add

public/static/ebook/ebook.css

@@ -9,7 +9,7 @@
     -moz-transform: translateY(-10px);
     -ms-transform: translateY(-10px);}
 
-.head{background:url(../img/bg1.png) center center no-repeat;background-size:100% 100%;height:581px;}
+.head{background:url(../bg1.png) center center no-repeat;background-size:100% 100%;height:581px;}
 .head .logolay{float:left;width:100%;margin-top:20px;}
 .head .logolay img{float:left;margin-right:20px;}
 .head .logolay span{float:left;height:40px;line-height:40px;font-size:26px;color:#fff;}

resources/views/home/http/common/header.blade.php

@@ -25,22 +25,6 @@ $uri = \Illuminate\Support\Facades\Route::getCurrentRoute()->uri();
                         <a class="nav-link" href="{{ toRoute('about') }}">关于我们</a>
                     </li>
                 </ul>
-                <div id="loginDiv" style="display: none">
-                    <button type="button" class="btn btn-danger" style="width: 120px;height: 40px;"
-                            onclick="showModal()">登录
-                    </button>
-                </div>
-                <div class="dropdown" id="userDiv" style="display: none">
-                    <a class="btn dropdown-toggle" href="#" role="button" id="dropdownMenuLink"
-                       data-bs-toggle="dropdown"
-                       aria-expanded="false">
-                        <span id="username"></span>
-                    </a>
-                    <ul class="dropdown-menu" aria-labelledby="dropdownMenuLink">
-                        <li><a class="dropdown-item" href="#">升级会员</a></li>
-                        <li><a class="dropdown-item" href="#" onclick="loginOut()">退出登录</a></li>
-                    </ul>
-                </div>
             </div>
         </div>
     </nav>