( ! ) Fatal error: Uncaught Error: Class 'think\db\Connection' not found in C:\wamp64\www\ucenter\vendor\topthink\think-orm\src\db\connector\Mongo.php on line 40
( ! ) Error: Class 'think\db\Connection' not found in C:\wamp64\www\ucenter\vendor\topthink\think-orm\src\db\connector\Mongo.php on line 40
Call Stack
#	Time	Memory	Function	Location
1	0.0002	362824	{main}( )	...\Mongo.php:0