The mistake of Suzhou and Hangzhou is that foreign soldiers are at work.

The foreign gun team was established by Qing officials in conjunction with Britain and France to deal with the Taiping Heavenly Kingdom, and was later renamed Chang.

The Taiping Heavenly Kingdom Li Xiucheng swept across southern Jiangsu, and Shanghai was in jeopardy. Local officials recruited a group of foreign deserters, sailors, ronin and other fugitives in China, headed by American adventurer Walter. The foreign guns were mercenaries of the Qing Dynasty.