According to Reuters news, on May 25, Japanese Foreign Minister Taro Nono said in a speech in Shimada City, Shizuoka Prefecture that if North Korea abandons nuclear and missile development, it can cancel economic sanctions, and he will urge Kim Jong-un to make a decision. "If the right decision is made, economic sanctions will be resolved, and foreign capital and investment will also enter. It depends on the choice of gold." Kono Taro also mentioned that North Korea is smuggling goods through the sea, and the workers are brought back. Foreign currency income, use of cyber attacks to steal cryptocurrencies and other means to escape sanctions. Because of the existence of these vulnerabilities, economic sanctions do not work, and these vulnerabilities should be blocked to force Kim Jong-un to make a decision.