[Bug Report] 流模式下最后一段如果是代码片段，关闭标签会被渲染到代码中

[BaiXiaoguangEx]

Prerequisites

• There isn't an existing issue that reports the same bug to avoid duplicates.

• The provided information offers a minimal reproducible example of the bug, (Why create a Minimal).

• For Q&A, please open a GitHub Discussion instead.

Version

v 0.8.58

Reproduction Link

https://github.com/Tencent/cherry-markdown/blob/main/examples/scripts/ai-chat-demo.js

Describe the Bug

下方代码块如果放到最后，就会出现这个问题。

``` python
import pygame

# 初始化pygame
pygame.init()

# 设置窗口大小
window_size = (800, 600)

# 创建窗口
screen = pygame.display.set_mode(window_size)

# 设置窗口标题
pygame.display.set_caption("My First Game")

# 游戏循环
running = True
while running:
# 处理事件
for event in pygame.event.get():
if event.type == pygame.QUIT:
running = False

# 更新屏幕内容
screen.fill((0, 0, 0)) # 填充黑色背景

# 绘制图形（此处留空，可以根据需要添加）

# 刷新屏幕
pygame.display.flip()

# 退出pygame
pygame.quit()
```

System Information

Contributing

None

[github-actions]

📦 cherry-markdown dev preview published
⚠️ 注意: 此版本为开发预览版，禁止在生产环境使用！
⚠️ Note: This version is a developer preview and should not be used in production environments!

Install NPM with :

npm install @cherry-markdown/cherry-markdown-dev@0.8.58-dev.202503241221.67eb094