diff --git a/BotSharp.Core/Engines/BotSharp/BotSharpIntentClassifier.cs b/BotSharp.Core/Engines/BotSharp/BotSharpIntentClassifier.cs
index acdcc983..4c83f663 100644
--- a/BotSharp.Core/Engines/BotSharp/BotSharpIntentClassifier.cs
+++ b/BotSharp.Core/Engines/BotSharp/BotSharpIntentClassifier.cs
@@ -72,9 +72,16 @@ namespace BotSharp.Core.Engines.BotSharp
                 {
                     ModelFilePath = Path.Combine(Settings.ModelDir, meta.Model),
                     ModelDir = Settings.ModelDir,
-                    ModelName = meta.Model
+                    ModelName = meta.Model,
+                    Word2VecFilePath = Configuration.GetValue<string>("wordvecModel")
                 };
 
+                if (!String.IsNullOrEmpty(options.Word2VecFilePath))
+                {
+                    string contentDir = AppDomain.CurrentDomain.GetData("DataPath").ToString();
+                    options.Word2VecFilePath = options.Word2VecFilePath.Replace("|App_Data|", contentDir + System.IO.Path.DirectorySeparatorChar);
+                }
+
                 _classifier = new ClassifierFactory<SentenceFeatureExtractor>(options, SupportedLanguage.English);
 
                 string classifierName = Configuration.GetValue<String>($"classifer");
diff --git a/BotSharp.NLP/Classify/ClassifyOptions.cs b/BotSharp.NLP/Classify/ClassifyOptions.cs
index 1e0b68f4..f6ec2751 100644
--- a/BotSharp.NLP/Classify/ClassifyOptions.cs
+++ b/BotSharp.NLP/Classify/ClassifyOptions.cs
@@ -11,6 +11,7 @@ namespace BotSharp.NLP.Classify
         public string ModelFilePath { get; set; }
         public string ModelDir { get; set; }
         public string ModelName { get; set; }
+        public string Word2VecFilePath { get; set; }
 
         public string FeaturesFileName { get; set; }
         public string FeaturesInTfIdfFileName { get; set; }
diff --git a/BotSharp.NLP/Classify/SVMClassifier.cs b/BotSharp.NLP/Classify/SVMClassifier.cs
index 9539622b..9c5d8220 100644
--- a/BotSharp.NLP/Classify/SVMClassifier.cs
+++ b/BotSharp.NLP/Classify/SVMClassifier.cs
@@ -57,7 +57,7 @@ namespace BotSharp.NLP.Classify
 
             // copy test multiclass Model
             Problem train = new Problem();
-            train.X = GetData(sentences).ToArray();
+            train.X = GetData(sentences, options).ToArray();
             train.Y = GetLabels(sentences).ToArray();
             train.Count = train.X.Count();
             train.MaxIndex = train.X[0].Count();//int.MaxValue;
@@ -104,7 +104,7 @@ namespace BotSharp.NLP.Classify
         public double[][] Predict(Sentence sentence, ClassifyOptions options)
         {
             Problem predict = new Problem();
-            predict.X = GetData(new List<Sentence> { sentence }).ToArray();
+            predict.X = GetData(new List<Sentence> { sentence }, options).ToArray();
             predict.Y = new double[1];
             predict.Count = predict.X.Count();
             predict.MaxIndex = features.Count;
@@ -129,10 +129,11 @@ namespace BotSharp.NLP.Classify
             return labels;
         }
 
-        public List<Node[]> GetData(List<Sentence> sentences)
+        public List<Node[]> GetData(List<Sentence> sentences, ClassifyOptions options)
         {
             //var extractor = new CountFeatureExtractor();
             var extractor = new Word2VecFeatureExtractor();
+            extractor.ModelFile = options.Word2VecFilePath;
             extractor.Sentences = sentences;
             if(features != null)
             {
diff --git a/BotSharp.NLP/Featuring/CountFeatureExtractor.cs b/BotSharp.NLP/Featuring/CountFeatureExtractor.cs
index 40e438f4..62bb44c0 100644
--- a/BotSharp.NLP/Featuring/CountFeatureExtractor.cs
+++ b/BotSharp.NLP/Featuring/CountFeatureExtractor.cs
@@ -36,6 +36,7 @@ namespace BotSharp.NLP.Featuring
         public List<Tuple<string, int>> Dictionary { get; set; }
         public List<string> Features { get; set; }
         public Shape Shape { get; set; }
+        public string ModelFile { get; set; }
 
         public void Vectorize(List<string> features)
         {
diff --git a/BotSharp.NLP/Featuring/IFeatureExtractor.cs b/BotSharp.NLP/Featuring/IFeatureExtractor.cs
index 024edea5..04d25dc0 100644
--- a/BotSharp.NLP/Featuring/IFeatureExtractor.cs
+++ b/BotSharp.NLP/Featuring/IFeatureExtractor.cs
@@ -36,5 +36,10 @@ namespace BotSharp.NLP.Featuring
         /// Array shape
         /// </summary>
         Shape Shape { get; set; }
+
+        /// <summary>
+        /// Pre-trained model file path
+        /// </summary>
+        string ModelFile { get; set; }
     }
 }
diff --git a/BotSharp.NLP/Featuring/TfIdfFeatureExtractor.cs b/BotSharp.NLP/Featuring/TfIdfFeatureExtractor.cs
index 66319597..b48b36c9 100644
--- a/BotSharp.NLP/Featuring/TfIdfFeatureExtractor.cs
+++ b/BotSharp.NLP/Featuring/TfIdfFeatureExtractor.cs
@@ -40,6 +40,7 @@ namespace BotSharp.NLP.Featuring
         public List<Tuple<string, int>> Dictionary { get; set; }
         public List<string> Features { get; set; }
         public Shape Shape { get; set; }
+        public string ModelFile { get; set; }
 
         public void Extract(Sentence sentence)
         {
diff --git a/BotSharp.NLP/Featuring/Word2VecFeatureExtractor.cs b/BotSharp.NLP/Featuring/Word2VecFeatureExtractor.cs
index c71ddbea..b331d523 100644
--- a/BotSharp.NLP/Featuring/Word2VecFeatureExtractor.cs
+++ b/BotSharp.NLP/Featuring/Word2VecFeatureExtractor.cs
@@ -15,11 +15,7 @@ namespace BotSharp.NLP.Featuring
         public Shape Shape { get; set; }
         public VectorGenerator Vg { get; set; }
         public int SentenceVectorSize { get; set; }
-
-        public Word2VecFeatureExtractor()
-        {
-
-        }
+        public string ModelFile { get; set; }
 
         public void Vectorize(List<string> features)
         {
@@ -48,7 +44,7 @@ namespace BotSharp.NLP.Featuring
                 Args args = new Args();
                 args.ModelFile = @"C:\Users\bpeng\Desktop\BoloReborn\Txt2VecDemo\wordvec_enu.bin";
                 Vg = new VectorGenerator(args);
-                SentenceVectorSize = this.Vg.Model.VectorSize * MaxSentenceTokenCounts();
+                SentenceVectorSize = this.Vg.Model.VectorSize;
                 Features = new List<string>();
                 for (int i = 0; i < SentenceVectorSize; i++)
                 {
@@ -56,19 +52,5 @@ namespace BotSharp.NLP.Featuring
                 }
             }
         }
-
-        private int MaxSentenceTokenCounts()
-        {
-            return 1;
-            int maxCount = 0;
-            Sentences.ForEach(s=> {
-                if (s.Words.Count > maxCount)
-                {
-                    maxCount = s.Words.Count;
-                }
-            });
-
-            return maxCount;
-        }
     }
 }
diff --git a/BotSharp.WebHost/Settings/BotSharpNLU.json b/BotSharp.WebHost/Settings/BotSharpNLU.json
index 58e79d4d..fd756c84 100644
--- a/BotSharp.WebHost/Settings/BotSharpNLU.json
+++ b/BotSharp.WebHost/Settings/BotSharpNLU.json
@@ -14,7 +14,8 @@
     },
 
     "botSharpIntentClassifier": {
-      "classifer": "NaiveBayesClassifier"
+      "classifer": "SVMClassifier",
+      "wordvecModel": "|App_Data|wordvec_enu.bin"
     },
 
     "botSharpTagger": {