he ventured to join yan'an and was developed into a secret intelligence officer by the ministry of social security led by comrade li kenong. he was sent back to the kuomintang hu zongnan's troops to ambush, develop a secret radio station, and directly connect with yan'an. before the liaoshen campaign, the organization sent him to invade the confidential office of liao yaoxiang's headquarters to obtain the enemy's top-secret military intelligence in a timely manner. after the liberation of chongqing, he went to chongqing to cooperate with the public security bureau to eliminate the lurking spies from the enemy by his familiarity with the favorable conditions of the old kuomintang military control commission. this secret intelligence officer of our party with a firm belief has a unique legendary experience and has created earth-shaking achievements with many other unknown heroes.