Leak memory

[HieuLsw]

i was use xcode profile to check leak and i got leak memory. Please check and fix it :). Tks

[Hunter]

NSAttributedString+AvoidCrash.m
85行代码object = [self avoidCrashInitWithString:str attributes:attrs];
2Bytes

赶紧修复吧。内存泄露这么严重的问题都不知道修复。