diff --git a/pyproject.toml b/pyproject.toml
index d99041b..e50748c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ requires = ["setuptools>=77.0"]
 
 [project]
 name = "supernote"
-version = "1.2.0"
+version = "1.3.0"
 license = "Apache-2.0"
 license-files = ["LICENSE"]
 description = "All-in-one toolkit for Supernote devices: parse notebooks, self-host services, access services"
diff --git a/supernote/server/services/file.py b/supernote/server/services/file.py
index 058312c..08a0eca 100644
--- a/supernote/server/services/file.py
+++ b/supernote/server/services/file.py
@@ -976,7 +976,9 @@ async def convert_note_to_png(self, user: str, file_id: int) -> list[Conversions
                     )
                     any_new_pages = True
 
-                results.append(ConversionsVO(storage_key=png_storage_key, page_no=i))
+                results.append(
+                    ConversionsVO(storage_key=png_storage_key, page_no=i + 1)
+                )
 
             # Persist the MD5 used for this conversion so future calls can clean up stale images.
             if any_new_pages or node.last_conversion_md5 != current_md5:
diff --git a/supernote/server/static/js/components/FileViewer.js b/supernote/server/static/js/components/FileViewer.js
index 64088a2..620a40b 100644
--- a/supernote/server/static/js/components/FileViewer.js
+++ b/supernote/server/static/js/components/FileViewer.js
@@ -1,4 +1,4 @@
-import { ref, computed, watch, onMounted } from 'https://unpkg.com/vue@3/dist/vue.esm-browser.js';
+import { ref, computed, watch, onMounted, onUnmounted, nextTick } from 'https://unpkg.com/vue@3/dist/vue.esm-browser.js';
 import { convertNoteToPng, fetchStaleness, reprocessFile, reprocessPage } from '../api/client.js';
 import SummaryPanel from './SummaryPanel.js';
 
@@ -18,6 +18,8 @@ export default {
         const isLoading = ref(false);
         const error = ref(null);
         const showDetails = ref(false);
+        const activePage = ref(1);
+        const scrollContainerRef = ref(null);
 
         // Staleness state
         const stalenessData = ref(null);      // full response from /staleness
@@ -114,6 +116,40 @@ export default {
             }
         }
 
+        // IntersectionObserver: track which page is most visible in the scroll area
+        let pageObserver = null;
+        const pageVisibility = new Map(); // pageNo -> intersectionRatio
+
+        function setupPageObserver() {
+            if (pageObserver) { pageObserver.disconnect(); pageObserver = null; }
+            if (!scrollContainerRef.value || !pages.value.length) return;
+
+            pageObserver = new IntersectionObserver((records) => {
+                for (const record of records) {
+                    const pageNo = parseInt(record.target.dataset.pageNo);
+                    pageVisibility.set(pageNo, record.intersectionRatio);
+                }
+                let best = activePage.value, bestRatio = -1;
+                for (const [pageNo, ratio] of pageVisibility) {
+                    if (ratio > bestRatio) { bestRatio = ratio; best = pageNo; }
+                }
+                if (bestRatio > 0) activePage.value = best;
+            }, { root: scrollContainerRef.value, threshold: [0, 0.25, 0.5, 0.75, 1.0] });
+
+            for (const page of pages.value) {
+                const el = scrollContainerRef.value.querySelector(`[data-page-no="${page.pageNo}"]`);
+                if (el) pageObserver.observe(el);
+            }
+        }
+
+        watch(pages, async () => {
+            pageVisibility.clear();
+            await nextTick();
+            setupPageObserver();
+        }, { flush: 'post' });
+
+        onUnmounted(() => { if (pageObserver) pageObserver.disconnect(); });
+
         onMounted(loadPages);
         watch(() => props.file, loadPages);
 
@@ -122,6 +158,8 @@ export default {
             isLoading,
             error,
             showDetails,
+            activePage,
+            scrollContainerRef,
             stalenessData,
             staleCount,
             reprocessingAll,
@@ -170,7 +208,7 @@ export default {
         <!-- Main Content Area -->
         <div class="flex-1 overflow-hidden relative flex">
             <!-- Pages (Scrollable) -->
-            <div class="flex-1 overflow-y-auto p-4 sm:p-8">
+            <div ref="scrollContainerRef" class="flex-1 overflow-y-auto p-4 sm:p-8">
                 <div class="max-w-4xl mx-auto">
                     <!-- Error State -->
                     <div v-if="error" class="bg-white dark:bg-gray-800 p-12 rounded border border-gray-200 dark:border-gray-700 text-center">
@@ -189,7 +227,7 @@ export default {
 
                     <!-- Pages List -->
                     <div v-if="!isLoading && !error && pages.length > 0" class="space-y-6">
-                        <div v-for="page in pages" :key="page.pageNo" class="bg-white dark:bg-gray-800 rounded border border-gray-200 dark:border-gray-700 overflow-hidden">
+                        <div v-for="page in pages" :key="page.pageNo" :data-page-no="page.pageNo" class="bg-white dark:bg-gray-800 rounded border border-gray-200 dark:border-gray-700 overflow-hidden">
                             <div class="border-b border-gray-200 dark:border-gray-700 p-3 bg-gray-50 dark:bg-gray-700 flex justify-between items-center text-xs text-gray-400 font-mono">
                                 <div class="flex items-center gap-2">
                                     <span>Page {{ page.pageNo }}</span>
@@ -221,7 +259,7 @@ export default {
                 leave-to-class="translate-x-full"
             >
                 <div v-if="showDetails" class="w-96 border-l border-gray-200 dark:border-gray-700 z-20 absolute right-0 top-0 bottom-0 bg-white dark:bg-gray-800 md:relative">
-                    <summary-panel :file-id="file.id" @close="showDetails = false"></summary-panel>
+                    <summary-panel :file-id="file.id" :active-page="activePage" @close="showDetails = false"></summary-panel>
                 </div>
             </transition>
         </div>
diff --git a/supernote/server/static/js/components/SummaryPanel.js b/supernote/server/static/js/components/SummaryPanel.js
index 91c77e7..1ca8017 100644
--- a/supernote/server/static/js/components/SummaryPanel.js
+++ b/supernote/server/static/js/components/SummaryPanel.js
@@ -1,13 +1,18 @@
-import { ref, onMounted, watch } from 'vue';
+import { ref, onMounted, watch, nextTick } from 'vue';
 import { fetchSummaries, fetchOcrPages } from '../api/client.js';
 
 export default {
     props: {
         fileId: {
             required: true
+        },
+        activePage: {
+            type: Number,
+            default: 1
         }
     },
     setup(props) {
+        const ocrContainerRef = ref(null);
         // AI tab state
         const summaries = ref([]);
         const isLoading = ref(false);
@@ -30,7 +35,9 @@ export default {
             try {
                 const result = await fetchSummaries(props.fileId);
                 // Sort by creation time desc
-                summaries.value = result.sort((a, b) => (b.creationTime || 0) - (a.creationTime || 0));
+                summaries.value = result
+                    .filter(s => (s.dataSource || '').toUpperCase() !== 'OCR')
+                    .sort((a, b) => (b.creationTime || 0) - (a.creationTime || 0));
             } catch (e) {
                 console.error(e);
                 error.value = "Failed to load summaries.";
@@ -61,6 +68,17 @@ export default {
             if (tab === 'ocr') loadOcr();
         };
 
+        function scrollOcrToPage(pageNo) {
+            if (!ocrContainerRef.value || !pageNo) return;
+            const el = ocrContainerRef.value.querySelector(`[data-ocr-page="${pageNo}"]`);
+            if (el) el.scrollIntoView({ block: 'start', behavior: 'smooth' });
+        }
+
+        watch([() => props.activePage, activeTab], ([newPage, tab]) => {
+            if (tab !== 'ocr') return;
+            nextTick(() => scrollOcrToPage(newPage));
+        });
+
         onMounted(loadSummaries);
         watch(() => props.fileId, () => {
             // Reset all state when the viewed file changes
@@ -90,6 +108,7 @@ export default {
             ocrPages,
             isOcrLoading,
             ocrError,
+            ocrContainerRef,
             selectTab,
             formatContent,
             formatDate
@@ -163,7 +182,7 @@ export default {
         </div>
 
         <!-- OCR Tab Content -->
-        <div v-if="activeTab === 'ocr'" class="flex-1 overflow-y-auto p-4 space-y-4">
+        <div v-if="activeTab === 'ocr'" ref="ocrContainerRef" class="flex-1 overflow-y-auto p-4 space-y-4">
             <!-- Loading -->
             <div v-if="isOcrLoading" class="flex flex-col items-center justify-center py-12">
                 <div class="animate-spin rounded-full h-8 w-8 border-b-2 border-black dark:border-white mb-3"></div>
@@ -182,7 +201,7 @@ export default {
             </div>
 
             <!-- Pages -->
-            <div v-for="page in ocrPages" :key="page.pageIndex" class="bg-gray-50 dark:bg-gray-700 rounded p-4 border border-gray-200 dark:border-gray-600">
+            <div v-for="page in ocrPages" :key="page.pageIndex" :data-ocr-page="page.pageIndex + 1" class="bg-gray-50 dark:bg-gray-700 rounded p-4 border border-gray-200 dark:border-gray-600">
                 <div class="text-xs font-semibold text-gray-500 dark:text-gray-400 mb-2 font-mono">
                     Page {{ page.pageIndex + 1 }}
                 </div>