diff --git a/docs/api.yaml b/docs/api.yaml
index 40e75f8..8973d6c 100644
--- a/docs/api.yaml
+++ b/docs/api.yaml
@@ -17,81 +17,83 @@ servers:
     description: relative server root
 
 tags:
-  - name: public/auth
+  - name: 公共端/认证
     description: 公开认证接口
-  - name: public/resource
+  - name: 公共端/套餐
     description: 公开套餐接口
-  - name: public/trade
+  - name: 公共端/交易
     description: 公开交易接口
-  - name: public/inquiry
+  - name: 公共端/咨询
     description: 公开咨询接口
-  - name: public/product
+  - name: 公共端/产品
     description: 公开产品接口
-  - name: client/verify
-    description: 客户端验证接口
-  - name: client/proxy
-    description: 客户端代理接口
-  - name: client/channel
-    description: 客户端通道接口
-  - name: client/article
-    description: 客户端文章接口
-  - name: user/user
+  - name: 机器端/验证
+    description: 机器端验证接口
+  - name: 机器端/代理
+    description: 机器端代理接口
+  - name: 机器端/通道
+    description: 机器端通道接口
+  - name: 机器端/文章
+    description: 机器端文章接口
+  - name: 用户端/用户资料
     description: 用户资料接口
-  - name: user/whitelist
+  - name: 用户端/白名单
     description: 用户白名单接口
-  - name: user/resource
+  - name: 用户端/套餐
     description: 用户套餐接口
-  - name: user/batch
+  - name: 用户端/批次
     description: 用户批次接口
-  - name: user/channel
+  - name: 用户端/通道
     description: 用户通道接口
-  - name: user/trade
+  - name: 用户端/交易
     description: 用户交易接口
-  - name: user/bill
+  - name: 用户端/账单
     description: 用户账单接口
-  - name: user/balance
+  - name: 用户端/余额变动
     description: 用户余额变动接口
-  - name: user/coupon-user
+  - name: 用户端/已发放优惠券
     description: 用户已发放优惠券接口
-  - name: user/announcement
+  - name: 用户端/公告
     description: 用户公告接口
-  - name: user/verify
+  - name: 用户端/验证
     description: 用户验证接口
-  - name: admin/admin
+  - name: 管理端/管理员
     description: 管理员管理接口
-  - name: admin/admin-role
+  - name: 管理端/首页
+    description: 后台首页统计接口
+  - name: 管理端/管理员角色
     description: 管理员角色接口
-  - name: admin/permission
+  - name: 管理端/权限
     description: 权限接口
-  - name: admin/user
+  - name: 管理端/用户
     description: 后台用户接口
-  - name: admin/resource
+  - name: 管理端/套餐
     description: 后台套餐接口
-  - name: admin/batch
+  - name: 管理端/批次
     description: 后台批次接口
-  - name: admin/channel
+  - name: 管理端/通道
     description: 后台通道接口
-  - name: admin/proxy
+  - name: 管理端/代理
     description: 后台代理接口
-  - name: admin/trade
+  - name: 管理端/交易
     description: 后台交易接口
-  - name: admin/bill
+  - name: 管理端/账单
     description: 后台账单接口
-  - name: admin/balance-activity
+  - name: 管理端/余额变动
     description: 后台余额变动接口
-  - name: admin/product
+  - name: 管理端/产品
     description: 后台产品接口
-  - name: admin/discount
+  - name: 管理端/折扣
     description: 后台折扣接口
-  - name: admin/coupon
+  - name: 管理端/优惠券
     description: 后台优惠券接口
-  - name: admin/coupon-user
+  - name: 管理端/已发放优惠券
     description: 后台已发放优惠券接口
-  - name: admin/article
+  - name: 管理端/文章
     description: 后台文章接口
-  - name: admin/article-group
+  - name: 管理端/文章分组
     description: 后台文章分组接口
-  - name: callback/identify
+  - name: 回调/实名认证
     description: 实名认证回调接口
 
 components:
@@ -1953,7 +1955,7 @@ components:
 
     GetArticleRequest:
       type: object
-      description: `id` 与 `code` 必须且只能提供一个。按 `id` 查询用于兼容旧文章链接，按 `code` 查询用于固定引用链接。
+      description: "`id` 与 `code` 必须且只能提供一个。按 `id` 查询用于兼容旧文章链接，按 `code` 查询用于固定引用链接"
       properties:
         id:
           type: integer
@@ -3539,10 +3541,119 @@ components:
           required:
             - list
 
+    HomeOverviewResponse:
+      type: object
+      description: 全平台后台首页概览数据，今日指标均按北京时间自然日统计。
+      properties:
+        pending_customer_count:
+          type: integer
+          format: int64
+          minimum: 0
+          description: 待分配客户数量，即尚未绑定管理员的客户数。
+        active_channel_count:
+          type: integer
+          format: int64
+          minimum: 0
+          description: 当前有效通道数量，即过期时间晚于当前时间的通道数。
+        today_trade_amount:
+          type: string
+          description: 今日交易金额，统计今日完成的成功订单，不扣除退款。
+          example: "1288.00"
+        today_extract_count:
+          type: integer
+          format: int64
+          minimum: 0
+          description: 今日提取总量。
+        today_new_customer_count:
+          type: integer
+          format: int64
+          minimum: 0
+          description: 今日新增客户数量。
+      required:
+        - pending_customer_count
+        - active_channel_count
+        - today_trade_amount
+        - today_extract_count
+        - today_new_customer_count
+
+    HomeTrendRequest:
+      type: object
+      properties:
+        date_start:
+          type: string
+          format: date
+          description: 开始日期（含），按北京时间解释。
+          example: "2026-06-01"
+        date_end:
+          type: string
+          format: date
+          description: 结束日期（含），按北京时间解释；日期范围最多 366 天。
+          example: "2026-06-30"
+      required:
+        - date_start
+        - date_end
+
+    HomeTrendItem:
+      type: object
+      properties:
+        date:
+          type: string
+          format: date
+          description: 北京时间自然日。
+        active_channel_count:
+          type: integer
+          format: int64
+          minimum: 0
+          description: 当日有效通道数；创建时间早于当日结束且过期时间不早于当日开始。
+        trade_amount:
+          type: string
+          description: 当日完成的成功订单金额，不扣除退款。
+          example: "1288.00"
+        new_customer_count:
+          type: integer
+          format: int64
+          minimum: 0
+          description: 当日新增客户数量。
+        extract_count:
+          type: integer
+          format: int64
+          minimum: 0
+          description: 当日提取总量。
+      required:
+        - date
+        - active_channel_count
+        - trade_amount
+        - new_customer_count
+        - extract_count
+
+    HomeTrendResponse:
+      type: array
+      description: 全平台每日趋势；包含日期范围内的每一个自然日，无数据的指标返回零值。
+      items:
+        $ref: "#/components/schemas/HomeTrendItem"
+
+    HomeExtractableResponse:
+      type: object
+      description: 全平台所有启用套餐当前可提取总量，长效和短效分别汇总，不区分计费模式。
+      properties:
+        short:
+          type: integer
+          format: int64
+          minimum: 0
+          description: 短效套餐可提取总量。
+        long:
+          type: integer
+          format: int64
+          minimum: 0
+          description: 长效套餐可提取总量。
+      required:
+        - short
+        - long
+
 paths:
   /api/auth/authorize:
     get:
-      tags: [public/auth]
+      tags: [公共端/认证]
       summary: 授权确认页占位接口
       description: 当前实现只校验参数与客户端，不返回确认页面内容。
       parameters:
@@ -3576,7 +3687,7 @@ paths:
         default:
           $ref: "#/components/responses/PlainTextError"
     post:
-      tags: [public/auth]
+      tags: [公共端/认证]
       summary: 提交授权确认占位接口
       description: 当前实现为占位逻辑。
       requestBody:
@@ -3593,7 +3704,7 @@ paths:
 
   /api/auth/token:
     post:
-      tags: [public/auth]
+      tags: [公共端/认证]
       summary: 获取访问令牌
       description: 支持 `authorization_code`、`client_credentials`、`refresh_token`、`password` 四种授权方式。
       requestBody:
@@ -3621,7 +3732,7 @@ paths:
 
   /api/auth/revoke:
     post:
-      tags: [public/auth]
+      tags: [公共端/认证]
       summary: 撤销令牌
       security:
         - bearerAuth: []
@@ -3639,7 +3750,7 @@ paths:
 
   /api/auth/introspect:
     post:
-      tags: [public/auth]
+      tags: [公共端/认证]
       summary: 获取当前登录态信息
       security:
         - bearerAuth: []
@@ -3657,7 +3768,7 @@ paths:
 
   /api/resource/price:
     post:
-      tags: [public/resource]
+      tags: [公共端/套餐]
       summary: 计算套餐价格
       description: 可匿名调用；如果携带用户 Bearer Token，则价格计算会带入用户折扣/优惠券上下文。
       security:
@@ -3681,7 +3792,7 @@ paths:
 
   /api/trade/check:
     get:
-      tags: [public/trade]
+      tags: [公共端/交易]
       summary: SSE 检查订单状态
       parameters:
         - name: trade_no
@@ -3709,7 +3820,7 @@ paths:
 
   /api/inquiry/create:
     post:
-      tags: [public/inquiry]
+      tags: [公共端/咨询]
       summary: 提交咨询
       requestBody:
         required: true
@@ -3725,7 +3836,7 @@ paths:
 
   /api/product/list:
     post:
-      tags: [public/product]
+      tags: [公共端/产品]
       summary: 获取在售产品列表
       responses:
         "200":
@@ -3741,7 +3852,7 @@ paths:
 
   /api/verify/sms:
     post:
-      tags: [client/verify]
+      tags: [机器端/验证]
       summary: 发送短信验证码
       description: 仅官方客户端可调用，可使用客户端 Basic 鉴权或客户端 Bearer 鉴权。
       security:
@@ -3763,7 +3874,7 @@ paths:
 
   /api/proxy/online:
     post:
-      tags: [client/proxy]
+      tags: [机器端/代理]
       summary: 代理上线报告
       description: 当前实现固定返回“接口暂不可用”。
       security:
@@ -3785,7 +3896,7 @@ paths:
 
   /api/proxy/offline:
     post:
-      tags: [client/proxy]
+      tags: [机器端/代理]
       summary: 代理下线报告
       description: 当前实现固定返回“接口暂不可用”。
       security:
@@ -3807,7 +3918,7 @@ paths:
 
   /api/proxy/update:
     post:
-      tags: [client/proxy]
+      tags: [机器端/代理]
       summary: 代理状态更新
       description: 当前实现固定返回“接口暂不可用”。
       security:
@@ -3829,7 +3940,7 @@ paths:
 
   /api/channel/remove:
     post:
-      tags: [client/channel]
+      tags: [机器端/通道]
       summary: 删除通道批次
       description: 仅官方客户端可调用。
       security:
@@ -3849,7 +3960,7 @@ paths:
 
   /api/article/nav:
     post:
-      tags: [client/article]
+      tags: [机器端/文章]
       summary: 获取文档导航
       description: 仅官方客户端可调用。
       security:
@@ -3869,7 +3980,7 @@ paths:
 
   /api/article/get:
     post:
-      tags: [client/article]
+      tags: [机器端/文章]
       summary: 获取文档详情
       description: 仅官方客户端可调用。支持按文章 ID 或编码查询，二者必须且只能提供一个。
       security:
@@ -3893,7 +4004,7 @@ paths:
 
   /api/user/update:
     post:
-      tags: [user/user]
+      tags: [用户端/用户资料]
       summary: 更新用户资料
       security:
         - bearerAuth: []
@@ -3911,7 +4022,7 @@ paths:
 
   /api/user/update/account:
     post:
-      tags: [user/user]
+      tags: [用户端/用户资料]
       summary: 更新用户名或密码
       security:
         - bearerAuth: []
@@ -3929,7 +4040,7 @@ paths:
 
   /api/user/update/password:
     post:
-      tags: [user/user]
+      tags: [用户端/用户资料]
       summary: 通过短信验证码修改密码
       security:
         - bearerAuth: []
@@ -3947,7 +4058,7 @@ paths:
 
   /api/user/identify:
     post:
-      tags: [user/user]
+      tags: [用户端/用户资料]
       summary: 发起实名认证
       security:
         - bearerAuth: []
@@ -3969,7 +4080,7 @@ paths:
 
   /api/whitelist/list:
     post:
-      tags: [user/whitelist]
+      tags: [用户端/白名单]
       summary: 获取当前用户白名单
       security:
         - bearerAuth: []
@@ -3990,7 +4101,7 @@ paths:
 
   /api/whitelist/create:
     post:
-      tags: [user/whitelist]
+      tags: [用户端/白名单]
       summary: 新建白名单
       security:
         - bearerAuth: []
@@ -4008,7 +4119,7 @@ paths:
 
   /api/whitelist/update:
     post:
-      tags: [user/whitelist]
+      tags: [用户端/白名单]
       summary: 更新白名单
       security:
         - bearerAuth: []
@@ -4026,7 +4137,7 @@ paths:
 
   /api/whitelist/remove:
     post:
-      tags: [user/whitelist]
+      tags: [用户端/白名单]
       summary: 批量删除白名单
       security:
         - bearerAuth: []
@@ -4046,7 +4157,7 @@ paths:
 
   /api/resource/all:
     post:
-      tags: [user/resource]
+      tags: [用户端/套餐]
       summary: 获取当前用户全部可用套餐
       security:
         - bearerAuth: []
@@ -4064,7 +4175,7 @@ paths:
 
   /api/resource/list:
     post:
-      tags: [user/resource]
+      tags: [用户端/套餐]
       summary: 分页查询当前用户长短效套餐
       security:
         - bearerAuth: []
@@ -4085,7 +4196,7 @@ paths:
 
   /api/resource/list/short:
     post:
-      tags: [user/resource]
+      tags: [用户端/套餐]
       summary: 分页查询当前用户短效套餐
       security:
         - bearerAuth: []
@@ -4106,7 +4217,7 @@ paths:
 
   /api/resource/list/long:
     post:
-      tags: [user/resource]
+      tags: [用户端/套餐]
       summary: 分页查询当前用户长效套餐
       security:
         - bearerAuth: []
@@ -4127,7 +4238,7 @@ paths:
 
   /api/resource/create:
     post:
-      tags: [user/resource]
+      tags: [用户端/套餐]
       summary: 使用余额购买套餐
       security:
         - bearerAuth: []
@@ -4145,7 +4256,7 @@ paths:
 
   /api/resource/update/checkip:
     post:
-      tags: [user/resource]
+      tags: [用户端/套餐]
       summary: 修改套餐 IP 校验开关
       security:
         - bearerAuth: []
@@ -4163,7 +4274,7 @@ paths:
 
   /api/resource/statistics/free:
     post:
-      tags: [user/resource]
+      tags: [用户端/套餐]
       summary: 统计当前用户每日可用额度
       security:
         - bearerAuth: []
@@ -4179,7 +4290,7 @@ paths:
 
   /api/resource/statistics/usage:
     post:
-      tags: [user/resource]
+      tags: [用户端/套餐]
       summary: 统计当前用户使用量
       security:
         - bearerAuth: []
@@ -4202,7 +4313,7 @@ paths:
 
   /api/batch/page:
     post:
-      tags: [user/batch]
+      tags: [用户端/批次]
       summary: 分页查询当前用户提取记录
       security:
         - bearerAuth: []
@@ -4223,7 +4334,7 @@ paths:
 
   /api/channel/list:
     post:
-      tags: [user/channel]
+      tags: [用户端/通道]
       summary: 分页查询当前用户通道
       security:
         - bearerAuth: []
@@ -4244,7 +4355,7 @@ paths:
 
   /api/channel/create:
     post:
-      tags: [user/channel]
+      tags: [用户端/通道]
       summary: 创建通道
       description: 当前实现不要求登录，但会校验套餐、实名认证和白名单条件。
       requestBody:
@@ -4267,7 +4378,7 @@ paths:
 
   /api/channel/create/v2:
     post:
-      tags: [user/channel]
+      tags: [用户端/通道]
       summary: 创建通道 v2
       description: 使用 `resource_no` 替代 `resource_id`。
       requestBody:
@@ -4290,7 +4401,7 @@ paths:
 
   /api/trade/create:
     post:
-      tags: [user/trade]
+      tags: [用户端/交易]
       summary: 创建订单
       security:
         - bearerAuth: []
@@ -4312,7 +4423,7 @@ paths:
 
   /api/trade/complete:
     post:
-      tags: [user/trade]
+      tags: [用户端/交易]
       summary: 完成订单
       security:
         - bearerAuth: []
@@ -4330,7 +4441,7 @@ paths:
 
   /api/trade/cancel:
     post:
-      tags: [user/trade]
+      tags: [用户端/交易]
       summary: 取消订单
       security:
         - bearerAuth: []
@@ -4348,7 +4459,7 @@ paths:
 
   /api/bill/list:
     post:
-      tags: [user/bill]
+      tags: [用户端/账单]
       summary: 分页查询当前用户账单
       security:
         - bearerAuth: []
@@ -4369,7 +4480,7 @@ paths:
 
   /api/balance/page:
     post:
-      tags: [user/balance]
+      tags: [用户端/余额变动]
       summary: 分页查询当前用户余额变动
       security:
         - bearerAuth: []
@@ -4390,7 +4501,7 @@ paths:
 
   /api/coupon-user/page:
     post:
-      tags: [user/coupon-user]
+      tags: [用户端/已发放优惠券]
       summary: 分页查询当前用户已发放优惠券
       security:
         - bearerAuth: []
@@ -4411,7 +4522,7 @@ paths:
 
   /api/coupon-user/get:
     post:
-      tags: [user/coupon-user]
+      tags: [用户端/已发放优惠券]
       summary: 获取当前用户优惠券详情
       security:
         - bearerAuth: []
@@ -4433,7 +4544,7 @@ paths:
 
   /api/announcement/list:
     post:
-      tags: [user/announcement]
+      tags: [用户端/公告]
       summary: 分页查询公告
       security:
         - bearerAuth: []
@@ -4454,7 +4565,7 @@ paths:
 
   /api/verify/sms/password:
     post:
-      tags: [user/verify]
+      tags: [用户端/验证]
       summary: 发送修改密码短信验证码
       security:
         - bearerAuth: []
@@ -4466,9 +4577,66 @@ paths:
         default:
           $ref: "#/components/responses/PlainTextError"
 
+  /api/admin/home/overview:
+    post:
+      tags: [管理端/首页]
+      summary: 获取后台首页概览统计
+      description: 返回全平台当前及今日概览；今日按北京时间自然日统计。
+      security:
+        - bearerAuth: []
+      responses:
+        "200":
+          description: 首页概览统计
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/HomeOverviewResponse"
+        default:
+          $ref: "#/components/responses/PlainTextError"
+
+  /api/admin/home/trend:
+    post:
+      tags: [管理端/首页]
+      summary: 获取后台首页每日趋势
+      description: 按前端传入的北京时间日期范围，返回全平台逐日统计数据；日期范围最多 366 天。
+      security:
+        - bearerAuth: []
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              $ref: "#/components/schemas/HomeTrendRequest"
+      responses:
+        "200":
+          description: 每日趋势统计
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/HomeTrendResponse"
+        default:
+          $ref: "#/components/responses/PlainTextError"
+
+  /api/admin/home/extractable:
+    post:
+      tags: [管理端/首页]
+      summary: 获取全平台可提取总量
+      description: 汇总所有启用套餐当前可提取总量，长效和短效分别返回，不区分计费模式。
+      security:
+        - bearerAuth: []
+      responses:
+        "200":
+          description: 全平台可提取总量
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/HomeExtractableResponse"
+        default:
+          $ref: "#/components/responses/PlainTextError"
+
   /api/admin/admin/all:
     post:
-      tags: [admin/admin]
+      tags: [管理端/管理员]
       summary: 获取管理员列表
       security:
         - bearerAuth: []
@@ -4486,7 +4654,7 @@ paths:
 
   /api/admin/admin/page:
     post:
-      tags: [admin/admin]
+      tags: [管理端/管理员]
       summary: 分页获取管理员
       security:
         - bearerAuth: []
@@ -4507,7 +4675,7 @@ paths:
 
   /api/admin/admin/create:
     post:
-      tags: [admin/admin]
+      tags: [管理端/管理员]
       summary: 创建管理员
       security:
         - bearerAuth: []
@@ -4525,7 +4693,7 @@ paths:
 
   /api/admin/admin/update:
     post:
-      tags: [admin/admin]
+      tags: [管理端/管理员]
       summary: 更新管理员
       security:
         - bearerAuth: []
@@ -4543,7 +4711,7 @@ paths:
 
   /api/admin/admin/remove:
     post:
-      tags: [admin/admin]
+      tags: [管理端/管理员]
       summary: 删除管理员
       security:
         - bearerAuth: []
@@ -4561,7 +4729,7 @@ paths:
 
   /api/admin/admin-role/list:
     post:
-      tags: [admin/admin-role]
+      tags: [管理端/管理员角色]
       summary: 获取管理员角色列表
       security:
         - bearerAuth: []
@@ -4579,7 +4747,7 @@ paths:
 
   /api/admin/admin-role/page:
     post:
-      tags: [admin/admin-role]
+      tags: [管理端/管理员角色]
       summary: 分页获取管理员角色
       security:
         - bearerAuth: []
@@ -4600,7 +4768,7 @@ paths:
 
   /api/admin/admin-role/create:
     post:
-      tags: [admin/admin-role]
+      tags: [管理端/管理员角色]
       summary: 创建管理员角色
       security:
         - bearerAuth: []
@@ -4618,7 +4786,7 @@ paths:
 
   /api/admin/admin-role/update:
     post:
-      tags: [admin/admin-role]
+      tags: [管理端/管理员角色]
       summary: 更新管理员角色
       security:
         - bearerAuth: []
@@ -4636,7 +4804,7 @@ paths:
 
   /api/admin/admin-role/remove:
     post:
-      tags: [admin/admin-role]
+      tags: [管理端/管理员角色]
       summary: 删除管理员角色
       security:
         - bearerAuth: []
@@ -4654,7 +4822,7 @@ paths:
 
   /api/admin/permission/list:
     post:
-      tags: [admin/permission]
+      tags: [管理端/权限]
       summary: 获取权限列表
       security:
         - bearerAuth: []
@@ -4672,7 +4840,7 @@ paths:
 
   /api/admin/permission/page:
     post:
-      tags: [admin/permission]
+      tags: [管理端/权限]
       summary: 分页获取权限
       security:
         - bearerAuth: []
@@ -4693,7 +4861,7 @@ paths:
 
   /api/admin/user/page:
     post:
-      tags: [admin/user]
+      tags: [管理端/用户]
       summary: 分页获取用户
       security:
         - bearerAuth: []
@@ -4714,7 +4882,7 @@ paths:
 
   /api/admin/user/page/not-bind:
     post:
-      tags: [admin/user]
+      tags: [管理端/用户]
       summary: 分页获取未绑定管理员的用户
       security:
         - bearerAuth: []
@@ -4735,7 +4903,7 @@ paths:
 
   /api/admin/user/get:
     post:
-      tags: [admin/user]
+      tags: [管理端/用户]
       summary: 获取单个用户
       security:
         - bearerAuth: []
@@ -4757,7 +4925,7 @@ paths:
 
   /api/admin/user/create:
     post:
-      tags: [admin/user]
+      tags: [管理端/用户]
       summary: 创建用户
       security:
         - bearerAuth: []
@@ -4775,7 +4943,7 @@ paths:
 
   /api/admin/user/update:
     post:
-      tags: [admin/user]
+      tags: [管理端/用户]
       summary: 更新用户
       security:
         - bearerAuth: []
@@ -4793,7 +4961,7 @@ paths:
 
   /api/admin/user/remove:
     post:
-      tags: [admin/user]
+      tags: [管理端/用户]
       summary: 删除用户
       security:
         - bearerAuth: []
@@ -4811,7 +4979,7 @@ paths:
 
   /api/admin/user/update/bind:
     post:
-      tags: [admin/user]
+      tags: [管理端/用户]
       summary: 认领用户
       security:
         - bearerAuth: []
@@ -4829,7 +4997,7 @@ paths:
 
   /api/admin/user/update/balance:
     post:
-      tags: [admin/user]
+      tags: [管理端/用户]
       summary: 直接设置用户余额
       security:
         - bearerAuth: []
@@ -4847,7 +5015,7 @@ paths:
 
   /api/admin/user/update/balance-inc:
     post:
-      tags: [admin/user]
+      tags: [管理端/用户]
       summary: 增加用户余额
       security:
         - bearerAuth: []
@@ -4865,7 +5033,7 @@ paths:
 
   /api/admin/user/update/balance-dec:
     post:
-      tags: [admin/user]
+      tags: [管理端/用户]
       summary: 减少用户余额
       security:
         - bearerAuth: []
@@ -4883,7 +5051,7 @@ paths:
 
   /api/admin/resource/page:
     post:
-      tags: [admin/resource]
+      tags: [管理端/套餐]
       summary: 分页查询全部长短效套餐
       security:
         - bearerAuth: []
@@ -4904,7 +5072,7 @@ paths:
 
   /api/admin/resource/page/of-user:
     post:
-      tags: [admin/resource]
+      tags: [管理端/套餐]
       summary: 分页查询指定用户长短效套餐
       security:
         - bearerAuth: []
@@ -4925,7 +5093,7 @@ paths:
 
   /api/admin/resource/short/page:
     post:
-      tags: [admin/resource]
+      tags: [管理端/套餐]
       summary: 分页查询全部短效套餐
       security:
         - bearerAuth: []
@@ -4946,7 +5114,7 @@ paths:
 
   /api/admin/resource/short/page/of-user:
     post:
-      tags: [admin/resource]
+      tags: [管理端/套餐]
       summary: 分页查询指定用户短效套餐
       security:
         - bearerAuth: []
@@ -4967,7 +5135,7 @@ paths:
 
   /api/admin/resource/long/page:
     post:
-      tags: [admin/resource]
+      tags: [管理端/套餐]
       summary: 分页查询全部长效套餐
       security:
         - bearerAuth: []
@@ -4988,7 +5156,7 @@ paths:
 
   /api/admin/resource/long/page/of-user:
     post:
-      tags: [admin/resource]
+      tags: [管理端/套餐]
       summary: 分页查询指定用户长效套餐
       security:
         - bearerAuth: []
@@ -5009,7 +5177,7 @@ paths:
 
   /api/admin/resource/update:
     post:
-      tags: [admin/resource]
+      tags: [管理端/套餐]
       summary: 更新套餐状态
       security:
         - bearerAuth: []
@@ -5027,7 +5195,7 @@ paths:
 
   /api/admin/batch/page:
     post:
-      tags: [admin/batch]
+      tags: [管理端/批次]
       summary: 分页查询全部提取记录
       security:
         - bearerAuth: []
@@ -5048,7 +5216,7 @@ paths:
 
   /api/admin/batch/page/of-user:
     post:
-      tags: [admin/batch]
+      tags: [管理端/批次]
       summary: 分页查询指定用户提取记录
       security:
         - bearerAuth: []
@@ -5069,7 +5237,7 @@ paths:
 
   /api/admin/channel/page:
     post:
-      tags: [admin/channel]
+      tags: [管理端/通道]
       summary: 分页查询全部通道
       security:
         - bearerAuth: []
@@ -5090,7 +5258,7 @@ paths:
 
   /api/admin/channel/page/of-user:
     post:
-      tags: [admin/channel]
+      tags: [管理端/通道]
       summary: 分页查询指定用户通道
       security:
         - bearerAuth: []
@@ -5111,7 +5279,7 @@ paths:
 
   /api/admin/channel/sync/clear-expired:
     post:
-      tags: [admin/channel]
+      tags: [管理端/通道]
       summary: 清理指定代理的过期通道
       security:
         - bearerAuth: []
@@ -5133,7 +5301,7 @@ paths:
 
   /api/admin/proxy/all:
     post:
-      tags: [admin/proxy]
+      tags: [管理端/代理]
       summary: 获取代理列表
       security:
         - bearerAuth: []
@@ -5151,7 +5319,7 @@ paths:
 
   /api/admin/proxy/page:
     post:
-      tags: [admin/proxy]
+      tags: [管理端/代理]
       summary: 分页获取代理
       security:
         - bearerAuth: []
@@ -5172,7 +5340,7 @@ paths:
 
   /api/admin/proxy/create:
     post:
-      tags: [admin/proxy]
+      tags: [管理端/代理]
       summary: 创建代理
       security:
         - bearerAuth: []
@@ -5190,7 +5358,7 @@ paths:
 
   /api/admin/proxy/update:
     post:
-      tags: [admin/proxy]
+      tags: [管理端/代理]
       summary: 更新代理
       security:
         - bearerAuth: []
@@ -5208,7 +5376,7 @@ paths:
 
   /api/admin/proxy/update/status:
     post:
-      tags: [admin/proxy]
+      tags: [管理端/代理]
       summary: 更新代理在线状态
       security:
         - bearerAuth: []
@@ -5226,7 +5394,7 @@ paths:
 
   /api/admin/proxy/sync/ports:
     post:
-      tags: [admin/proxy]
+      tags: [管理端/代理]
       summary: 重建端口池
       security:
         - bearerAuth: []
@@ -5244,7 +5412,7 @@ paths:
 
   /api/admin/proxy/sync/chains:
     post:
-      tags: [admin/proxy]
+      tags: [管理端/代理]
       summary: 重建代理链
       security:
         - bearerAuth: []
@@ -5262,7 +5430,7 @@ paths:
 
   /api/admin/proxy/remove:
     post:
-      tags: [admin/proxy]
+      tags: [管理端/代理]
       summary: 删除代理
       security:
         - bearerAuth: []
@@ -5280,7 +5448,7 @@ paths:
 
   /api/admin/trade/page:
     post:
-      tags: [admin/trade]
+      tags: [管理端/交易]
       summary: 分页查询全部订单
       security:
         - bearerAuth: []
@@ -5301,7 +5469,7 @@ paths:
 
   /api/admin/trade/page/of-user:
     post:
-      tags: [admin/trade]
+      tags: [管理端/交易]
       summary: 分页查询指定用户订单
       security:
         - bearerAuth: []
@@ -5322,7 +5490,7 @@ paths:
 
   /api/admin/trade/complete:
     post:
-      tags: [admin/trade]
+      tags: [管理端/交易]
       summary: 管理员完成订单
       security:
         - bearerAuth: []
@@ -5340,7 +5508,7 @@ paths:
 
   /api/admin/bill/page:
     post:
-      tags: [admin/bill]
+      tags: [管理端/账单]
       summary: 分页查询全部账单
       security:
         - bearerAuth: []
@@ -5361,7 +5529,7 @@ paths:
 
   /api/admin/bill/page/of-user:
     post:
-      tags: [admin/bill]
+      tags: [管理端/账单]
       summary: 分页查询指定用户账单
       security:
         - bearerAuth: []
@@ -5382,7 +5550,7 @@ paths:
 
   /api/admin/balance-activity/page:
     post:
-      tags: [admin/balance-activity]
+      tags: [管理端/余额变动]
       summary: 分页查询全部余额变动
       security:
         - bearerAuth: []
@@ -5403,7 +5571,7 @@ paths:
 
   /api/admin/balance-activity/page/of-user:
     post:
-      tags: [admin/balance-activity]
+      tags: [管理端/余额变动]
       summary: 分页查询指定用户余额变动
       security:
         - bearerAuth: []
@@ -5424,7 +5592,7 @@ paths:
 
   /api/admin/product/all:
     post:
-      tags: [admin/product]
+      tags: [管理端/产品]
       summary: 获取全部产品
       security:
         - bearerAuth: []
@@ -5442,7 +5610,7 @@ paths:
 
   /api/admin/product/create:
     post:
-      tags: [admin/product]
+      tags: [管理端/产品]
       summary: 创建产品
       security:
         - bearerAuth: []
@@ -5460,7 +5628,7 @@ paths:
 
   /api/admin/product/update:
     post:
-      tags: [admin/product]
+      tags: [管理端/产品]
       summary: 更新产品
       security:
         - bearerAuth: []
@@ -5478,7 +5646,7 @@ paths:
 
   /api/admin/product/remove:
     post:
-      tags: [admin/product]
+      tags: [管理端/产品]
       summary: 删除产品
       security:
         - bearerAuth: []
@@ -5496,7 +5664,7 @@ paths:
 
   /api/admin/product/sku/all:
     post:
-      tags: [admin/product]
+      tags: [管理端/产品]
       summary: 获取产品 SKU 列表
       security:
         - bearerAuth: []
@@ -5519,7 +5687,7 @@ paths:
 
   /api/admin/product/sku/page:
     post:
-      tags: [admin/product]
+      tags: [管理端/产品]
       summary: 分页获取产品 SKU
       security:
         - bearerAuth: []
@@ -5540,7 +5708,7 @@ paths:
 
   /api/admin/product/sku/create:
     post:
-      tags: [admin/product]
+      tags: [管理端/产品]
       summary: 创建产品 SKU
       security:
         - bearerAuth: []
@@ -5558,7 +5726,7 @@ paths:
 
   /api/admin/product/sku/update:
     post:
-      tags: [admin/product]
+      tags: [管理端/产品]
       summary: 更新产品 SKU
       security:
         - bearerAuth: []
@@ -5576,7 +5744,7 @@ paths:
 
   /api/admin/product/sku/update/status:
     post:
-      tags: [admin/product]
+      tags: [管理端/产品]
       summary: 更新产品 SKU 状态
       security:
         - bearerAuth: []
@@ -5594,7 +5762,7 @@ paths:
 
   /api/admin/product/sku/remove:
     post:
-      tags: [admin/product]
+      tags: [管理端/产品]
       summary: 删除产品 SKU
       security:
         - bearerAuth: []
@@ -5612,7 +5780,7 @@ paths:
 
   /api/admin/product/sku/update/discount/batch:
     post:
-      tags: [admin/product]
+      tags: [管理端/产品]
       summary: 批量更新产品 SKU 折扣
       security:
         - bearerAuth: []
@@ -5630,7 +5798,7 @@ paths:
 
   /api/admin/discount/all:
     post:
-      tags: [admin/discount]
+      tags: [管理端/折扣]
       summary: 获取折扣列表
       security:
         - bearerAuth: []
@@ -5648,7 +5816,7 @@ paths:
 
   /api/admin/discount/page:
     post:
-      tags: [admin/discount]
+      tags: [管理端/折扣]
       summary: 分页获取折扣
       security:
         - bearerAuth: []
@@ -5669,7 +5837,7 @@ paths:
 
   /api/admin/discount/create:
     post:
-      tags: [admin/discount]
+      tags: [管理端/折扣]
       summary: 创建折扣
       security:
         - bearerAuth: []
@@ -5687,7 +5855,7 @@ paths:
 
   /api/admin/discount/update:
     post:
-      tags: [admin/discount]
+      tags: [管理端/折扣]
       summary: 更新折扣
       security:
         - bearerAuth: []
@@ -5705,7 +5873,7 @@ paths:
 
   /api/admin/discount/remove:
     post:
-      tags: [admin/discount]
+      tags: [管理端/折扣]
       summary: 删除折扣
       security:
         - bearerAuth: []
@@ -5723,7 +5891,7 @@ paths:
 
   /api/admin/coupon/all:
     post:
-      tags: [admin/coupon]
+      tags: [管理端/优惠券]
       summary: 获取优惠券列表
       security:
         - bearerAuth: []
@@ -5741,7 +5909,7 @@ paths:
 
   /api/admin/coupon/page:
     post:
-      tags: [admin/coupon]
+      tags: [管理端/优惠券]
       summary: 分页获取优惠券
       security:
         - bearerAuth: []
@@ -5762,7 +5930,7 @@ paths:
 
   /api/admin/coupon/create:
     post:
-      tags: [admin/coupon]
+      tags: [管理端/优惠券]
       summary: 创建优惠券
       security:
         - bearerAuth: []
@@ -5780,7 +5948,7 @@ paths:
 
   /api/admin/coupon/update:
     post:
-      tags: [admin/coupon]
+      tags: [管理端/优惠券]
       summary: 更新优惠券
       security:
         - bearerAuth: []
@@ -5798,7 +5966,7 @@ paths:
 
   /api/admin/coupon/remove:
     post:
-      tags: [admin/coupon]
+      tags: [管理端/优惠券]
       summary: 删除优惠券
       security:
         - bearerAuth: []
@@ -5816,7 +5984,7 @@ paths:
 
   /api/admin/coupon/update/assign:
     post:
-      tags: [admin/coupon]
+      tags: [管理端/优惠券]
       summary: 发放优惠券给用户
       security:
         - bearerAuth: []
@@ -5834,7 +6002,7 @@ paths:
 
   /api/admin/coupon-user/page:
     post:
-      tags: [admin/coupon-user]
+      tags: [管理端/已发放优惠券]
       summary: 分页查询全部已发放优惠券
       security:
         - bearerAuth: []
@@ -5855,7 +6023,7 @@ paths:
 
   /api/admin/coupon-user/page/of-user:
     post:
-      tags: [admin/coupon-user]
+      tags: [管理端/已发放优惠券]
       summary: 分页查询指定用户已发放优惠券
       security:
         - bearerAuth: []
@@ -5876,7 +6044,7 @@ paths:
 
   /api/admin/coupon-user/get:
     post:
-      tags: [admin/coupon-user]
+      tags: [管理端/已发放优惠券]
       summary: 获取已发放优惠券详情
       security:
         - bearerAuth: []
@@ -5898,7 +6066,7 @@ paths:
 
   /api/admin/coupon-user/create:
     post:
-      tags: [admin/coupon-user]
+      tags: [管理端/已发放优惠券]
       summary: 手动创建已发放优惠券
       security:
         - bearerAuth: []
@@ -5916,7 +6084,7 @@ paths:
 
   /api/admin/coupon-user/update:
     post:
-      tags: [admin/coupon-user]
+      tags: [管理端/已发放优惠券]
       summary: 更新已发放优惠券
       security:
         - bearerAuth: []
@@ -5934,7 +6102,7 @@ paths:
 
   /api/admin/coupon-user/remove:
     post:
-      tags: [admin/coupon-user]
+      tags: [管理端/已发放优惠券]
       summary: 删除已发放优惠券
       security:
         - bearerAuth: []
@@ -5952,7 +6120,7 @@ paths:
 
   /api/admin/article/page:
     post:
-      tags: [admin/article]
+      tags: [管理端/文章]
       summary: 分页查询文章
       security:
         - bearerAuth: []
@@ -5973,7 +6141,7 @@ paths:
 
   /api/admin/article/get:
     post:
-      tags: [admin/article]
+      tags: [管理端/文章]
       summary: 获取文章详情
       security:
         - bearerAuth: []
@@ -5995,7 +6163,7 @@ paths:
 
   /api/admin/article/create:
     post:
-      tags: [admin/article]
+      tags: [管理端/文章]
       summary: 创建文章
       security:
         - bearerAuth: []
@@ -6013,7 +6181,7 @@ paths:
 
   /api/admin/article/update:
     post:
-      tags: [admin/article]
+      tags: [管理端/文章]
       summary: 更新文章
       security:
         - bearerAuth: []
@@ -6031,7 +6199,7 @@ paths:
 
   /api/admin/article/remove:
     post:
-      tags: [admin/article]
+      tags: [管理端/文章]
       summary: 删除文章
       security:
         - bearerAuth: []
@@ -6049,7 +6217,7 @@ paths:
 
   /api/admin/article/upload:
     post:
-      tags: [admin/article]
+      tags: [管理端/文章]
       summary: 上传文章图片
       security:
         - bearerAuth: []
@@ -6077,7 +6245,7 @@ paths:
 
   /api/admin/article-group/page:
     post:
-      tags: [admin/article-group]
+      tags: [管理端/文章分组]
       summary: 分页查询文章分组
       security:
         - bearerAuth: []
@@ -6098,7 +6266,7 @@ paths:
 
   /api/admin/article-group/list:
     post:
-      tags: [admin/article-group]
+      tags: [管理端/文章分组]
       summary: 获取文章分组列表
       security:
         - bearerAuth: []
@@ -6116,7 +6284,7 @@ paths:
 
   /api/admin/article-group/create:
     post:
-      tags: [admin/article-group]
+      tags: [管理端/文章分组]
       summary: 创建文章分组
       security:
         - bearerAuth: []
@@ -6134,7 +6302,7 @@ paths:
 
   /api/admin/article-group/update:
     post:
-      tags: [admin/article-group]
+      tags: [管理端/文章分组]
       summary: 更新文章分组
       security:
         - bearerAuth: []
@@ -6152,7 +6320,7 @@ paths:
 
   /api/admin/article-group/remove:
     post:
-      tags: [admin/article-group]
+      tags: [管理端/文章分组]
       summary: 删除文章分组
       security:
         - bearerAuth: []
@@ -6170,7 +6338,7 @@ paths:
 
   /callback/identify:
     get:
-      tags: [callback/identify]
+      tags: [回调/实名认证]
       summary: 实名认证回调
       parameters:
         - name: id
diff --git a/web/handlers/home.go b/web/handlers/home.go
new file mode 100644
index 0000000..3f0190a
--- /dev/null
+++ b/web/handlers/home.go
@@ -0,0 +1,56 @@
+package handlers
+
+import (
+	"platform/web/auth"
+	g "platform/web/globals"
+	s "platform/web/services"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+// HomeOverview 后台首页概览统计
+func HomeOverview(c *fiber.Ctx) error {
+	if _, err := auth.GetAuthCtx(c).PermitAdmin(); err != nil {
+		return err
+	}
+
+	resp, err := s.Home.Overview()
+	if err != nil {
+		return err
+	}
+
+	return c.JSON(resp)
+}
+
+// HomeTrend 后台首页每日趋势统计
+func HomeTrend(c *fiber.Ctx) error {
+	if _, err := auth.GetAuthCtx(c).PermitAdmin(); err != nil {
+		return err
+	}
+
+	var req s.HomeTrendReq
+	if err := g.Validator.ParseBody(c, &req); err != nil {
+		return err
+	}
+
+	resp, err := s.Home.Trend(req)
+	if err != nil {
+		return err
+	}
+
+	return c.JSON(resp)
+}
+
+// HomeExtractable 后台首页全局可提取统计
+func HomeExtractable(c *fiber.Ctx) error {
+	if _, err := auth.GetAuthCtx(c).PermitAdmin(); err != nil {
+		return err
+	}
+
+	resp, err := s.Home.Extractable()
+	if err != nil {
+		return err
+	}
+
+	return c.JSON(resp)
+}
diff --git a/web/routes.go b/web/routes.go
index dd57a6f..b4bb671 100644
--- a/web/routes.go
+++ b/web/routes.go
@@ -170,6 +170,12 @@ func userRouter(api fiber.Router) {
 func adminRouter(api fiber.Router) {
 	api = api.Group("/admin")
 
+	// home 后台首页
+	var home = api.Group("/home")
+	home.Post("/overview", handlers.HomeOverview)
+	home.Post("/trend", handlers.HomeTrend)
+	home.Post("/extractable", handlers.HomeExtractable)
+
 	// admin 管理员
 	var admin = api.Group("/admin")
 	admin.Post("/all", handlers.AllAdminByAdmin)
diff --git a/web/services/home.go b/web/services/home.go
new file mode 100644
index 0000000..f378573
--- /dev/null
+++ b/web/services/home.go
@@ -0,0 +1,424 @@
+package services
+
+import (
+	"fmt"
+	"platform/web/core"
+	g "platform/web/globals"
+	m "platform/web/models"
+	"time"
+
+	"github.com/shopspring/decimal"
+)
+
+const homeMaxTrendDays = 366
+
+var Home = &homeService{}
+
+type homeService struct{}
+
+type HomeOverviewResp struct {
+	PendingCustomerCount  int64  `json:"pending_customer_count"`
+	ActiveChannelCount    int64  `json:"active_channel_count"`
+	TodayTradeAmount      string `json:"today_trade_amount"`
+	TodayExtractCount     int64  `json:"today_extract_count"`
+	TodayNewCustomerCount int64  `json:"today_new_customer_count"`
+}
+
+type HomeTrendReq struct {
+	DateStart string `json:"date_start" validate:"required"`
+	DateEnd   string `json:"date_end" validate:"required"`
+}
+
+type HomeTrendResp []HomeTrendItem
+
+type HomeTrendItem struct {
+	Date               string `json:"date"`
+	ActiveChannelCount int64  `json:"active_channel_count"`
+	TradeAmount        string `json:"trade_amount"`
+	NewCustomerCount   int64  `json:"new_customer_count"`
+	ExtractCount       int64  `json:"extract_count"`
+}
+
+type HomeExtractableResp struct {
+	Short int64 `json:"short"`
+	Long  int64 `json:"long"`
+}
+
+type homeRange struct {
+	StartLocal time.Time
+	EndLocal   time.Time
+	StartUTC   time.Time
+	EndUTC     time.Time
+	Dates      []string
+}
+
+type homeCountRow struct {
+	Date  string
+	Count int64
+}
+
+type homeAmountRow struct {
+	Date   string
+	Amount string
+}
+
+func (s *homeService) Overview() (*HomeOverviewResp, error) {
+	loc := homeLocation()
+	startLocal := startOfLocalDay(time.Now().In(loc), loc)
+	rng := homeRange{
+		StartLocal: startLocal,
+		EndLocal:   startLocal,
+		StartUTC:   startLocal.UTC(),
+		EndUTC:     startLocal.AddDate(0, 0, 1).UTC(),
+		Dates:      []string{homeDateKey(startLocal, loc)},
+	}
+
+	pendingCustomerCount, err := s.pendingCustomerCount()
+	if err != nil {
+		return nil, err
+	}
+
+	activeChannelCount, err := s.activeChannelCount(time.Now().UTC())
+	if err != nil {
+		return nil, err
+	}
+
+	tradeAmount, err := s.tradeAmount(rng.StartUTC, rng.EndUTC)
+	if err != nil {
+		return nil, err
+	}
+
+	extractCount, err := s.extractCount(rng.StartUTC, rng.EndUTC)
+	if err != nil {
+		return nil, err
+	}
+
+	newCustomerCount, err := s.newCustomerCount(rng.StartUTC, rng.EndUTC)
+	if err != nil {
+		return nil, err
+	}
+
+	return &HomeOverviewResp{
+		PendingCustomerCount:  pendingCustomerCount,
+		ActiveChannelCount:    activeChannelCount,
+		TodayTradeAmount:      tradeAmount,
+		TodayExtractCount:     extractCount,
+		TodayNewCustomerCount: newCustomerCount,
+	}, nil
+}
+
+func (s *homeService) Trend(req HomeTrendReq) (HomeTrendResp, error) {
+	rng, err := newHomeRange(req.DateStart, req.DateEnd)
+	if err != nil {
+		return nil, err
+	}
+
+	items := make(HomeTrendResp, 0, len(rng.Dates))
+	byDate := make(map[string]int, len(rng.Dates))
+	for _, date := range rng.Dates {
+		byDate[date] = len(items)
+		items = append(items, HomeTrendItem{
+			Date:        date,
+			TradeAmount: "0.00",
+		})
+	}
+
+	activeChannels, err := s.dailyActiveChannelCounts(rng)
+	if err != nil {
+		return nil, err
+	}
+	for _, row := range activeChannels {
+		if index, ok := byDate[row.Date]; ok {
+			items[index].ActiveChannelCount = row.Count
+		}
+	}
+
+	trades, err := s.dailyTradeAmounts(rng)
+	if err != nil {
+		return nil, err
+	}
+	for _, row := range trades {
+		if index, ok := byDate[row.Date]; ok {
+			items[index].TradeAmount = normalizeDecimalString(row.Amount)
+		}
+	}
+
+	newCustomers, err := s.dailyNewCustomerCounts(rng)
+	if err != nil {
+		return nil, err
+	}
+	for _, row := range newCustomers {
+		if index, ok := byDate[row.Date]; ok {
+			items[index].NewCustomerCount = row.Count
+		}
+	}
+
+	extracts, err := s.dailyExtractCounts(rng)
+	if err != nil {
+		return nil, err
+	}
+	for _, row := range extracts {
+		if index, ok := byDate[row.Date]; ok {
+			items[index].ExtractCount = row.Count
+		}
+	}
+
+	return items, nil
+}
+
+func (s *homeService) Extractable() (*HomeExtractableResp, error) {
+	loc := homeLocation()
+	now := time.Now().In(loc)
+
+	var resources []*m.Resource
+	err := g.DB.
+		Preload("Short").
+		Preload("Long").
+		Where("active = ?", true).
+		Find(&resources).Error
+	if err != nil {
+		return nil, err
+	}
+
+	resp := &HomeExtractableResp{}
+	for _, resource := range resources {
+		switch resource.Type {
+		case m.ResourceTypeShort:
+			resp.Short += calcShortExtractable(resource.Short, now, loc)
+		case m.ResourceTypeLong:
+			resp.Long += calcLongExtractable(resource.Long, now, loc)
+		}
+	}
+
+	return resp, nil
+}
+
+func (s *homeService) pendingCustomerCount() (int64, error) {
+	var count int64
+	err := g.DB.Model(&m.User{}).Where("admin_id IS NULL").Count(&count).Error
+	return count, err
+}
+
+func (s *homeService) activeChannelCount(now time.Time) (int64, error) {
+	var count int64
+	err := g.DB.Model(&m.Channel{}).Where("expired_at > ?", now.UTC()).Count(&count).Error
+	return count, err
+}
+
+func (s *homeService) tradeAmount(startUTC, endUTC time.Time) (string, error) {
+	var amount string
+	err := g.DB.Raw(`
+		SELECT COALESCE(SUM(payment), 0)::text
+		FROM "trade"
+		WHERE deleted_at IS NULL
+			AND status = ?
+			AND completed_at >= ?
+			AND completed_at < ?
+	`, int(m.TradeStatusSuccess), startUTC, endUTC).Scan(&amount).Error
+	return normalizeDecimalString(amount), err
+}
+
+func (s *homeService) extractCount(startUTC, endUTC time.Time) (int64, error) {
+	var count int64
+	err := g.DB.Raw(`
+		SELECT COALESCE(SUM(count), 0)
+		FROM logs_user_usage
+		WHERE time >= ?
+			AND time < ?
+	`, startUTC, endUTC).Scan(&count).Error
+	return count, err
+}
+
+func (s *homeService) newCustomerCount(startUTC, endUTC time.Time) (int64, error) {
+	var count int64
+	err := g.DB.Model(&m.User{}).
+		Where("created_at >= ? AND created_at < ?", startUTC, endUTC).
+		Count(&count).Error
+	return count, err
+}
+
+func (s *homeService) dailyActiveChannelCounts(rng homeRange) ([]homeCountRow, error) {
+	var rows []homeCountRow
+	err := g.DB.Raw(`
+		WITH days AS (
+			SELECT generate_series(?::timestamptz, ?::timestamptz - interval '1 day', interval '1 day') AS day_start
+		)
+		SELECT
+			to_char(days.day_start AT TIME ZONE 'Asia/Shanghai', 'YYYY-MM-DD') AS date,
+			COUNT(channel.id) AS count
+		FROM days
+		LEFT JOIN channel
+			ON channel.deleted_at IS NULL
+			AND channel.created_at < days.day_start + interval '1 day'
+			AND channel.expired_at >= days.day_start
+		GROUP BY days.day_start
+		ORDER BY days.day_start
+	`, rng.StartUTC, rng.EndUTC).Scan(&rows).Error
+	return rows, err
+}
+
+func (s *homeService) dailyTradeAmounts(rng homeRange) ([]homeAmountRow, error) {
+	var rows []homeAmountRow
+	err := g.DB.Raw(`
+		SELECT
+			to_char(completed_at AT TIME ZONE 'Asia/Shanghai', 'YYYY-MM-DD') AS date,
+			COALESCE(SUM(payment), 0)::text AS amount
+		FROM "trade"
+		WHERE deleted_at IS NULL
+			AND status = ?
+			AND completed_at >= ?
+			AND completed_at < ?
+		GROUP BY date
+		ORDER BY date
+	`, int(m.TradeStatusSuccess), rng.StartUTC, rng.EndUTC).Scan(&rows).Error
+	return rows, err
+}
+
+func (s *homeService) dailyNewCustomerCounts(rng homeRange) ([]homeCountRow, error) {
+	var rows []homeCountRow
+	err := g.DB.Raw(`
+		SELECT
+			to_char(created_at AT TIME ZONE 'Asia/Shanghai', 'YYYY-MM-DD') AS date,
+			COUNT(*) AS count
+		FROM "user"
+		WHERE deleted_at IS NULL
+			AND created_at >= ?
+			AND created_at < ?
+		GROUP BY date
+		ORDER BY date
+	`, rng.StartUTC, rng.EndUTC).Scan(&rows).Error
+	return rows, err
+}
+
+func (s *homeService) dailyExtractCounts(rng homeRange) ([]homeCountRow, error) {
+	var rows []homeCountRow
+	err := g.DB.Raw(`
+		SELECT
+			to_char(time AT TIME ZONE 'Asia/Shanghai', 'YYYY-MM-DD') AS date,
+			COALESCE(SUM(count), 0) AS count
+		FROM logs_user_usage
+		WHERE time >= ?
+			AND time < ?
+		GROUP BY date
+		ORDER BY date
+	`, rng.StartUTC, rng.EndUTC).Scan(&rows).Error
+	return rows, err
+}
+
+func newHomeRange(dateStart, dateEnd string) (homeRange, error) {
+	loc := homeLocation()
+
+	startLocal, err := time.ParseInLocation(time.DateOnly, dateStart, loc)
+	if err != nil {
+		return homeRange{}, core.NewBizErr("date_start 必须是 YYYY-MM-DD 格式", err)
+	}
+	endLocal, err := time.ParseInLocation(time.DateOnly, dateEnd, loc)
+	if err != nil {
+		return homeRange{}, core.NewBizErr("date_end 必须是 YYYY-MM-DD 格式", err)
+	}
+	if endLocal.Before(startLocal) {
+		return homeRange{}, core.NewBizErr("date_end 不能早于 date_start")
+	}
+
+	days := int(endLocal.Sub(startLocal).Hours()/24) + 1
+	if days > homeMaxTrendDays {
+		return homeRange{}, core.NewBizErr(fmt.Sprintf("日期范围不能超过 %d 天", homeMaxTrendDays))
+	}
+
+	dates := make([]string, 0, days)
+	for day := startLocal; !day.After(endLocal); day = day.AddDate(0, 0, 1) {
+		dates = append(dates, homeDateKey(day, loc))
+	}
+
+	return homeRange{
+		StartLocal: startLocal,
+		EndLocal:   endLocal,
+		StartUTC:   startLocal.UTC(),
+		EndUTC:     endLocal.AddDate(0, 0, 1).UTC(),
+		Dates:      dates,
+	}, nil
+}
+
+func calcShortExtractable(resource *m.ResourceShort, now time.Time, loc *time.Location) int64 {
+	if resource == nil {
+		return 0
+	}
+	return calcExtractable(resource.Type, resource.Quota, resource.Used, resource.Daily, resource.LastAt, resource.ExpireAt, now, loc)
+}
+
+func calcLongExtractable(resource *m.ResourceLong, now time.Time, loc *time.Location) int64 {
+	if resource == nil {
+		return 0
+	}
+	return calcExtractable(resource.Type, resource.Quota, resource.Used, resource.Daily, resource.LastAt, resource.ExpireAt, now, loc)
+}
+
+func calcExtractable(mode m.ResourceMode, quota, used, daily int32, lastAt, expireAt *time.Time, now time.Time, loc *time.Location) int64 {
+	switch mode {
+	case m.ResourceModeQuota:
+		return maxInt64(int64(quota)-int64(used), 0)
+
+	case m.ResourceModeTime:
+		if expireAt == nil || !expireAt.After(now) {
+			return 0
+		}
+
+		todayRemaining := int64(quota)
+		if lastAt != nil && sameLocalDate(*lastAt, now, loc) {
+			todayRemaining = maxInt64(int64(quota)-int64(daily), 0)
+		}
+
+		todayStart := startOfLocalDay(now, loc)
+		expireStart := startOfLocalDay(expireAt.In(loc), loc)
+		futureDays := int64(expireStart.Sub(todayStart).Hours() / 24)
+		if futureDays < 0 {
+			futureDays = 0
+		}
+
+		return todayRemaining + futureDays*int64(quota)
+	}
+
+	return 0
+}
+
+func homeLocation() *time.Location {
+	loc, err := time.LoadLocation("Asia/Shanghai")
+	if err != nil {
+		return time.FixedZone("Asia/Shanghai", 8*60*60)
+	}
+	return loc
+}
+
+func startOfLocalDay(t time.Time, loc *time.Location) time.Time {
+	y, m, d := t.In(loc).Date()
+	return time.Date(y, m, d, 0, 0, 0, 0, loc)
+}
+
+func sameLocalDate(a, b time.Time, loc *time.Location) bool {
+	ay, am, ad := a.In(loc).Date()
+	by, bm, bd := b.In(loc).Date()
+	return ay == by && am == bm && ad == bd
+}
+
+func homeDateKey(t time.Time, loc *time.Location) string {
+	return t.In(loc).Format(time.DateOnly)
+}
+
+func normalizeDecimalString(s string) string {
+	if s == "" {
+		return "0.00"
+	}
+
+	d, err := decimal.NewFromString(s)
+	if err != nil {
+		return "0.00"
+	}
+	return d.StringFixed(2)
+}
+
+func maxInt64(a, b int64) int64 {
+	if a > b {
+		return a
+	}
+	return b
+}
diff --git a/web/services/home_test.go b/web/services/home_test.go
new file mode 100644
index 0000000..2766241
--- /dev/null
+++ b/web/services/home_test.go
@@ -0,0 +1,87 @@
+package services
+
+import (
+	m "platform/web/models"
+	"testing"
+	"time"
+)
+
+func TestNewHomeRange(t *testing.T) {
+	rng, err := newHomeRange("2026-07-20", "2026-07-21")
+	if err != nil {
+		t.Fatalf("newHomeRange returned error: %v", err)
+	}
+
+	if got, want := len(rng.Dates), 2; got != want {
+		t.Fatalf("len(Dates) = %d, want %d", got, want)
+	}
+	if got, want := rng.Dates[0], "2026-07-20"; got != want {
+		t.Fatalf("Dates[0] = %s, want %s", got, want)
+	}
+	if got, want := rng.Dates[1], "2026-07-21"; got != want {
+		t.Fatalf("Dates[1] = %s, want %s", got, want)
+	}
+	if got, want := rng.StartUTC.Format(time.RFC3339), "2026-07-19T16:00:00Z"; got != want {
+		t.Fatalf("StartUTC = %s, want %s", got, want)
+	}
+	if got, want := rng.EndUTC.Format(time.RFC3339), "2026-07-21T16:00:00Z"; got != want {
+		t.Fatalf("EndUTC = %s, want %s", got, want)
+	}
+}
+
+func TestNewHomeRangeRejectsInvalidRange(t *testing.T) {
+	_, err := newHomeRange("2026-07-21", "2026-07-20")
+	if err == nil {
+		t.Fatal("newHomeRange expected error")
+	}
+}
+
+func TestCalcExtractableQuota(t *testing.T) {
+	loc := homeLocation()
+	now := time.Date(2026, 7, 21, 10, 0, 0, 0, loc)
+
+	got := calcExtractable(m.ResourceModeQuota, 100, 30, 0, nil, nil, now, loc)
+	if want := int64(70); got != want {
+		t.Fatalf("calcExtractable quota = %d, want %d", got, want)
+	}
+
+	got = calcExtractable(m.ResourceModeQuota, 100, 130, 0, nil, nil, now, loc)
+	if want := int64(0); got != want {
+		t.Fatalf("calcExtractable exhausted quota = %d, want %d", got, want)
+	}
+}
+
+func TestCalcExtractableTimeCountsTodayAndExpiryDate(t *testing.T) {
+	loc := homeLocation()
+	now := time.Date(2026, 7, 21, 10, 0, 0, 0, loc)
+	lastAt := time.Date(2026, 7, 21, 9, 0, 0, 0, loc)
+	expireAt := time.Date(2026, 7, 23, 12, 0, 0, 0, loc)
+
+	got := calcExtractable(m.ResourceModeTime, 100, 0, 30, &lastAt, &expireAt, now, loc)
+	if want := int64(270); got != want {
+		t.Fatalf("calcExtractable time = %d, want %d", got, want)
+	}
+}
+
+func TestCalcExtractableTimeResetsDailyWhenLastAtIsNotToday(t *testing.T) {
+	loc := homeLocation()
+	now := time.Date(2026, 7, 21, 10, 0, 0, 0, loc)
+	lastAt := time.Date(2026, 7, 20, 23, 59, 59, 0, loc)
+	expireAt := time.Date(2026, 7, 21, 23, 0, 0, 0, loc)
+
+	got := calcExtractable(m.ResourceModeTime, 100, 0, 80, &lastAt, &expireAt, now, loc)
+	if want := int64(100); got != want {
+		t.Fatalf("calcExtractable time reset = %d, want %d", got, want)
+	}
+}
+
+func TestCalcExtractableTimeExpired(t *testing.T) {
+	loc := homeLocation()
+	now := time.Date(2026, 7, 21, 10, 0, 0, 0, loc)
+	expireAt := time.Date(2026, 7, 21, 9, 0, 0, 0, loc)
+
+	got := calcExtractable(m.ResourceModeTime, 100, 0, 0, nil, &expireAt, now, loc)
+	if want := int64(0); got != want {
+		t.Fatalf("calcExtractable expired time = %d, want %d", got, want)
+	}
+}