When he was at service, he lacked experience in strategy, was stingy in economy and was radical in politics. Although he was impeached greatly, Zeng Guofan defended him many times.

• 在山东巡抚任上,他因在军事方面缺乏经验,经济方面有些吝啬,政治方面过于偏激,受到严苛的弹劾,两江总督曾国藩又多次为他辩护。