Xie Xiaoliu still gives preferential treatment to civilians who can bring supplies into the border area, because the current border area is tightly blockaded by the Kuomintang and the Japanese army, making it almost impossible to get supplies . ,“It's so difficult.” Cao Qua said: "Although the heavy snow in the north has a bit of an impact on us, we can raise cannons to fight, but we don't have enough numbers, we can't go in and out at will. giants. If we can load the cannons. Just climb on top of a falcon, giants can't fly."