各路开发大神吗，展现你们的聪明才智时候到了

总是随机崩溃，SIGABRT, 在 Dispatch queue: com.apple.network.connections 线程。关键这是系统的呀。
谁能解决或帮忙啊，有什么思路呢，求各种意见~~
有偿求助也可！

Thread 22 name: Dispatch queue: com.apple.network.connections
Thread 22 Crashed:
0 libsystem_kernel.dylib 0x00000001953edec4 __pthread_kill + 8
1 libsystem_pthread.dylib 0x000000019530d724 pthread_kill$VARIANT$armv81 + 216
2 libsystem_c.dylib 0x000000019525d844 abort + 100
3 libsystem_malloc.dylib 0x00000001952f6b80 _malloc_put + 0
4 libsystem_malloc.dylib 0x00000001952f6d38 malloc_report + 60
5 libsystem_malloc.dylib 0x00000001952ec124 free + 532
6 libnetwork.dylib 0x0000000197b900f8 -[NWConcrete_nw_endpoint dealloc] + 96
7 libnetwork.dylib 0x0000000197b8d310 -[NWConcrete_nw_address_endpoint dealloc] + 72
8 libnetwork.dylib 0x0000000197c120ac -[OS_nw_array dealloc] + 60
9 libnetwork.dylib 0x0000000197a83220 nw_protocol_definition_deallocate_cache_entry + 80
10 libnetwork.dylib 0x00000001979e62f8 __nw_association_is_empty_block_invoke + 76
11 libnetwork.dylib 0x0000000197af0b74 nw_hash_table_apply + 332
12 libnetwork.dylib 0x00000001979e604c nw_association_is_empty + 204
13 libnetwork.dylib 0x0000000197ba53b0 __nw_endpoint_has_associations_block_invoke + 28
14 libnetwork.dylib 0x0000000197af0b74 nw_hash_table_apply + 332
15 libnetwork.dylib 0x0000000197ba4f98 nw_endpoint_has_associations + 172
16 libnetwork.dylib 0x0000000197899cc4 __nw_context_purge_endpoints_block_invoke_2.88 + 40
17 libnetwork.dylib 0x0000000197af0b74 nw_hash_table_apply + 332
18 libnetwork.dylib 0x0000000197899b64 __nw_context_purge_endpoints_block_invoke.87 + 108
19 libnetwork.dylib 0x0000000197af0b74 nw_hash_table_apply + 332
20 libnetwork.dylib 0x00000001978994d8 nw_context_purge_endpoints + 984
21 libdispatch.dylib 0x00000001952c3184 _dispatch_client_callout + 16
22 libdispatch.dylib 0x000000019529ce8c _dispatch_continuation_pop$VARIANT$armv81 + 404
23 libdispatch.dylib 0x00000001952ad02c _dispatch_source_invoke$VARIANT$armv81 + 1232
24 libdispatch.dylib 0x00000001952a227c _dispatch_workloop_invoke$VARIANT$armv81 + 1736
25 libdispatch.dylib 0x00000001952aa43c _dispatch_workloop_worker_thread + 576
26 libsystem_pthread.dylib 0x0000000195312b88 _pthread_wqthread + 276
27 libsystem_pthread.dylib 0x0000000195315760 start_wqthread + 8