diff --git a/packages/neuron-wallet/src/services/indexer/queue.ts b/packages/neuron-wallet/src/services/indexer/queue.ts
index 609127bee5..3e10f90410 100644
--- a/packages/neuron-wallet/src/services/indexer/queue.ts
+++ b/packages/neuron-wallet/src/services/indexer/queue.ts
@@ -59,6 +59,11 @@ export default class IndexerQueue {
     this.indexed = false
   }
 
+  public appendLockHashInfos = (lockHashInfos: LockHashInfo[]): void => {
+    const infos = this.lockHashInfos.concat(lockHashInfos)
+    this.setLockHashInfos(infos)
+  }
+
   public reset = () => {
     this.resetFlag = true
   }
diff --git a/packages/neuron-wallet/src/startup/sync-block-task/indexer.ts b/packages/neuron-wallet/src/startup/sync-block-task/indexer.ts
index 03cae4e870..10c2a567a0 100644
--- a/packages/neuron-wallet/src/startup/sync-block-task/indexer.ts
+++ b/packages/neuron-wallet/src/startup/sync-block-task/indexer.ts
@@ -51,7 +51,7 @@ export const switchNetwork = async (nodeURL: string) => {
           })
         })
       )).reduce((acc, val) => acc.concat(val), [])
-      indexerQueue.setLockHashInfos(infos)
+      indexerQueue.appendLockHashInfos(infos)
     }
   })