term-plus-el doesn't work on Emacs 26.1

[ywatanabe1989]

I used term-plus-el on Emacs 24.4. It was perfectly correct!
However, it doesn't work on Emacs 26.1.
I want to use term-plus-el on Emacs 26.1, too.
Could you give me some hints to fix the following errors?
I wrote some config on ~/.emacs/init.el (see below)

;; Term+
(require 'xterm-256color)
(require 'term+key-intercept)
(require 'term+mode)
(require 'term+mux)
(eval-after-load 'evil
'(progn (require 'term+evil)
(when (featurep 'term+mode)(require 'multi-mode+evil))))
(require 'term+anything-shell-history)
;(define-key global-map (kbd "C-S-a") 'ansi-term)
(define-key global-map (kbd "C-S-a") (lambda () (interactive) (ansi-term "/bin/bash")))
(define-key term+char-map (kbd "C-t") 'nil)
(define-key term+char-map (kbd "C-k") 'kill-line)

However, errors arise when I open emacs.

Warning (bytecomp): reference to free variable ‘term-vertical-motion’
Warning (bytecomp): reference to free variable ‘count’
Warning (bytecomp): ‘((symbol-function (quote term-insert-char)) (symbol-function (quote term-fill-char)))’ is a malformed function
Warning (bytecomp): reference to free variable ‘term-terminal-parameter’
Warning (bytecomp): reference to free variable ‘term-scroll-end’
Warning (bytecomp): reference to free variable ‘term-width’
Error (bytecomp): missing value for ‘end’ at end of setq