update:按钮加载中状态防止连发

src/views/CA/UnitApply.vue

@@ -191,10 +191,7 @@
                 </a-button>
               </a-upload>
             </a-form-item>
-            <a-form-item
-              label="电子印章申请"
-              v-bind="formItemLayoutWithOutLabel"
-            >
+            <a-form-item label="电子印章申请">
               <a-button type="dashed" style="width: 100%" @click="addSealApply">
                 <PlusOutlined />
                 添加电子印章
@@ -264,7 +261,9 @@
             :loading="loading"
             >查询</a-button
           >
-          <a-button v-else type="primary" @click="onSubmit">提交</a-button>
+          <a-button v-else type="primary" @click="onSubmit" :loading="loading"
+            >提交</a-button
+          >
           <a-button style="margin-left: 10px" @click="toggleDrawer"
             >历史提交记录</a-button
           >
@@ -333,7 +332,11 @@
 </style>
 <script>
 import { message, Modal } from "ant-design-vue";
-import { UploadOutlined, DownloadOutlined } from "@ant-design/icons-vue";
+import {
+  UploadOutlined,
+  DownloadOutlined,
+  PlusOutlined
+} from "@ant-design/icons-vue";
 import { useForm } from "@ant-design-vue/use";
 import { computed, onMounted, reactive, ref, toRaw, inject } from "vue";
 import { get, post } from "@/services/http";
@@ -356,7 +359,8 @@ const editModifyFlag = toBit("0100");
 export default {
   components: {
     UploadOutlined,
-    DownloadOutlined
+    DownloadOutlined,
+    PlusOutlined
   },
   setup() {
     const modelRef = reactive({