done: {"basic":"Basic","email":"Email","dictionary":"Dictionary","user":"User","example":"Example","prediction":"预测图片"}
<br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function fetchAll() on bool in C:\xampp\htdocs\6  49\htdocs\fix_config.php:15
Stack trace:
#0 {main}
  thrown in <b>C:\xampp\htdocs\6  49\htdocs\fix_config.php</b> on line <b>15</b><br />