这是我的代码：
id<MLBatchProvider> outBatch = [_model predictionsFromBatch:inBatch options:options error:error];
当应用程序位于前台时，我提交了批次预测，然后将其置于后台，然后将其置于前台，该应用程序崩溃了。
崩溃是：
最后的异常回溯：
0 CoreFoundation 0x00000001d427bea0 ___exceptionPreprocess + 228
1 libobjc.A.dylib 0x00000001d344da40 objc_exception_throw + 56
2 CoreFoundation 0x00000001d41f3470 _CFArgv + 0
3 CoreFoundation 0x00000001d4185f4c-[__ NSArrayM setObject：atIndexedSubscript：] + 704
4个CoreML 0x00000001e31273d4 ___ 53- [MLNeuralNetworkEngine EvaluationBatch：options：error：] _ block_invoke.649 + 928
5 libdispatch.dylib 0x00000001d3cb56c8 __dispatch_call_block_and_release + 24
6 libdispatch.dylib 0x00000001d3cb6484 __dispatch_client_callout + 16
7 libdispatch.dylib 0x00000001d3c5dbe0 __dispatch_lane_serial_drain $ VARIANT $ mp + 592
8 libdispatch.dylib 0x00000001d3c5e75c __dispatch_lane_invoke $ VARIANT $ mp + 484
9 libdispatch.dylib 0x00000001d3c66ec8 __dispatch_workloop_worker_thread + 600
10 libsystem_pthread.dylib 0x00000001d3e980dc _pthread_wqthread + 300
11 libsystem_pthread.dylib 0x00000001d3e9acec _start_wqthread + 4
异常类型：NSRangeException（SIGABRT）
异常代码：***-[__ NSArrayM setObject：atIndexedSubscript：]： 空数组在0x00000001d3e13104的范围超出索引12 线程：65