diff --git a/CHANGELOG.md b/CHANGELOG.md
index ab1a291..84dac6d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,20 @@
 本文件的格式基于 [Keep a Changelog](https://keepachangelog.com/zh-CN/1.0.0/)，
 并且本项目遵循 [语义化版本 (Semantic Versioning)](https://semver.org/lang/zh-CN/spec/v2.0.0.html)。
  
-## [1.3.0] - 2026-01-15
+## [1.3.1] - 2026-01-16
+
+### 新增
+- **群聊绑定管理**: 增强了 Topic 与飞书群聊绑定的安全性与流程。
+    - **权限控制**: 仅 Topic 创建者或管理员允许执行群聊绑定/解绑操作。
+    - **审批流程**: 新增群聊绑定审批机制，非管理员/非信任用户的绑定请求需经过审批（`status` 追踪）。
+    - **管理员通知**: 引入 `admin-notifier.ts`，当有新的 Topic 或群聊绑定请求时，通过飞书卡片实时通知管理员。
+- **信任用户系统**: 引入 `isTrusted` 标志。
+    - 信任用户创建 Topic 或绑定群聊时将自动通过审批。
+    - 管理员由于其特殊权限，默认享受自动审批。
+
+### 变更
+- **数据库架构**: `topic_group_chats` 表新增了 `status` 和 `created_by` 字段，以支持审批流和权限校验。
+
 
 ### 新增
 - **视觉品牌**: 引入了自定义图标和 Favicon。
diff --git a/docs/copilot-context.md b/docs/copilot-context.md
index 23bf627..c2dd0c3 100644
--- a/docs/copilot-context.md
+++ b/docs/copilot-context.md
@@ -1,4 +1,4 @@
-# Project Context for GitHub Copilot (v1.2.8)
+# Project Context for GitHub Copilot (v1.3.1)
 
 This document provides technical context, architectural decisions, and code conventions for the **Alert Message Center** project. It is intended to help AI assistants understand the codebase.
 
@@ -63,6 +63,8 @@ The database schema is defined in `apps/server/src/db/schema.ts`.
     - `topicId`: Foreign Key -> `topics.id`.
     - `chatId`: The Feishu `chat_id`.
     - `name`: Group name (snapshot).
+    - `status`: `pending`, `approved`, or `rejected`.
+    - `createdBy`: Foreign Key -> `users.id`.
     - **Relationship**: Many-to-Many between Topics and Feishu Groups.
 
 5.  **Known Group Chat** (`known_group_chats`)
@@ -133,6 +135,9 @@ The database schema is defined in `apps/server/src/db/schema.ts`.
   - **Auto-Unbind**: All bindings in `topic_group_chats` for that `chat_id` are automatically deleted to ensure data consistency.
 - **Binding**: Users/Admins bind a Topic to a known Feishu Group in the UI.
   - **Security**: Only the Topic Creator or an Admin can bind/unbind groups to a Topic.
+  - **Approval**:
+    - Normal users: Binding status is `pending` upon creation. Admins receive notification.
+    - Admins/Trusted Users: Binding status is `approved` immediately.
 - **Dispatch**: Alerts for the topic are sent to all bound `chat_id`s in addition to individual subscribers.
 
 ### Long Connection (WebSocket)
@@ -148,6 +153,8 @@ The database schema is defined in `apps/server/src/db/schema.ts`.
   - Normal users: Topic status is `pending` upon creation. Admins receive an interactive Feishu notification.
   - Admins/Trusted Users: Topic status is `approved` immediately.
   - Admin notification logic is located in `apps/server/src/lib/admin-notifier.ts`.
+- **Trusted User System**:
+  - Users with `isTrusted=true` (set by Admin) or `isAdmin=true` have their requests (Topics/Bindings) automatically approved.
 
 
 ## 5. API Endpoints