diff --git a/rpcapi/api/contract_v2.go b/rpcapi/api/contract_v2.go
index 6130ecf07..4e75f3e17 100644
--- a/rpcapi/api/contract_v2.go
+++ b/rpcapi/api/contract_v2.go
@@ -438,7 +438,7 @@ func (r *ContractApi) GetSBPRewardPendingWithdrawal(name string) (*SBPReward, er
 		return nil, err
 	}
 	if info == nil {
-		return nil, nil
+		return nil, util.ErrSBPNotExists
 	}
 	sb, err := db.LatestSnapshotBlock()
 	if err != nil {
@@ -507,6 +507,9 @@ func (r *ContractApi) GetSBP(name string) (*SBPInfo, error) {
 	if err != nil {
 		return nil, err
 	}
+	if info == nil {
+		return nil, util.ErrSBPNotExists
+	}
 	sb, err := db.LatestSnapshotBlock()
 	if err != nil {
 		return nil, err
diff --git a/vm/contracts/abi/abi_gonvernance.go b/vm/contracts/abi/abi_gonvernance.go
index 21b777987..4c64c7f73 100644
--- a/vm/contracts/abi/abi_gonvernance.go
+++ b/vm/contracts/abi/abi_gonvernance.go
@@ -363,7 +363,7 @@ func GetRegistration(db StorageDatabase, gid types.Gid, name string) (*types.Reg
 		return nil, err
 	}
 	if len(value) == 0 {
-		return nil, util.ErrSBPNotExists
+		return nil, nil
 	}
 
 	return UnpackRegistration(value)