diff --git a/src/components/root/index.vue b/src/components/root/index.vue
index b0701da..ebec917 100644
--- a/src/components/root/index.vue
+++ b/src/components/root/index.vue
@@ -151,9 +151,9 @@ onMounted(() => {
     () => props.data,
     val => {
       if (val.length !== store.$data.length) {
-        $param.rootHeight = getHeight();
         nextTick(() => {
           separateLineHeight.value = getHeight();
+          $param.rootHeight = getHeight();
         });
       }
     }
diff --git a/src/composables/useInView.ts b/src/composables/useInView.ts
index 7acdb3f..f1c989a 100644
--- a/src/composables/useInView.ts
+++ b/src/composables/useInView.ts
@@ -36,7 +36,7 @@ export default () => {
           inView[i].hide ||
           inView[i].flatIndex <= top.value ||
           inView[i].flatIndex >= bottom.value ||
-          store.$data.flatData[inView[i].flatIndex].id !== inView[i].id
+          !store.$data.flatData[inView[i].flatIndex].isSame(inView[i].data)
         ) {
           inView.splice(i, 1);
         }