diff --git a/index/src/app/components/admin-header/admin-header.component.ts b/index/src/app/components/admin-header/admin-header.component.ts
index e002d25..17d26a2 100644
--- a/index/src/app/components/admin-header/admin-header.component.ts
+++ b/index/src/app/components/admin-header/admin-header.component.ts
@@ -1,5 +1,5 @@
-import {Component, OnInit} from '@angular/core';
-import {UserService} from '../../services/user.service';
+import {Component, EventEmitter, OnInit, Output} from '@angular/core';
+import {GlobalUserService} from '../../services/global-user.service';
 import {User} from '../../class/User';
 
 @Component({
@@ -9,12 +9,14 @@ import {User} from '../../class/User';
 })
 export class AdminHeaderComponent implements OnInit {
 
-    constructor(private userService: UserService) {
+    constructor(private userService: GlobalUserService) {
     }
 
     user: User
+    @Output() infoClicked = new EventEmitter<void>()
 
     logout = () => this.userService.logout();
+    infoClickedEvent = () => this.infoClicked.emit();
 
     ngOnInit(): void {
         this.userService.watchUserInfo({
diff --git a/index/src/app/components/header/header.component.ts b/index/src/app/components/header/header.component.ts
index 709f805..46c6ebc 100644
--- a/index/src/app/components/header/header.component.ts
+++ b/index/src/app/components/header/header.component.ts
@@ -4,7 +4,7 @@ import {windowWidthChange} from '../../utils/util';
 import {ApiService} from '../../api/api.service';
 import {User} from '../../class/User';
 import {ComponentStateService} from '../../services/component-state.service';
-import {UserService} from '../../services/user.service';
+import {GlobalUserService} from '../../services/global-user.service';
 
 @Component({
     selector: 'app-header',
@@ -15,7 +15,7 @@ export class HeaderComponent implements OnInit {
 
     constructor(private router: Router,
                 public componentStateService: ComponentStateService,
-                private userService: UserService) {
+                private userService: GlobalUserService) {
         this.pageList = [
             {name: '首页', path: '/', icon: 'home', iconType: 'fill', show: true},
             {name: '分类', path: '/categories', icon: 'project', iconType: 'fill', show: true},
diff --git a/index/src/app/view/admin/admin.component.ts b/index/src/app/view/admin/admin.component.ts
index cf2c729..b6af547 100644
--- a/index/src/app/view/admin/admin.component.ts
+++ b/index/src/app/view/admin/admin.component.ts
@@ -1,6 +1,7 @@
 import {Component, OnInit} from '@angular/core';
-import {UserService} from '../../services/user.service';
+import {GlobalUserService} from '../../services/global-user.service';
 import {User} from '../../class/User';
+import {ApiService} from '../../api/api.service';
 
 @Component({
     selector: 'app-admin',
@@ -9,14 +10,16 @@ import {User} from '../../class/User';
 })
 export class AdminComponent implements OnInit {
 
-    constructor(public userService: UserService) {
+    constructor(public gUserService: GlobalUserService, private apiService: ApiService) {
     }
 
     user: User;
     isCollapsed: boolean = false;
+    infoDrawerVisible: boolean = false;
+    sayHelloContent: string;
 
     ngOnInit(): void {
-        this.userService.watchUserInfo({
+        this.gUserService.watchUserInfo({
                 complete: () => null,
                 error: (err) => null,
                 next: data => {
@@ -25,6 +28,23 @@ export class AdminComponent implements OnInit {
                 }
             }
         )
+        const hours = new Date().getHours();
+        if (hours < 6) {
+            this.sayHelloContent = `夜深了，注意早点休息哦！${this.user.displayName}`
+        } else if (hours < 10) {
+            this.sayHelloContent = `早上好呀！${this.user.displayName}`
+        } else if (hours < 14) {
+            this.sayHelloContent = `中午好呀！${this.user.displayName}`
+        } else if (hours < 19) {
+            this.sayHelloContent = `下午好呀！${this.user.displayName}`
+        } else if (hours < 22) {
+            this.sayHelloContent = `晚上好呀！${this.user.displayName}`
+        } else {
+            this.sayHelloContent = `时间不早了，注意休息哦！${this.user.displayName}`
+        }
     }
 
+    showInfoDrawer() {
+        this.infoDrawerVisible = !this.infoDrawerVisible;
+    }
 }
diff --git a/index/src/app/view/admin/auth.guard.ts b/index/src/app/view/admin/auth.guard.ts
index 3d0dd03..7010457 100644
--- a/index/src/app/view/admin/auth.guard.ts
+++ b/index/src/app/view/admin/auth.guard.ts
@@ -2,14 +2,14 @@ import {Injectable} from '@angular/core';
 import {CanActivate, ActivatedRouteSnapshot, RouterStateSnapshot, UrlTree} from '@angular/router';
 import {Observable} from 'rxjs';
 import {User} from '../../class/User';
-import {UserService} from '../../services/user.service';
+import {GlobalUserService} from '../../services/global-user.service';
 
 @Injectable({
     providedIn: 'root'
 })
 export class AuthGuard implements CanActivate {
 
-    constructor(private userService: UserService) {
+    constructor(private userService: GlobalUserService) {
         userService.watchUserInfo({
             complete: () => null,
             error: (err) => {
diff --git a/index/src/app/view/article/article.component.ts b/index/src/app/view/article/article.component.ts
index aadd841..5356071 100644
--- a/index/src/app/view/article/article.component.ts
+++ b/index/src/app/view/article/article.component.ts
@@ -7,7 +7,7 @@ import {User} from '../../class/User';
 import {CommentReq} from '../../class/Comment';
 import {PageList} from '../../class/HttpReqAndResp';
 import {Comment} from '../../class/Comment';
-import {UserService} from '../../services/user.service';
+import {GlobalUserService} from '../../services/global-user.service';
 
 declare var editormd;
 declare var $;
@@ -21,7 +21,7 @@ export class ArticleComponent implements OnInit {
 
     constructor(private activatedRoute: ActivatedRoute,
                 private apiService: ApiService,
-                private userService: UserService,
+                private userService: GlobalUserService,
                 private titleService: Title,
                 private router: Router) {
         this.articleId = +activatedRoute.snapshot.paramMap.get('id');
diff --git a/index/src/app/view/login-registration/components/login/login.component.ts b/index/src/app/view/login-registration/components/login/login.component.ts
index d5348a0..5336e13 100644
--- a/index/src/app/view/login-registration/components/login/login.component.ts
+++ b/index/src/app/view/login-registration/components/login/login.component.ts
@@ -4,7 +4,7 @@ import {LoginReq} from '../../../../class/User';
 import {ActivatedRoute, Router} from '@angular/router';
 import {LoginRegistrationService} from '../../service/login-registration.service';
 import {Title} from '@angular/platform-browser';
-import {UserService} from '../../../../services/user.service';
+import {GlobalUserService} from '../../../../services/global-user.service';
 
 @Component({
     selector: 'c-login',
@@ -14,7 +14,7 @@ import {UserService} from '../../../../services/user.service';
 export class LoginComponent implements OnInit {
 
     constructor(private nzMessageService: NzMessageService,
-                private userService: UserService,
+                private userService: GlobalUserService,
                 private activatedRoute: ActivatedRoute,
                 private router: Router,
                 private loginRegistrationService: LoginRegistrationService,
diff --git a/index/src/app/view/write/write.component.ts b/index/src/app/view/write/write.component.ts
index 4995426..716a3bc 100644
--- a/index/src/app/view/write/write.component.ts
+++ b/index/src/app/view/write/write.component.ts
@@ -7,7 +7,7 @@ import {NzMessageService} from 'ng-zorro-antd';
 import {User} from '../../class/User';
 import {Tag} from '../../class/Tag';
 import {Title} from '@angular/platform-browser';
-import {UserService} from '../../services/user.service';
+import {GlobalUserService} from '../../services/global-user.service';
 
 @Component({
     selector: 'view-write',
@@ -19,7 +19,7 @@ export class WriteComponent implements OnInit {
     constructor(private router: Router,
                 private activatedRoute: ActivatedRoute,
                 private apiService: ApiService,
-                private userService: UserService,
+                private userService: GlobalUserService,
                 private message: NzMessageService,
                 private titleService: Title) {
         this.titleService.setTitle('小海博客 | 创作');