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: http://fkapi.rjk66.cn/sjsvip/sjvip.php
Method: GET
Required Parameters: [{'name': 'uin', 'type': 'string', 'description': '用户唯一标识', 'default': ''}, {'name': 'skey', 'type': 'string', 'description': '安全密钥，通常由服务器端提供', 'default': ''}, {'name': 'pskey', 'type': 'string', 'description': '安全密钥，通常由服务器端提供', 'default': ''}, {'name': 'type', 'type': 'int', 'description': '请求类型，用于指定API功能', 'default': '4'}]
Optional Parameters: []
Previous attempts: Initial Attempt 1:
Parameters: {'uin': 'new_user_identifier', 'skey': 'new_security_key', 'pskey': 'new_pskey_value', 'type': 5}
Result: Failed
Analysis: Failed - possible issues: API returned error: Expecting value: line 1 column 1 (char 0)

Initial Attempt 2:
Parameters: {'uin': 'unique_user_id_12345', 'skey': 'secure_key_67890', 'pskey': 'pskey_value_54321', 'type': 6}
Result: Failed
Analysis: Failed - possible issues: API returned error: Expecting value: line 1 column 1 (char 0)

Recent Attempt 3:
Parameters: {'uin': 'unique_user_id_99999', 'skey': 'secure_key_00001', 'pskey': 'new_pskey_value_00001', 'type': 9}
Result: Failed
Analysis: Failed - possible issues: API returned error: Expecting value: line 1 column 1 (char 0)

Recent Attempt 4:
Parameters: {'uin': 'unique_user_id_88888', 'skey': 'secure_key_11111', 'pskey': 'new_pskey_value_11111', 'type': 10}
Result: Failed
Analysis: Failed - possible issues: API returned error: Expecting value: line 1 column 1 (char 0)

Recent Attempt 5:
Parameters: {'uin': 'unique_user_id_77777', 'skey': 'secure_key_22222', 'pskey': 'new_pskey_value_22222', 'type': 4}
Result: Failed
Analysis: Failed - possible issues: API returned error: Expecting value: line 1 column 1 (char 0)

Already used parameters: - {'pskey': 'new_pskey_value_00001', 'skey': 'secure_key_00001', 'type': '9', 'uin': 'unique_user_id_99999'}
- {'pskey': 'pskey_value_54321', 'skey': 'secure_key_67890', 'type': '6', 'uin': 'unique_user_id_12345'}
- {'pskey': 'new_pskey_value_22222', 'skey': 'secure_key_22222', 'type': '4', 'uin': 'unique_user_id_77777'}
- {'pskey': 'new_pskey_value_11111', 'skey': 'secure_key_11111', 'type': '10', 'uin': 'unique_user_id_88888'}
- {'pskey': 'another_pskey_value_003', 'skey': 'different_security_key_002', 'type': '7', 'uin': 'another_user_id_001'}
- {'pskey': 'new_pskey_001', 'skey': 'new_secure_key_001', 'type': '4', 'uin': 'new_unique_user_001'}
- {'pskey': 'new_pskey_value', 'skey': 'new_security_key', 'type': '5', 'uin': 'new_user_identifier'}
- {'pskey': 'new_pskey_value_99999', 'skey': 'secure_key_98765', 'type': '8', 'uin': 'unique_user_id_54321'}
- {'pskey': 'pskey_value_67890', 'skey': 'secure_key_12345', 'type': '4', 'uin': 'user_identifier_98765'}

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: