先限制後臺的數量
先限制後臺的數量

#430
sih4sing5hong5/tai5-uan5_gian5-gi2_phing5-tai5,sih4sing5hong5/tai5-uan5_gian5-gi2_phing5-tai5,sih4sing5hong5/tai5-uan5_gian5-gi2_phing5-thai5,sih4sing5hong5/tai5-uan5_gian5-gi2_phing5-tai5