| 0040005 | missing param '%s' |
| 0040301 | access denied, sign error |
| 0040302 | access denied, client_id error |
| 0040303 | access denied, key expired |
| 0040304 | access denied, secret error |
| 0040305 | access denied, app error |
| 0040306 | access denied, app is disabled |
| 0040307 | access denied, sign_time format error |
| 0040308 | access denied, sign_time is out of date |
| 0040309 | access denied, app can not call the api |
| 0040310 | access denied, oauth access token required |
| 0040311 | access denied, out of limit, waiting for %d seconds |
| 0040312 | access denied, username password are not match |
| 0040400 | api not exists |
| 0040401 | method not exists |
| 0050400 | backend error |