1.-[__NSArrayM insertObject:atIndex:]: object cannot be nil
===》You can not insertnilin to anNSArrayor aNSDictionaryso you have to add a test.
===》if(str==nil||[str isKindOfClass:[NSNullnull]]) {[array addObject:@""]; }else{[array addObject:str];}
1.-[__NSArrayM insertObject:atIndex:]: object cannot be nil
===》You can not insertnilin to anNSArrayor aNSDictionaryso you have to add a test.
===》if(str==nil||[str isKindOfClass:[NSNullnull]]) {[array addObject:@""]; }else{[array addObject:str];}
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