GoSDK should throw error if it fail to connect to master.

[TszKitLo40]

Expected behavior

Tell us what should happen
GoSDK should throw error if it fail to connect to master.

Actual behavior

GoSDK does not throw error if it fail to connect to master.
Tell us what happens instead

Steps to reproduce

How can we reproduce the issue

System configuration

InLong version: 0.11.0

[gosonzhang]

3 questions:

1. Not start the server and only start the client, the client does not check whether the registration is successful and then go to the next status;
2. Started the server, the client does not respond to the registration event of the master after registering the master;
3. The client did not re-register the Master after the Master restarted