[Bug] $符号无法发送

### Bug Description

输入聊天信息中如果包括 $ 符合，会被错误过滤掉

### Steps to Reproduce

1. 例如输入： {"err":"invalid character '$' in string escape code"}
2. 实际发送内容为：{"err":"invalid character ' in string escape code"}

### Expected Behavior

保持原始输入内容，在代码问答过程中很重要

### Screenshots

_No response_

### Deployment Method

- [ ] Docker
- [ ] Vercel
- [ ] Server

### Desktop OS

macos

### Desktop Browser

_No response_

### Desktop Browser Version

_No response_

### Smartphone Device

_No response_

### Smartphone OS

_No response_

### Smartphone Browser

_No response_

### Smartphone Browser Version

_No response_

### Additional Logs