diff --git a/src/components/ServerSelection.vue b/src/components/ServerSelection.vue
deleted file mode 100644
index 9ce50c4..0000000
--- a/src/components/ServerSelection.vue
+++ /dev/null
@@ -1,101 +0,0 @@
-<template>
-  <v-card border>
-    <v-card>
-      <v-card-title>选择服务器</v-card-title>
-      <v-card-subtitle>没事别乱动</v-card-subtitle>
-      <v-card-text>
-          <v-text-field v-model="serverUrl" label="后端地址" required />
-          <v-btn type="submit" color="primary" @click="saveServerUrl"> 保存 </v-btn>
-      </v-card-text>
-    </v-card>
-    <v-card>
-      <v-card-title>设置学生列表</v-card-title>
-      <v-card-subtitle>没事别乱动</v-card-subtitle>
-
-      <v-card-text>
-        <v-textarea v-model="students" label="学生列表" required />
-        <v-btn type="submit" color="primary" @click="saveStudents" border>
-          保存
-        </v-btn>
-      </v-card-text>
-    </v-card></v-card
-  >
-  <v-snackbar v-model="snackbar">
-    {{ snackbarText }}
-  </v-snackbar>
-</template>
-
-<script>
-import axios from "axios";
-export default {
-  data() {
-    return {
-      serverUrl: "",
-      snackbar: false,
-      snackbarText: "",
-      students: "",
-      studentsList: [],
-    };
-  },
-  mounted() {
-    this.loadServerUrl();
-    this.loadStudents();
-  },
-  methods: {
-    saveServerUrl() {
-      try {
-        // 格式化URL，去除空格，/结尾，http://开头，使用new URL()
-        if (this.serverUrl == "") {
-          localStorage.removeItem("backendServerUrl");
-          this.snackbarText = "删除成功，请刷新页面。";
-          this.snackbar = true;
-
-          return;
-        }
-        this.serverUrl =
-          new URL(this.serverUrl).protocol +
-          "//" +
-          new URL(this.serverUrl).host;
-        localStorage.setItem("backendServerUrl", this.serverUrl);
-        this.snackbarText = "保存成功，请刷新页面。";
-        this.snackbar = true;
-      } catch (error) {
-        console.log(error);
-        this.snackbarText = "保存失败，请检查后端地址。";
-        this.snackbar = true;
-      }
-    },
-    saveStudents() {
-      try {
-        this.studentsList = this.students.split("\n");
-        axios
-          .post(this.serverUrl + "/setstudentlist", {
-            studentList: this.studentsList,
-            id: 1,
-          })
-          .then((response) => {
-            console.log(response);
-          });
-        localStorage.setItem("studentList", this.students);
-        this.snackbarText = "保存成功，请刷新页面。";
-        this.snackbar = true;
-      } catch (error) {
-        console.log(error);
-        this.snackbarText = "保存失败，请检查学生列表。";
-        this.snackbar = true;
-      }
-    },
-    loadServerUrl() {
-      const savedUrl = localStorage.getItem("backendServerUrl");
-      if (savedUrl) {
-        this.serverUrl = savedUrl;
-      }
-    },
-    loadStudents() {
-      if (localStorage.getItem("studentList")) {
-        this.students = localStorage.getItem("studentList").replace(/,/g, "\n");
-      }
-    },
-  },
-};
-</script>
diff --git a/src/pages/index.vue b/src/pages/index.vue
index 25d888d..6d4b464 100644
--- a/src/pages/index.vue
+++ b/src/pages/index.vue
@@ -5,16 +5,29 @@
     </template>
 
     <v-app-bar-title>
-      <strong>{{ dateString }}</strong> 作业
+      {{ classNumber }}班 - {{ titleText }}
     </v-app-bar-title>
 
     <v-spacer />
 
-    <v-btn
-      icon="mdi-cog"
-      variant="text"
-      @click="ServerSelectionDialog = true"
-    />
+    <template #append>
+      <v-btn
+        icon="mdi-calendar"
+        variant="text"
+        @click="datePickerDialog = true"
+      />
+      <v-btn
+        icon="mdi-refresh"
+        variant="text"
+        :loading="downloadLoading"
+        @click="downloadData"
+      />
+      <v-btn
+        icon="mdi-cog"
+        variant="text"
+        @click="$router.push('/settings')"
+      />
+    </template>
   </v-app-bar>
   <v-container
     class="main-window"
@@ -200,19 +213,32 @@
   >
     {{ snackbarText }}
   </v-snackbar>
+
+  <v-dialog v-model="datePickerDialog" width="auto">
+    <v-card>
+      <v-card-title>选择日期</v-card-title>
+      <v-card-text>
+        <v-date-picker v-model="selectedDate" />
+      </v-card-text>
+      <v-card-actions>
+        <v-spacer />
+        <v-btn color="primary" @click="goToDate">确定</v-btn>
+        <v-btn @click="datePickerDialog = false">取消</v-btn>
+      </v-card-actions>
+    </v-card>
+  </v-dialog>
 </template>
 
 <script>
 import axios from "axios";
 import { useDisplay } from "vuetify";
-import ServerSelection from "../components/ServerSelection.vue";
 
 export default {
   name: "HomeworkBoard",
-  components: { ServerSelection },
   data() {
     return {
-      backurl: localStorage.getItem("backendServerUrl") || "",
+      backurl: '',
+      classNumber: '',
       currentEditSubject: null,
       studentList: ["加载中"],
       selectedSet: new Set(), // Absent students
@@ -232,6 +258,9 @@ export default {
       snackbarText: "",
       fontSize: 28,
       ServerSelectionDialog: false,
+      datePickerDialog: false,
+      selectedDate: null,
+      refreshInterval: null,
     };
   },
 
@@ -239,12 +268,25 @@ export default {
     isMobile() {
       return useDisplay().mobile.value;
     },
+    titleText() {
+      const today = new Date().toISOString().split('T')[0];
+      const yesterday = new Date(Date.now() - 86400000).toISOString().split('T')[0];
+      
+      if (this.dateString === today) {
+        return '今天的作业';
+      } else if (this.dateString === yesterday) {
+        return '昨天的作业';
+      } else {
+        return `${this.dateString}的作业`;
+      }
+    },
   },
 
   async mounted() {
     try {
       this.updateBackendUrl();
       await this.initializeData();
+      this.setupAutoRefresh();
     } catch (err) {
       console.error("初始化失败:", err);
       this.showError("初始化失败，请刷新页面重试");
@@ -253,7 +295,7 @@ export default {
 
   methods: {
     async initializeData() {
-      const res = await axios.get(this.backurl + "/config.json");
+      const res = await axios.get(`${this.backurl}/config`);
       this.studentList = res.data.studentList;
       localStorage.setItem("studentList", res.data.studentList);
       this.homeworkArrange = res.data.homeworkArrange;
@@ -276,10 +318,21 @@ export default {
 
     setCurrentDate() {
       if (this.$route.query.date) {
-        this.dateString = this.$route.query.date;
+        // 验证并格式化路由中的日期
+        try {
+          const date = new Date(this.$route.query.date);
+          if (isNaN(date.getTime())) {
+            throw new Error('Invalid date');
+          }
+          this.dateString = date.toISOString().split('T')[0];
+        } catch (e) {
+          // 如果日期无效，使用今天的日期
+          const today = new Date();
+          this.dateString = today.toISOString().split('T')[0];
+        }
       } else {
         const today = new Date();
-        this.dateString = today.toISOString().split("T")[0];
+        this.dateString = today.toISOString().split('T')[0];
       }
     },
 
@@ -356,11 +409,11 @@ export default {
     async uploadData() {
       try {
         this.uploadLoading = true;
-        await axios.post(this.backurl + "/upload", {
-          date: this.dateString,
+        await axios.post(`${this.backurl}/homework`, {
+          date: new Date(this.dateString).toISOString().split('T')[0],
           data: this.homeworkData,
           attendance: Array.from(this.selectedSet),
-          late: Array.from(this.lateSet), // Upload late students as well
+          late: Array.from(this.lateSet),
         });
         this.synced = true;
         this.showSyncMessage();
@@ -385,8 +438,9 @@ export default {
     },
 
     async downloadDataDirectly() {
+      const formattedDate = new Date(this.dateString).toISOString().split('T')[0];
       const res = await axios.get(
-        this.backurl + "/download?date=" + this.dateString
+        `${this.backurl}/homework?date=${formattedDate}`
       );
       this.homeworkData = res.data.data || this.homeworkData;
 
@@ -440,9 +494,39 @@ export default {
     },
 
     updateBackendUrl() {
-      const savedUrl = localStorage.getItem("backendServerUrl");
-      if (savedUrl) {
-        this.backurl = savedUrl;
+      const domain = localStorage.getItem('backendServerDomain');
+      const classNum = localStorage.getItem('classNumber');
+      
+      if (domain && classNum) {
+        this.backurl = `${domain}/${classNum}`;
+        this.classNumber = classNum;
+      }
+    },
+
+    setupAutoRefresh() {
+      const autoRefresh = localStorage.getItem('autoRefresh') === 'true';
+      const interval = parseInt(localStorage.getItem('refreshInterval')) || 300;
+      
+      if (autoRefresh) {
+        this.refreshInterval = setInterval(() => {
+          this.downloadData();
+        }, interval * 1000);
+      }
+    },
+
+    goToDate() {
+      if (this.selectedDate) {
+        const formattedDate = new Date(this.selectedDate).toISOString().split('T')[0];
+        this.dateString = formattedDate;
+        this.$router.push(`/?date=${formattedDate}`);
+        this.datePickerDialog = false;
+        this.downloadData();
+      }
+    },
+
+    beforeDestroy() {
+      if (this.refreshInterval) {
+        clearInterval(this.refreshInterval);
       }
     },
   },
diff --git a/src/pages/settings.vue b/src/pages/settings.vue
new file mode 100644
index 0000000..7c349a2
--- /dev/null
+++ b/src/pages/settings.vue
@@ -0,0 +1,160 @@
+<template>
+  <v-app-bar>
+    <template #prepend>
+      <v-btn icon="mdi-arrow-left" variant="text" @click="$router.push('/')" />
+    </template>
+    <v-app-bar-title>设置</v-app-bar-title>
+  </v-app-bar>
+
+  <v-container>
+    <v-row>
+      <v-col cols="12">
+        <v-card>
+          <v-card-title>服务器设置</v-card-title>
+          <v-card-text>
+            <v-text-field
+              v-model="serverDomain"
+              label="服务器域名"
+              placeholder="例如: http://example.com"
+              required
+            />
+            <v-text-field
+              v-model="classNumber"
+              label="班号"
+              placeholder="例如: 1 或 A"
+              required
+              :rules="[v => !!v || '班号不能为空', v => /^[A-Za-z0-9]+$/.test(v) || '班号只能包含字母和数字']"
+            />
+            <v-btn color="primary" @click="saveServerSettings">保存</v-btn>
+          </v-card-text>
+        </v-card>
+      </v-col>
+
+      <v-col cols="12">
+        <v-card>
+          <v-card-title>学生列表设置</v-card-title>
+          <v-card-text>
+            <v-textarea v-model="students" label="学生列表" required />
+            <v-btn color="primary" @click="saveStudents">保存</v-btn>
+          </v-card-text>
+        </v-card>
+      </v-col>
+
+      <v-col cols="12">
+        <v-card>
+          <v-card-title>自动刷新设置</v-card-title>
+          <v-card-text>
+            <v-switch v-model="autoRefresh" label="启用自动刷新" />
+            <v-text-field
+              v-model="refreshInterval"
+              type="number"
+              label="刷新间隔(秒)"
+              :disabled="!autoRefresh"
+            />
+            <v-btn color="primary" @click="saveRefreshSettings">保存</v-btn>
+          </v-card-text>
+        </v-card>
+      </v-col>
+    </v-row>
+  </v-container>
+
+  <v-snackbar v-model="snackbar">
+    {{ snackbarText }}
+  </v-snackbar>
+</template>
+
+<script>
+import axios from 'axios';
+
+export default {
+  data() {
+    return {
+      serverDomain: '',
+      classNumber: '',
+      students: '',
+      studentsList: [],
+      snackbar: false,
+      snackbarText: '',
+      autoRefresh: false,
+      refreshInterval: 300,
+    };
+  },
+  
+  mounted() {
+    this.loadSettings();
+  },
+
+  methods: {
+    loadSettings() {
+      const savedDomain = localStorage.getItem('backendServerDomain');
+      const savedClass = localStorage.getItem('classNumber');
+      
+      if (savedDomain) {
+        this.serverDomain = savedDomain;
+      }
+      if (savedClass) {
+        this.classNumber = savedClass;
+      }
+
+      if (localStorage.getItem('studentList')) {
+        this.students = localStorage.getItem('studentList').replace(/,/g, '\n');
+      }
+
+      this.autoRefresh = localStorage.getItem('autoRefresh') === 'true';
+      this.refreshInterval = parseInt(localStorage.getItem('refreshInterval')) || 300;
+    },
+
+    saveServerSettings() {
+      try {
+        if (this.serverDomain === '') {
+          localStorage.removeItem('backendServerDomain');
+          localStorage.removeItem('classNumber');
+          this.showMessage('删除成功');
+          return;
+        }
+
+        new URL(this.serverDomain);
+        
+        const cleanDomain = this.serverDomain.replace(/\/+$/, '');
+        
+        if (!this.classNumber || !/^[A-Za-z0-9]+$/.test(this.classNumber)) {
+          throw new Error('Invalid class number');
+        }
+
+        localStorage.setItem('backendServerDomain', cleanDomain);
+        localStorage.setItem('classNumber', this.classNumber);
+        this.showMessage('保存成功');
+      } catch (error) {
+        console.error(error);
+        this.showMessage('保存失败，请检查服务器域名和班号');
+      }
+    },
+
+    async saveStudents() {
+      try {
+        this.studentsList = this.students.split('\n');
+        await axios.put(`${this.serverDomain}/students`, {
+          studentList: this.studentsList,
+          id: 1,
+        });
+        localStorage.setItem('studentList', this.students);
+        this.showMessage('保存成功');
+      } catch (error) {
+        console.error(error);
+        this.showMessage('保存失败，请检查学生列表');
+      }
+    },
+
+    saveRefreshSettings() {
+      localStorage.setItem('autoRefresh', this.autoRefresh);
+      localStorage.setItem('refreshInterval', this.refreshInterval);
+      this.showMessage('保存成功');
+    },
+
+    showMessage(text) {
+      this.snackbarText = text;
+      this.snackbar = true;
+    },
+  },
+};
+</script> 
\ No newline at end of file