Undefined variable $info

Call Stack

1. in QrcodeLogic.php line 51
2. at Error->appError() in QrcodeLogic.php line 51
3. at QrcodeLogic->__construct() in Index.php line 24
4. at Index->index()
5. at ReflectionMethod->invokeArgs() in Container.php line 348
6. at Container->invokeReflectMethod() in Dispatch.php line 178
7. at Dispatch->think\route\{closure}() in Pipeline.php line 59
8. at Pipeline->think\{closure}() in Pipeline.php line 66
9. at Pipeline->then() in Dispatch.php line 181
10. at Dispatch->responseWithMiddlewarePipeline() in Controller.php line 88
11. at Controller->exec() in Dispatch.php line 56
12. at Dispatch->run() in Route.php line 713
13. at Route->think\{closure}() in Pipeline.php line 59
14. at Pipeline->think\{closure}() in Pipeline.php line 66
15. at Pipeline->then() in Route.php line 714
16. at Route->dispatch() in Http.php line 208
17. at Http->dispatchToRoute() in Http.php line 198
18. at Http->think\{closure}() in Pipeline.php line 59
19. at Pipeline->think\{closure}() in MultiApp.php line 51
20. at MultiApp->think\app\{closure}() in Pipeline.php line 59
21. at Pipeline->think\{closure}() in Pipeline.php line 66
22. at Pipeline->then() in MultiApp.php line 52
23. at MultiApp->handle()
24. at call_user_func() in Middleware.php line 134
25. at Middleware->think\{closure}() in Pipeline.php line 85
26. at Pipeline->think\{closure}() in LirenCheck.php line 59
27. at LirenCheck->handle()
28. at call_user_func() in Middleware.php line 134
29. at Middleware->think\{closure}() in Pipeline.php line 85
30. at Pipeline->think\{closure}() in Throttle.php line 135
31. at Throttle->handle()
32. at call_user_func() in Middleware.php line 134
33. at Middleware->think\{closure}() in Pipeline.php line 85
34. at Pipeline->think\{closure}() in TraceDebug.php line 71
35. at TraceDebug->handle()
36. at call_user_func() in Middleware.php line 134
37. at Middleware->think\{closure}() in Pipeline.php line 85
38. at Pipeline->think\{closure}() in Pipeline.php line 66
39. at Pipeline->then() in Http.php line 199
40. at Http->runWithRequest() in Http.php line 162
41. at Http->run() in index.php line 20