看到了这条：据国内媒体报道，徐正源已与成都蓉城正式解约，且不会执教北京国安。

Preparing news brief

I'm not going to run any shell commands or edit files. I’ll focus on putting together a short news brief with a title and keep it between 80-120 words. The guidelines say no heavy formatting unless requested, but I can use bullets. I think I’ll include a one-sentence summary along with some implications, and then I'll ask the user what they’d like me to do next. Let’s get started!