diff --git a/package-lock.json b/package-lock.json
index b5831d7..0492bc2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16031,8 +16031,7 @@
             "ansi-regex": {
               "version": "2.1.1",
               "bundled": true,
-              "dev": true,
-              "optional": true
+              "dev": true
             },
             "aproba": {
               "version": "1.2.0",
@@ -16075,8 +16074,7 @@
             "code-point-at": {
               "version": "1.1.0",
               "bundled": true,
-              "dev": true,
-              "optional": true
+              "dev": true
             },
             "concat-map": {
               "version": "0.0.1",
@@ -16087,8 +16085,7 @@
             "console-control-strings": {
               "version": "1.1.0",
               "bundled": true,
-              "dev": true,
-              "optional": true
+              "dev": true
             },
             "core-util-is": {
               "version": "1.0.2",
@@ -16205,8 +16202,7 @@
             "inherits": {
               "version": "2.0.4",
               "bundled": true,
-              "dev": true,
-              "optional": true
+              "dev": true
             },
             "ini": {
               "version": "1.3.5",
@@ -16218,7 +16214,6 @@
               "version": "1.0.0",
               "bundled": true,
               "dev": true,
-              "optional": true,
               "requires": {
                 "number-is-nan": "^1.0.0"
               }
@@ -16248,7 +16243,6 @@
               "version": "2.9.0",
               "bundled": true,
               "dev": true,
-              "optional": true,
               "requires": {
                 "safe-buffer": "^5.1.2",
                 "yallist": "^3.0.0"
@@ -16267,7 +16261,6 @@
               "version": "0.5.1",
               "bundled": true,
               "dev": true,
-              "optional": true,
               "requires": {
                 "minimist": "0.0.8"
               }
@@ -16370,7 +16363,6 @@
               "version": "1.4.0",
               "bundled": true,
               "dev": true,
-              "optional": true,
               "requires": {
                 "wrappy": "1"
               }
@@ -16456,8 +16448,7 @@
             "safe-buffer": {
               "version": "5.1.2",
               "bundled": true,
-              "dev": true,
-              "optional": true
+              "dev": true
             },
             "safer-buffer": {
               "version": "2.1.2",
@@ -16493,7 +16484,6 @@
               "version": "1.0.2",
               "bundled": true,
               "dev": true,
-              "optional": true,
               "requires": {
                 "code-point-at": "^1.0.0",
                 "is-fullwidth-code-point": "^1.0.0",
@@ -16513,7 +16503,6 @@
               "version": "3.0.1",
               "bundled": true,
               "dev": true,
-              "optional": true,
               "requires": {
                 "ansi-regex": "^2.0.0"
               }
@@ -16557,14 +16546,12 @@
             "wrappy": {
               "version": "1.0.2",
               "bundled": true,
-              "dev": true,
-              "optional": true
+              "dev": true
             },
             "yallist": {
               "version": "3.1.1",
               "bundled": true,
-              "dev": true,
-              "optional": true
+              "dev": true
             }
           }
         },
@@ -17002,8 +16989,7 @@
             "console-control-strings": {
               "version": "1.1.0",
               "bundled": true,
-              "dev": true,
-              "optional": true
+              "dev": true
             },
             "core-util-is": {
               "version": "1.0.2",
@@ -17120,8 +17106,7 @@
             "inherits": {
               "version": "2.0.4",
               "bundled": true,
-              "dev": true,
-              "optional": true
+              "dev": true
             },
             "ini": {
               "version": "1.3.5",
@@ -17163,7 +17148,6 @@
               "version": "2.9.0",
               "bundled": true,
               "dev": true,
-              "optional": true,
               "requires": {
                 "safe-buffer": "^5.1.2",
                 "yallist": "^3.0.0"
@@ -17182,7 +17166,6 @@
               "version": "0.5.1",
               "bundled": true,
               "dev": true,
-              "optional": true,
               "requires": {
                 "minimist": "0.0.8"
               }
@@ -17285,7 +17268,6 @@
               "version": "1.4.0",
               "bundled": true,
               "dev": true,
-              "optional": true,
               "requires": {
                 "wrappy": "1"
               }
@@ -17371,8 +17353,7 @@
             "safe-buffer": {
               "version": "5.1.2",
               "bundled": true,
-              "dev": true,
-              "optional": true
+              "dev": true
             },
             "safer-buffer": {
               "version": "2.1.2",
@@ -17408,7 +17389,6 @@
               "version": "1.0.2",
               "bundled": true,
               "dev": true,
-              "optional": true,
               "requires": {
                 "code-point-at": "^1.0.0",
                 "is-fullwidth-code-point": "^1.0.0",
@@ -17472,14 +17452,12 @@
             "wrappy": {
               "version": "1.0.2",
               "bundled": true,
-              "dev": true,
-              "optional": true
+              "dev": true
             },
             "yallist": {
               "version": "3.1.1",
               "bundled": true,
-              "dev": true,
-              "optional": true
+              "dev": true
             }
           }
         },
diff --git a/src/app/app-routing.module.ts b/src/app/app-routing.module.ts
index d149e86..e4b547a 100644
--- a/src/app/app-routing.module.ts
+++ b/src/app/app-routing.module.ts
@@ -1,7 +1,6 @@
 import { NgModule } from '@angular/core';
 import { Routes, RouterModule } from '@angular/router';
 import { LoginComponent } from './pages/login/login.component';
-import { RegisterComponent } from './pages/register/register.component';
 import { NavigationComponent } from './navigation/navigation.component';
 import { LockscreenComponent } from './pages/lockscreen/lockscreen.component';
 
diff --git a/src/app/app.component.ts b/src/app/app.component.ts
index 6602cda..5664cce 100644
--- a/src/app/app.component.ts
+++ b/src/app/app.component.ts
@@ -1,6 +1,5 @@
 import { Component } from '@angular/core';
 import { HttpClient } from '@angular/common/http'
-import { Data } from './interface'
 import { Router,ActivatedRoute } from '@angular/router'
 import { IsLoginService } from './is-login.service' //引入服务
 import {CacheTokenService} from './http-interceptors/cache-token.service' //引入服务
@@ -14,7 +13,6 @@ import {CacheTokenService} from './http-interceptors/cache-token.service' //引
 })
 export class AppComponent {
 
-
   constructor(private http:HttpClient,private router:Router,public token:CacheTokenService,public isLogin:IsLoginService) { }
   
   ngOnInit(): void {
diff --git a/src/app/http-interceptors/cache-token.service.ts b/src/app/http-interceptors/cache-token.service.ts
index 29e5bfd..f5acaf9 100644
--- a/src/app/http-interceptors/cache-token.service.ts
+++ b/src/app/http-interceptors/cache-token.service.ts
@@ -29,7 +29,7 @@ export class CacheTokenService {
       } else { this.delete() }
     },18*60*1000)
   }
- 
+
   //删除定时器
   delete = ():void=> {
     window.clearInterval(this.timer)
diff --git a/src/app/navigation/navigation.component.html b/src/app/navigation/navigation.component.html
index 41b6b56..306e96f 100644
--- a/src/app/navigation/navigation.component.html
+++ b/src/app/navigation/navigation.component.html
@@ -1,30 +1,31 @@
 
 <mat-sidenav-container class="example-container" autosize [class.myapp-dark-theme]="darktheme">
-    <mat-sidenav #drawer class="example-sidenav" mode="side" opened="true" color="primary" style="overflow-x: hidden;">
-        <div class="biglogobox">
-            <img src="../../assets/images/logo.png" alt="logo">
-        </div>
-        <div class="navbox">
-            <ul class="teacher">
-                <li [routerLink]="['/home/createexam']" routerLinkActive="router-link-active" >创建考试</li>
-                <li [routerLink]="['/home/looktest']" routerLinkActive="router-link-active" >阅卷</li>
-                <li [routerLink]="['/home/statisticAnalysis']" routerLinkActive="router-link-active" >统计分析</li>
-            </ul>
-            <ul class="student">
-                <li [routerLink]="['/home/joinExam']" routerLinkActive="router-link-active" >参加考试</li>
-                <li [routerLink]="['/home/testRecords']" routerLinkActive="router-link-active" >考试记录</li>
-            </ul>
-        </div>
 
-       
+  <mat-sidenav #drawer class="example-sidenav" mode="side" opened="true" color="primary" style="overflow-x: hidden;">
+    <div class="biglogobox">
+        <img src="../../assets/images/logo.png" alt="logo">
+    </div>
+    <div class="navbox">
+        <ul class="teacher">
+            <li [routerLink]="['/home/createexam']" routerLinkActive="router-link-active" >创建考试</li>
+            <li [routerLink]="['/home/looktest']" routerLinkActive="router-link-active" >阅卷</li>
+            <li [routerLink]="['/home/statisticAnalysis']" routerLinkActive="router-link-active" >统计分析</li>
+        </ul>
+        <ul class="student">
+            <li [routerLink]="['/home/joinExam']" routerLinkActive="router-link-active" >参加考试</li>
+            <li [routerLink]="['/home/testRecords']" routerLinkActive="router-link-active" >考试记录</li>
+        </ul>
+    </div>
 
-        
-    </mat-sidenav>
+  </mat-sidenav>
 
-    <div class="example-sidenav-content">
-        <app-tabbar (toggleDarkTheme)="switchTheme($event)" (defaulttheme)="defaulttheme()" (redtheme)="redtheme()"></app-tabbar>
-        <router-outlet></router-outlet>
-        <!-- <app-all-file #child></app-all-file> -->
+  <div class="example-sidenav-content">
+    <div style="height: 64px; min-height: 64px;">
+      <app-tabbar (toggleDarkTheme)="switchTheme($event)" (defaulttheme)="defaulttheme()" (redtheme)="redtheme()"></app-tabbar>
+    </div>
+    <div style="flex: 1; overflow: hidden;">
+      <router-outlet></router-outlet>
     </div>
+  </div>
 
 </mat-sidenav-container>
diff --git a/src/app/navigation/navigation.component.scss b/src/app/navigation/navigation.component.scss
index 717c7ca..5c17aaa 100644
--- a/src/app/navigation/navigation.component.scss
+++ b/src/app/navigation/navigation.component.scss
@@ -175,6 +175,8 @@ mat-sidenav{
 .example-sidenav-content{
   height: 100%;
   overflow: hidden;
+  display: flex;
+  flex-direction: column;
 }
 
 //一级目录前图标
diff --git a/src/app/pages/pages-routing.module.ts b/src/app/pages/pages-routing.module.ts
deleted file mode 100644
index ec1ecae..0000000
--- a/src/app/pages/pages-routing.module.ts
+++ /dev/null
@@ -1,17 +0,0 @@
-// import { Routes, RouterModule } from '@angular/router';
-// import { NgModule } from '@angular/core';
-// import { PagesComponent } from './pages.component';
-// import { PersonaldataComponent } from './personaldata/personaldata.component';
-
-
-// const routes: Routes = [
-//     { path: '', component: PagesComponent},
-//     { path: 'personaldata ', component: PersonaldataComponent},
-
-// ];
-
-// @NgModule({
-//     imports: [RouterModule.forChild(routes)],
-//     exports: [RouterModule]
-// })
-// export class PagesRoutingModule {}
diff --git a/src/app/pages/pages.component.html b/src/app/pages/pages.component.html
deleted file mode 100644
index c56369e..0000000
--- a/src/app/pages/pages.component.html
+++ /dev/null
@@ -1 +0,0 @@
-<p>pages works!</p>
diff --git a/src/app/pages/pages.component.scss b/src/app/pages/pages.component.scss
deleted file mode 100644
index e69de29..0000000
diff --git a/src/app/pages/pages.component.spec.ts b/src/app/pages/pages.component.spec.ts
deleted file mode 100644
index 7a864ac..0000000
--- a/src/app/pages/pages.component.spec.ts
+++ /dev/null
@@ -1,25 +0,0 @@
-import { async, ComponentFixture, TestBed } from '@angular/core/testing';
-
-import { PagesComponent } from './pages.component';
-
-describe('PagesComponent', () => {
-  let component: PagesComponent;
-  let fixture: ComponentFixture<PagesComponent>;
-
-  beforeEach(async(() => {
-    TestBed.configureTestingModule({
-      declarations: [ PagesComponent ]
-    })
-    .compileComponents();
-  }));
-
-  beforeEach(() => {
-    fixture = TestBed.createComponent(PagesComponent);
-    component = fixture.componentInstance;
-    fixture.detectChanges();
-  });
-
-  it('should create', () => {
-    expect(component).toBeTruthy();
-  });
-});
diff --git a/src/app/pages/pages.component.ts b/src/app/pages/pages.component.ts
deleted file mode 100644
index d8ad6cb..0000000
--- a/src/app/pages/pages.component.ts
+++ /dev/null
@@ -1,15 +0,0 @@
-import { Component, OnInit } from '@angular/core';
-
-@Component({
-  selector: 'app-pages',
-  templateUrl: './pages.component.html',
-  styleUrls: ['./pages.component.scss']
-})
-export class PagesComponent implements OnInit {
-
-  constructor() { }
-
-  ngOnInit() {
-  }
-
-}
diff --git a/src/app/pages/pages.module.ts b/src/app/pages/pages.module.ts
index 2282c13..9a9e5fa 100644
--- a/src/app/pages/pages.module.ts
+++ b/src/app/pages/pages.module.ts
@@ -1,11 +1,6 @@
 import { NgModule } from '@angular/core';
 import { CommonModule } from '@angular/common';
-import { PagesComponent } from './pages.component';
 import { LoginComponent } from './login/login.component';
-import { RegisterComponent } from './register/register.component';
-// import { PagesRoutingModule } from './pages-routing.module'
-
-
 import {A11yModule} from '@angular/cdk/a11y';
 import {DragDropModule} from '@angular/cdk/drag-drop';
 import {PortalModule} from '@angular/cdk/portal';
@@ -48,17 +43,13 @@ import {MatToolbarModule} from '@angular/material/toolbar';
 import {MatTooltipModule} from '@angular/material/tooltip';
 import {MatTreeModule} from '@angular/material/tree';
 import { FormGroup, FormsModule, ReactiveFormsModule } from '@angular/forms';
-import { PersonaldataComponent } from './personaldata/personaldata.component';
 import { RouterModule } from '@angular/router';
 import { LockscreenComponent } from './lockscreen/lockscreen.component';
-// import { PagesRoutingModule } from './pages-routing.module';
-
 
 @NgModule({
-  declarations: [PagesComponent, LoginComponent, RegisterComponent, LockscreenComponent],
+  declarations: [LoginComponent, LockscreenComponent],
   imports: [
     CommonModule,
-    
     A11yModule,
     CdkStepperModule,
     CdkTableModule,
@@ -70,7 +61,6 @@ import { LockscreenComponent } from './lockscreen/lockscreen.component';
     MatButtonModule,
     MatButtonToggleModule,
     MatCardModule,
-    
     MatCheckboxModule,
     MatChipsModule,
     MatStepperModule,
@@ -102,11 +92,9 @@ import { LockscreenComponent } from './lockscreen/lockscreen.component';
     MatTreeModule,
     PortalModule,
     ScrollingModule,
-
     FormsModule,
     ReactiveFormsModule,
     RouterModule
-    // PagesRoutingModule,
   ]
 })
 export class PagesModule { }
diff --git a/src/app/pages/personaldata/personaldata.component.html b/src/app/pages/personaldata/personaldata.component.html
deleted file mode 100644
index 4e0fb3e..0000000
--- a/src/app/pages/personaldata/personaldata.component.html
+++ /dev/null
@@ -1,280 +0,0 @@
-<div class="pages-profile">
-    <div fxLayout.gt-sm="row nowrap" fxLayout.lt-md="column nowrap" fxLayoutAlign.gt-sm="space-between start"
-        fxLayoutGap="30px" id="xxx">
-        <mat-card fxFlex="30" class="profile-card">
-            <mat-card-content>
-                <img mat-card-avatar src="">
-                <mat-card-title class="profile-user">安信科创</mat-card-title>
-                <mat-card-subtitle class="profile-job">嘻嘻嘻嘻</mat-card-subtitle>
-                <p class="profile-introduction">
-                    不要做程序员，要做问题解决者
-                </p>
-                <div class="profile-social">
-                    <mat-icon size="1"  class="secondary-text s-24"></mat-icon>
-                    <mat-icon size="1"  class="secondary-text s-24"></mat-icon>
-                    <mat-icon size="1"  class="secondary-text s-24"></mat-icon>
-                    <mat-icon size="1"  class="secondary-text s-24"></mat-icon>
-                </div>
-                <button mat-flat-button color="accent">关注</button>
-            </mat-card-content>
-            <mat-card-actions class="profile-card-footer" fxLayout="row nowrap">
-                <div fxFlex="32">
-                    <strong class="profile-stat-count">260</strong>
-                    <span>粉丝</span>
-                </div>
-                <div fxFlex="32">
-                    <strong class="profile-stat-count">180</strong>
-                    <span>关注</span>
-                </div>
-                <div fxFlex="32">
-                    <strong class="profile-stat-count">2000</strong>
-                    <span>博客</span>
-                </div>
-            </mat-card-actions>
-        </mat-card>
-
-        <mat-card fxFlex="70" class="profile-board">
-            <mat-tab-group>
-                <mat-tab label="活动">
-                    <mat-list>
-                        <mat-list-item>
-                            <div matLine fxLayoutAlign="start center" fxLayoutGap="16px">
-                                <img matListAvatar src="">
-                                <div>
-                                    <div>我是假数据
-                                        <span class="secondary-text font-size-12">我是假数据</span>
-                                    </div>
-                                    <span class="secondary-text font-size-12">我是假数据</span>
-                                </div>
-                            </div>
-                            <div matLine class="profile-item-content">
-                                我是假数据
-                            </div>
-                        </mat-list-item>
-                        <mat-list-item>
-                            <div matLine fxLayoutAlign="start center" fxLayoutGap="16px">
-                                <img matListAvatar src="">
-                                <div>
-                                    <div>我是假数据
-                                        <span class="secondary-text font-size-12">我是假数据</span>
-                                    </div>
-                                    <span class="secondary-text font-size-12">我是假数据</span>
-                                </div>
-                            </div>
-                            <div matLine class="profile-item-content">
-                                <img src="" alt="">
-                                <img src="" alt="">
-                                <img src="" alt="">
-                                <img src="" alt="">
-                            </div>
-                        </mat-list-item>
-                        <mat-list-item>
-                            <div matLine fxLayoutAlign="start center" fxLayoutGap="16px">
-                                <img matListAvatar src="">
-                                <div>
-                                    <div>我是假数据
-                                        <span class="secondary-text font-size-12">我是假数据</span>
-                                    </div>
-                                    <span class="secondary-text font-size-12">我是假数据</span>
-                                </div>
-                            </div>
-                            <div matLine class="profile-item-content">
-                                <img src="" alt="">
-                                我是假数据
-                            </div>
-                        </mat-list-item>
-                        <mat-list-item>
-                            <div matLine fxLayoutAlign="start center" fxLayoutGap="16px">
-                                <img matListAvatar src="">
-                                <div>
-                                    <div>我是假数据
-                                        <span class="secondary-text font-size-12">我是假数据</span>
-                                    </div>
-                                    <span class="secondary-text font-size-12">我是假数据</span>
-                                </div>
-                            </div>
-                            <div matLine class="profile-item-content">
-                                我是假数据
-                            </div>
-                        </mat-list-item>
-                        <mat-list-item>
-                            <div matLine fxLayoutAlign="start center" fxLayoutGap="16px">
-                                <img matListAvatar src="">
-                                <div>
-                                    <div>我是假数据
-                                        <span class="secondary-text font-size-12">我是假数据</span>
-                                    </div>
-                                    <span class="secondary-text font-size-12">我是假数据</span>
-                                </div>
-                            </div>
-                            <div matLine class="profile-item-content">
-                                我是假数据
-                            </div>
-                        </mat-list-item>
-                    </mat-list>
-                    <div class="pt-40 pb-40">
-                        <button mat-flat-button class="show-more-btn">更多</button>
-                    </div>
-                </mat-tab>
-                <mat-tab label="评论">
-                    <mat-list>
-                        <mat-list-item>
-                            <div matLine fxLayoutAlign="start center" fxLayoutGap="16px">
-                                <img matListAvatar src="">
-                                <div>
-                                    <div>我是假数据
-                                        <span class="secondary-text font-size-12">我是假数据</span>
-                                    </div>
-                                    <span class="secondary-text font-size-12">我是假数据</span>
-                                </div>
-                            </div>
-                            <div matLine class="profile-item-content">
-                                <img src="" alt="">
-                                我是假数据
-                            </div>
-                        </mat-list-item>
-                        <mat-list-item>
-                            <div matLine fxLayoutAlign="start center" fxLayoutGap="16px">
-                                <img matListAvatar src="">
-                                <div>
-                                    <div>我是假数据
-                                        <span class="secondary-text font-size-12">我是假数据</span>
-                                    </div>
-                                    <span class="secondary-text font-size-12">我是假数据</span>
-                                </div>
-                            </div>
-                            <div matLine class="profile-item-content">
-                                我是假数据
-                            </div>
-                        </mat-list-item>
-
-
-                        <mat-list-item>
-                            <div matLine fxLayoutAlign="start center" fxLayoutGap="16px">
-                                <img matListAvatar src="">
-                                <div>
-                                    <div>我是假数据
-                                        <span class="secondary-text font-size-12">我是假数据</span>
-                                    </div>
-                                    <span class="secondary-text font-size-12">我是假数据</span>
-                                </div>
-                            </div>
-                            <div matLine class="profile-item-content">
-                                我是假数据
-                            </div>
-                        </mat-list-item>
-                        <mat-list-item>
-                            <div matLine fxLayoutAlign="start center" fxLayoutGap="16px">
-                                <img matListAvatar src="">
-                                <div>
-                                    <div>我是假数据
-                                        <span class="secondary-text font-size-12">我是假数据</span>
-                                    </div>
-                                    <span class="secondary-text font-size-12">我是假数据</span>
-                                </div>
-                            </div>
-                            <div matLine class="profile-item-content">
-                                我是假数据
-                            </div>
-                        </mat-list-item>
-                        <mat-list-item>
-                            <div matLine fxLayoutAlign="start center" fxLayoutGap="16px">
-                                <img matListAvatar src="">
-                                <div>
-                                    <div>我是假数据
-                                        <span class="secondary-text font-size-12">我是假数据</span>
-                                    </div>
-                                    <span class="secondary-text font-size-12">我是假数据</span>
-                                </div>
-                            </div>
-                            <div matLine class="profile-item-content">
-                                <img src="" alt="">
-                                <img src="" alt="">
-                                <img src="" alt="">
-                                <img src="" alt="">
-                            </div>
-                        </mat-list-item>
-                    </mat-list>
-                </mat-tab>
-                <mat-tab label="消息">
-                    <mat-list>
-                        <mat-list-item>
-                            <div matLine fxLayoutAlign="start center" fxLayoutGap="16px">
-                                <img matListAvatar src="">
-                                <div>
-                                    <div>我是假数据
-                                        <span class="secondary-text font-size-12">我是假数据</span>
-                                    </div>
-                                    <span class="secondary-text font-size-12">我是假数据</span>
-                                </div>
-                            </div>
-                            <div matLine class="profile-item-content">
-                                我是假数据
-                            </div>
-                        </mat-list-item>
-                        <mat-list-item>
-                            <div matLine fxLayoutAlign="start center" fxLayoutGap="16px">
-                                <img matListAvatar src="">
-                                <div>
-                                    <div>我是假数据
-                                        <span class="secondary-text font-size-12">我是假数据</span>
-                                    </div>
-                                    <span class="secondary-text font-size-12">我是假数据</span>
-                                </div>
-                            </div>
-                            <div matLine class="profile-item-content">
-                                <img src="" alt="">
-                                我是假数据
-                            </div>
-                        </mat-list-item>
-                        <mat-list-item>
-                            <div matLine fxLayoutAlign="start center" fxLayoutGap="16px">
-                                <img matListAvatar src="">
-                                <div>
-                                    <div>我是假数据
-                                        <span class="secondary-text font-size-12">我是假数据</span>
-                                    </div>
-                                    <span class="secondary-text font-size-12">我是假数据</span>
-                                </div>
-                            </div>
-                            <div matLine class="profile-item-content">
-                                <img src="" alt="">
-                                <img src="" alt="">
-                                <img src="" alt="">
-                                <img src="" alt="">
-                            </div>
-                        </mat-list-item>
-                        <mat-list-item>
-                            <div matLine fxLayoutAlign="start center" fxLayoutGap="16px">
-                                <img matListAvatar src="">
-                                <div>
-                                    <div>我是假数据
-                                        <span class="secondary-text font-size-12">我是假数据</span>
-                                    </div>
-                                    <span class="secondary-text font-size-12">我是假数据</span>
-                                </div>
-                            </div>
-                            <div matLine class="profile-item-content">
-                                我是假数据
-                            </div>
-                        </mat-list-item>
-                        <mat-list-item>
-                            <div matLine fxLayoutAlign="start center" fxLayoutGap="16px">
-                                <img matListAvatar src="">
-                                <div>
-                                    <div>我是假数据
-                                        <span class="secondary-text font-size-12">我是假数据</span>
-                                    </div>
-                                    <span class="secondary-text font-size-12">我是假数据</span>
-                                </div>
-                            </div>
-                            <div matLine class="profile-item-content">
-                                我是假数据
-                            </div>
-                        </mat-list-item>
-                    </mat-list>
-                </mat-tab>
-            </mat-tab-group>
-        </mat-card>
-    </div>
-</div>
diff --git a/src/app/pages/personaldata/personaldata.component.scss b/src/app/pages/personaldata/personaldata.component.scss
deleted file mode 100644
index 674904d..0000000
--- a/src/app/pages/personaldata/personaldata.component.scss
+++ /dev/null
@@ -1,110 +0,0 @@
-
-#xxx{
-    display: flex;
-    justify-content: space-around;
-}
-.pages-profile {
-    padding: 30px;
-
-    .profile-card {
-        padding: 9px;
-        text-align: center;
-        font-family: Roboto, sans-serif;
-        width: 500px;
-        height: 600px;
-        mat-card-content {
-            padding: 40px 15px;
-            margin: 0;
-        }
-
-        .mat-card-avatar {
-            width: 130px;
-            height: 130px;
-            margin-bottom: 10px;
-        }
-
-        .profile-user {
-            margin: 10px 0;
-            font-weight: normal;
-        }
-
-        .profile-job {
-            margin-bottom: 20px;
-            color: #9e9e9e;
-            font-weight: 500;
-        }
-
-        .profile-introduction {
-            margin: 0 0 1rem;
-            color: #757575;
-        }
-
-        .profile-social {
-            margin: 25px 0;
-
-            mat-icon {
-                margin: 0 10px;
-                color: rgba(66, 66, 66, .4);
-            }
-        }
-
-        mat-card-actions {
-            padding: 10px;
-            background: #f6f9fd;
-        }
-
-        .profile-card-footer {
-            display: flex;
-            justify-content: space-around;
-            .profile-stat-count {
-                display: block;
-                margin-bottom: 3px;
-                font-size: 20px;
-                font-weight: bold;
-                color: #616161;
-
-                +span {
-                    color: #9e9e9e;
-                }
-            }
-        }
-
-    }
-
-    .profile-board {
-        padding: 30px;
-        width: 500px;
-        mat-list {
-            padding-bottom: 20px;
-        }
-
-        mat-list-item {
-            height: auto;
-            padding: 25px 0;
-            margin-left: -16px;
-            border-bottom: 1px solid #dfe0df;
-
-            .profile-item-content {
-                padding: 20px 0 0 56px;
-                line-height: 1.571429;
-                color: #757575;
-                white-space: normal;
-                display: flex;
-                flex-wrap: wrap;
-
-                img {
-                    width: 100%;
-                    max-width: 220px;
-                    max-height: 150px;
-                    padding: 0 20px 20px 0;
-                }
-            }
-        }
-    }
-
-    .show-more-btn {
-        width: 100%;
-        background-color: #eee;
-        color: #3949ab;
-    }
-}
\ No newline at end of file
diff --git a/src/app/pages/personaldata/personaldata.component.spec.ts b/src/app/pages/personaldata/personaldata.component.spec.ts
deleted file mode 100644
index cf44bea..0000000
--- a/src/app/pages/personaldata/personaldata.component.spec.ts
+++ /dev/null
@@ -1,25 +0,0 @@
-import { async, ComponentFixture, TestBed } from '@angular/core/testing';
-
-import { PersonaldataComponent } from './personaldata.component';
-
-describe('PersonaldataComponent', () => {
-  let component: PersonaldataComponent;
-  let fixture: ComponentFixture<PersonaldataComponent>;
-
-  beforeEach(async(() => {
-    TestBed.configureTestingModule({
-      declarations: [ PersonaldataComponent ]
-    })
-    .compileComponents();
-  }));
-
-  beforeEach(() => {
-    fixture = TestBed.createComponent(PersonaldataComponent);
-    component = fixture.componentInstance;
-    fixture.detectChanges();
-  });
-
-  it('should create', () => {
-    expect(component).toBeTruthy();
-  });
-});
diff --git a/src/app/pages/personaldata/personaldata.component.ts b/src/app/pages/personaldata/personaldata.component.ts
deleted file mode 100644
index 28d9b93..0000000
--- a/src/app/pages/personaldata/personaldata.component.ts
+++ /dev/null
@@ -1,15 +0,0 @@
-import { Component, OnInit } from '@angular/core';
-
-@Component({
-  selector: 'app-personaldata',
-  templateUrl: './personaldata.component.html',
-  styleUrls: ['./personaldata.component.scss']
-})
-export class PersonaldataComponent implements OnInit {
-
-  constructor() { }
-
-  ngOnInit() {
-  }
-
-}
diff --git a/src/app/pages/register/register.component.html b/src/app/pages/register/register.component.html
deleted file mode 100644
index 4439983..0000000
--- a/src/app/pages/register/register.component.html
+++ /dev/null
@@ -1,81 +0,0 @@
-<div class="login">
-  <div class="loginbox">
-
-    <div class="intro">
-      <p>北京安信科创有限公司</p>
-      <span>北京安信科创软件有限公司作为中国应急服务领跑者，于2006年进入消防救援领域，是一家专注于应急领域仿真培训演练与应急数据预判领域的软件服务供应商。安信主要利用大数据与虚拟现实技术实现对消防、公安、机场相关安防人员与企业安全监管人员的仿真培训与考核，致力于为我国应急产业的发展构建更美好的未来。目前，安信的业务遍布全国20多个省份和地区，服务全国将近四分之一以上的人口
-      </span>
-    </div>
-
-    <div class="card">
-      <mat-card>
-
-        <p class="cardheader">注册</p>
-        <p>Please register first</p>
-
-        <form (ngSubmit)="onSubmit(form.value)" #form="ngForm" class="example-container">
-
-          <mat-form-field>
-            <input matInput id="name" name="name"
-            required
-            ngModel #name="ngModel" placeholder="请输入账号">
-          </mat-form-field>
-
-          <!-- <div *ngIf="name.invalid && (name.dirty || name.touched)"
-            class="alert-danger">
-            <div *ngIf="name.errors.required">
-              账号不能为空
-            </div>
-          </div> -->
-
-          <mat-form-field>
-            <input matInput id="email" name="email"
-            required pattern="^[a-zA-Z0-9_.-]+@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)*\.[a-zA-Z0-9]{2,6}$"
-            ngModel #email="ngModel" placeholder="请输入邮箱">
-          </mat-form-field>
-<!-- 
-          <div *ngIf="email.invalid && (email.dirty || email.touched)"
-            class="alert-danger">
-            <div *ngIf="email.errors.required">
-              邮箱不能为空
-            </div>
-            <div *ngIf="email.errors.pattern">
-              邮箱格式不正确
-            </div>
-          </div> -->
-
-          <mat-form-field>
-            <input matInput id="password" name="password" type='password'
-            required minlength="8"
-            ngModel #password="ngModel" placeholder="请输入密码">
-          </mat-form-field>
-
-          <!-- <div *ngIf="password.invalid && (password.dirty || password.touched)"
-            class="alert-danger">
-            <div *ngIf="password.errors.required">
-              密码不能为空
-            </div>
-            <div *ngIf="password.errors.minlength">
-              密码最少8位
-            </div>
-          </div> -->
-
-          <mat-checkbox style="margin-top: 25px;">请同意不扩散核武器条约条约</mat-checkbox>
-
-          <button type="submit" [disabled]="!form.form.valid" class="loginbtn"mat-button>注册</button>
-        </form>
-
-        <div class="applyfor">
-          <p>已有账号？去<a href="/login">登录</a></p>
-        </div>
-
-        <div class="website">
-          <p>WEBSITE BY AnXin</p>
-          <p>© 2020. All RIGHT RESERVED.</p>
-        </div>
-
-      </mat-card>
-    </div>
-    
-  </div>
-</div>
\ No newline at end of file
diff --git a/src/app/pages/register/register.component.scss b/src/app/pages/register/register.component.scss
deleted file mode 100644
index 32cd9ee..0000000
--- a/src/app/pages/register/register.component.scss
+++ /dev/null
@@ -1,88 +0,0 @@
-.login {
-  width: 100%;
-  height: 100%;
-  // background: url('../../../assets/images/bg_login.jpg');
-  
-  .loginbox {
-    width: 100%;
-    height: 100%;
-    background-color: #000;
-    background: rgba(0,0,0,0.5);/*盒子背景透明*/
-    // opacity: 0.5;
-    position: relative;
-  }
-
-  .intro {
-    width: 650px;
-    // height: 350px;
-    position: fixed;
-    top:35%;
-    left: 15%;
-    p {
-      font-size: 36px;
-      color:white;
-      margin-bottom: 35px;
-    }
-    span {
-      font-size: 16px;
-      color:white;
-      opacity: 0.5;
-    }
-  }
-
-  .card{
-    width: 460px;
-    height: 100%;
-    padding-left: 20px;
-    background-color: #fff;
-    position: absolute;
-    right: 0;
-    p {
-      width: 100%;
-      margin: 18px 0;
-    }
-    .cardheader{
-      font-size: 26px;
-      font-weight: 500;
-    }
-
-  }
-
-}
-
-.example-container {
-  display: flex;
-  flex-direction: column;
-}
-
-.example-container > * {
-  width: 100%;
-}
-.loginbtn {
-  margin-top: 18px;
-  height: 35px;
-  background-color:#039be5;
-  border-radius: 15px;
-  color: #fff;;
-}
-.mat-card {
-  box-shadow: 0 0 0;
-  margin-top: 70px;
-}
-
-.applyfor {
-  font-size: 16px;
-   a {
-     color: #039be5;
-   }
-}
-
-.website {
-  font-size: 14px;
-  text-align: center;
-  margin-top: 50px;
-}
-.alert-danger {
-  font-size: 14px;
-  color: red;
-}
\ No newline at end of file
diff --git a/src/app/pages/register/register.component.spec.ts b/src/app/pages/register/register.component.spec.ts
deleted file mode 100644
index 6c19551..0000000
--- a/src/app/pages/register/register.component.spec.ts
+++ /dev/null
@@ -1,25 +0,0 @@
-import { async, ComponentFixture, TestBed } from '@angular/core/testing';
-
-import { RegisterComponent } from './register.component';
-
-describe('RegisterComponent', () => {
-  let component: RegisterComponent;
-  let fixture: ComponentFixture<RegisterComponent>;
-
-  beforeEach(async(() => {
-    TestBed.configureTestingModule({
-      declarations: [ RegisterComponent ]
-    })
-    .compileComponents();
-  }));
-
-  beforeEach(() => {
-    fixture = TestBed.createComponent(RegisterComponent);
-    component = fixture.componentInstance;
-    fixture.detectChanges();
-  });
-
-  it('should create', () => {
-    expect(component).toBeTruthy();
-  });
-});
diff --git a/src/app/pages/register/register.component.ts b/src/app/pages/register/register.component.ts
deleted file mode 100644
index 6f9552f..0000000
--- a/src/app/pages/register/register.component.ts
+++ /dev/null
@@ -1,19 +0,0 @@
-import { Component, OnInit } from '@angular/core';
-
-@Component({
-  selector: 'app-register',
-  templateUrl: './register.component.html',
-  styleUrls: ['./register.component.scss']
-})
-export class RegisterComponent implements OnInit {
-
-  constructor() { }
-
-  ngOnInit() {
-  }
-
-  onSubmit(e){
-    // console.log(e)
-  }
-
-}
diff --git a/src/app/ui/ui.module.ts b/src/app/ui/ui.module.ts
index d2ff06f..d3465c9 100644
--- a/src/app/ui/ui.module.ts
+++ b/src/app/ui/ui.module.ts
@@ -17,7 +17,6 @@ import {MatCardModule} from '@angular/material/card';
 import {MatCheckboxModule} from '@angular/material/checkbox';
 import {MatChipsModule} from '@angular/material/chips';
 import {MatStepperModule} from '@angular/material/stepper';
-// import {MatDatepickerModule} from '@angular/material/datepicker';
 import {MatDialogModule} from '@angular/material/dialog';
 import {MatDividerModule} from '@angular/material/divider';
 import {MatExpansionModule} from '@angular/material/expansion';
@@ -45,7 +44,6 @@ import {MatTreeModule} from '@angular/material/tree';
 import { ReactiveFormsModule, FormsModule } from '@angular/forms';
 import { MatFormFieldModule } from '@angular/material/form-field';
 import { MatPaginatorIntl } from '@angular/material/paginator';
-import { PersonaldataComponent } from '../pages/personaldata/personaldata.component';
 import { ChangepasswordComponent } from './changepassword/changepassword.component';
 import { SizePipe , NamePipe,NamePipe2, NamePipe3, testState} from '../pipes/size.pipe';
 import {ConfirmpswDirective} from './changepassword/equal-validator.directive';
@@ -69,7 +67,7 @@ import { JoinExamComponent } from './join-exam/join-exam.component';
 import { TestRecordsComponent } from './test-records/test-records.component'
 import { NzDatePickerModule } from 'ng-zorro-antd/date-picker';
 @NgModule({
-  declarations: [FolderDialog,ViewDetails,PersonaldataComponent, ChangepasswordComponent,SizePipe,NamePipe,NamePipe2,NamePipe3,ConfirmpswDirective, AllFileComponent, ChangeuserdataComponent, LoginComponent, UploadFilesComponent,AddEnterpriserUser,EnterpriseuserComponent,editenterpriseuser,seeenterpriseuser,TeacherManagementComponent,editTeacher,AddTeacher,seeTeacher, LearningRecordDetailsComponent, EhartsStatisticsComponent, CreateExamComponent, LookOverTestComponent, StatisticAnalysisComponent, JoinExamComponent, TestRecordsComponent,testState,CreateDialog],
+  declarations: [FolderDialog,ViewDetails,ChangepasswordComponent,SizePipe,NamePipe,NamePipe2,NamePipe3,ConfirmpswDirective, AllFileComponent, ChangeuserdataComponent, LoginComponent, UploadFilesComponent,AddEnterpriserUser,EnterpriseuserComponent,editenterpriseuser,seeenterpriseuser,TeacherManagementComponent,editTeacher,AddTeacher,seeTeacher, LearningRecordDetailsComponent, EhartsStatisticsComponent, CreateExamComponent, LookOverTestComponent, StatisticAnalysisComponent, JoinExamComponent, TestRecordsComponent,testState,CreateDialog],
 
   imports: [
     NzDatePickerModule,
@@ -89,7 +87,6 @@ import { NzDatePickerModule } from 'ng-zorro-antd/date-picker';
     MatCheckboxModule,
     MatChipsModule,
     MatStepperModule,
-    // MatDatepickerModule,
     MatDialogModule,
     MatDividerModule,
     MatExpansionModule,
@@ -117,7 +114,6 @@ import { NzDatePickerModule } from 'ng-zorro-antd/date-picker';
     MatTreeModule,
     PortalModule,
     ScrollingModule,
-    
     ReactiveFormsModule,
     FormsModule,
     FileUploadModule
diff --git a/src/assets/images/loginBackground.png b/src/assets/images/loginBackground.png
new file mode 100644
index 0000000..ba9ab6d
Binary files /dev/null and b/src/assets/images/loginBackground.png differ
diff --git a/src/index.html b/src/index.html
index b6b8eee..1b14057 100644
--- a/src/index.html
+++ b/src/index.html
@@ -2,12 +2,11 @@
 <html lang="zh-CN">
 <head>
   <meta charset="utf-8">
-  <title>灭火救援指挥培训系统</title>
+  <title>消防救援单位信息考核系统</title>
   <base href="/">
   <meta name="viewport" content="width=device-width, initial-scale=1">
   <link rel="icon" type="image/x-icon" href="favicon.ico">
   <link href='/assets/icon/material-icons.css' rel="stylesheet">
-  <!-- <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet"> -->
 </head>
 <body>
   <app-root></app-root>