diff --git a/src/views/basic/setUp/student.vue b/src/views/basic/setUp/student.vue
index 8d73f30..fae4654 100644
--- a/src/views/basic/setUp/student.vue
+++ b/src/views/basic/setUp/student.vue
@@ -249,7 +249,7 @@
             <el-select
               class="sel"
               v-model="formStuCla.classId"
-              placeholder="选择年级"
+              placeholder="选择班级"
             >
               <el-option disabled label="请选择" value=""></el-option>
               <el-option
@@ -259,6 +259,7 @@
                   item.subjectName ? '-' + item.subjectName : ''
                 }`"
                 :value="item.id"
+                :disabled="chooseClassisDisabled(item.id)"
               >
               </el-option>
             </el-select>
@@ -550,7 +551,7 @@ export default {
             ...query,
           });
           this.loading = false;
-          
+
           if (status === 0) {
             this.$message.success(info);
             this.diaStu = false;
@@ -584,6 +585,15 @@ export default {
         this.changeClazz();
       }
     },
+    //学生调班可选班级
+    chooseClassisDisabled(classId) {
+      let isDisabled = false;
+      let classIds = this.formStuCla.classList.map((item) => item.id);
+      if (classId != this.formStuCla.oldClassId && classIds.includes(classId)) {
+        isDisabled = true;
+      }
+      return isDisabled;
+    },
     //学生调班
     changeStu: _.throttle(
       function () {
@@ -721,7 +731,7 @@ export default {
         ...query,
       });
       this.loading = false;
-      
+
       if (status === 0) {
         this.studentList = (data.list && [...data?.list]) || [];
       } else {