diff --git a/src/main/java/com/hankcs/hanlp/model/crf/CRFSegmenter.java b/src/main/java/com/hankcs/hanlp/model/crf/CRFSegmenter.java
index 353ac0c56..e53a3d82d 100644
--- a/src/main/java/com/hankcs/hanlp/model/crf/CRFSegmenter.java
+++ b/src/main/java/com/hankcs/hanlp/model/crf/CRFSegmenter.java
@@ -23,6 +23,7 @@
 
 import java.io.BufferedWriter;
 import java.io.IOException;
+import java.io.InputStream;
 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.LinkedList;
@@ -50,6 +51,11 @@ public CRFSegmenter(String modelPath) throws IOException
             perceptronSegmenter = new PerceptronSegmenter(this.model);
         }
     }
+    
+    public CRFSegmenter(InputStream inputStream) throws IOException {
+        super(inputStream);
+        perceptronSegmenter = new PerceptronSegmenter(this.model);
+    }
 
     @Override
     protected void convertCorpus(Sentence sentence, BufferedWriter bw) throws IOException
diff --git a/src/main/java/com/hankcs/hanlp/model/crf/CRFTagger.java b/src/main/java/com/hankcs/hanlp/model/crf/CRFTagger.java
index a5506caf7..63483f3db 100644
--- a/src/main/java/com/hankcs/hanlp/model/crf/CRFTagger.java
+++ b/src/main/java/com/hankcs/hanlp/model/crf/CRFTagger.java
@@ -20,6 +20,7 @@
 import com.hankcs.hanlp.model.perceptron.utility.Utility;
 
 import java.io.BufferedWriter;
+import java.io.InputStream;
 import java.io.File;
 import java.io.IOException;
 import java.util.Date;
@@ -40,6 +41,10 @@ public CRFTagger(String modelPath) throws IOException
         if (modelPath == null) return; // 训练模式
         model = new LogLinearModel(modelPath);
     }
+    
+    public CRFTagger(InputStream is) throws IOException {
+        model = new LogLinearModel(is);
+    }
 
     /**
      * 训练
diff --git a/src/main/java/com/hankcs/hanlp/model/crf/LogLinearModel.java b/src/main/java/com/hankcs/hanlp/model/crf/LogLinearModel.java
index bcca2ce7e..21d3fdeda 100644
--- a/src/main/java/com/hankcs/hanlp/model/crf/LogLinearModel.java
+++ b/src/main/java/com/hankcs/hanlp/model/crf/LogLinearModel.java
@@ -24,6 +24,7 @@
 import com.hankcs.hanlp.utility.Predefine;
 
 import java.io.DataOutputStream;
+import java.io.InputStream;
 import java.io.IOException;
 import java.util.*;
 
@@ -113,6 +114,13 @@ public LogLinearModel(String txtFile, String binFile) throws IOException
         super(null, null);
         convert(txtFile, binFile);
     }
+    
+    public LogLinearModel(InputStream is) throws IOException
+    {
+        super(null, null);
+        ByteArrayStream byteArray = ByteArrayOtherStream.createByteArrayOtherStream(inputStream);
+        load(byteArray);
+    }
 
     private void convert(String txtFile, String binFile) throws IOException
     {