iOS离线工程启动的时候子线程调UI API

[wanyakun]

问题描述
iOS离线工程，启动的时候。子线程调用了UI API，堆栈如下
Main Thread Checker: UI API called on a background thread: -[UIView alpha]
PID: 34562, TID: 1979963, Thread name: com.taobao.weex.bridge, Queue name: com.apple.root.default-qos.overcommit, QoS: 0
Backtrace:
5 DCUniBase 0x00000001050c6aac -[PDRCoreAppFrame bulidJSOption] + 444
6 perf-ios.debug.dylib 0x0000000106a4c8ac -[PGUI JSWindow_Sync_getOption:] + 152
7 perf-ios.debug.dylib 0x0000000106a49450 -[PGUI syncExecMethod:] + 320
8 DCUniBase 0x00000001050deae0 -[PDRCoreFeature Execute:] + 288
9 DCUniBase 0x0000000105167b58 -[PDRCoreApp handleCmds:] + 104
10 DCUniBase 0x00000001050ca9c8 -[PDRCoreAppFrame webViewEnginde:didReceiveSyncScriptMessage:] + 108
11 DCUniBase 0x00000001052ddbec -[H5WeexWebview handleMessage:withObject:] + 148
12 DCUniBase 0x00000001052dceb8 __28-[H5WeexWebview refreshWeex]_block_invoke + 60
13 DCUniBase 0x0000000105309480 -[WXSDKInstance(DCPlusBridge) execSync:] + 96
14 DCUniBase 0x00000001052e008c -[PlusWeexModule execSync:] + 60
15 CoreFoundation 0x000000019f9c86c4 2F32D384-4637-3018-843E-4FC875B865C4 + 284356
16 CoreFoundation 0x000000019f9c8550 2F32D384-4637-3018-843E-4FC875B865C4 + 283984
17 DCUniBase 0x00000001052f1628 -[WXModuleMethod invoke] + 768
18 DCUniBase 0x0000000105265874 __42-[WXBridgeContext registerGlobalFunctions]_block_invoke_5.132 + 864
19 DCUniBase 0x0000000105332168 __43-[WXJSCoreBridge registerCallNativeModule:]_block_invoke + 468
20 CoreFoundation 0x000000019f9c86c4 2F32D384-4637-3018-843E-4FC875B865C4 + 284356
21 CoreFoundation 0x000000019f9c8550 2F32D384-4637-3018-843E-4FC875B865C4 + 283984
22 JavaScriptCore 0x00000001b4b51040 BCCDF4D2-2E84-3E2C-A101-99873667B1D9 + 979008
23 JavaScriptCore 0x00000001b4b7e730 BCCDF4D2-2E84-3E2C-A101-99873667B1D9 + 1165104
24 JavaScriptCore 0x00000001b4b7e9f4 BCCDF4D2-2E84-3E2C-A101-99873667B1D9 + 1165812
25 JavaScriptCore 0x00000001b62e9df0 jitCagePtr + 185448
26 JavaScriptCore 0x00000001b62e6388 jitCagePtr + 170496
27 JavaScriptCore 0x00000001b62e6388 jitCagePtr + 170496
28 JavaScriptCore 0x00000001b62e6388 jitCagePtr + 170496
29 JavaScriptCore 0x00000001b62e6388 jitCagePtr + 170496
30 JavaScriptCore 0x00000001b62e6388 jitCagePtr + 170496
31 JavaScriptCore 0x00000001b62e79e0 jitCagePtr + 176216
32 JavaScriptCore 0x00000001b62e79e0 jitCagePtr + 176216
33 JavaScriptCore 0x00000001b62e67e0 jitCagePtr + 171608
34 JavaScriptCore 0x00000001b62e79e0 jitCagePtr + 176216
35 JavaScriptCore 0x00000001b62bc6d8 JavaScriptCore + 25536216
36 JavaScriptCore 0x00000001b4cc1024 _ZN3JSC4callEPNS_14JSGlobalObjectENS_7JSValueERKNS_8CallDataES2_RKNS_7ArgListE + 324
37 JavaScriptCore 0x00000001b5c6f17c BCCDF4D2-2E84-3E2C-A101-99873667B1D9 + 18927996
38 JavaScriptCore 0x00000001b62e9d10 jitCagePtr + 185224
39 JavaScriptCore 0x00000001b62e79e0 jitCagePtr + 176216
40 JavaScriptCore 0x00000001b62bc6d8 JavaScriptCore + 25536216
41 JavaScriptCore 0x00000001b4cc1024 _ZN3JSC4callEPNS_14JSGlobalObjectENS_7JSValueERKNS_8CallDataES2_RKNS_7ArgListE + 324
42 JavaScriptCore 0x00000001b5c6f17c BCCDF4D2-2E84-3E2C-A101-99873667B1D9 + 18927996
43 JavaScriptCore 0x00000001b62e9d10 jitCagePtr + 185224
44 JavaScriptCore 0x00000001b62e7de4 jitCagePtr + 177244

我还没走到我们项目的App.vue里面的内容