Text-Language detect error when mixed traditional chinese and uppercase letters.

# Question
For text data, ** language detect make errors ** when meeting traditional chinese and uppercase letters.

# Description
> t=我有一个梦想, lang=zh-cn
t=I have a dream, lang=en
t=我有一個夢想, lang=ko
t=我有一個夢想並且翻譯為I HAVE A DREAM., lang=ko
t=我有一个梦想并且翻译为I HAVE A DREAM., lang=vi
t=我有一个梦想并且翻译为i have a dream., lang=en
t=I HAVE A DREAM, lang=hu
t=IHAVEADREAM, lang=id
t=ihaveadream, lang=en