He originally intended to surrender to Wei, so why did he end up restoring Han?

"No one may listen to what I say, but everyone will smell my farts!" Lu Wan transmigrated to the late Eastern Han Dynasty, originally intending to quietly collect her salary in Cao Wei, only to be driven out by Cao's army. Enraged, she decided to learn from her predecessor Jia Xu's tactics: first, create a major conflict for Cao Wei to increase her strategic value, then secure a position within the Wei government. But Lu Wan soon discovered things were going badly. Cao Cao: "Lu Wan, you are despicable! I swear to kill you!" Liu Bei: "I am of meager virtue and talent, but fortunate to have received your guidance, sir. This is a blessing for the Han Dynasty!" Lu Wan: "I really just want to lie down and relax!"