Why didn't Japan occupy Hefei, Anhui Province in World War II?

Occupied, there are Japanese fortifications in Dashu Mountain on the outskirts of Hefei.

1. The Lugouqiao Incident was initiated by Japan, and China's army rose up against it, and an all-out war of resistance broke out. The Japanese army immediately launched a large-scale attack on China, and large areas of land fell into the hands of the Japanese army.

2.1In May, 938, after Japanese troops invaded Hexian County, Hanshan County and Chaoxian County successively, they assembled more than 2,000 troops and invaded Hefei from Chaoxian County in two ways.

3. More than 500 Japanese troops marched westward to Liujiafan and He Changlin, approaching Wuli Temple, the frontier of the Kuomintang garrison in the southeast of Hefei. 18: 30, more than 1000 Japanese troops advancing westward along Hechao Highway attacked the Kuomintang garrison at the entrance of the store.

Soon, some surrounding towns also fell one after another. In Hefei county 130 towns, 38 became enemy-occupied areas, and 17 became semi-occupied areas. Before the fall of Hefei, the Kuomintang Hefei county government moved to Xixiang, Hefei.

The Japanese invaders wrote slogans such as "Japan-China Friendship", "Japan-China Support", "Same Language and Same Species", "Saving Glory" and "Building a King's Paradise in China" everywhere in Hefei.