 He also slaughtered a large number of imperial officials, and he installed a number of his close associates, among whom was Erzhu Shilong, into high positions in the imperial government.Emperor Xiaozhuang made Erzhu Shilong " (僕射) -- a high level imperial official—and made him in charge of the civil service system.Erzhu Shilong, initially fearing that he was not capable for the position, spent much time and energy studying the laws and regulations, and reformed the system so that it was no longer strictly seniority-based.