🐛[BUG] 在使用账号切换时会直接闪退

### 🐛 描述(Description)

### 📷 复现步骤(Steps to Reproduce)

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### 📄 [异常/日志]信息([Exception/Log] Information)

### 🚑 基本信息(Basic Information)

- 程序版本(Program Version):2.6.3
- 系统版本号(OS Version):
- 是否为应用商店版本(Whether it is a Store version): 否

### 🖼 截图(Screenshots)

The report only identifies account switching in version 2.6.3; no source file, entry point, reproduction steps, logs, operating system, or test is provided. First reproduce the crash while scrolling and selecting an account, then locate the relevant account-switching code and capture enough diagnostic information to define a testable fix.

Written by the indexing model from the issue text.