Mac反编 signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x0
signal11(SIGSEGV),code1(SEGV_MAPERR),faultaddr0x0Cause:nullpointerdereferencex000000071f003b5d0x100000071f003f830x200000071f003b938x300000071f003f830x4000000000000000ax500000072776f5718x60000000000000