当我尝试通过以下请求通过ApsaraDB API列出实例中的数据库时
GET https://rds.aliyuncs.com/?AccessKeyId=＆Action = DescribeDatabases＆DBInstanceId = rm-4xo64l2167q82oub5＆Format = JSON＆SignatureMethod = HMAC-SHA1＆SignatureNonce = df1c88d3-4d62-5g09-a7fe-f86794439e85＆SignatureVersion = 1.0＆Timestamp = 2018-09-21T13％3 21
投掷
{“ RequestId”：“ 490FFAAE-573B-67W0-B7AC-68E2A74CA024”，“ HostId”：“ rds.eu-central-1.aliyuncs.com”，“ Code”：“ InternalError”，“ Message”： “由于某些未知的错误，异常或失败，请求处理失败。”}