curl --location --request POST 'https://api.cphone.vip/v1beta/models/gemini-2.5-flash-image-preview:generateContent' \
--header 'Accept: application/json' \
--header 'Authorization: Bearer {token}' \
--header 'Content-Type: application/json' \
--data-raw '{
"contents": [
{
"role": "user",
"parts": [
{
"text": "一只睡觉的猫"
}
]
}
],
"generationConfig": {
"responseModalities": [
"TEXT",
"IMAGE"
],
"imageConfig": {
"aspectRatio": "16:9",
"imageSize": "1K"
}
}
}'

{"error":{"message":"Request contains an invalid argument.","type":"api_error","param":"","code":400}}%

为什么