diff --git a/src/main/java/com/xyz/caofancpu/d8ger/util/VerbalExpressionUtil.java b/src/main/java/com/xyz/caofancpu/d8ger/util/VerbalExpressionUtil.java
index c2bf268..bf4d914 100644
--- a/src/main/java/com/xyz/caofancpu/d8ger/util/VerbalExpressionUtil.java
+++ b/src/main/java/com/xyz/caofancpu/d8ger/util/VerbalExpressionUtil.java
@@ -24,7 +24,7 @@ public class VerbalExpressionUtil {
     /**
      * Judge current system is WINDOWS, by the way, WINDOWS is real ***...
      */
-    public static boolean CURRENT_OS_IS_WINDOWS = Objects.equals(System.getProperty("os.name").toLowerCase(), "windows");
+    public static final boolean CURRENT_OS_IS_WINDOWS = Objects.equals(System.getProperty("os.name").toLowerCase(), "windows");
 
     /**
      * Uppercase regular expression
diff --git a/src/test/java/d8ger/D8T.java b/src/test/java/d8ger/D8T.java
index 736506f..0f271cc 100644
--- a/src/test/java/d8ger/D8T.java
+++ b/src/test/java/d8ger/D8T.java
@@ -1,11 +1,7 @@
 package d8ger;
 
-import com.google.common.collect.Lists;
-import com.xyz.caofancpu.d8ger.util.VerbalExpressionUtil;
 import org.junit.Test;
 
-import java.util.List;
-
 /**
  * This is a Test Demo showing how to execute a test case by junit.
  *
@@ -16,39 +12,7 @@ public class D8T {
 
     @Test
     public void hello() {
-        String nonW = "/myProject/common/src/main/java/com/cy/common/model/Student";
-        String nonW1 = "myProject/common/src/main/java/com/cy/common/model/Student";
-        String w1 = "D:/myProject/common/src/main/java/com/cy/common/model/Student";
-        String w11 = "D://myProject//common//src//main//java//com//cy//common//model//Student";
-        String w121 = "D:";
-        String w122 = "D:/";
-        String w123 = "D://";
-        String w124 = "D:\\";
-        String w125 = "D:\\\\";
-        String w2 = "D:\\myProject\\common\\src\\main\\java\\com\\cy\\common\\model\\Student";
-        String w3 = "D:\\\\myProject\\\\common\\\\src\\\\main\\\\java\\\\com\\\\cy\\\\common\\\\model\\\\Student";
-        List<String> nonWindowsSourceList = Lists.newArrayList(nonW, nonW1);
-        //
-        List<String> windowsSourceList = Lists.newArrayList(w1, w11, w2, w3, w121, w122, w123, w124, w125);
-        System.out.println("非Windows系统:");
-        for (String s : nonWindowsSourceList) {
-            try {
-                System.out.println("    原串 " + s + " 处理后变为 " + VerbalExpressionUtil.convertPathToPackage(s) + " ");
-                System.out.println("    原串2 " + s + " 处理后变为 " + VerbalExpressionUtil.convertPathToPackage2(s) + " ");
-            } catch (Exception e) {
-                e.printStackTrace();
-            }
-        }
-        System.out.println("Windows系统:");
-        VerbalExpressionUtil.CURRENT_OS_IS_WINDOWS = Boolean.TRUE;
-        for (String s : windowsSourceList) {
-            try {
-                System.out.println("    原串 " + s + " 处理后变为 " + VerbalExpressionUtil.convertPathToPackage(s) + " ");
-                System.out.println("    原串2 " + s + " 处理后变为 " + VerbalExpressionUtil.convertPathToPackage2(s) + " ");
-            } catch (Exception e) {
-                e.printStackTrace();
-            }
-        }
+
     }
 
 }