Solve the problem that zxing's QR code contains Chinese garbled code

problem ：
Use zxing Generate QR Code time , Because of the original string It contains Chinese , When scanning QR code , Chinese will appear “???” problem .
Solution ：
1、 download zxing：GitHub The address of ：GitHub Download address
2、 I use .NET by 4.0 edition , So find the file shown below , Pictured ：

3、 Open file , Change the following encoding method to ：

// original 
internal static String DEFAULT_BYTE_MODE_ENCODING = "ISO-8859-1";
// After modification 
internal static String DEFAULT_BYTE_MODE_ENCODING = "UTF-8";

4、 Selected items , To regenerate the dll. Re reference in the project .