diff --git a/Flow.Launcher.Core/Plugin/JsonPRCModel.cs b/Flow.Launcher.Core/Plugin/JsonPRCModel.cs
index 319f760d192..27734c7f781 100644
--- a/Flow.Launcher.Core/Plugin/JsonPRCModel.cs
+++ b/Flow.Launcher.Core/Plugin/JsonPRCModel.cs
@@ -17,6 +17,7 @@
 using System.Linq;
 using System.Text.Json.Serialization;
 using Flow.Launcher.Plugin;
+using System.Text.Json;
 
 namespace Flow.Launcher.Core.Plugin
 {
@@ -59,6 +60,8 @@ public class JsonRPCRequestModel : JsonRPCModelBase
 
         public override string ToString()
         {
+            return JsonSerializer.Serialize(this);
+            
             string rpc = string.Empty;
             if (Parameters != null && Parameters.Length > 0)
             {
@@ -78,9 +81,9 @@ private string GetParameterByType(object parameter)
         => parameter switch
         {
             null => "null",
-            string _ => $@"\""{ReplaceEscapes(parameter.ToString())}\""",
-            bool _ => $@"{parameter.ToString().ToLower()}",
-            _ => parameter.ToString()
+            string p => $@"\""{ReplaceEscapes(p)}\""",
+            bool p => $@"{p.ToString().ToLower()}",
+            _ => $@"\""{ReplaceEscapes(parameter.ToString())}\"""
         };
 
 
@@ -97,11 +100,7 @@ private string ReplaceEscapes(string str)
     /// </summary>
     public class JsonRPCServerRequestModel : JsonRPCRequestModel
     {
-        public override string ToString()
-        {
-            string rpc = base.ToString();
-            return rpc + "}";
-        }
+        
     }
 
     /// <summary>
@@ -110,12 +109,6 @@ public override string ToString()
     public class JsonRPCClientRequestModel : JsonRPCRequestModel
     {
         public bool DontHideAfterAction { get; set; }
-
-        public override string ToString()
-        {
-            string rpc = base.ToString();
-            return rpc + "}";
-        }
     }
 
     /// <summary>
diff --git a/Flow.Launcher.Core/Plugin/JsonRPCPlugin.cs b/Flow.Launcher.Core/Plugin/JsonRPCPlugin.cs
index 7a088bd091d..11d1abb6328 100644
--- a/Flow.Launcher.Core/Plugin/JsonRPCPlugin.cs
+++ b/Flow.Launcher.Core/Plugin/JsonRPCPlugin.cs
@@ -46,7 +46,6 @@ public List<Result> LoadContextMenus(Result selectedResult)
         }
 
 
-
         private async Task<List<Result>> DeserializedResultAsync(Stream output)
         {
             if (output == Stream.Null) return null;
@@ -71,7 +70,7 @@ private List<Result> ParseResults(JsonRPCQueryResponseModel queryResponseModel)
             var results = new List<Result>();
             if (queryResponseModel.Result == null) return null;
 
-            if(!string.IsNullOrEmpty(queryResponseModel.DebugMessage))
+            if (!string.IsNullOrEmpty(queryResponseModel.DebugMessage))
             {
                 context.API.ShowMsg(queryResponseModel.DebugMessage);
             }
@@ -92,6 +91,8 @@ private List<Result> ParseResults(JsonRPCQueryResponseModel queryResponseModel)
                         else
                         {
                             string actionReponse = ExecuteCallback(result.JsonRPCAction);
+                            if (string.IsNullOrEmpty(actionReponse))
+                                return false;
                             JsonRPCRequestModel jsonRpcRequestModel =
                                 JsonSerializer.Deserialize<JsonRPCRequestModel>(actionReponse);
                             if (jsonRpcRequestModel != null
@@ -177,12 +178,11 @@ protected string Execute(ProcessStartInfo startInfo)
 
                 if (result.StartsWith("DEBUG:"))
                 {
-                    MessageBox.Show(new Form { TopMost = true }, result.Substring(6));
+                    MessageBox.Show(new Form {TopMost = true}, result.Substring(6));
                     return string.Empty;
                 }
 
                 return result;
-
             }
             catch (Exception e)
             {
@@ -248,10 +248,10 @@ public async Task<List<Result>> QueryAsync(Query query, CancellationToken token)
             }
         }
 
-        public Task InitAsync(PluginInitContext context)
+        public virtual Task InitAsync(PluginInitContext context)
         {
             this.context = context;
             return Task.CompletedTask;
         }
     }
-}
+}
\ No newline at end of file
diff --git a/Flow.Launcher.Core/Plugin/PythonPlugin.cs b/Flow.Launcher.Core/Plugin/PythonPlugin.cs
index 356a68a81b1..16d84136fae 100644
--- a/Flow.Launcher.Core/Plugin/PythonPlugin.cs
+++ b/Flow.Launcher.Core/Plugin/PythonPlugin.cs
@@ -28,17 +28,19 @@ public PythonPlugin(string filename)
             var path = Path.Combine(Constant.ProgramDirectory, JsonRPC);
             _startInfo.EnvironmentVariables["PYTHONPATH"] = path;
 
+            //Add -B flag to tell python don't write .py[co] files. Because .pyc contains location infos which will prevent python portable
+            _startInfo.ArgumentList.Add("-B");
         }
 
         protected override Task<Stream> ExecuteQueryAsync(Query query, CancellationToken token)
         {
             JsonRPCServerRequestModel request = new JsonRPCServerRequestModel
             {
-                Method = "query",
-                Parameters = new object[] { query.Search },
+                Method = "query", Parameters = new object[] {query.Search},
             };
-            //Add -B flag to tell python don't write .py[co] files. Because .pyc contains location infos which will prevent python portable
-            _startInfo.Arguments = $"-B \"{context.CurrentPluginMetadata.ExecuteFilePath}\" \"{request}\"";
+
+            _startInfo.ArgumentList[2] = request.ToString();
+
             // todo happlebao why context can't be used in constructor
             _startInfo.WorkingDirectory = context.CurrentPluginMetadata.PluginDirectory;
 
@@ -47,16 +49,17 @@ protected override Task<Stream> ExecuteQueryAsync(Query query, CancellationToken
 
         protected override string ExecuteCallback(JsonRPCRequestModel rpcRequest)
         {
-            _startInfo.Arguments = $"-B \"{context.CurrentPluginMetadata.ExecuteFilePath}\" \"{rpcRequest}\"";
+            _startInfo.ArgumentList[2] = rpcRequest.ToString();
             _startInfo.WorkingDirectory = context.CurrentPluginMetadata.PluginDirectory;
             // TODO: Async Action
             return Execute(_startInfo);
         }
 
-        protected override string ExecuteContextMenu(Result selectedResult) {
-            JsonRPCServerRequestModel request = new JsonRPCServerRequestModel {
-                Method = "context_menu",
-                Parameters = new object[] { selectedResult.ContextData },
+        protected override string ExecuteContextMenu(Result selectedResult)
+        {
+            JsonRPCServerRequestModel request = new JsonRPCServerRequestModel
+            {
+                Method = "context_menu", Parameters = new object[] {selectedResult.ContextData},
             };
             _startInfo.Arguments = $"-B \"{context.CurrentPluginMetadata.ExecuteFilePath}\" \"{request}\"";
             _startInfo.WorkingDirectory = context.CurrentPluginMetadata.PluginDirectory;
@@ -64,5 +67,13 @@ protected override string ExecuteContextMenu(Result selectedResult) {
             // TODO: Async Action
             return Execute(_startInfo);
         }
+
+        public override Task InitAsync(PluginInitContext context)
+        {
+            this.context = context;
+            _startInfo.ArgumentList.Add(context.CurrentPluginMetadata.ExecuteFilePath);
+            _startInfo.ArgumentList.Add("");
+            return Task.CompletedTask;
+        }
     }
 }
\ No newline at end of file