diff --git a/.gitignore b/.gitignore
index fabb045..a89d7e9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,6 +25,8 @@ api_test_video.py       # hardcoded API key
 # ======================================================================
 # browser HAR captures contain real cookies/tokens
 *.har
+# stray source/backup archives
+*.zip
 # prebuilt binaries (backend is built from source now)
 /dist/
 # stray debug screenshots pasted into the repo root
diff --git a/README.en.md b/README.en.md
index e8da224..2889a7c 100644
--- a/README.en.md
+++ b/README.en.md
@@ -218,11 +218,44 @@ server {
 ## 📦 Repository Layout
 
 ```
-frontend/            Frontend source (Vue 3)
-backend/             Backend source (Go, entry point at cmd/api)
-docker-compose.yml   Docker orchestration (Postgres/Redis/RustFS/backend/frontend/acme)
-install.sh           One-command deploy script
-.env.docker.example  Environment variable template
+backend/                       Backend source (Go)
+├── cmd/
+│   ├── api/                   Service entry point (main)
+│   └── marklabel/             Ops helper (mark accounts on demand)
+├── internal/
+│   ├── bootstrap/             App wiring, scheduled maintenance startup
+│   ├── config/                Env-var configuration loading
+│   ├── http/
+│   │   ├── handler/           HTTP handlers (v1-compatible API, admin, auth…)
+│   │   ├── middleware/        Auth / request-id middleware
+│   │   └── router/            Route registration
+│   ├── model/                 GORM data models
+│   ├── provider/              Upstream provider clients
+│   │   ├── adobe/             Adobe Firefly (tls-client fingerprint)
+│   │   ├── chatgpt/           OpenAI (incl. PoW / turnstile)
+│   │   ├── runway/            Runway video
+│   │   ├── leonardo/          Leonardo
+│   │   ├── krea/              Krea
+│   │   └── imagine/           Imagine.art
+│   ├── repo/                  Data-access layer (users / models / accounts / logs / CDK…)
+│   ├── service/               Business logic (scheduling, billing, account pools, keep-alive, maintenance)
+│   └── storage/               RustFS / S3 media storage
+├── Dockerfile                 Multi-stage build (compile source → slim runtime image)
+└── .env.example               Backend env-var template
+
+frontend/                      Frontend source (Vue 3 + Vite)
+├── src/
+│   ├── views/                 Pages (playground / accounts / models / logs / overview / users…)
+│   ├── components/            Reusable components (modals / selectors / lightbox…)
+│   ├── layouts/               Public / admin layouts
+│   ├── utils/                 Utility functions
+│   └── api.js · auth.js …     API client, auth, theme, credits, etc.
+├── Dockerfile                 Nginx static hosting + cert watcher
+└── default.conf.template      Nginx site template (reverse proxy + caching)
+
+docker-compose.yml             Docker orchestration (Postgres / Redis / RustFS / backend / frontend / acme)
+install.sh                     One-command deploy script (= docker compose up -d --build)
+.env.docker.example            Deployment env-var template
 ```
 
 ## 🗺️ Roadmap
diff --git a/README.md b/README.md
index 972f197..631a45e 100644
--- a/README.md
+++ b/README.md
@@ -218,11 +218,44 @@ server {
 ## 📦 仓库结构
 
 ```
-frontend/            前端源码(Vue 3)
-backend/             后端源码(Go,cmd/api 为入口)
-docker-compose.yml   Docker 编排(Postgres/Redis/RustFS/后端/前端/acme)
-install.sh           一键部署脚本
-.env.docker.example  环境变量模板
+backend/                       后端源码(Go)
+├── cmd/
+│   ├── api/                   服务入口(main)
+│   └── marklabel/             运维小工具(按需标记账号)
+├── internal/
+│   ├── bootstrap/             应用装配、定时维护任务启动
+│   ├── config/                环境变量配置加载
+│   ├── http/
+│   │   ├── handler/           HTTP 处理器(v1 兼容接口、后台、鉴权…)
+│   │   ├── middleware/        鉴权 / 请求 ID 等中间件
+│   │   └── router/            路由注册
+│   ├── model/                 GORM 数据模型
+│   ├── provider/              各上游供应商客户端
+│   │   ├── adobe/             Adobe Firefly(tls-client 指纹)
+│   │   ├── chatgpt/           OpenAI(含 PoW / turnstile)
+│   │   ├── runway/            Runway 视频
+│   │   ├── leonardo/          Leonardo
+│   │   ├── krea/              Krea
+│   │   └── imagine/           Imagine.art
+│   ├── repo/                  数据访问层(用户 / 模型 / 账号 / 日志 / CDK…)
+│   ├── service/              业务逻辑(生成调度、计费、账号池、保活、维护)
+│   └── storage/               RustFS / S3 媒体存储
+├── Dockerfile                 多阶段构建(源码编译 → 精简运行镜像)
+└── .env.example               后端环境变量模板
+
+frontend/                      前端源码(Vue 3 + Vite)
+├── src/
+│   ├── views/                 页面(画图台 / 账号 / 模型 / 日志 / 概览 / 用户…)
+│   ├── components/             复用组件(弹窗 / 选择器 / 灯箱…)
+│   ├── layouts/                公共 / 后台布局
+│   ├── utils/                  工具函数
+│   └── api.js · auth.js …      接口封装、鉴权、主题、积分等
+├── Dockerfile                 Nginx 静态托管 + 证书监听
+└── default.conf.template      Nginx 站点模板(反代 + 缓存策略)
+
+docker-compose.yml             Docker 编排(Postgres / Redis / RustFS / 后端 / 前端 / acme)
+install.sh                     一键部署脚本(= docker compose up -d --build)
+.env.docker.example            部署环境变量模板
 ```
 
 ## 🗺️ Roadmap
diff --git a/backend/internal/provider/adobe.zip b/backend/internal/provider/adobe.zip
deleted file mode 100644
index 5ef5be1..0000000
Binary files a/backend/internal/provider/adobe.zip and /dev/null differ