问录音文件识别请求,API使用post和get请求都报错,谁能帮我？

get请求内容:

https://asr.tencentcloudapi.com/?Action=CreateRecTask&ChannelNum=1&EngineModelType=8k_0&ResTextFormat=0&SourceType=0&Url=http%253A%252F%252F122.143.21.62%253A8888%252Fdumwx%252Fvdrom%252F201912%252Fq603-20191113-200009-1573646409.123.mp3&Version=2019-06-14

post请求:

请求头:

curl -X POST https://asr.tencentcloudapi.com -H "Authorization: TC3-HMAC-SHA256 Credential=AKIDYaNvMXe9uPdjhgcbT5SbUAhxxjHfQnSv/2019-12-26/asr/tc3_request, SignedHeaders=content-type;host, Signature=ee655ef6499c16900ecb075676f272236727518035b4c64e157c7859cbdfb4b3" -H "Content-Type: application/json; charset=utf-8" -H "Host: asr.tencentcloudapi.com" -H "X-TC-Action: CreateRecTask" -H "X-TC-Timestamp: 1577364877" -H "X-TC-Version: 2019-06-14"

请求体:

{"EngineModelType":"8k_0","Action":"CreateRecTask","Url":"http%3A%2F%2F122.143.21.62%3A8888%2Fdumwx%2Fvdrom%2F201912%2Fq603-20191113-200009-1573646409.123.mp3","ResTextFormat":0,"SourceType":0,"Version":"2019-06-14","ChannelNum":2}

不论post还是get都报错一样的结果:

{"Response":{"Error":{"Code":"UnknownParameter","Message":"The parameter `Action` is not recognized."},"RequestId":"3a16c871-117f-474e-bba7-9a06b617823e"}}

那位大神指点下,感激不尽哦!