From d16e6a869e05d8d942bf0d1edfe97ca6a9fb063d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=8D=83=E5=B2=9A=E4=B9=8B=E5=A4=8F?=
 <108566281+Blueteemo@users.noreply.github.com>
Date: Fri, 29 May 2026 13:03:56 +0800
Subject: [PATCH] fix: Dashboard list config item cannot input spaces (#8403)

* fix: Dashboard list config item cannot input spaces (#8393)

* docs: add comment clarifying pure-space filtering in watch is expected behavior
---
 dashboard/src/components/shared/ListConfigItem.vue | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/dashboard/src/components/shared/ListConfigItem.vue b/dashboard/src/components/shared/ListConfigItem.vue
index be81255af..caa2f96a8 100644
--- a/dashboard/src/components/shared/ListConfigItem.vue
+++ b/dashboard/src/components/shared/ListConfigItem.vue
@@ -205,8 +205,9 @@ const isSingleItemMode = computed(() => (props.modelValue?.length ?? 0) <= 1 &&
 const singleItemValue = computed({
   get: () => props.modelValue?.[0] ?? '',
   set: (value) => {
-    // 如果值为空或只有空白字符，emit 空数组
-    if (value.trim() === '') {
+    // 仅当值为完全空字符串（未输入任何字符）时清空数组，
+    // 允许包含空格（如 "hello world"）以及纯空格（如 " "）通过
+    if (value === '') {
       emit('update:modelValue', [])
       return
     }
@@ -241,7 +242,7 @@ const batchImportPreviewCount = computed(() => {
 watch(() => props.modelValue, (newValue) => {
   localItems.value = [...(newValue || [])]
   
-  // 自动清理只包含空字符串的数组
+  // 自动清理只包含空字符串或纯空格的条目（纯空格在配置中无意义，此过滤为预期兜底行为）
   if (newValue && newValue.length > 0) {
     const filtered = newValue.filter(item => typeof item === 'string' ? item.trim() !== '' : true)
     if (filtered.length !== newValue.length) {