！！IAM 系统错误码列表，由 codegen -type=int -doc 命令生成，不要对此文件做任何更改。
如果返回结果中存在 code 字段，则表示调用 API 接口失败。例如：
{
"code": 100101,
"message": "Database error"
}上述返回中 code 表示错误码，message 表示该错误的具体信息。每个错误同时也对应一个 HTTP 状态码，比如上述错误码对应了 HTTP 状态码 500(Internal Server Error)。
IAM 系统支持的错误码列表如下：
| Identifier | Code | HTTP Code | Description |
|---|---|---|---|
| ErrUserNotFound | 110001 | 404 | User not found |
| ErrUserAlreadyExist | 110002 | 400 | User already exist |
| ErrReachMaxCount | 110101 | 400 | Secret reach the max count |
| ErrSecretNotFound | 110102 | 404 | Secret not found |
| ErrSuccess | 100001 | 200 | OK |
| ErrUnknown | 100002 | 500 | Internal server error |
| ErrBind | 100003 | 400 | Error occurred while binding the request body to the struct |
| ErrValidation | 100004 | 400 | Validation failed |
| ErrTokenInvalid | 100005 | 401 | Token invalid |
| ErrDatabase | 100101 | 500 | Database error |
| ErrEncrypt | 100201 | 401 | Error occurred while encrypting the user password |
| ErrSignatureInvalid | 100202 | 401 | Signature is invalid |
| ErrExpired | 100203 | 401 | Token expired |
| ErrInvalidAuthHeader | 100204 | 401 | Invalid authorization header |
| ErrMissingHeader | 100205 | 401 | The Authorization header was empty |
| ErrorExpired | 100206 | 401 | Token expired |
| ErrPasswordIncorrect | 100207 | 401 | Password was incorrect |
| ErrPermissionDenied | 100208 | 403 | Permission denied |
| ErrEncodingFailed | 100301 | 500 | Encoding failed due to an error with the data |
| ErrDecodingFailed | 100302 | 500 | Decoding failed due to an error with the data |
| ErrInvalidJSON | 100303 | 500 | Data is not valid JSON |
| ErrEncodingJSON | 100304 | 500 | JSON data could not be encoded |
| ErrDecodingJSON | 100305 | 500 | JSON data could not be decoded |
| ErrInvalidYaml | 100306 | 500 | Data is not valid Yaml |
| ErrEncodingYaml | 100307 | 500 | Yaml data could not be encoded |
| ErrDecodingYaml | 100308 | 500 | Yaml data could not be decoded |