By winter 441, however, he had joined Juqu Wuhui at Dunhuang, and Juqu Wuhui, who had recently lost Jiuquan to Northern Wei, wanted to try to reestablish his rule in the Western Regions (Xiyu, modern Xinjiang and former Soviet Central Asia). He sent Juqu Anzhou to attack Shanshan, but Juqu Anzhou could not capture it initially. In 442, however, Juqu Wuhui arrived to join him, and the king of Shanshan, in fear, fled, and Juqu Wuhui took over Shanshan.
By winter 441, however, he had joined Juqu Wuhui at Dunhuang; Juqu Wuhui, who recently lost Jiuquan to Northern Wei, wished to reestablish his rule in the Western Regions (Xiyu, modern Xinjiang and former Soviet Central Asia). He dispatched Juqu Anzhou to attack Shanshan, but Juqu Anzhou could not capture it initially. In 442, however, Juqu Wuhui arrived to join him; the king of Shanshan, in fear, fled, and Juqu Wuhui took over Shanshen.