API_KEY: "v6Bij6G6gIwmFbas4hd1D8e5"
SECRET_KEY: "CKvKv1S1u7QXcVNASGEek7NVtmoBIucc"
URL: https://aip.baidubce.com/oauth/2.0/token?grant_type=client_credentials&client_id=v6Bij6G6gIwmFbas4hd1D8e5&client_secret=CKvKv1S1u7QXcVNASGEek7NVtmoBIucc