diff --git a/components.d.ts b/components.d.ts
index b124c6f..393e90d 100644
--- a/components.d.ts
+++ b/components.d.ts
@@ -11,7 +11,9 @@ export {}
 /* prettier-ignore */
 declare module 'vue' {
   export interface GlobalComponents {
+    2: typeof import('./src/components/virtual-scroller/VirtualScroller copy 2.vue')['default']
     Canvas: typeof import('./src/components/canvas/index.vue')['default']
+    copy: typeof import('./src/components/virtual-scroller/VirtualScroller copy.vue')['default']
     DialogBox: typeof import('./src/components/dialogBox/index.vue')['default']
     ElButton: typeof import('element-plus/es')['ElButton']
     ElDatePicker: typeof import('element-plus/es')['ElDatePicker']
diff --git a/src/components/virtual-scroller/VirtualScroller.vue b/src/components/virtual-scroller/VirtualScroller.vue
index 85f8a37..55f5a2b 100644
--- a/src/components/virtual-scroller/VirtualScroller.vue
+++ b/src/components/virtual-scroller/VirtualScroller.vue
@@ -202,20 +202,22 @@ const visibleRange = computed(() => {
   }
   
   offset = startOffset
+  endIndex = startIndex
   for (let i = startIndex; i < computedData.value.length; i++) {
     const cachedHeight = itemHeights.value.get(i)
     const height = cachedHeight !== undefined ? cachedHeight : props.estimatedHeight
     
-    if (offset >= currentScrollTop + viewportHeight) {
+    offset += height
+    
+    if (offset > currentScrollTop + viewportHeight) {
       endIndex = Math.min(computedData.value.length - 1, i + bufferCount)
       break
     }
     
-    offset += height
     endIndex = i
   }
   
-  return { start: startIndex, end: endIndex, offset: startOffset }
+  return { start: Math.min(startIndex, endIndex), end: Math.max(startIndex, endIndex), offset: startOffset }
 })
 
 const visibleItems = computed(() => {
diff --git a/src/config/runninghub/index.js b/src/config/runninghub/index.js
index 3e58cfe..527a381 100644
--- a/src/config/runninghub/index.js
+++ b/src/config/runninghub/index.js
@@ -16,7 +16,9 @@ export async function Playload(data) {
           nodeInfoList.push(json.nodeInfoList[key.name])
         }
       }
-      json.nodeInfoList.index.fieldValue = data.imgs.length - 1
+      if (json.nodeInfoList.index) {
+        json.nodeInfoList.index.fieldValue = data.imgs.length - 1
+      }
     }
     
     if (Array.isArray(data.params)) {