add bilibili link

sigs/modelzoo/meetings/001-20200516.md

@@ -19,7 +19,7 @@
 * Participants: Ying Jiangyong, Cao Jiewen, Guo Qi, Liang Chenghui, Chen Haozhe, Liu Liyan, Huang Zhipeng
 * Give some suggestions on the introduction template and the directory structure of the source code, and agree with these modifications.
 * The meeting video can be found:
-> 1. BiliBili: https://www.bilibili.com/video/BV1dt4y1m7tX
+> 1. BiliBili: https://b23.tv/uRGVHG
 > 2. Youtube: https://youtu.be/k-rdZEZcoWg
 
 ## Action items