[IOS] Using the official example project, xcode11 compilation error on iphone11 simulator

hello，when i use this version, my project will keep on splash page,can not past.
use official example, plugin version:1.3.4, also can not past splash pages;

Here is log
` 0x10a934ff0 <+48>: callq 0x10b121af4 ; symbol stub for: std::__1::mutex::lock()
0x10a934ff5 <+53>: movq 0xb0(%rbx), %rax
0x10a934ffc <+60>: leaq (%r15,%r15,2), %rcx
0x10a935000 <+64>: leaq 0x8(%rax,%rcx,8), %r15
0x10a935005 <+69>: movq -0x8(%r15), %rbx
0x10a935009 <+73>: cmpq %r15, %rbx
0x10a93500c <+76>: je 0x10a935058 ; <+152>
0x10a93500e <+78>: movq 0x50(%rbx), %rdi
0x10a935012 <+82>: testq %rdi, %rdi
0x10a935015 <+85>: je 0x10a935068 ; <+168>
-> 0x10a935017 <+87>: movq (%rdi), %rax io.flutter.1.ui (9): EXC_BAD_ACCESS (code=1, address=0x1)
0x10a93501a <+90>: callq *0x30(%rax)
0x10a93501d <+93>: movq 0x8(%rbx), %rcx
`

xcode11 console log
2020-03-27 13:24:06.132654+0800 Runner[43030:189514] MAXIMUM_CONCURRENT_TASKS = 5
2020-03-27 13:24:06.148272+0800 Runner[43030:189514] init NSURLSession with id: com.relan.jjnbTest.download.background.1585286646.132853
2020-03-27 13:24:06.148414+0800 Runner[43030:189514] AllFilesDownloadedMessage: All files have been downloaded
2020-03-27 13:24:06.485084+0800 Runner[43030:189514] methodCallHandler: initialize
2020-03-27 13:24:06.485409+0800 Runner[43030:189514] startBackgroundIsolate
no more logs!

Running on the android studio editor, iphone11(13.0) enters the startup page, which will black out the screen to access the main page

Remove initialization and associated code, compile normally on xcode, and display normally on iphone

please help me and reply me
thanks!