2.2.2 遇到非常多的 crash，内容为：
Crashed: com.apple.main-thread
0 niuwa 0x101f9e158 std::__1::__hash_iterator<std::__1::__hash_node<std::__1::__hash_value_type<se::Object*, void*>, void*>> std::__1::__hash_table<std::__1::__hash_value_type<se::Object, void*>, std::__1::__unordered_map_hasher<se::Object*, std::__1::__hash_value_type<se::Object*, void*>, std::__1::hashse::Object*, true>, std::__1::__unordered_map_equal<se::Object*, std::__1::__hash_value_type<se::Object*, void*>, std::__1::equal_tose::Object*, true>, std::__1::allocator<std::__1::__hash_value_type<se::Object*, void*> > >::findse::Object*(se::Object* const&) + 4333101400
1 niuwa 0x101f9c5e4 se::Object::~Object() + 4333094372
2 niuwa 0x101f9c64c se::Object::~Object() + 4333094476
3 niuwa 0x101e9c0c8 se::Value::reset(se::Value::Type) + 4332044488
4 niuwa 0x101e9c8e4 se::Value::~Value() + 4332046564
5 libsystem_c.dylib 0x1a04f7bb4 __cxa_finalize_ranges + 384
6 libsystem_c.dylib 0x1a04f7ec4 exit + 24
7 UIKitCore 0x1ccc72fec -[UIApplication terminateWithSuccess] + 466
8 UIKitCore 0x1cc52ed7c __98-[__UICanvasLifecycleMonitor_Compatability deactivateEventsOnly:withContext:forceExit:completion:]_block_invoke.261 + 344
9 UIKitCore 0x1ccc770ac _runAfterCACommitDeferredBlocks + 296
10 UIKitCore 0x1ccc65bfc _cleanUpAfterCAFlushAndRunDeferredBlocks + 352
11 UIKitCore 0x1ccc92a6c _afterCACommitHandler + 116
12 CoreFoundation 0x1a09934fc CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION + 32
13 CoreFoundation 0x1a098e224 __CFRunLoopDoObservers + 412
14 CoreFoundation 0x1a098e7a0 __CFRunLoopRun + 1228
15 CoreFoundation 0x1a098dfb4 CFRunLoopRunSpecific + 436
16 GraphicsServices 0x1a2b8f79c GSEventRunModal + 104
17 UIKitCore 0x1ccc6bc38 UIApplicationMain + 212
18 niuwa 0x100f55e50 main + 4316028496 (:4316028496)
19 libdyld.dylib 0x1a04518e0 start + 4