diff --git a/accountmanager/accountmanager.go b/accountmanager/accountmanager.go
index 3caca32d..139c6613 100644
--- a/accountmanager/accountmanager.go
+++ b/accountmanager/accountmanager.go
@@ -913,7 +913,10 @@ func (am *AccountManager) process(action *types.Action) error {
 			if action.Recipient() != common.Name(sysName) {
 				return ErrToNameInvalid
 			}
+		} else {
+			return ErrAmountValueInvalid
 		}
+
 		if err := am.TransferAsset(action.Sender(), action.Recipient(), action.AssetID(), action.Value()); err != nil {
 			return err
 		}
diff --git a/consensus/dpos/processor.go b/consensus/dpos/processor.go
index 70ef2566..c37f36a5 100644
--- a/consensus/dpos/processor.go
+++ b/consensus/dpos/processor.go
@@ -17,6 +17,7 @@
 package dpos
 
 import (
+	"fmt"
 	"math/big"
 
 	"github.com/fractalplatform/fractal/accountmanager"
@@ -70,6 +71,11 @@ func (dpos *Dpos) processAction(chainCfg *params.ChainConfig, state *state.State
 			},
 		},
 	}
+
+	if action.Value().Cmp(big.NewInt(0)) > 0 {
+		return fmt.Errorf("invalid action value, must be zero")
+	}
+
 	switch action.Type() {
 	case types.RegProducer:
 		arg := &RegisterProducer{}
@@ -122,12 +128,12 @@ func (dpos *Dpos) processAction(chainCfg *params.ChainConfig, state *state.State
 	default:
 		return accountmanager.ErrUnkownTxType
 	}
-	accountDB, err := accountmanager.NewAccountManager(state)
-	if err != nil {
-		return err
-	}
-	if action.Value().Cmp(big.NewInt(0)) > 0 {
-		accountDB.TransferAsset(action.Sender(), action.Recipient(), action.AssetID(), action.Value())
-	}
+	// accountDB, err := accountmanager.NewAccountManager(state)
+	// if err != nil {
+	// 	return err
+	// }
+	// if action.Value().Cmp(big.NewInt(0)) > 0 {
+	// 	accountDB.TransferAsset(action.Sender(), action.Recipient(), action.AssetID(), action.Value())
+	// }
 	return nil
 }
diff --git a/test/contract/MultiAsset/MultiAsset.sol b/test/contract/MultiAsset/MultiAsset.sol
index 2ab98ec3..305adfd8 100644
--- a/test/contract/MultiAsset/MultiAsset.sol
+++ b/test/contract/MultiAsset/MultiAsset.sol
@@ -9,11 +9,11 @@ contract MultiAsset {
         return issueasset(desc);
     }
 
-    function destroyasset(uint256 assetId, uint256 value) public returns(uint256)  {
+    function destroyasset1(uint256 assetId, uint256 value) public returns(uint256)  {
         return destroyasset(assetId, value);
     }
 
-    function getaccountid(address desc) public returns(uint256) {
+    function getaccountbyid(address desc) public returns(uint256) {
         return getaccountid(desc);
     }