diff --git a/jero-web/src/views/projectManagement/components/certificationList/components/addModel.vue b/jero-web/src/views/projectManagement/components/certificationList/components/addModel.vue
index 9c55878d8..ae8c48599 100644
--- a/jero-web/src/views/projectManagement/components/certificationList/components/addModel.vue
+++ b/jero-web/src/views/projectManagement/components/certificationList/components/addModel.vue
@@ -21,6 +21,7 @@
                 <a-form-model-item class="itemModel" :prop="this.formInline.id?'':'serialNumber'">
                   <a-select :placeholder="$t('PleaseSelect')+$t('regulationNo')"
                             optionFilterProp="label"
+                            v-if="!this.formInline.id"
                             @change="serialNumberChange"
                             :disabled="this.formInline.id?true:false"
                             showSearch
@@ -35,6 +36,11 @@
                      </span>
                     </a-select-option>
                   </a-select>
+                  <a-input class="box-input"
+                           :disabled="true"
+                           v-else
+                           v-model.trim="formInline.serialNumber"
+                           :placeholder="$t('PleaseEnter')+this.$t('regulationNo')"/>
                 </a-form-model-item>
               </div>
             </a-col>