修改

src/components/WebSet/WebSiteCertificate.vue

@@ -2,7 +2,9 @@
   .WebSiteCertificate .el-button.is-circle {
     padding: 6px;
   }
-
+  .WebSiteCertificate .w256{
+    width:256px!important;
+  }
 </style>
 <template>
   <!--护照签证资料-->
@@ -84,7 +86,7 @@
           </el-col>
           <el-col :span="12">
             <el-form-item label="国家">
-              <el-select v-model="addMsg.CountryId">
+              <el-select v-model="addMsg.CountryId" class="w256">
                 <el-option v-for="subItem in CountryList" :key="subItem.ID" :label="subItem.Name" :value="subItem.ID">
                 </el-option>
               </el-select>