the detail info is ****:
SIGSEGV: 0xffffff81ece07608 0x0 + 8268181504
App main
0 0 0x00000001018de5c8 -[CKCrashReporter recordCrashWithSignal:]
1 1 0x00000001018e15cc SignalHandler
2 2 libsystem_platform.dylib 0x000000021716fafc 93D52E6D-C21D-3BC4-9C49-EBF71987F78C + 8977309696
3 3 WebKitLegacy 0xffffff81ece07608 0x0 + 8268181504
4 4 WebKitLegacy 0x00000001ece07608 5BEE83EA-6DB3-357D-A484-0555DAE5C1B8 + 8268181504
5 5 CoreFoundation 0x000000018fbd6e14 7AD2298D-5B8F-3AF4-9EED-B09B8E0A9653 + 6706372608
6 6 CoreFoundation 0x000000018fbd6bb8 7AD2298D-5B8F-3AF4-9EED-B09B8E0A9653 + 6706372608
7 7 CoreFoundation 0x000000018fc05bd8 7AD2298D-5B8F-3AF4-9EED-B09B8E0A9653 + 6706372608
8 8 CoreFoundation 0x000000018fc05368 CFRunLoopRunSpecific + 6706372608
9 9 GraphicsServices 0x00000001dbdf81c4 GSEventRunModal + 7983820800
10 10 UIKitCore 0x00000001927529b0 D2E47210-1C46-3CA7-BBC2-35021B146A13 + 6748045312
11 11 UIKitCore 0x0000000192800d54 UIApplicationMain + 6748045312
12 12 QunariPhone_Cook_CM 0x00000001000b4080 main
13 13 dyld 0x00000001b5e40734 94AF19E0-4F2A-332F-A08C-04B9B7CB6FAC + 210740