diff --git a/core/blockchain.go b/core/blockchain.go
index e05b5dd45..9b93f421e 100644
--- a/core/blockchain.go
+++ b/core/blockchain.go
@@ -1295,7 +1295,7 @@ func (bc *BlockChain) writeBlockAndSetHead(block *types.Block, receipts []*types
 
 	ptd := bc.GetTd(block.ParentHash(), block.NumberU64()-1)
 	if ptd == nil {
-		return WriteStatus(0), consensus.ErrUnknownAncestor
+		return NonStatTy, consensus.ErrUnknownAncestor
 	}
 	// Make sure no inconsistent state is leaked during insertion
 	externTd := new(big.Int).Add(block.Difficulty(), ptd)
diff --git a/plugins/wrappers/backendwrapper/backendwrapper.go b/plugins/wrappers/backendwrapper/backendwrapper.go
index 71afedb92..21140abe9 100644
--- a/plugins/wrappers/backendwrapper/backendwrapper.go
+++ b/plugins/wrappers/backendwrapper/backendwrapper.go
@@ -206,13 +206,50 @@ func (p *progress) CurrentBlock() uint64 {
 func (p *progress) HighestBlock() uint64 {
 	return p.p.HighestBlock
 }
+
 func (p *progress) PulledStates() uint64 {
-	//return p.p.PulledStates
-	return 93845203
+	return 0
 }
 func (p *progress) KnownStates() uint64 {
-	//return p.p.KnownStates
-	return 2093847029
+	return 0
+}
+
+//TODO remove after new Plugeth-utils
+func (p *progress) SyncedAccounts() uint64 {
+	return p.p.SyncedAccounts
+}
+func (p *progress) SyncedAccountBytes() uint64 {
+	return p.p.SyncedAccountBytes
+}
+func (p *progress) SyncedBytecodes() uint64 {
+	return p.p.SyncedBytecodes
+}
+func (p *progress) SyncedBytecodeBytes() uint64 {
+	return p.p.SyncedBytecodeBytes
+}
+func (p *progress) SyncedStorage() uint64 {
+	return p.p.SyncedStorage
+}
+func (p *progress) SyncedStorageBytes() uint64 {
+	return p.p.SyncedStorageBytes
+}
+func (p *progress) HealedTrienodes() uint64 {
+	return p.p.HealedTrienodes
+}
+func (p *progress) HealedTrienodeBytes() uint64 {
+	return p.p.HealedTrienodeBytes
+}
+func (p *progress) HealedBytecodes() uint64 {
+	return p.p.HealedBytecodes
+}
+func (p *progress) HealedBytecodeBytes() uint64 {
+	return p.p.HealedBytecodeBytes
+}
+func (p *progress) HealingTrienodes() uint64 {
+	return p.p.HealingTrienodes
+}
+func (p *progress) HealingBytecode() uint64 {
+	return p.p.HealingBytecode
 }
 
 func (d *dl) Progress() core.Progress {
diff --git a/plugins/wrappers/wrappers.go b/plugins/wrappers/wrappers.go
index e50280c12..0b0389f4a 100644
--- a/plugins/wrappers/wrappers.go
+++ b/plugins/wrappers/wrappers.go
@@ -44,7 +44,7 @@ func (w *WrappedContract) GetOp(n uint64) core.OpCode {
 }
 
 func (w *WrappedContract) GetByte(n uint64) byte {
-	return w.c.GetByte(n)
+	return byte(w.c.GetOp(n))
 }
 
 func (w *WrappedContract) Caller() core.Address {