diff --git a/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/spring-security.xml b/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/spring-security.xml
index 8818314..9447814 100644
--- a/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/spring-security.xml
+++ b/project2/out/artifacts/project2_war_exploded/WEB-INF/classes/spring-security.xml
@@ -26,6 +26,7 @@
         <security:form-login login-page="/login"
                              default-target-url="/dashboard"
                              authentication-failure-handler-ref="customAuthenticationFailureHandler"/>
+        <security:logout logout-url="/logout"/>
         <security:logout logout-success-url="/login?logout=true"/>
     </security:http>
 
diff --git a/project2/out/artifacts/project2_war_exploded/WEB-INF/views/dashboard.jsp b/project2/out/artifacts/project2_war_exploded/WEB-INF/views/dashboard.jsp
index c875b20..e89b991 100644
--- a/project2/out/artifacts/project2_war_exploded/WEB-INF/views/dashboard.jsp
+++ b/project2/out/artifacts/project2_war_exploded/WEB-INF/views/dashboard.jsp
@@ -101,7 +101,7 @@
                 </a>
                 <ul class="dropdown-menu dropdown-menu-end" aria-labelledby="navbarDropdownMenuAvatar">
                     <li>
-                        <a class="dropdown-item" href="logout">登出</a>
+                        <a class="dropdown-item" href="${pageContext.request.contextPath}/logout">登出</a>
                     </li>
                 </ul>
             </div>
diff --git a/project2/out/artifacts/project2_war_exploded/WEB-INF/views/studentList.jsp b/project2/out/artifacts/project2_war_exploded/WEB-INF/views/studentList.jsp
index dca8d2e..c97ac5b 100644
--- a/project2/out/artifacts/project2_war_exploded/WEB-INF/views/studentList.jsp
+++ b/project2/out/artifacts/project2_war_exploded/WEB-INF/views/studentList.jsp
@@ -113,7 +113,7 @@
                 </a>
                 <ul class="dropdown-menu dropdown-menu-end" aria-labelledby="navbarDropdownMenuAvatar">
                     <li>
-                        <a class="dropdown-item" href="logout">登出</a>
+                        <a class="dropdown-item" href="${pageContext.request.contextPath}/logout">登出</a>
                     </li>
                 </ul>
             </div>
diff --git a/project2/out/artifacts/project2_war_exploded/WEB-INF/views/studentListQuery.jsp b/project2/out/artifacts/project2_war_exploded/WEB-INF/views/studentListQuery.jsp
index ca9e027..cbdd4ea 100644
--- a/project2/out/artifacts/project2_war_exploded/WEB-INF/views/studentListQuery.jsp
+++ b/project2/out/artifacts/project2_war_exploded/WEB-INF/views/studentListQuery.jsp
@@ -113,7 +113,7 @@
                 </a>
                 <ul class="dropdown-menu dropdown-menu-end" aria-labelledby="navbarDropdownMenuAvatar">
                     <li>
-                        <a class="dropdown-item" href="logout">登出</a>
+                        <a class="dropdown-item" href="${pageContext.request.contextPath}/logout">登出</a>
                     </li>
                 </ul>
             </div>
diff --git a/project2/out/artifacts/project2_war_exploded/WEB-INF/views/studentMod.jsp b/project2/out/artifacts/project2_war_exploded/WEB-INF/views/studentMod.jsp
index 692ed5e..2ddae7a 100644
--- a/project2/out/artifacts/project2_war_exploded/WEB-INF/views/studentMod.jsp
+++ b/project2/out/artifacts/project2_war_exploded/WEB-INF/views/studentMod.jsp
@@ -115,7 +115,7 @@
                 </a>
                 <ul class="dropdown-menu dropdown-menu-end" aria-labelledby="navbarDropdownMenuAvatar">
                     <li>
-                        <a class="dropdown-item" href="logout">登出</a>
+                        <a class="dropdown-item" href="${pageContext.request.contextPath}/logout">登出</a>
                     </li>
                 </ul>
             </div>
@@ -133,7 +133,7 @@
             <div class="container d-flex justify-content-center">
                 <button type="button" class="btn btn-primary" onclick="location.href='../dashboard'">返回</button>
                 <div class="table-container rounded-4 shadow-3-strong"
-                     style="background-color: rgba(255,255,255,0.9); overflow-y: auto; max-height: 400px;max-width: 60vw">
+                     style="background-color: rgba(255,255,255,0.9); overflow-y: auto; max-height: 400px">
                     <table class="table table-striped table-hover border-primary">
                         <thead>
                         <tr>
@@ -167,7 +167,8 @@
                                 <div class="row mb-2">
                                     <div class="col-12">
                                         <div class="form-outline">
-                                            <input type="number" id="typeText1" class="form-control" required name="id"/>
+                                            <input type="number" id="typeText1" class="form-control" required
+                                                   name="id"/>
                                             <label class="form-label" for="typeText1">ID (必填)</label>
                                         </div>
                                     </div>
@@ -218,7 +219,9 @@
                                 </div>
                                 <div class="row mb-2">
                                     <div class="col-lg-6">
-                                        <button type="submit" class="btn btn-primary" data-mdb-toggle="tooltip" data-mdb-placement="top" title="留空为不做修改">更改</button>
+                                        <button type="submit" class="btn btn-primary" data-mdb-toggle="tooltip"
+                                                data-mdb-placement="top" title="留空为不做修改">更改
+                                        </button>
                                     </div>
                                     <div class="col-lg-6">
                                         <button type="reset" class="btn btn-secondary">重置</button>
diff --git a/project2/out/artifacts/project2_war_exploded/WEB-INF/views/studentQueryResult.jsp b/project2/out/artifacts/project2_war_exploded/WEB-INF/views/studentQueryResult.jsp
index 21c2420..cf59dbf 100644
--- a/project2/out/artifacts/project2_war_exploded/WEB-INF/views/studentQueryResult.jsp
+++ b/project2/out/artifacts/project2_war_exploded/WEB-INF/views/studentQueryResult.jsp
@@ -113,7 +113,7 @@
                 </a>
                 <ul class="dropdown-menu dropdown-menu-end" aria-labelledby="navbarDropdownMenuAvatar">
                     <li>
-                        <a class="dropdown-item" href="logout">登出</a>
+                        <a class="dropdown-item" href="${pageContext.request.contextPath}/logout">登出</a>
                     </li>
                 </ul>
             </div>
diff --git a/project2/src/main/resources/spring-security.xml b/project2/src/main/resources/spring-security.xml
index 8818314..9447814 100644
--- a/project2/src/main/resources/spring-security.xml
+++ b/project2/src/main/resources/spring-security.xml
@@ -26,6 +26,7 @@
         <security:form-login login-page="/login"
                              default-target-url="/dashboard"
                              authentication-failure-handler-ref="customAuthenticationFailureHandler"/>
+        <security:logout logout-url="/logout"/>
         <security:logout logout-success-url="/login?logout=true"/>
     </security:http>
 
diff --git a/project2/web/WEB-INF/views/dashboard.jsp b/project2/web/WEB-INF/views/dashboard.jsp
index c875b20..e89b991 100644
--- a/project2/web/WEB-INF/views/dashboard.jsp
+++ b/project2/web/WEB-INF/views/dashboard.jsp
@@ -101,7 +101,7 @@
                 </a>
                 <ul class="dropdown-menu dropdown-menu-end" aria-labelledby="navbarDropdownMenuAvatar">
                     <li>
-                        <a class="dropdown-item" href="logout">登出</a>
+                        <a class="dropdown-item" href="${pageContext.request.contextPath}/logout">登出</a>
                     </li>
                 </ul>
             </div>
diff --git a/project2/web/WEB-INF/views/studentList.jsp b/project2/web/WEB-INF/views/studentList.jsp
index dca8d2e..c97ac5b 100644
--- a/project2/web/WEB-INF/views/studentList.jsp
+++ b/project2/web/WEB-INF/views/studentList.jsp
@@ -113,7 +113,7 @@
                 </a>
                 <ul class="dropdown-menu dropdown-menu-end" aria-labelledby="navbarDropdownMenuAvatar">
                     <li>
-                        <a class="dropdown-item" href="logout">登出</a>
+                        <a class="dropdown-item" href="${pageContext.request.contextPath}/logout">登出</a>
                     </li>
                 </ul>
             </div>
diff --git a/project2/web/WEB-INF/views/studentListQuery.jsp b/project2/web/WEB-INF/views/studentListQuery.jsp
index ca9e027..cbdd4ea 100644
--- a/project2/web/WEB-INF/views/studentListQuery.jsp
+++ b/project2/web/WEB-INF/views/studentListQuery.jsp
@@ -113,7 +113,7 @@
                 </a>
                 <ul class="dropdown-menu dropdown-menu-end" aria-labelledby="navbarDropdownMenuAvatar">
                     <li>
-                        <a class="dropdown-item" href="logout">登出</a>
+                        <a class="dropdown-item" href="${pageContext.request.contextPath}/logout">登出</a>
                     </li>
                 </ul>
             </div>
diff --git a/project2/web/WEB-INF/views/studentMod.jsp b/project2/web/WEB-INF/views/studentMod.jsp
index 4370540..2ddae7a 100644
--- a/project2/web/WEB-INF/views/studentMod.jsp
+++ b/project2/web/WEB-INF/views/studentMod.jsp
@@ -115,7 +115,7 @@
                 </a>
                 <ul class="dropdown-menu dropdown-menu-end" aria-labelledby="navbarDropdownMenuAvatar">
                     <li>
-                        <a class="dropdown-item" href="logout">登出</a>
+                        <a class="dropdown-item" href="${pageContext.request.contextPath}/logout">登出</a>
                     </li>
                 </ul>
             </div>
diff --git a/project2/web/WEB-INF/views/studentQueryResult.jsp b/project2/web/WEB-INF/views/studentQueryResult.jsp
index 21c2420..cf59dbf 100644
--- a/project2/web/WEB-INF/views/studentQueryResult.jsp
+++ b/project2/web/WEB-INF/views/studentQueryResult.jsp
@@ -113,7 +113,7 @@
                 </a>
                 <ul class="dropdown-menu dropdown-menu-end" aria-labelledby="navbarDropdownMenuAvatar">
                     <li>
-                        <a class="dropdown-item" href="logout">登出</a>
+                        <a class="dropdown-item" href="${pageContext.request.contextPath}/logout">登出</a>
                     </li>
                 </ul>
             </div>