Why didn't the Japanese come in when they hit the Longtan in Xupu, Xiangxi, and surrendered?

The front line has been stretched too long to allow them to move on.

Since 1942, Japan's maritime communication lines have been cut off gradually.

They launched the Henan-Hunan-Guangxi War on 1944, in order to open up the mainland traffic lines in order to survive, and they had no energy to further expand the war situation.

Of course, there may be a small attack behind. But August 5th is not far away. 1945. Just like the second part of "Big House Gate", everyone saw the anti-Japanese elements, and as a result, the little devil suddenly received the order to surrender and had to go home.