Cannot GET /category/%25E3%2582%25AF%25E3%2583%25AD%25E3%2582%25B9%25E3%2583%2597%25E3%2583%25A9%25E3%2583%2583%25E3%2583%2588%25E3%2583%2595%25E3%2582%25A9%25E3%2583%25BC%25E3%2583%25A0%25E9%2596%258B%25E7%2599%25BA