他曾代表清政府签订了一系列不平等条约,例如《中英烟台条约》,《中法新约》,以及1901年的《和平条约》。
On behalf of the Qing government he presided over the signing of unequal treaties such as the Sino-British Yantai Treaty , the Sino-French New Treaty , and the Peace Treaty of1901 .