diff --git a/src/chain/allchain.ts b/src/chain/allchain.ts
index a19d889..e5b9064 100644
--- a/src/chain/allchain.ts
+++ b/src/chain/allchain.ts
@@ -312,7 +312,7 @@ export const AllChains: IChain[] = [
   {
     name: 'opBNB Testnet',
     type: 'Testnet',
-    rpc: 'https://opbnb-testnet-rpc.bnbchain.org',
+    rpc: 'https://opbnb-testnet.nodereal.io/v1/9a0072da499a4301aec72bb4a5a57a41',
     id: 5611,
     symbol: 'tBNB',
     explorerurl: 'https://opbnb-testnet.bscscan.com',
diff --git a/src/models/CheckIn.ts b/src/models/CheckIn.ts
index 525fc21..5e19ff9 100644
--- a/src/models/CheckIn.ts
+++ b/src/models/CheckIn.ts
@@ -48,7 +48,7 @@ export class CheckInClass extends BaseModule {
     }
     const total = await CheckIn.countDocuments({ from: event.from })
     event.total = total + 1
-    event.maxSeq = Math.max(event.count, event.maxSeq || 1)
+    event.maxSeq = Math.max(event.count, preDayEvent.maxSeq || 1)
     try {
       await CheckIn.insertOrUpdate({ from: event.from, dateTag: event.dateTag }, event)
     } catch (err) {