docs: optimization point notes (#2534)

src/views/sys/login/useLogin.ts

@@ -13,6 +13,9 @@ export enum LoginStateEnum {
 
 const currentState = ref(LoginStateEnum.LOGIN);
 
+// 这里也可以优化
+// import { createGlobalState } from '@vueuse/core'
+
 export function useLoginState() {
   function setLoginState(state: LoginStateEnum) {
     currentState.value = state;