Update meeting summary

sigs/security/meetiings/001-20200604.md

@@ -6,7 +6,7 @@
 * Investigation of differential privacy algorithms based one other mechanisms such as laplace
 
 ## Conference links
-* 
+* https://welink-meeting.zoom.us/j/702349009
 
 ## Attendees 
 * Wang Ze (Huawei)
@@ -16,13 +16,19 @@
 * Yang Yuan (Huawei)
 * Zheng Huanhuan (Huawei)
 * Jin Xiulang (Huawei)
+* Xie Chaohui (Huawei)
+* Li Yanjun (Huawei), etc
 
 ## Notes
-* Participants: Wang Ze, Lv Zhangcheng, Liu Liu, Liu Zhidan, Yang Yuan, Zheng Huanhuan, Jin Xiulang
+* Participants: Wang Ze, Liu Liu, Liu Zhidan, Yang Yuan, Zheng Huanhuan, Jin Xiulang, Xie Chaohui, Li Yanjun, etc
 * The meeting video can be found:
 > 1. BiliBili: 
 > 2. Youtube: 
 * If we change the interface in the future, we should check all the projects which refer to the interface. Maybe command 'grep' is a choice to find all the interface code
 
 ## Action items
-* None
+* Organize a meeting about the neural fuzzing solution
+* List of supported optimizer methods
+* Differential privacy performance under other networks
+* Unified interface under pynative mode and graph mode
+* The result of training speed and accuracy under graph mode