fix

src/views/student_manager/BatchRegistration.vue

@@ -4,7 +4,7 @@
       <div class="title-name">选择文件</div>
     </div>
     <div class="import-container">
-      <el-input v-model="file_name" size="small" placeholder="还未选择文件" />
+      <el-input v-model="file_name" disabled size="small" placeholder="还未选择文件" />
       <el-upload
         action="no"
         :before-upload="beforeUpload"