diff --git a/BotSharp.Core/BotSharp.Core.csproj b/BotSharp.Core/BotSharp.Core.csproj
index 0b4df65f..41d0b6dd 100644
--- a/BotSharp.Core/BotSharp.Core.csproj
+++ b/BotSharp.Core/BotSharp.Core.csproj
@@ -9,6 +9,15 @@
 
   <PropertyGroup>
     <TargetFramework>netcoreapp2.0</TargetFramework>
+    <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
+    <Authors>Haiping Chen</Authors>
+    <Company />
+    <Product>BotSharp</Product>
+    <Description>.Net implementation of open chatbot platform like google Dialogflow. Modulized design supports different NLU engine as backend.</Description>
+    <RepositoryType>MIT</RepositoryType>
+    <RepositoryUrl>https://github.com/Oceania2018/BotSharp</RepositoryUrl>
+    <PackageTags>NLU, Chatbot, Bot, AI Bot</PackageTags>
+    <Version>1.0.0</Version>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/BotSharp.Core/Engines/AgentImporterInDialogflow.cs b/BotSharp.Core/Engines/AgentImporterInDialogflow.cs
index dd0afa52..19f60ae3 100644
--- a/BotSharp.Core/Engines/AgentImporterInDialogflow.cs
+++ b/BotSharp.Core/Engines/AgentImporterInDialogflow.cs
@@ -19,7 +19,7 @@ namespace BotSharp.Core.Engines
         public Agent LoadAgent(string agentId, string agentDir)
         {
             // load agent profile
-            string data = File.ReadAllText($"{agentDir}\\Dialogflow\\{agentId}\\agent.json");
+            string data = File.ReadAllText($"{agentDir}{Path.DirectorySeparatorChar}Dialogflow{Path.DirectorySeparatorChar}{agentId}{Path.DirectorySeparatorChar}agent.json");
             var agent = JsonConvert.DeserializeObject<DialogflowAgent>(data);
             agent.Id = Guid.NewGuid().ToString();
             agent.Name = agentId;
@@ -31,11 +31,11 @@ namespace BotSharp.Core.Engines
         {
             agent.Entities = new List<Entity>();
 
-            Directory.EnumerateFiles($"{agentDir}\\Dialogflow\\{agent.Name}\\entities")
+            Directory.EnumerateFiles($"{agentDir}{Path.DirectorySeparatorChar}Dialogflow{Path.DirectorySeparatorChar}{agent.Name}{Path.DirectorySeparatorChar}entities")
                 .ToList()
                 .ForEach(fileName =>
                 {
-                    string entityName = fileName.Split('\\').Last();
+                    string entityName = fileName.Split($"{Path.DirectorySeparatorChar}").Last();
                     if (!entityName.Contains("_"))
                     {
                         string entityJson = File.ReadAllText($"{fileName}");
@@ -63,7 +63,7 @@ namespace BotSharp.Core.Engines
         {
             agent.Intents = new List<Intent>();
 
-            Directory.EnumerateFiles($"{agentDir}\\Dialogflow\\{agent.Name}\\intents")
+            Directory.EnumerateFiles($"{agentDir}{Path.DirectorySeparatorChar}Dialogflow{Path.DirectorySeparatorChar}{agent.Name}{Path.DirectorySeparatorChar}intents")
                 .ToList()
                 .ForEach(fileName =>
                 {
diff --git a/BotSharp.Core/Entities/Entity.cs b/BotSharp.Core/Entities/Entity.cs
index 7791bbe4..6d5eaf2e 100644
--- a/BotSharp.Core/Entities/Entity.cs
+++ b/BotSharp.Core/Entities/Entity.cs
@@ -18,11 +18,23 @@ namespace BotSharp.Core.Entities
         [MaxLength(64)]
         public String Name { get; set; }
 
+        [MaxLength(256)]
+        public String Description { get; set; }
+
         [ForeignKey("EntityId")]
         public List<EntityEntry> Entries { get; set; }
 
         public bool IsOverridable { get; set; }
 
         public bool IsEnum { get; set; }
+
+        [StringLength(7)]
+        public string Color { get; set; }
+
+        /// <summary>
+        /// Entries count
+        /// </summary>
+        [NotMapped]
+        public int Count { get; set; }
     }
 }