, prefix, secret) => `${prefix}${maskSecret(secret)}`,
+    )
+    .replace(
+      SENSITIVE_URL_PARAM_PATTERN,
+      (_matched, prefix, secret) => `${prefix}${maskSecret(secret)}`,
+    )
+    .replace(
+      SENSITIVE_JSON_FIELD_PATTERN,
+      (_matched, prefix, secret, suffix) => `${prefix}${maskSecret(secret)}${suffix}`,
+    )
     .replace(
       /\b((?:token|secret|password|passwd|pwd|cookie|authorization|api[_-]?key|device[_-]?key)=)([^&\s,;]+)/gi,
       (_matched, prefix, secret) => `${prefix}${maskSecret(secret)}`,
@@ -316,7 +359,61 @@ function isSensitiveLogKey(key: unknown): boolean {
   return SENSITIVE_KEY_PATTERN.test(String(key || '').trim())
 }
 
-function splitDetailPayload(detail: unknown): { inline: InlineFields, block: unknown | null } {
+function normalizeExternalHttpPacketDetail(
+  detail: ExternalHttpPacketDetail,
+): ExternalHttpPacketDetail {
+  const source = detail && typeof detail === 'object' && !Array.isArray(detail) ? detail : {}
+  const normalized: ExternalHttpPacketDetail = {}
+
+  for (const [key, value] of Object.entries(source)) {
+    normalized[key] = normalizeExternalPacketValue(value)
+  }
+
+  return normalized
+}
+
+function normalizeExternalPacketValue(value: unknown): unknown {
+  if (typeof value === 'undefined' || value === null) {
+    return value
+  }
+
+  if (value instanceof Error) {
+    const currentError = value as Error & HttpErrorLike
+    return {
+      name: value.name,
+      message: value.message,
+      stack: value.stack,
+      statusCode: currentError.statusCode,
+      errorCode: currentError.errorCode,
+      context: normalizeExternalPacketValue(currentError.context),
+    }
+  }
+
+  if (typeof value === 'string') {
+    return value
+  }
+
+  if (typeof value === 'number' || typeof value === 'boolean' || typeof value === 'bigint') {
+    return value
+  }
+
+  if (Array.isArray(value)) {
+    return value.map((item) => normalizeExternalPacketValue(item))
+  }
+
+  if (value && typeof value === 'object') {
+    return Object.fromEntries(
+      Object.entries(value).map(([key, currentValue]) => [
+        key,
+        normalizeExternalPacketValue(currentValue),
+      ]),
+    )
+  }
+
+  return String(value)
+}
+
+function splitDetailPayload(detail: unknown): { inline: InlineFields; block: unknown | null } {
   if (typeof detail === 'undefined') {
     return {
       inline: {},
@@ -446,7 +543,9 @@ async function cleanupExpiredLogsIfNeeded(dateKey: string): Promise<void> {
   try {
     const fileNames = await fs.readdir(LOG_DIR)
     const expired = resolveExpiredLogFilenames(fileNames, dateKey, LOG_RETENTION_DAYS)
-    await Promise.all(expired.map((fileName) => fs.rm(path.join(LOG_DIR, fileName), { force: true })))
+    await Promise.all(
+      expired.map((fileName) => fs.rm(path.join(LOG_DIR, fileName), { force: true })),
+    )
   } catch (error) {
     const reason = error instanceof Error ? error.message : String(error || '未知错误')
     console.error('[logger] failed to cleanup old log files:', reason)