真机调试，退出page后报错TypeError: Cannot read property 'removeEventListener' of undefined

"[Vue warn]: Error in beforeDestroy hook: "TypeError: Cannot read property 'removeEventListener' of undefined"

found in

---> <ZbDropdownMenu> at uni_modules/zb-dropdown-menu/components/zb-dropdown-menu/zb-dropdown-menu.vue:1
　　　　at pages/index/goodsInput.vue:1>"