//Unicode转中文
+ (NSString *)replaceUnicode:(NSString *)unicodeStr{
    NSString *tempStr1 = [unicodeStr stringByReplacingOccurrencesOfString:@"\\u"withString:@"\\U"];
    NSString *tempStr2 = [tempStr1 stringByReplacingOccurrencesOfString:@"\""withString:@"\\\""];
    NSString *tempStr3 = [[@"\"" stringByAppendingString:tempStr2]stringByAppendingString:@"\""];
    NSData *tempData = [tempStr3 dataUsingEncoding:NSUTF8StringEncoding];
    NSString *returnStr = [NSPropertyListSerialization propertyListFromData:tempData
                                                          mutabilityOption:NSPropertyListImmutable
                                                                    format:NULL
                                                          errorDescription:NULL];
    return [returnStr stringByReplacingOccurrencesOfString:@"\\r\\n"withString:@"\n"];
}