Fatal error: Uncaught Error: Class 'think\Exception' not found in C:\web\qhzyy\vendor\karsonzhang\fastadmin-addons\src\addons\AddonException.php:11 Stack trace: #0 {main} thrown in C:\web\qhzyy\vendor\karsonzhang\fastadmin-addons\src\addons\AddonException.php on line 11