diff --git a/src/pages/Home/Banner/index.tsx b/src/pages/Home/Banner/index.tsx
index bab0e05cc..22611a0bf 100644
--- a/src/pages/Home/Banner/index.tsx
+++ b/src/pages/Home/Banner/index.tsx
@@ -8,13 +8,14 @@ const { BACKUP_NODES: backupNodes } = config
 
 export default () => {
   const { data: size } = useQuery(
-    ['backup_nodes'],
+    ['backnode_tip_header'],
     async () => {
       try {
         if (backupNodes.length === 0) return null
 
-        const [size1, size2] = await Promise.race(backupNodes.map(getKnowledgeSize))
-        return size1 ?? size2
+        const size = await Promise.race(backupNodes.map(getKnowledgeSize))
+
+        return size
       } catch {
         return null
       }
diff --git a/src/pages/Home/Banner/utils.ts b/src/pages/Home/Banner/utils.ts
index c2df57ef5..7edbad234 100644
--- a/src/pages/Home/Banner/utils.ts
+++ b/src/pages/Home/Banner/utils.ts
@@ -1,3 +1,4 @@
+import { ckbDecimals } from '@ckb-lumos/bi'
 import BigNumber from 'bignumber.js'
 
 /**
@@ -5,6 +6,7 @@ import BigNumber from 'bignumber.js'
  * ref: https://talk.nervos.org/t/how-to-get-the-average-occupied-bytes-per-live-cell-in-ckb/7138/2?u=keith
  * */
 const EXCLUDE = BigNumber('504000000000000000')
+const CKB_DECIMAL = BigNumber(10).pow(ckbDecimals)
 
 export const getKnowledgeSize = async (nodeUrl: string) => {
   const header = await fetch(nodeUrl, {
@@ -25,6 +27,6 @@ export const getKnowledgeSize = async (nodeUrl: string) => {
     .slice(2)
     .match(/\w{16}/g)
     .map((i: string) => i.match(/\w{2}/g)?.reverse().join('') ?? '')
-  const total = BigNumber(`0x${u}`).minus(EXCLUDE).toFormat()
+  const total = BigNumber(`0x${u}`).minus(EXCLUDE).div(CKB_DECIMAL).toNumber()
   return total
 }