diff --git a/node/impl/full/state.go b/node/impl/full/state.go
index 5e01eaa5b..3ffe7b6b7 100644
--- a/node/impl/full/state.go
+++ b/node/impl/full/state.go
@@ -792,6 +792,8 @@ func (a *StateAPI) StateSectorPreCommitInfo(ctx context.Context, maddr address.A
 	pci, err := stmgr.PreCommitInfo(ctx, a.StateManager, maddr, n, ts)
 	if err != nil {
 		return miner.SectorPreCommitOnChainInfo{}, err
+	} else if pci == nil {
+		return miner.SectorPreCommitOnChainInfo{}, xerrors.Errorf("precommit info is not exists")
 	}
 
 	return *pci, err