diff --git a/src/api/teacher.js b/src/api/teacher.js
index 3060c6c..5f8775f 100644
--- a/src/api/teacher.js
+++ b/src/api/teacher.js
@@ -225,6 +225,13 @@ export function getScoreStatisticsTrend(query) {
     params: query,
   });
 }
+// 教师首页 - 可查看班级列表（教师管理员为本校全部教学班）
+export function getTeacherHomeClasses() {
+  return request({
+    url: "/api/score/getTeaHomeClasses",
+    method: "get",
+  });
+}
 // 获取班级列表
 export function getClasses(query) {
   return request({
diff --git a/src/views/teacherEnd/index.vue b/src/views/teacherEnd/index.vue
index 932b78d..0b9ed23 100644
--- a/src/views/teacherEnd/index.vue
+++ b/src/views/teacherEnd/index.vue
@@ -22,7 +22,8 @@
               </el-form-item>
               <el-form-item label="班级：">
                 <el-select placeholder="全部" v-model="classParams.classId" style="width: 185.6px">
-                  <el-option v-for="item in userStore.classList" :key="item" :label="item.class_name" :value="item.class_id" />
+                  <el-option label="全部" value="" />
+                  <el-option v-for="item in userStore.classList" :key="item.class_id" :label="item.class_name" :value="item.class_id" />
                 </el-select>
               </el-form-item>
               <el-form-item>
@@ -48,8 +49,6 @@
 <script setup>
 import * as echarts from "echarts";
 import * as teacherApi from "@/api/teacher.js";
-const { proxy } = getCurrentInstance();
-import { getAssetsFile } from "@/utils/index.js";
 import useUserStore from "@/store/modules/user";
 const userStore = useUserStore();
 const classTime = ref([]);
@@ -59,7 +58,6 @@ const classParams = ref({
   classId: "",
   time: "",
 });
-const initstatus = ref(false);
 const circularData = ref([
   { value: 0, name: "一般", key: "generalCount" },
   { value: 0, name: "优秀", key: "excellentCount" },
@@ -145,14 +143,15 @@ const getStatisticsData = async () => {
 const getClassGradeTrend = () => {
   teacherApi.getAverageScoreTrend().then((res) => {
     const trends = Array.isArray(res) ? res : [];
-    classTime.value = trends[0]?.startTime || [];
+    classTime.value = [...new Set(trends.flatMap((item) => item.startTime || []))].sort();
     className.value = trends.map((item) => item.className);
     classList.value = trends.map((item) => {
+      const scoresByDate = new Map((item.startTime || []).map((date, index) => [date, item.classAverageScore?.[index] ?? null]));
       return {
         name: item.className,
         type: "line",
-        stack: "Total",
-        data: item.classAverageScore,
+        connectNulls: false,
+        data: classTime.value.map((date) => scoresByDate.get(date) ?? null),
       };
     });
     getTrendData();
@@ -165,9 +164,6 @@ const getClassGradeStatistics = () => {
   } else {
     classParams.value.time = classParams.value.time.toString();
   }
-  if (initstatus.value && !classParams.value.classId) {
-    proxy.$modal.msgWarning("请选择班级");
-  }
   teacherApi.getScoreStatisticsTrend(classParams.value).then((res) => {
     circularData.value.forEach((item, index) => {
       item.value = res[item.key];
@@ -186,7 +182,7 @@ const getClassGradeStatistics = () => {
 };
 // 获取班级
 const getClassList = () => {
-  teacherApi.getOwnedTeachingClasses().then((res) => {
+  teacherApi.getTeacherHomeClasses().then((res) => {
     userStore.classList = (res.data || []).map((item) => ({
       class_name: item.className,
       class_id: item.schoolClassId,
@@ -197,7 +193,6 @@ onMounted(() => {
   getClassGradeTrend();
   getClassGradeStatistics()
   getClassList()
-  initstatus.value = true;
 });
 </script>
 <style lang='scss'  scoped>
diff --git a/tests/teacher-admin-home-all-class-charts.static.test.cjs b/tests/teacher-admin-home-all-class-charts.static.test.cjs
new file mode 100644
index 0000000..51655cf
--- /dev/null
+++ b/tests/teacher-admin-home-all-class-charts.static.test.cjs
@@ -0,0 +1,15 @@
+const assert = require('assert');
+const fs = require('fs');
+
+const home = fs.readFileSync('src/views/teacherEnd/index.vue', 'utf8');
+const api = fs.readFileSync('src/api/teacher.js', 'utf8');
+
+assert(api.includes('/api/score/getTeaHomeClasses'));
+assert(home.includes('getTeacherHomeClasses'));
+assert(home.includes('<el-option label="全部" value="" />'));
+assert(home.includes('trends.flatMap'));
+assert(home.includes('scoresByDate'));
+assert(!home.includes('stack: "Total"'));
+assert(!home.includes('msgWarning("请选择班级")'));
+
+console.log('teacher admin home all-class chart checks passed');
diff --git a/tests/teacher-score-scope.static.test.cjs b/tests/teacher-score-scope.static.test.cjs
index e5f4f9b..b0a436b 100644
--- a/tests/teacher-score-scope.static.test.cjs
+++ b/tests/teacher-score-scope.static.test.cjs
@@ -17,5 +17,5 @@ assert(page.includes('产品上线与运营推广'));
 assert(page.includes('综合实训'));
 assert(page.includes('foundationWeight'));
 assert(page.includes('comprehensiveTrainingWeight'));
-assert(home.includes('getOwnedTeachingClasses'));
+assert(home.includes('getOwnedTeachingClasses') || home.includes('getTeacherHomeClasses'));
 console.log('teacher score scope static checks passed');