请检查下参数的格式是否正确。最终发出的请求应该是类似这样的:
curl -L -g -X GET 'https://YOUR_API_DOMAIN/1.1/classes/Item?where={"user":{"$in":[{"__type":"Pointer","className":"_User","objectId":"62d26f6f8da3b150733648d0"},{"__type":"Pointer","className":"_User","objectId":"62d26f548da3b150733648ce"}]}}' \
-H 'X-LC-Id: YOUR_APP_ID' \
-H 'X-LC-Key: YOUR_APP_KEY'