docs: update readme

Author: wiidede

README.md

@@ -133,7 +133,7 @@ The project includes a `.github/workflows/migrate.yml` file. You can:
    - **Build command**: `pnpm run build`
    - **Deploy command**: `npx wrangler deploy`
 4. Add environment variables:
-   - `NUXT_SESSION_PASSWORD` - Generate a secure random string
+   - `NUXT_SESSION_PASSWORD` - Generate a secure random string (at least 32 characters)
    - `NUXT_ADMIN_PASSWORD` - Set your admin panel password
 5. Click **Deploy**
 
@@ -189,9 +189,9 @@ For users who previously deployed using NuxtHub Admin:
 | Variable | Required | Default | Description |
 |----------|----------|---------|-------------|
 | `NUXT_ADMIN_PASSWORD` | Yes | `admin` | Admin panel access password |
-| `NUXT_SESSION_PASSWORD` | Yes | Auto-generated | Session encryption key |
+| `NUXT_SESSION_PASSWORD` | Yes | -- | Session encryption key(at least 32 characters) |
 | `NUXT_PUBLIC_TITLE` | No | `Exif Gallery Nuxt` | Application title |
-| `NUXT_PUBLIC_DESCRIPTION` | No | See default | Application description |
+| `NUXT_PUBLIC_DESCRIPTION` | No | `A full-stack photo album solution that integrates AI intelligent processing, browser image compression, and other functions` | Application description |
 
 ## 📁 Project Structure
 

README_zh.md

@@ -134,7 +134,7 @@ pnpm dev
    - **Build command**: `pnpm run build`
    - **Deploy command**: `npx wrangler deploy`
 4. 添加环境变量：
-   - `NUXT_SESSION_PASSWORD` - 生成一个安全的随机字符串
+   - `NUXT_SESSION_PASSWORD` - 生成一个安全的随机字符串（至少 32 位）
    - `NUXT_ADMIN_PASSWORD` - 设置您的管理后台密码
 5. 点击 **Deploy**
 
@@ -190,9 +190,9 @@ pnpm dev --remote
 | 变量 | 必需 | 默认值 | 描述 |
 |------|------|--------|------|
 | `NUXT_ADMIN_PASSWORD` | 是 | `admin` | 管理后台访问密码 |
-| `NUXT_SESSION_PASSWORD` | 是 | 自动生成 | 会话加密密钥 |
+| `NUXT_SESSION_PASSWORD` | 是 | 自动生成 | 会话加密密钥（至少32位） |
 | `NUXT_PUBLIC_TITLE` | 否 | `Exif Gallery Nuxt` | 应用标题 |
-| `NUXT_PUBLIC_DESCRIPTION` | 否 | 见默认值 | 应用描述 |
+| `NUXT_PUBLIC_DESCRIPTION` | 否 | 一个集成了 AI 智能处理、浏览器图片压缩等功能的全栈相册解决方案 | 应用描述 |
 
 ## 📁 项目结构