You just have to always adjust to what's happening and realize you'll have bummer notes come here and there and listen to it, adjust it, and just move on, or else you'll get too tied up and go crazy. Like me.
你就得一直调整弹出来的音 一发觉有奇怪的音调出来， 就调整过来，继续弹， 或者你会因此太过于疲劳而发疯，像我一样。