diff --git a/src/main/java/org/wlld/naturalLanguage/IOConst.java b/src/main/java/org/wlld/naturalLanguage/IOConst.java
index dad856d..c2f05eb 100644
--- a/src/main/java/org/wlld/naturalLanguage/IOConst.java
+++ b/src/main/java/org/wlld/naturalLanguage/IOConst.java
@@ -7,4 +7,18 @@ public class IOConst {
     public static final byte WIN = 1;//windows系统
     public static final byte NOT_WIN = 2;//非Windows系统
     public static final byte CORE_Number = 6;//核心数
+
+    private static byte sys;
+
+    public static byte getSys() {
+        return sys;
+    }
+
+    static{
+        if(System.getProperties().getProperty("os.name").toUpperCase().contains("WINDOWS")){
+            sys = WIN;
+        }else{
+            sys = NOT_WIN;
+        }
+    }
 }
diff --git a/src/main/java/org/wlld/naturalLanguage/TemplateReader.java b/src/main/java/org/wlld/naturalLanguage/TemplateReader.java
index 6fe1e80..1625d0e 100644
--- a/src/main/java/org/wlld/naturalLanguage/TemplateReader.java
+++ b/src/main/java/org/wlld/naturalLanguage/TemplateReader.java
@@ -11,12 +11,7 @@ public class TemplateReader {//模板读取类
     private String charsetName;
 
     public void read(String url, String charsetName) throws Exception {
-        byte sys;
-        if(System.getProperties().getProperty("os.name").toUpperCase().contains("WINDOWS")){
-            sys = IOConst.WIN;
-        }else{
-            sys = IOConst.NOT_WIN;
-        }
+        byte sys = IOConst.getSys();
         this.charsetName = charsetName;
         File file = new File(url);
         InputStream is = new FileInputStream(file);
diff --git a/src/test/java/org/wlld/LangTest.java b/src/test/java/org/wlld/LangTest.java
index 0fe37df..09e351e 100644
--- a/src/test/java/org/wlld/LangTest.java
+++ b/src/test/java/org/wlld/LangTest.java
@@ -1,6 +1,5 @@
 package org.wlld;
 
-import org.wlld.naturalLanguage.IOConst;
 import org.wlld.naturalLanguage.Talk;
 import org.wlld.naturalLanguage.TemplateReader;
 import org.wlld.randomForest.DataTable;