While the western frontier is killing the sky and the earth with Yizhou as the center, Lu Shiyu is discussing with Cheng Meizhu about the disposal of Meng Jiaqian, "Sending to Chang'an is the most stable, the problem is, at this moment, the county princess doesn't want to go to Chang'an, and intends to go to the northern frontier.... If we divide the army, I'm afraid that if we divide it more, the county princess will be dissatisfied, and think that we didn't leave enough manpower to protect ...