[update] 外标的新车型实施日期和在产车实施日期改变也同步更新对应的备注字段，更新备注字段改成新增日期时往后面追加

src/components/customField/AddForm.vue

@@ -44,7 +44,7 @@
                                         v-model="formInline[item.dbFieldName]"
                                         :fieldName="item.dbFieldName"
                                         :disabled="disabled || disabledFieldList.includes(item.dbFieldName)"
-                                        @change="multipleDateChange"/>
+                                        @addDate="multipleAddDate"/>
                 <!--   5, 多行文本  -->
                 <a-textarea v-else-if="item.fieldShowType === FieldType.TEXTAREA.value"
                             :placeholder="$t('pleaseEnter')+item.dbFieldTxt"
@@ -773,11 +773,11 @@ export default {
       // this.formInline[value + '_by'] = id
       this.formInline = { ...this.formInline }
     },
-    // 多选日期改变
-    multipleDateChange (value, fieldName) {
+    // 多选日期添加了日期
+    multipleAddDate (value, fieldName) {
       if (this.needSyncRemarksDataField.includes(fieldName)) {
         // 有关联字段需要更新
-        this.formInline[fieldName + '_remarks'] = value
+        this.formInline[fieldName + '_remarks'] = (this.formInline[fieldName + '_remarks'] ? (this.formInline[fieldName + '_remarks'] + ',') : '') + value
         this.formInline = { ...this.formInline }
       }
     },