Does not work with Chinese punctuation marks

[pengyuwei]

"auto-correct.dictionary": [
        {
            "languages": ["*"],
            "words": {
              "，": ",",
              "helloworld": "HelloWorld" 
            },
            "useLargeList": false
          },
    ]

intput "helloworld", get "HelloWorld" ,
bug when input "，", did not get an English comma as expected