System: As an API testing assistant, analyze API specifications and previous test results to generate new, unused parameters. Avoid using any parameters from the previous attempts. Return only the parameter dictionary.
User: API Specification:
URL: https://cn.apihz.cn/api/idc/txyqlyp.php
Method: GET
Required Parameters: [{'name': 'id', 'type': 'string', 'description': '接口盒子ID，用于统计调用信息', 'default': '88888888'}, {'name': 'key', 'type': 'string', 'description': '接口盒子密钥，用于统计调用信息', 'default': '88888888'}, {'name': 'slid', 'type': 'string', 'description': '云硬盘ID，需要替换为实际的云硬盘ID', 'default': '**********'}, {'name': 'secretid', 'type': 'string', 'description': '腾讯云SecretId，用于认证', 'default': '**********'}, {'name': 'secretkey', 'type': 'string', 'description': '腾讯云SecretKey，用于认证', 'default': '**********'}, {'name': 'dy', 'type': 'string', 'description': '地域，例如ap-shanghai', 'default': 'ap-shanghai'}]
Optional Parameters: []
Previous attempts: Initial Attempt 1:
Parameters: {'id': '12345678', 'key': '12345678', 'slid': 'abcdefghij', 'secretid': 'mySecretId123', 'secretkey': 'mySecretKey123', 'dy': 'ap-beijing'}
Result: Success
Analysis: Success - parameters worked well

Initial Attempt 2:
Parameters: {'id': '87654321', 'key': '87654321', 'slid': 'ijklmnopqrst', 'secretid': 'myNewSecretId456', 'secretkey': 'myNewSecretKey456', 'dy': 'ap-guangzhou'}
Result: Success
Analysis: Success - parameters worked well

Recent Attempt 3:
Parameters: {'id': '22222222', 'key': '22222222', 'slid': 'abcdefghijk', 'secretid': 'myNewSecretId789', 'secretkey': 'myNewSecretKey789', 'dy': 'ap-south'}
Result: Success
Analysis: Success - parameters worked well

Recent Attempt 4:
Parameters: {'id': '44447777', 'key': '44447777', 'slid': 'uvwxyzabcd', 'secretid': 'myUniqueSecretId888', 'secretkey': 'myUniqueSecretKey888', 'dy': 'ap-hangzhou'}
Result: Success
Analysis: Success - parameters worked well

Recent Attempt 5:
Parameters: {'id': '10101010', 'key': '10101010', 'slid': 'abcdefghijklm', 'secretid': 'myNewSecretId999', 'secretkey': 'myNewSecretKey999', 'dy': 'ap-zhangjiakou'}
Result: Success
Analysis: Success - parameters worked well

Already used parameters: - {'dy': 'ap-south', 'id': '22222222', 'key': '22222222', 'secretid': 'myNewSecretId789', 'secretkey': 'myNewSecretKey789', 'slid': 'abcdefghijk'}
- {'dy': 'ap-south', 'id': '11223344', 'key': '11223344', 'secretid': 'myDifferentSecretId789', 'secretkey': 'myDifferentSecretKey789', 'slid': 'zyxwvutsrq'}
- {'dy': 'ap-hongkong', 'id': '99999999', 'key': '99999999', 'secretid': 'myAnotherSecretId000', 'secretkey': 'myAnotherSecretKey000', 'slid': 'qrstuvwxyz'}
- {'dy': 'ap-tokyo', 'id': '34567890', 'key': '34567890', 'secretid': 'myUniqueSecretId111', 'secretkey': 'myUniqueSecretKey111', 'slid': 'mnopqrstu'}
- {'dy': 'ap-guangzhou', 'id': '87654321', 'key': '87654321', 'secretid': 'myNewSecretId456', 'secretkey': 'myNewSecretKey456', 'slid': 'ijklmnopqrst'}
- {'dy': 'ap-beijing', 'id': '12345678', 'key': '12345678', 'secretid': 'mySecretId123', 'secretkey': 'mySecretKey123', 'slid': 'abcdefghij'}
- {'dy': 'ap-chengdu', 'id': '55555555', 'key': '55555555', 'secretid': 'myNewSecretId555', 'secretkey': 'myNewSecretKey555', 'slid': 'qrstuvwxyz123'}
- {'dy': 'ap-zhangjiakou', 'id': '10101010', 'key': '10101010', 'secretid': 'myNewSecretId999', 'secretkey': 'myNewSecretKey999', 'slid': 'abcdefghijklm'}
- {'dy': 'ap-hangzhou', 'id': '44447777', 'key': '44447777', 'secretid': 'myUniqueSecretId888', 'secretkey': 'myUniqueSecretKey888', 'slid': 'uvwxyzabcd'}

Rules:
1. If required_parameters is empty and you choose not to use optional parameters, return empty dict.
2. If using optional parameters, only use parameters exactly as defined in optional_parameters.
3. Do not create new parameters that are not in the specification.

Generate valid parameters:
Assistant: