write error - form name error

(cherry picked from commit c15ab420e23d0f70345440f056b3d364c055a2e8)

src/views/system/user/profile/school-detail.vue

@@ -10,8 +10,7 @@
           未到重选班级时间<span class="f-red">*</span>
         </el-form-item>
       </el-form>
-      <class-tree-form ref="studentForms" :data-source="classTree" :model-value="model"
-                       :disabled="!allowClassSelect"></class-tree-form>
+      <class-tree-form ref="studentForm" :data-source="classTree" :model-value="model" :disabled="!allowClassSelect" />
       <div class="fx-row fx-cen-cen mt20">
         <el-button v-if="isFrontTeacher" type="primary" round style="width: 150px" @click="handleExchange">申请换班
         </el-button>
@@ -25,8 +24,7 @@
     </el-card>
     <el-dialog v-if="applyDialogVisible" :visible.sync="applyDialogVisible" title="申请更换授课班级" type="center"
                width="600px">
-      <class-tree-form ref="form" :modelValue="model" :rules="rules" :dataSource="classTree">
-      </class-tree-form>
+      <class-tree-form ref="form" :modelValue="model" :rules="rules" :dataSource="classTree" />
       <div class="fx-row fx-end-cen mt20">
         <el-button @click="handleClose">取消</el-button>
         <el-button type="primary" @click="handleConfirm">确定</el-button>