pallet-install失败（day8)

[zhumingpassional]

请教个问题，安装完cask, pallet之后，
执行
space: pallet-mode 正常
space: pallet-init 正常
space: pallet-install 报错如下，请问怎么解决？是哪里出问题了？谢谢

Debugger entered--Lisp error: (void-function cask-initialize)
cask-initialize()
pallet--cask-up(#f(compiled-function (bundle) #<bytecode 0x1c0c84a76160af6>))
pallet-install()
funcall-interactively(pallet-install)
call-interactively(pallet-install record nil)
command-execute(pallet-install record)
counsel-M-x-action("pallet-install")
ivy-call()
ivy-read("M-x " [org-capture-goto-last-stored 0 evil-find-file-at-point-visual js2-namespace-import-node-len otama dashboard-ls Set\ Slice org-clock-get-sum-start speedbar-check-vc-this-line Reduce\ To:\ to\ Cc: traverse c-electric-lt-gt package-build--find-version-newest cask-bundle-patterns zmq dired-unmark-all-marks znc org-pomodoro-overtime-hook speedbar-file-regexp f-ancestor-of? mc/for-each-fake-cursor helm-show-kill-ring message-expand-name-databases info--manual-names 0 nnoo-map-functions Hiragino\ Kaku\ Gothic\ StdN compilation-error-list kmacro-pop-ring1 which-key--stop-timer nexus vc-annotate text-property--find-end-backward xref--push-markers 0 nswbuff evil-exit-visual-and-repeat swiper-include-line-number-in-search gnus-summary-limit-to-marks org-agenda-menu-show-matcher nnmail-message-id-cache-file commander-print-usage-and-exit article-fill-long-lines smime-buffer-as-string-region terraform--resource-name-face check-declare js2-labeled-stmt-node-contains latexdiff stack-mode zot ...] :predicate #f(compiled-function (sym) #<bytecode 0x69a808ae15e7677>) :require-match t :history counsel-M-x-history :action counsel-M-x-action :keymap (keymap (67108908 . counsel--info-lookup-symbol) (67108910 . counsel-find-symbol)) :initial-input nil :caller counsel-M-x)
counsel-M-x()
funcall-interactively(counsel-M-x)
call-interactively(counsel-M-x nil nil)
command-execute(counsel-M-x)