Matching: Fix a bug when the config is unicode.
Matching: Fix a bug when the config is unicode.

OpenBoxProject/obsi,DeepnessLab/obsi,OpenBoxProject/obsi,pavel-lazar/obsi,pavel-lazar/obsi,pavel-lazar/obsi,OpenBoxProject/obsi,DeepnessLab/obsi,pavel-lazar/obsi,DeepnessLab/obsi,DeepnessLab/obsi,OpenBoxProject/obsi