WebSocket Error Code
| Error Message | Error Code |
|---|---|
| Channel does not exist | 30001 |
| Illegal request | 30002 |
| Invalid op | 30003 |
| User needs to log in | 30004 |
| Login failed | 30005 |
| request too many | 30006 |
| request over limit,connection close | 30007 |
| Invalid ACCESS_KEY | 30011 |
| Invalid ACCESS_PASSPHRASE | 30012 |
| Invalid ACCESS_TIMESTAMP | 30013 |
| Request timestamp expired | 30014 |
| Invalid signature | 30015 |
| Param error | 30016 |