diff --git a/src/pages/sjtb/configTask/dataTable/index.vue b/src/pages/sjtb/configTask/dataTable/index.vue
index 5b75bdcc..0aa3036d 100644
--- a/src/pages/sjtb/configTask/dataTable/index.vue
+++ b/src/pages/sjtb/configTask/dataTable/index.vue
@@ -87,7 +87,12 @@ function handleModeChange(newValues: string[]) {
 
   // 新增节点
   added.forEach((value) => {
-    const item = modeList.value.find(item => item.value === value);
+    let item = modeList.value.find((item: any) => item.value === value);
+    // 兼容手动输入：allow-create 时下拉项中不存在该 value，使用输入值作为 label 并补充到 modeList
+    if (!item) {
+      item = { value, label: value };
+      modeList.value.push(item);
+    }
     if (item) {
       graph.value?.addChildNode(formData.sourceId, {
         id: value,
@@ -359,7 +364,8 @@ function handleCancel() {
       </ElFormItem>
       <ElFormItem :label="t('mode')">
         <ElSelect v-model="formData.mode" style="width: 220px" multiple :max-collapse-tags="0" collapse-tags
-          collapse-tags-tooltip :placeholder="t('pleaseSelect')" class="custom-select" @change="handleModeChange">
+          collapse-tags-tooltip filterable allow-create default-first-option :reserve-keyword="false"
+          :placeholder="t('pleaseSelect')" class="custom-select" @change="handleModeChange">
           <ElOption v-for="(item, index) in modeList" :key="index" :label="item.label" :value="item.value" />
         </ElSelect>
       </ElFormItem>