Lost connection to API on CentOS 7

Help Synology
10

%E5%9B%BE%E7%89%87
%E5%9B%BE%E7%89%871519×1045 323 KB

%E5%9B%BE%E7%89%87
%E5%9B%BE%E7%89%871523×1018 380 KB

Is that so? What do I need to do next?