TomcatEmbeddedWebappClassLoader 导致 classloader -l命令输出结果错位

执行`classloader -l`可以发现有一些奇怪的错位输出：

再用vim打开，可以发现实际上是 TomcatEmbeddedWebappClassLoader 的toString() 函数导致的：

---

考虑对 `ClassLoader#toString()` 函数做处理下？

Reproduce the misaligned output with the `classloader -l` command and inspect `TomcatEmbeddedWebappClassLoader` together with `ClassLoader#toString()`. Confirm that the class-loader string is responsible for the formatting issue, then verify that the command output remains aligned after the handling is adjusted.

Written by the indexing model from the issue text.