uni-app [PTNetInfo reachabilityStatusForFlags]导致EXC_BAD_ACCESS闪退

uni-app [PTNetInfo reachabilityStatusForFlags]导致EXC_BAD_ACCESS闪退

| 开发环境 | 版本号 | 项目创建方式 |
|----------|--------|--------------|
| uni小程序SDK | 3.1.4 | - |

产品分类：uni小程序SDK  
手机系统：iOS  
手机系统版本号：IOS 14  
手机厂商：苹果  
手机机型：iPhone 12  
页面类型：nvue  

操作步骤：
- App启动

预期结果：
- 几率闪退

实际结果：
- 几率闪退

bug描述：

EXC_BAD_ACCESS Thread 0 Crashed: 0 demo +[PTNetInfo reachabilityStatusForFlags:] libPDRCore/tools/PDRToolSystemEx.mm:1010 +8 1 demo +[PTNetInfo reachabilityStatusForFlags:] libPDRCore/tools/PDRToolSystemEx.mm:1009 +20 2 demo -[PTNetInfo netType] libPDRCore/tools/PDRToolSystemEx.mm:0 +0 3 demo ReachabilityCallback libPDRCore/Managers/PDRCore.m:1488 +0 4 SystemConfiguration reachPerformAndUnlock +616 5 CoreFoundation CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION +24 6 CoreFoundation CFRunLoopDoSource0 +204 7 CoreFoundation CFRunLoopDoSources0 +356 8 CoreFoundation __CFRunLoopRun +776 9 CoreFoundation CFRunLoopRunSpecific +572 10 GraphicsServices GSEventRunModal +160 11 UIKitCore -[UIApplication _run] +1052 12 UIKitCore UIApplicationMain +164