From e55d0d00c02cf699b6e518223b3bc1043b535eb7 Mon Sep 17 00:00:00 2001
From: douboer <douboer@gmail.com>
Date: Wed, 11 Feb 2026 19:39:59 +0800
Subject: [PATCH] update at 2026-02-11 19:39:59

---
 frontend/src/components/SvgPreview.vue | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/frontend/src/components/SvgPreview.vue b/frontend/src/components/SvgPreview.vue
index a12c0d0..c9b6de5 100644
--- a/frontend/src/components/SvgPreview.vue
+++ b/frontend/src/components/SvgPreview.vue
@@ -69,6 +69,10 @@ const visiblePreviewItems = computed(() => {
   return previewItems.value.slice(0, renderedPreviewCount.value)
 })
 
+const hasRenderableInput = computed(() => {
+  return inputText.value.trim() !== '' && activePreviewFonts.value.length > 0
+})
+
 const previewTriggerIndex = computed(() => {
   if (!hasMorePreviewItems.value || visiblePreviewItems.value.length <= 0) {
     return -1
@@ -470,6 +474,8 @@ async function regeneratePreviews() {
 
   if (!inputText.value || inputText.value.trim() === '' || nextPreviewFonts.length === 0) {
     isGenerating.value = false
+    isBatchGenerating.value = false
+    batchOwnerToken = null
     return
   }
 
@@ -477,6 +483,14 @@ async function regeneratePreviews() {
 
   try {
     await loadNextPreviewBatch(generationToken)
+    if (
+      !isStaleGeneration(generationToken) &&
+      previewItems.value.length === 0 &&
+      processedFontCount.value < activePreviewFonts.value.length &&
+      !isBatchGenerating.value
+    ) {
+      await loadNextPreviewBatch(generationToken)
+    }
     if (
       !isStaleGeneration(generationToken) &&
       previewItems.value.length === 0 &&
@@ -571,9 +585,9 @@ defineExpose({
               previewErrorMessage
                 ? previewErrorMessage
                 : (
-                    inputText.trim() === '' || previewFonts.length === 0
+                    inputText.trim() === '' || activePreviewFonts.length === 0
                       ? '请选择字体并输入内容'
-                      : '暂无可显示预览'
+                      : (hasRenderableInput ? '暂无可显示预览' : '请选择字体并输入内容')
                   )
             )
       }}