Deprecated: Automatically populating $HTTP_RAW_POST_DATA is
deprecated and will be removed in a future version. To avoid this
warning set 'always_populate_raw_post_data' to '-1' in php.ini and use
the php://input stream instead. in unknown on line 0
Warning: Cannot modify header information - headers already sent in unknown on line 0
解决方案：
打开php.ini配置文件，找到以下代码
;always_populate_raw_post_data = -1
改成
always_populate_raw_post_data = -1