diff --git a/src/views/teacherEnd/class/index.vue b/src/views/teacherEnd/class/index.vue
index 8376ff9..1c414c3 100644
--- a/src/views/teacherEnd/class/index.vue
+++ b/src/views/teacherEnd/class/index.vue
@@ -190,6 +190,7 @@ const selectedTeachingClass = ref(null);
 
 const currentUserId = computed(() => userStore.userInfo.userId);
 const currentSchoolId = computed(() => userStore.userInfo.schoolId);
+const isManagerTeacher = computed(() => userStore.userInfo.teacherAdmin === true);
 const legacyAdminEnabled = computed(() => userStore.schoolProductConfig?.organizationMode !== "TEACHING_CLASS_ONLY");
 const facultyManagementEnabled = computed(() => userStore.schoolProductConfig?.facultyManagementEnabled ?? legacyAdminEnabled.value);
 const majorManagementEnabled = computed(() => userStore.schoolProductConfig?.majorManagementEnabled ?? legacyAdminEnabled.value);
@@ -290,6 +291,7 @@ function defaultMemberParams() {
     schoolClassId: "",
     name: "",
     userName: "",
+    operatorId: currentUserId.value,
   };
 }
 
@@ -304,6 +306,9 @@ function canOperateClass(schoolClass) {
   if (schoolClass?.dataSource === "ZHIYUN") {
     return false;
   }
+  if (isManagerTeacher.value) {
+    return !schoolClass?.schoolId || String(schoolClass.schoolId) === String(currentSchoolId.value);
+  }
   if (normalizeClassType(schoolClass) === "ADMIN") {
     return !schoolClass?.schoolId || schoolClass.schoolId === currentSchoolId.value;
   }
diff --git a/src/views/teacherEnd/student/index.vue b/src/views/teacherEnd/student/index.vue
index 56f7e9c..cc84d8d 100644
--- a/src/views/teacherEnd/student/index.vue
+++ b/src/views/teacherEnd/student/index.vue
@@ -11,7 +11,7 @@
     <div class="df">
       <div class="online">
         <span>班级:</span>
-        <el-select v-model="paramsquery.schoolClassId" placeholder="" style="width: 14rem" clearable class="ml10">
+        <el-select v-model="paramsquery.schoolClassId" placeholder="" style="width: 14rem" clearable class="ml10" @change="handleClassFilterChange">
           <el-option v-for="school in studentClassOptions" :key="school.schoolClassId" :label="school.className" :value="school.schoolClassId" />
         </el-select>
       </div>
@@ -403,6 +403,11 @@ const normalizeClassType = (schoolClass) => {
   return schoolClass?.createdBy ? "TEACHING" : "ADMIN";
 };
 const sameValue = (left, right) => String(left || "") === String(right || "");
+const classCreateTime = (schoolClass) => {
+  if (!schoolClass?.createTime) return Number.MAX_SAFE_INTEGER;
+  const value = new Date(schoolClass.createTime).getTime();
+  return Number.isNaN(value) ? Number.MAX_SAFE_INTEGER : value;
+};
 const canUseAdminClassForStudent = (schoolClass) => {
   if (normalizeClassType(schoolClass) !== "ADMIN") return false;
   return !schoolClass?.schoolId || sameValue(schoolClass.schoolId, currentSchoolId.value);
@@ -414,7 +419,7 @@ const teachingClassOptions = computed(() =>
       normalizeClassType(schoolClass) === "TEACHING" &&
       sameValue(schoolClass.schoolId, currentSchoolId.value) &&
       (isManagerTeacher.value || sameValue(schoolClass.createdBy, currentUserId.value))
-  )
+  ).sort((left, right) => classCreateTime(left) - classCreateTime(right))
 );
 const studentClassOptions = computed(() => teachingClassOptions.value);
 const currentTeachingClassId = () => {
@@ -430,10 +435,19 @@ const beforeImportStudents = (file) => {
   return true;
 };
 const getClassList = () => {
-  indexApi.getClassListBySchoolId({ schoolId: userStore.userInfo.schoolId }).then((res) => {
+  return indexApi.getClassListBySchoolId({ schoolId: userStore.userInfo.schoolId }).then((res) => {
     classList.value = res.data;
   });
 };
+const selectDefaultStudentClass = () => {
+  if (!isManagerTeacher.value && !paramsquery.value.schoolClassId) {
+    paramsquery.value.schoolClassId = teachingClassOptions.value[0]?.schoolClassId || "";
+  }
+};
+const handleClassFilterChange = () => {
+  paramsquery.value.index = 1;
+  getList();
+};
 const classList1 = ref([]);
 // 根据专业查班级
 const getClassByMajor = () => {
@@ -484,8 +498,9 @@ const initPassword = (row, status) => {
 };
 onMounted(async () => {
   await userStore.ensureSchoolProductConfig().catch(() => null);
+  await getClassList();
+  selectDefaultStudentClass();
   getList();
-  getClassList();
   if (!isTeacherRosterMode.value) {
     getFacultyList();
   }
diff --git a/tests/teacher-admin-class-access.static.test.cjs b/tests/teacher-admin-class-access.static.test.cjs
new file mode 100644
index 0000000..0f9dfe8
--- /dev/null
+++ b/tests/teacher-admin-class-access.static.test.cjs
@@ -0,0 +1,16 @@
+const assert = require("assert");
+const fs = require("fs");
+const path = require("path");
+
+const page = fs.readFileSync(
+  path.resolve(__dirname, "../src/views/teacherEnd/class/index.vue"),
+  "utf8"
+);
+
+assert(page.includes("const isManagerTeacher = computed(() => userStore.userInfo.teacherAdmin === true);"));
+assert(/if \(isManagerTeacher\.value\) \{[\s\S]*schoolClass\.schoolId[\s\S]*currentSchoolId\.value[\s\S]*\}/.test(page));
+assert(page.includes("const selectedTeachingClassCanOperate = computed(() => canOperateClass(selectedTeachingClass.value));"));
+assert(/function defaultMemberParams\(\) \{[\s\S]*operatorId: currentUserId\.value,[\s\S]*\}/.test(page));
+assert(page.includes('v-if="canOperateClass(row.schoolClass)"'));
+
+console.log("teacher administrator class access contract passed");
diff --git a/tests/teacher-owned-student-management.static.test.cjs b/tests/teacher-owned-student-management.static.test.cjs
index 613ca94..6a0773b 100644
--- a/tests/teacher-owned-student-management.static.test.cjs
+++ b/tests/teacher-owned-student-management.static.test.cjs
@@ -9,6 +9,11 @@ assert(page.includes("operatorId: currentUserId.value"), "学生列表必须携
 assert(page.includes("const isManagerTeacher = computed(() => userStore.userInfo.teacherAdmin === true);"), "教师管理员身份必须由当前登录账号识别");
 assert(page.includes("const studentClassOptions = computed(() => teachingClassOptions.value);"), "学生筛选下拉框必须只展示教学班");
 assert(page.includes("isManagerTeacher.value || sameValue(schoolClass.createdBy, currentUserId.value)"), "教师管理员必须可查看本校全部教学班");
+assert(page.includes(".sort((left, right) => classCreateTime(left) - classCreateTime(right))"), "普通教师的班级选项必须按创建时间升序排列");
+assert(page.includes("if (!isManagerTeacher.value && !paramsquery.value.schoolClassId)"), "普通教师必须默认选中自己最早创建的教学班");
+assert(page.includes('paramsquery.value.schoolClassId = teachingClassOptions.value[0]?.schoolClassId || "";'), "默认班级必须取排序后的第一个教学班");
+assert(page.includes("await getClassList();\n  selectDefaultStudentClass();\n  getList();"), "学生列表必须在默认班级确定后查询");
+assert(page.includes('@change="handleClassFilterChange"'), "切换班级后必须立即刷新学生列表");
 assert(page.includes("const resolveRowTeachingClassId = (row) =>"), "未选择班级时操作必须从学生行解析教学班");
 assert(page.includes('class="student-action-group"'), "学生操作按钮必须使用固定操作组布局");
 assert(page.includes("flex-wrap: nowrap"), "学生操作按钮不得换行");