diff --git a/neo3-gui/neo3-gui/ClientApp/src/components/Chain/assetdetail.js b/neo3-gui/neo3-gui/ClientApp/src/components/Chain/assetdetail.js
index af7411d..d4dee51 100644
--- a/neo3-gui/neo3-gui/ClientApp/src/components/Chain/assetdetail.js
+++ b/neo3-gui/neo3-gui/ClientApp/src/components/Chain/assetdetail.js
@@ -112,7 +112,7 @@ class Assetdetail extends React.Component {
                           <span className="hint">
                             {t("blockchain.precision")}：
                           </span>
-                          {assetdetail.decimals ? assetdetail.decimals : "--"}
+                          {assetdetail.decimals ? assetdetail.decimals : "0"}
                         </li>
                         <li>
                           <span className="hint">
diff --git a/neo3-gui/neo3-gui/Common/Scanners/ExecuteResultScanner.cs b/neo3-gui/neo3-gui/Common/Scanners/ExecuteResultScanner.cs
index 6a37dd0..cbaed04 100644
--- a/neo3-gui/neo3-gui/Common/Scanners/ExecuteResultScanner.cs
+++ b/neo3-gui/neo3-gui/Common/Scanners/ExecuteResultScanner.cs
@@ -25,16 +25,28 @@ public class ExecuteResultScanner
         private bool _running = true;
         private uint _scanHeight = 0;
 
+        private uint _lastHeight = 0;
+        private DateTime _lastTime;
+
         public async Task Start()
         {
             _running = true;
             _scanHeight = _db.GetMaxSyncIndex() ?? 0;
+            _lastHeight = _scanHeight;
+            _lastTime = DateTime.Now;
             while (_running)
             {
                 try
                 {
                     if (await Sync(_scanHeight))
                     {
+                        if (_scanHeight - _lastHeight >= 500)
+                        {
+                            var span = DateTime.Now - _lastTime;
+                            Console.WriteLine($"Sync[{_lastHeight}-{_scanHeight}],cost:{span.TotalSeconds}");
+                            _lastTime=DateTime.Now;
+                            _lastHeight = _scanHeight;
+                        }
                         _scanHeight++;
                     }
                     if (_scanHeight > this.GetCurrentHeight())
diff --git a/neo3-gui/neo3-gui/Common/Storage/TrackDB.cs b/neo3-gui/neo3-gui/Common/Storage/TrackDB.cs
index c5907e2..5393bdd 100644
--- a/neo3-gui/neo3-gui/Common/Storage/TrackDB.cs
+++ b/neo3-gui/neo3-gui/Common/Storage/TrackDB.cs
@@ -255,6 +255,11 @@ public PageList<TransactionInfo> QueryTransactions(TransactionFilter filter, boo
                 var contracts = filter.Contracts.Select(a => a.ToBigEndianHex()).Distinct().ToList();
                 query = query.Where(tx => tx.InvokeContracts.Any(c => contracts.Contains(c.Contract.Hash) && c.Contract.DeleteTxId == null));
             }
+            if (filter.Assets.NotEmpty())
+            {
+                var assets = filter.Assets.Select(a => a.ToBigEndianHex()).Distinct().ToList();
+                query = query.Where(tx => tx.Transfers.Any(c => assets.Contains(c.Asset.Hash) && c.Asset.DeleteTxId == null));
+            }
             var pageList = new PageList<TransactionInfo>();
             var pageIndex = filter.PageIndex <= 0 ? 0 : filter.PageIndex - 1;
             pageList.TotalCount = query.Count();
diff --git a/neo3-gui/neo3-gui/Common/Storage/TransferFilter.cs b/neo3-gui/neo3-gui/Common/Storage/TransferFilter.cs
index 7f3a635..5727131 100644
--- a/neo3-gui/neo3-gui/Common/Storage/TransferFilter.cs
+++ b/neo3-gui/neo3-gui/Common/Storage/TransferFilter.cs
@@ -40,6 +40,11 @@ public class TransactionFilter
         /// </summary>
         public List<UInt160> Contracts { get; set; }
 
+        /// <summary>
+        /// Relate  asset contracts hash
+        /// </summary>
+        public List<UInt160> Assets { get; set; }
+
         /// <summary>
         /// start from 1,paged result only if this is not null
         /// </summary>
diff --git a/neo3-gui/neo3-gui/Models/JStackItem.cs b/neo3-gui/neo3-gui/Models/JStackItem.cs
index f5ff110..8770b6c 100644
--- a/neo3-gui/neo3-gui/Models/JStackItem.cs
+++ b/neo3-gui/neo3-gui/Models/JStackItem.cs
@@ -33,7 +33,7 @@ public static JStackItem FromJson(JObject json)
                 TypeCode = json["type"].TryGetEnum<ContractParameterType>(),
                 Type = json["type"].AsString(),
             };
-            if (parameter.Type == "ByteString")
+            if (parameter.Type == "ByteString" || parameter.Type == "Buffer")
             {
                 parameter.TypeCode = ContractParameterType.ByteArray;
             }
diff --git a/neo3-gui/neo3-gui/Services/ApiServices/BlockApiService.cs b/neo3-gui/neo3-gui/Services/ApiServices/BlockApiService.cs
index 3f0f5e3..a2b9230 100644
--- a/neo3-gui/neo3-gui/Services/ApiServices/BlockApiService.cs
+++ b/neo3-gui/neo3-gui/Services/ApiServices/BlockApiService.cs
@@ -116,7 +116,7 @@ public async Task<object> GetAsset(UInt160 asset)
             using var db = new TrackDB();
             var record = db.GetContract(asset);
             var trans = db.QueryTransactions(new TransactionFilter()
-            { Contracts = new List<UInt160>() { asset }, PageSize = 0 });
+            { Assets = new List<UInt160>() { asset }, PageSize = 0 });
             return new AssetInfoModel()
             {
                 Asset = assetInfo.Asset,
diff --git a/neo3-gui/neo3-gui/Services/ApiServices/TransactionApiService.cs b/neo3-gui/neo3-gui/Services/ApiServices/TransactionApiService.cs
index 561ffb7..bfc9605 100644
--- a/neo3-gui/neo3-gui/Services/ApiServices/TransactionApiService.cs
+++ b/neo3-gui/neo3-gui/Services/ApiServices/TransactionApiService.cs
@@ -197,8 +197,9 @@ public async Task<object> QueryNep5Transactions(int pageIndex = 1, int limit = 1
             }
             if (asset != null)
             {
-                filter.Contracts = new List<UInt160>() { asset };
+                filter.Assets = new List<UInt160>() { asset };
             }
+
             var trans = db.QueryTransactions(filter, true);
             var result = new PageList<TransactionPreviewModel>
             {