error: url=http://192.168.1.133:8089 domain=NSURLErrorDomain code=-1001 description=The request timed out.
error: url=http://192.168.1.135:8089/status domain=NSURLErrorDomain code=-1001 description=The request timed out.
It looks like either your network is not reliable, or your IP on your DVR laptop keeps changing.
You should login to your router and setup a static DHCP rule for your DVR so it keeps the same IP. It's also recommended to do the same for your HDHR.