diff --git a/neo-cli/CLI/MainService.Contracts.cs b/neo-cli/CLI/MainService.Contracts.cs
index 3311081cb..1a32e3f5c 100644
--- a/neo-cli/CLI/MainService.Contracts.cs
+++ b/neo-cli/CLI/MainService.Contracts.cs
@@ -27,11 +27,10 @@ partial class MainService
         /// <param name="filePath">File path</param>
         /// <param name="manifestPath">Manifest path</param>
         [ConsoleCommand("deploy", Category = "Contract Commands")]
-        private void OnDeployCommand(string filePath, string manifestPath = null)
+        private void OnDeployCommand(string filePath, string manifestPath = null, JObject data = null)
         {
             if (NoWallet()) return;
-            byte[] script = LoadDeploymentScript(filePath, manifestPath, out var nef, out var manifest);
-
+            byte[] script = LoadDeploymentScript(filePath, manifestPath, data, out var nef, out var manifest);
             Transaction tx;
             try
             {
@@ -39,10 +38,9 @@ private void OnDeployCommand(string filePath, string manifestPath = null)
             }
             catch (InvalidOperationException e)
             {
-                Console.WriteLine("Error: " + GetExceptionMessage(e));
+                ConsoleHelper.Error(GetExceptionMessage(e));
                 return;
             }
-
             UInt160 hash = SmartContract.Helper.GetContractHash(tx.Sender, nef.CheckSum, manifest.Name);
 
             ConsoleHelper.Info("Contract hash: ", $"{hash}");
@@ -62,7 +60,7 @@ private void OnDeployCommand(string filePath, string manifestPath = null)
         /// <param name="filePath">File path</param>
         /// <param name="manifestPath">Manifest path</param>
         [ConsoleCommand("update", Category = "Contract Commands")]
-        private void OnUpdateCommand(UInt160 scriptHash, string filePath, string manifestPath, UInt160 sender, UInt160[] signerAccounts = null)
+        private void OnUpdateCommand(UInt160 scriptHash, string filePath, string manifestPath, UInt160 sender, UInt160[] signerAccounts = null, JObject data = null)
         {
             Signer[] signers = Array.Empty<Signer>();
 
@@ -93,7 +91,7 @@ private void OnUpdateCommand(UInt160 scriptHash, string filePath, string manifes
 
             try
             {
-                byte[] script = LoadUpdateScript(scriptHash, filePath, manifestPath, out var nef, out var manifest);
+                byte[] script = LoadUpdateScript(scriptHash, filePath, manifestPath, data, out var nef, out var manifest);
                 tx = CurrentWallet.MakeTransaction(NeoSystem.StoreView, script, sender, signers);
             }
             catch (InvalidOperationException e)
@@ -101,7 +99,6 @@ private void OnUpdateCommand(UInt160 scriptHash, string filePath, string manifes
                 ConsoleHelper.Error(GetExceptionMessage(e));
                 return;
             }
-
             ContractState contract = NativeContract.ContractManagement.GetContract(NeoSystem.StoreView, scriptHash);
             if (contract == null)
             {
diff --git a/neo-cli/CLI/MainService.cs b/neo-cli/CLI/MainService.cs
index 5020f651e..6fa7853e8 100644
--- a/neo-cli/CLI/MainService.cs
+++ b/neo-cli/CLI/MainService.cs
@@ -229,7 +229,7 @@ private bool NoWallet()
             return true;
         }
 
-        private byte[] LoadDeploymentScript(string nefFilePath, string manifestFilePath, out NefFile nef, out ContractManifest manifest)
+        private byte[] LoadDeploymentScript(string nefFilePath, string manifestFilePath, JObject data, out NefFile nef, out ContractManifest manifest)
         {
             if (string.IsNullOrEmpty(manifestFilePath))
             {
@@ -259,6 +259,18 @@ private byte[] LoadDeploymentScript(string nefFilePath, string manifestFilePath,
                 nef = stream.ReadSerializable<NefFile>();
             }
 
+            ContractParameter dataParameter = null;
+            if (data is not null)
+                try
+                {
+                    dataParameter = ContractParameter.FromJson(data);
+                }
+                catch
+                {
+                    throw new FormatException("invalid data");
+                }
+
+
             // Basic script checks
 
             Script script = new Script(nef.Script);
@@ -278,12 +290,15 @@ private byte[] LoadDeploymentScript(string nefFilePath, string manifestFilePath,
 
             using (ScriptBuilder sb = new ScriptBuilder())
             {
-                sb.EmitDynamicCall(NativeContract.ContractManagement.Hash, "deploy", nef.ToArray(), manifest.ToJson().ToString());
+                if (dataParameter is not null)
+                    sb.EmitDynamicCall(NativeContract.ContractManagement.Hash, "deploy", nef.ToArray(), manifest.ToJson().ToString(), dataParameter);
+                else
+                    sb.EmitDynamicCall(NativeContract.ContractManagement.Hash, "deploy", nef.ToArray(), manifest.ToJson().ToString());
                 return sb.ToArray();
             }
         }
 
-        private byte[] LoadUpdateScript(UInt160 scriptHash, string nefFilePath, string manifestFilePath, out NefFile nef, out ContractManifest manifest)
+        private byte[] LoadUpdateScript(UInt160 scriptHash, string nefFilePath, string manifestFilePath, JObject data, out NefFile nef, out ContractManifest manifest)
         {
             if (string.IsNullOrEmpty(manifestFilePath))
             {
@@ -313,6 +328,17 @@ private byte[] LoadUpdateScript(UInt160 scriptHash, string nefFilePath, string m
                 nef = stream.ReadSerializable<NefFile>();
             }
 
+            ContractParameter dataParameter = null;
+            if (data is not null)
+                try
+                {
+                    dataParameter = ContractParameter.FromJson(data);
+                }
+                catch
+                {
+                    throw new FormatException("invalid data");
+                }
+
             // Basic script checks
 
             Script script = new Script(nef.Script);
@@ -332,7 +358,10 @@ private byte[] LoadUpdateScript(UInt160 scriptHash, string nefFilePath, string m
 
             using (ScriptBuilder sb = new ScriptBuilder())
             {
-                sb.EmitDynamicCall(scriptHash, "update", nef.ToArray(), manifest.ToJson().ToString());
+                if (dataParameter is null)
+                    sb.EmitDynamicCall(scriptHash, "update", nef.ToArray(), manifest.ToJson().ToString());
+                else
+                    sb.EmitDynamicCall(scriptHash, "update", nef.ToArray(), manifest.ToJson().ToString(), dataParameter);
                 return sb.ToArray();
             }
         }