diff --git a/src/main/java/com/hankcs/hanlp/model/hmm/HiddenMarkovModel.java b/src/main/java/com/hankcs/hanlp/model/hmm/HiddenMarkovModel.java
index ae6c3c835..78953e759 100644
--- a/src/main/java/com/hankcs/hanlp/model/hmm/HiddenMarkovModel.java
+++ b/src/main/java/com/hankcs/hanlp/model/hmm/HiddenMarkovModel.java
@@ -25,15 +25,15 @@ public abstract class HiddenMarkovModel
     /**
      * 初始状态概率向量
      */
-    float[] start_probability;
+    public float[] start_probability;
     /**
      * 观测概率矩阵
      */
-    float[][] emission_probability;
+    public float[][] emission_probability;
     /**
      * 状态转移概率矩阵
      */
-    float[][] transition_probability;
+    public float[][] transition_probability;
 
     /**
      * 构造隐马模型
diff --git a/src/main/java/com/hankcs/hanlp/model/hmm/SecondOrderHiddenMarkovModel.java b/src/main/java/com/hankcs/hanlp/model/hmm/SecondOrderHiddenMarkovModel.java
index aa25d1ff1..032f46af4 100644
--- a/src/main/java/com/hankcs/hanlp/model/hmm/SecondOrderHiddenMarkovModel.java
+++ b/src/main/java/com/hankcs/hanlp/model/hmm/SecondOrderHiddenMarkovModel.java
@@ -20,7 +20,7 @@ public class SecondOrderHiddenMarkovModel extends HiddenMarkovModel
     /**
      * 状态转移概率矩阵
      */
-    float[][][] transition_probability2;
+    public float[][][] transition_probability2;
 
     /**
      * 构造隐马模型