《资治通鉴·陈纪·陈纪三》
太上皇听说之后，派人去搜导，发现仓库里放着几百件长矛和旗幡，太上皇认为这是图谋造反的用具，便逮捕他加以审讯。
上皇闻之，使搜之，得填库槊幡数百。上皇以为反具，收讯。
The retired Emperor heard about it and sent people to search, found hundreds of spears and banners in the warehouse, the retired Emperor believed that these were tools for plotting a rebellion, so he arrested and interrogated him.