diff --git a/README.md b/README.md
index c5c8df4..6ba1eac 100644
--- a/README.md
+++ b/README.md
@@ -43,6 +43,7 @@ npm run dev
 - 用户管理后台已接入，页面为 `http://localhost:5173/admin/users`，支持冻结和解冻用户。
 - 订单管理后台已接入，页面为 `http://localhost:5173/admin/orders`，支持查看全量订单和交接记录。
 - 商品审核后台已接入，页面为 `http://localhost:5173/admin/listings/review`。
+- 审计日志后台已接入，页面为 `http://localhost:5173/admin/audit-logs`，支持查看高风险操作明细。
 
 ## 文档
 
diff --git a/backend/internal/modules/adminaudit/dto.go b/backend/internal/modules/adminaudit/dto.go
new file mode 100644
index 0000000..f6dfafb
--- /dev/null
+++ b/backend/internal/modules/adminaudit/dto.go
@@ -0,0 +1,29 @@
+package adminaudit
+
+import (
+	"time"
+
+	"gorm.io/datatypes"
+)
+
+type Query struct {
+	ActorID uint64
+	Action  string
+	BizType string
+	Limit   int
+}
+
+type LogDTO struct {
+	ID            uint64         `json:"id"`
+	ActorType     string         `json:"actor_type"`
+	ActorID       uint64         `json:"actor_id"`
+	ActorUsername string         `json:"actor_username"`
+	ActorNickname string         `json:"actor_nickname"`
+	Action        string         `json:"action"`
+	BizType       string         `json:"biz_type"`
+	BizID         *uint64        `json:"biz_id"`
+	IP            string         `json:"ip"`
+	UserAgent     string         `json:"user_agent"`
+	Detail        datatypes.JSON `json:"detail"`
+	CreatedAt     time.Time      `json:"created_at"`
+}
diff --git a/backend/internal/modules/adminaudit/handler.go b/backend/internal/modules/adminaudit/handler.go
new file mode 100644
index 0000000..ecba3a5
--- /dev/null
+++ b/backend/internal/modules/adminaudit/handler.go
@@ -0,0 +1,64 @@
+package adminaudit
+
+import (
+	"errors"
+	"net/http"
+	"strconv"
+
+	"hfb_sys/backend/pkg/response"
+
+	"github.com/gin-gonic/gin"
+)
+
+type Handler struct {
+	service *Service
+}
+
+func NewHandler(service *Service) *Handler {
+	return &Handler{service: service}
+}
+
+func (h *Handler) List(c *gin.Context) {
+	query, ok := parseQuery(c)
+	if !ok {
+		return
+	}
+	items, err := h.service.List(query)
+	if err != nil {
+		writeAuditError(c, err)
+		return
+	}
+	response.OK(c, gin.H{"items": items})
+}
+
+func parseQuery(c *gin.Context) (Query, bool) {
+	var query Query
+	if raw := c.Query("actor_id"); raw != "" {
+		value, err := strconv.ParseUint(raw, 10, 64)
+		if err != nil || value == 0 {
+			response.BadRequest(c, "管理员 ID 不正确")
+			return query, false
+		}
+		query.ActorID = value
+	}
+	if raw := c.Query("limit"); raw != "" {
+		value, err := strconv.Atoi(raw)
+		if err != nil || value <= 0 {
+			response.BadRequest(c, "查询条数不正确")
+			return query, false
+		}
+		query.Limit = value
+	}
+	query.Action = c.Query("action")
+	query.BizType = c.Query("biz_type")
+	return query, true
+}
+
+func writeAuditError(c *gin.Context, err error) {
+	switch {
+	case errors.Is(err, ErrDependencyUnavailable):
+		response.ServiceUnavailable(c, "数据库未连接")
+	default:
+		response.Error(c, http.StatusInternalServerError, "internal_error", "审计日志服务暂时不可用")
+	}
+}
diff --git a/backend/internal/modules/adminaudit/repository.go b/backend/internal/modules/adminaudit/repository.go
new file mode 100644
index 0000000..9ff8c11
--- /dev/null
+++ b/backend/internal/modules/adminaudit/repository.go
@@ -0,0 +1,81 @@
+package adminaudit
+
+import (
+	"time"
+
+	"gorm.io/datatypes"
+	"gorm.io/gorm"
+)
+
+type Repository struct {
+	db *gorm.DB
+}
+
+func NewRepository(db *gorm.DB) *Repository {
+	return &Repository{db: db}
+}
+
+func (r *Repository) List(query Query) ([]LogDTO, error) {
+	limit := query.Limit
+	if limit <= 0 || limit > 500 {
+		limit = 200
+	}
+
+	db := r.db.Table("audit_logs AS al").
+		Select(`al.id, al.actor_type, al.actor_id, COALESCE(au.username, '') AS actor_username,
+			COALESCE(au.nickname, '') AS actor_nickname, al.action, al.biz_type, al.biz_id,
+			al.ip, al.user_agent, al.detail, al.created_at`).
+		Joins("LEFT JOIN admin_users AS au ON au.id = al.actor_id AND al.actor_type = ?", "admin")
+
+	if query.ActorID > 0 {
+		db = db.Where("al.actor_id = ?", query.ActorID)
+	}
+	if query.Action != "" {
+		db = db.Where("al.action = ?", query.Action)
+	}
+	if query.BizType != "" {
+		db = db.Where("al.biz_type = ?", query.BizType)
+	}
+
+	var rows []auditLogRow
+	if err := db.Order("al.id DESC").Limit(limit).Scan(&rows).Error; err != nil {
+		return nil, err
+	}
+	items := make([]LogDTO, 0, len(rows))
+	for _, row := range rows {
+		items = append(items, row.toDTO())
+	}
+	return items, nil
+}
+
+type auditLogRow struct {
+	ID            uint64
+	ActorType     string
+	ActorID       uint64
+	ActorUsername string
+	ActorNickname string
+	Action        string
+	BizType       string
+	BizID         *uint64
+	IP            string
+	UserAgent     string
+	Detail        datatypes.JSON
+	CreatedAt     time.Time
+}
+
+func (row auditLogRow) toDTO() LogDTO {
+	return LogDTO{
+		ID:            row.ID,
+		ActorType:     row.ActorType,
+		ActorID:       row.ActorID,
+		ActorUsername: row.ActorUsername,
+		ActorNickname: row.ActorNickname,
+		Action:        row.Action,
+		BizType:       row.BizType,
+		BizID:         row.BizID,
+		IP:            row.IP,
+		UserAgent:     row.UserAgent,
+		Detail:        row.Detail,
+		CreatedAt:     row.CreatedAt,
+	}
+}
diff --git a/backend/internal/modules/adminaudit/service.go b/backend/internal/modules/adminaudit/service.go
new file mode 100644
index 0000000..2f51af4
--- /dev/null
+++ b/backend/internal/modules/adminaudit/service.go
@@ -0,0 +1,20 @@
+package adminaudit
+
+import "errors"
+
+var ErrDependencyUnavailable = errors.New("dependency unavailable")
+
+type Service struct {
+	repo *Repository
+}
+
+func NewService(repo *Repository) *Service {
+	return &Service{repo: repo}
+}
+
+func (s *Service) List(query Query) ([]LogDTO, error) {
+	if s.repo == nil {
+		return nil, ErrDependencyUnavailable
+	}
+	return s.repo.List(query)
+}
diff --git a/backend/internal/router/router.go b/backend/internal/router/router.go
index cb3c3f9..6fc3b7e 100644
--- a/backend/internal/router/router.go
+++ b/backend/internal/router/router.go
@@ -4,6 +4,7 @@ import (
 	"hfb_sys/backend/internal/config"
 	"hfb_sys/backend/internal/handler"
 	"hfb_sys/backend/internal/middleware"
+	"hfb_sys/backend/internal/modules/adminaudit"
 	"hfb_sys/backend/internal/modules/adminauth"
 	"hfb_sys/backend/internal/modules/admindashboard"
 	"hfb_sys/backend/internal/modules/adminuser"
@@ -58,6 +59,12 @@ func New(cfg config.Config, deps Dependencies, logger *zap.Logger) *gin.Engine {
 	}
 	adminUserService := adminuser.NewService(adminUserRepo)
 	adminUserHandler := adminuser.NewHandler(adminUserService)
+	var adminAuditRepo *adminaudit.Repository
+	if deps.DB != nil {
+		adminAuditRepo = adminaudit.NewRepository(deps.DB)
+	}
+	adminAuditService := adminaudit.NewService(adminAuditRepo)
+	adminAuditHandler := adminaudit.NewHandler(adminAuditService)
 	userHandler := user.NewHandler(userRepo)
 	var realnameRepo *realname.Repository
 	if deps.DB != nil {
@@ -198,6 +205,7 @@ func New(cfg config.Config, deps Dependencies, logger *zap.Logger) *gin.Engine {
 			adminRoutes.GET("/wallet/ledger", walletHandler.AdminLedger)
 			adminRoutes.GET("/system-configs", systemConfigHandler.List)
 			adminRoutes.PUT("/system-configs/:key", systemConfigHandler.Update)
+			adminRoutes.GET("/audit-logs", adminAuditHandler.List)
 		}
 	}
 
diff --git a/docs/api.md b/docs/api.md
index 07f6f6e..6c61ba4 100644
--- a/docs/api.md
+++ b/docs/api.md
@@ -65,5 +65,6 @@ API 规划以 [项目计划](project-plan.md) 第 10 章为准。
 - `GET /api/admin/wallet/ledger`
 - `GET /api/admin/system-configs`
 - `PUT /api/admin/system-configs/{key}`
+- `GET /api/admin/audit-logs`
 
-说明：`GET /api/admin/wallet/ledger` 支持按 `user_id`、`order_id`、`biz_type` 和 `limit` 查询最近资金流水。`/api/admin/*` 当前已使用独立后台登录，后续接入 RBAC 和 Casbin 权限后再按角色收紧访问控制。
+说明：`GET /api/admin/wallet/ledger` 支持按 `user_id`、`order_id`、`biz_type` 和 `limit` 查询最近资金流水。`GET /api/admin/audit-logs` 支持按 `actor_id`、`action`、`biz_type` 和 `limit` 查询最近审计日志。`/api/admin/*` 当前已使用独立后台登录，后续接入 RBAC 和 Casbin 权限后再按角色收紧访问控制。
diff --git a/docs/business-rules.md b/docs/business-rules.md
index e790f55..49ff211 100644
--- a/docs/business-rules.md
+++ b/docs/business-rules.md
@@ -128,3 +128,10 @@
 - 后台可查看全量订单、租客、号主、订单状态、交接状态、结算状态、租金和押金。
 - 订单详情页 `/admin/orders/:id` 展示订单状态、双方用户、租期、交接记录和账号资产快照。
 - 当前后台订单管理先做只读能力，后续再补后台关闭订单、标记异常和客服介入操作。
+
+## 开发态审计日志
+
+- 审计日志接口为 `/api/admin/audit-logs`，前端页面为 `/admin/audit-logs`。
+- 当前可查看管理员、操作动作、业务类型、业务 ID、IP、User-Agent、操作明细和创建时间。
+- 当前已写入审计日志的动作包括系统配置创建/更新、用户冻结和用户解冻。
+- 审计日志只做追加和只读查询，不提供后台删除或修改入口。
diff --git a/frontend/src/api/adminAudit.ts b/frontend/src/api/adminAudit.ts
new file mode 100644
index 0000000..afd0551
--- /dev/null
+++ b/frontend/src/api/adminAudit.ts
@@ -0,0 +1,35 @@
+import { apiClient } from './client'
+
+export interface AdminAuditLog {
+  id: number
+  actor_type: string
+  actor_id: number
+  actor_username: string
+  actor_nickname: string
+  action: string
+  biz_type: string
+  biz_id?: number
+  ip: string
+  user_agent: string
+  detail?: Record<string, unknown> | null
+  created_at: string
+}
+
+export interface AdminAuditQuery {
+  actor_id?: string
+  action?: string
+  biz_type?: string
+  limit?: number
+}
+
+interface ApiResponse<T> {
+  code: string
+  message: string
+  data: T
+}
+
+export async function fetchAdminAuditLogs(query: AdminAuditQuery = {}) {
+  const params = Object.fromEntries(Object.entries(query).filter(([, value]) => value !== '' && value !== undefined))
+  const { data } = await apiClient.get<ApiResponse<{ items: AdminAuditLog[] }>>('/admin/audit-logs', { params })
+  return data.data.items
+}
diff --git a/frontend/src/layouts/AdminLayout.vue b/frontend/src/layouts/AdminLayout.vue
index 5b257c1..9b594db 100644
--- a/frontend/src/layouts/AdminLayout.vue
+++ b/frontend/src/layouts/AdminLayout.vue
@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import { DataLine, DocumentChecked, Operation, ScaleToOriginal, SwitchButton, Tickets, User, Wallet } from '@element-plus/icons-vue'
+import { DataLine, Document, DocumentChecked, Operation, ScaleToOriginal, SwitchButton, Tickets, User, Wallet } from '@element-plus/icons-vue'
 import { ElMessage } from 'element-plus'
 import { computed } from 'vue'
 import { useRouter } from 'vue-router'
@@ -18,6 +18,7 @@ const navItems = [
   { label: '仲裁中心', to: '/admin/disputes', icon: ScaleToOriginal },
   { label: '资金流水', to: '/admin/wallet-ledger', icon: Wallet },
   { label: '系统配置', to: '/admin/system-configs', icon: Operation },
+  { label: '审计日志', to: '/admin/audit-logs', icon: Document },
 ]
 
 const adminName = computed(() => adminSession.nickname || adminSession.username || '管理员')
diff --git a/frontend/src/router/index.ts b/frontend/src/router/index.ts
index bf1d59a..38a4764 100644
--- a/frontend/src/router/index.ts
+++ b/frontend/src/router/index.ts
@@ -67,6 +67,12 @@ const router = createRouter({
       component: () => import('@/views/admin/AdminSystemConfigsView.vue'),
       meta: { layout: 'admin', requiresAdmin: true },
     },
+    {
+      path: '/admin/audit-logs',
+      name: 'admin-audit-logs',
+      component: () => import('@/views/admin/AdminAuditLogsView.vue'),
+      meta: { layout: 'admin', requiresAdmin: true },
+    },
   ],
 })
 
diff --git a/frontend/src/views/admin/AdminAuditLogsView.vue b/frontend/src/views/admin/AdminAuditLogsView.vue
new file mode 100644
index 0000000..9a7e41e
--- /dev/null
+++ b/frontend/src/views/admin/AdminAuditLogsView.vue
@@ -0,0 +1,144 @@
+<script setup lang="ts">
+import { Search } from '@element-plus/icons-vue'
+import { computed, onMounted, reactive, ref } from 'vue'
+
+import { fetchAdminAuditLogs, type AdminAuditLog } from '@/api/adminAudit'
+
+const loading = ref(false)
+const logs = ref<AdminAuditLog[]>([])
+const activeLog = ref<AdminAuditLog | null>(null)
+const filters = reactive({
+  actor_id: '',
+  action: '',
+  biz_type: '',
+  limit: 200,
+})
+
+const highRiskCount = computed(() => logs.value.filter((item) => item.action.includes('freeze') || item.action.includes('update')).length)
+const uniqueActors = computed(() => new Set(logs.value.map((item) => item.actor_id)).size)
+
+onMounted(loadLogs)
+
+async function loadLogs() {
+  loading.value = true
+  try {
+    logs.value = await fetchAdminAuditLogs(filters)
+  } finally {
+    loading.value = false
+  }
+}
+
+function resetFilters() {
+  filters.actor_id = ''
+  filters.action = ''
+  filters.biz_type = ''
+  filters.limit = 200
+  void loadLogs()
+}
+
+function actorName(row: AdminAuditLog) {
+  return row.actor_nickname || row.actor_username || `${row.actor_type} ${row.actor_id}`
+}
+
+function detailText(row: AdminAuditLog | null) {
+  if (!row?.detail) return '{}'
+  return JSON.stringify(row.detail, null, 2)
+}
+
+function actionType(action: string) {
+  if (action.includes('freeze')) return 'danger'
+  if (action.includes('update') || action.includes('create')) return 'warning'
+  return 'info'
+}
+</script>
+
+<template>
+  <section class="page">
+    <div class="page-header-row">
+      <div class="page-header">
+        <p class="eyebrow">Audit Logs</p>
+        <h1>审计日志</h1>
+        <p>查看后台管理员操作、业务对象、来源 IP 和操作明细，用于追踪冻结、配置修改等高风险动作。</p>
+      </div>
+      <div class="toolbar-actions">
+        <el-button @click="resetFilters">重置</el-button>
+        <el-button type="primary" :icon="Search" :loading="loading" @click="loadLogs">查询</el-button>
+      </div>
+    </div>
+
+    <div class="metric-grid">
+      <div class="metric-card">
+        <span>当前结果</span>
+        <strong>{{ logs.length }} 条</strong>
+      </div>
+      <div class="metric-card">
+        <span>操作管理员</span>
+        <strong>{{ uniqueActors }} 人</strong>
+      </div>
+      <div class="metric-card">
+        <span>高风险动作</span>
+        <strong>{{ highRiskCount }} 条</strong>
+      </div>
+    </div>
+
+    <el-form class="filter-panel" label-position="top">
+      <el-form-item label="管理员 ID">
+        <el-input v-model="filters.actor_id" clearable placeholder="按管理员筛选" />
+      </el-form-item>
+      <el-form-item label="动作">
+        <el-select v-model="filters.action" clearable filterable placeholder="全部动作" class="full-control">
+          <el-option label="冻结用户" value="admin_user.freeze" />
+          <el-option label="解冻用户" value="admin_user.unfreeze" />
+          <el-option label="更新系统配置" value="system_config.update" />
+          <el-option label="创建系统配置" value="system_config.create" />
+        </el-select>
+      </el-form-item>
+      <el-form-item label="业务类型">
+        <el-select v-model="filters.biz_type" clearable placeholder="全部业务" class="full-control">
+          <el-option label="用户" value="user" />
+          <el-option label="系统配置" value="system_config" />
+        </el-select>
+      </el-form-item>
+      <el-form-item label="查询条数">
+        <el-input-number v-model="filters.limit" :min="20" :max="500" :step="20" class="full-control" />
+      </el-form-item>
+    </el-form>
+
+    <el-table v-loading="loading" class="table-panel" :data="logs">
+      <el-table-column prop="id" label="ID" width="90" />
+      <el-table-column label="管理员" min-width="160">
+        <template #default="{ row }">
+          <strong>{{ actorName(row) }}</strong>
+          <span class="table-subtext">{{ row.actor_type }} ID: {{ row.actor_id }}</span>
+        </template>
+      </el-table-column>
+      <el-table-column label="动作" min-width="180">
+        <template #default="{ row }">
+          <el-tag :type="actionType(row.action)">{{ row.action }}</el-tag>
+        </template>
+      </el-table-column>
+      <el-table-column prop="biz_type" label="业务类型" width="130" />
+      <el-table-column prop="biz_id" label="业务 ID" width="100" />
+      <el-table-column prop="ip" label="IP" min-width="130" />
+      <el-table-column prop="user_agent" label="User-Agent" min-width="240" show-overflow-tooltip />
+      <el-table-column prop="created_at" label="时间" min-width="180" />
+      <el-table-column label="操作" width="100">
+        <template #default="{ row }">
+          <el-button size="small" @click="activeLog = row">明细</el-button>
+        </template>
+      </el-table-column>
+    </el-table>
+
+    <el-dialog :model-value="!!activeLog" title="审计明细" width="720px" @update:model-value="activeLog = null">
+      <div v-if="activeLog" class="dialog-body">
+        <p><strong>{{ activeLog.action }}</strong> · {{ activeLog.biz_type }} #{{ activeLog.biz_id || '-' }}</p>
+        <div class="code-panel">
+          <pre>{{ detailText(activeLog) }}</pre>
+        </div>
+      </div>
+      <template #footer>
+        <el-button type="primary" @click="activeLog = null">关闭</el-button>
+      </template>
+    </el-dialog>
+  </section>
+</template>