《后汉书·列传·文苑列传下》
这时京兆第五永为督军御史，使督幽州，百官大会，在长乐观设酒送别。
时，京兆第五永为督军御史，使督幽州。百官大会，祖饯于长乐观。
At this time, Wu Yong, the Inspector of the Capital, was made Supervisor of Youzhou. All the officials gathered at the Changguan Pavilion to host a farewell banquet for him.