diff --git a/src/test/java/com/alibaba/druid/bvt/filter/wall/MySqlWallPermitTableTest.java b/src/test/java/com/alibaba/druid/bvt/filter/wall/MySqlWallPermitTableTest.java
index 9db1ea4d2e..e92ed45c84 100644
--- a/src/test/java/com/alibaba/druid/bvt/filter/wall/MySqlWallPermitTableTest.java
+++ b/src/test/java/com/alibaba/druid/bvt/filter/wall/MySqlWallPermitTableTest.java
@@ -22,11 +22,6 @@ import com.alibaba.druid.wall.WallUtils;
 
 import junit.framework.TestCase;
 
-/**
- * 这个场景测试访问MySql系统�?
- * 
- * @author admin
- */
 public class MySqlWallPermitTableTest extends TestCase {
 
     public void test_default() throws Exception {
diff --git a/src/test/java/com/alibaba/druid/bvt/filter/wall/OracleWallPermitTableTest.java b/src/test/java/com/alibaba/druid/bvt/filter/wall/OracleWallPermitTableTest.java
index 6971836b85..888d47e881 100644
--- a/src/test/java/com/alibaba/druid/bvt/filter/wall/OracleWallPermitTableTest.java
+++ b/src/test/java/com/alibaba/druid/bvt/filter/wall/OracleWallPermitTableTest.java
@@ -21,11 +21,6 @@ import com.alibaba.druid.wall.WallUtils;
 
 import junit.framework.TestCase;
 
-/**
- * 这个场景测试访问Oracle系统�?
- * 
- * @author admin
- */
 public class OracleWallPermitTableTest extends TestCase {
 
     public void test_permitTable() throws Exception {
diff --git a/src/test/java/com/alibaba/druid/bvt/filter/wall/SQLServerWallPermitTableTest.java b/src/test/java/com/alibaba/druid/bvt/filter/wall/SQLServerWallPermitTableTest.java
index 0ec1454d6e..bc445f5def 100644
--- a/src/test/java/com/alibaba/druid/bvt/filter/wall/SQLServerWallPermitTableTest.java
+++ b/src/test/java/com/alibaba/druid/bvt/filter/wall/SQLServerWallPermitTableTest.java
@@ -22,7 +22,7 @@ import org.junit.Assert;
 import com.alibaba.druid.wall.WallUtils;
 
 /**
- * 这个场景测试访问SQLServer系统�?
+ * 这个场景测试访问SQLServer系统表
  *
  * @author RaymondXiu
  * @version 1.0, 2012-3-18
@@ -36,9 +36,9 @@ public class SQLServerWallPermitTableTest extends TestCase {
     
 
     public void test03() throws Exception {
-        Assert.assertFalse(WallUtils.isValidateSqlServer("SELECT sysobjects.name as tablename, syscolumns.name as columnname FROM sysobjects JOIN syscolumns ON sysobjects.id = syscolumns.id WHERE sysobjects.xtype = ‘U�?AND syscolumns.name LIKE �?PASSWORD%�?"));
-        Assert.assertFalse(WallUtils.isValidateSqlServer("SELECT name FROM syscolumns WHERE id = (SELECT id FROM sysobjects WHERE name = ‘mytable�?;"));
+        Assert.assertFalse(WallUtils.isValidateSqlServer("SELECT sysobjects.name as tablename, syscolumns.name as columnname FROM sysobjects JOIN syscolumns ON sysobjects.id = syscolumns.id WHERE sysobjects.xtype = ‘U’ AND syscolumns.name LIKE ‘%PASSWORD%’ "));
+        Assert.assertFalse(WallUtils.isValidateSqlServer("SELECT name FROM syscolumns WHERE id = (SELECT id FROM sysobjects WHERE name = ‘mytable’);"));
     }
     
 
-}
+}
\ No newline at end of file
diff --git a/src/test/java/com/alibaba/druid/bvt/filter/wall/SQLServerWallTest.java b/src/test/java/com/alibaba/druid/bvt/filter/wall/SQLServerWallTest.java
index 6e1b7cf311..a27c5a93ac 100644
--- a/src/test/java/com/alibaba/druid/bvt/filter/wall/SQLServerWallTest.java
+++ b/src/test/java/com/alibaba/druid/bvt/filter/wall/SQLServerWallTest.java
@@ -55,9 +55,9 @@ public class SQLServerWallTest extends TestCase {
     
     public void test_stuff() throws Exception {
         Assert.assertFalse(WallUtils.isValidateSqlServer("SELECT @@version"));
-        Assert.assertFalse(WallUtils.isValidateSqlServer("SELECT 1 �?comment"));
+        Assert.assertFalse(WallUtils.isValidateSqlServer("SELECT 1 — comment"));
         Assert.assertFalse(WallUtils.isValidateSqlServer("SELECT /*comment*/1"));
-        Assert.assertFalse(WallUtils.isValidateSqlServer("WAITFOR DELAY �?:0:5�?"));
-        Assert.assertFalse(WallUtils.isValidateSqlServer("BULK INSERT mydata FROM ‘c:boot.ini�?"));                  
+        Assert.assertFalse(WallUtils.isValidateSqlServer("WAITFOR DELAY ’0:0:5′ "));
+        Assert.assertFalse(WallUtils.isValidateSqlServer("BULK INSERT mydata FROM ‘c:boot.ini’;"));                  
     }    
 }
\ No newline at end of file
diff --git a/src/test/java/com/alibaba/druid/bvt/filter/wall/WallDeleteTest.java b/src/test/java/com/alibaba/druid/bvt/filter/wall/WallDeleteTest.java
index b66145005b..6504976009 100644
--- a/src/test/java/com/alibaba/druid/bvt/filter/wall/WallDeleteTest.java
+++ b/src/test/java/com/alibaba/druid/bvt/filter/wall/WallDeleteTest.java
@@ -23,7 +23,7 @@ import com.alibaba.druid.wall.WallConfig;
 import com.alibaba.druid.wall.WallUtils;
 
 /**
- * 这个场景，检�?
+ * 这个场景，检测
  * @author wenshao
  *
  */
diff --git a/src/test/java/com/alibaba/druid/bvt/filter/wall/WallDropTest1.java b/src/test/java/com/alibaba/druid/bvt/filter/wall/WallDropTest1.java
index df0a5eae35..4084308f25 100644
--- a/src/test/java/com/alibaba/druid/bvt/filter/wall/WallDropTest1.java
+++ b/src/test/java/com/alibaba/druid/bvt/filter/wall/WallDropTest1.java
@@ -22,11 +22,7 @@ import org.junit.Assert;
 import com.alibaba.druid.wall.WallConfig;
 import com.alibaba.druid.wall.WallUtils;
 
-/**
- * 这个场景，检�?
- * @author wenshao
- *
- */
+
 public class WallDropTest1 extends TestCase {
     private String sql = "DROP TABLE T1";
     
diff --git a/src/test/java/com/alibaba/druid/bvt/filter/wall/WallInsertTest.java b/src/test/java/com/alibaba/druid/bvt/filter/wall/WallInsertTest.java
index 70c0a8a148..99d47869b7 100644
--- a/src/test/java/com/alibaba/druid/bvt/filter/wall/WallInsertTest.java
+++ b/src/test/java/com/alibaba/druid/bvt/filter/wall/WallInsertTest.java
@@ -22,11 +22,6 @@ import org.junit.Assert;
 import com.alibaba.druid.wall.WallConfig;
 import com.alibaba.druid.wall.WallUtils;
 
-/**
- * 这个场景，检�?
- * @author wenshao
- *
- */
 public class WallInsertTest extends TestCase {
     private String sql = "INSERT INTO T (F1, F2) VALUES (1, 2)";
     
diff --git a/src/test/java/com/alibaba/druid/bvt/filter/wall/WallInsertTest2.java b/src/test/java/com/alibaba/druid/bvt/filter/wall/WallInsertTest2.java
index 1c265ccab0..81d3d4be75 100644
--- a/src/test/java/com/alibaba/druid/bvt/filter/wall/WallInsertTest2.java
+++ b/src/test/java/com/alibaba/druid/bvt/filter/wall/WallInsertTest2.java
@@ -22,11 +22,6 @@ import org.junit.Assert;
 import com.alibaba.druid.wall.WallConfig;
 import com.alibaba.druid.wall.WallUtils;
 
-/**
- * 这个场景，检�?
- * @author wenshao
- *
- */
 public class WallInsertTest2 extends TestCase {
     private String sql = "INSERT INTO T (F1, F2) VALUES (1, 2)";
     
diff --git a/src/test/java/com/alibaba/druid/bvt/filter/wall/WallLineCommentTest.java b/src/test/java/com/alibaba/druid/bvt/filter/wall/WallLineCommentTest.java
index f1aec917e8..09d77f25c1 100644
--- a/src/test/java/com/alibaba/druid/bvt/filter/wall/WallLineCommentTest.java
+++ b/src/test/java/com/alibaba/druid/bvt/filter/wall/WallLineCommentTest.java
@@ -21,11 +21,7 @@ import org.junit.Assert;
 
 import com.alibaba.druid.wall.WallUtils;
 
-/**
- * 测试单行注释的场�?
- * @author admin
- *
- */
+
 public class WallLineCommentTest extends TestCase {
     private String sql = "select f1 from t -- ";
     
diff --git a/src/test/java/com/alibaba/druid/bvt/filter/wall/WallSelectIntoTest1.java b/src/test/java/com/alibaba/druid/bvt/filter/wall/WallSelectIntoTest1.java
index 859d7985d9..08c290db59 100644
--- a/src/test/java/com/alibaba/druid/bvt/filter/wall/WallSelectIntoTest1.java
+++ b/src/test/java/com/alibaba/druid/bvt/filter/wall/WallSelectIntoTest1.java
@@ -22,11 +22,6 @@ import org.junit.Assert;
 import com.alibaba.druid.wall.WallConfig;
 import com.alibaba.druid.wall.WallUtils;
 
-/**
- * 这个场景，检�?
- * @author wenshao
- *
- */
 public class WallSelectIntoTest1 extends TestCase {
     private String sql = "SELECT F1, F2 INTO T2 FROM T1";
     
diff --git a/src/test/java/com/alibaba/druid/bvt/filter/wall/WallUpdateTest3.java b/src/test/java/com/alibaba/druid/bvt/filter/wall/WallUpdateTest3.java
index 11addd2032..2a8b872b64 100644
--- a/src/test/java/com/alibaba/druid/bvt/filter/wall/WallUpdateTest3.java
+++ b/src/test/java/com/alibaba/druid/bvt/filter/wall/WallUpdateTest3.java
@@ -23,7 +23,7 @@ import com.alibaba.druid.wall.WallConfig;
 import com.alibaba.druid.wall.WallUtils;
 
 /**
- * 这个场景，检�?
+ * 这个场景，检测
  * @author wenshao
  *
  */
diff --git a/src/test/java/com/alibaba/druid/bvt/filter/wall/WallUpdateTest4.java b/src/test/java/com/alibaba/druid/bvt/filter/wall/WallUpdateTest4.java
index 3ffca1da86..0a2d0ed3c0 100644
--- a/src/test/java/com/alibaba/druid/bvt/filter/wall/WallUpdateTest4.java
+++ b/src/test/java/com/alibaba/druid/bvt/filter/wall/WallUpdateTest4.java
@@ -22,11 +22,6 @@ import org.junit.Assert;
 import com.alibaba.druid.wall.WallConfig;
 import com.alibaba.druid.wall.WallUtils;
 
-/**
- * 这个场景，检�?
- * @author wenshao
- *
- */
 public class WallUpdateTest4 extends TestCase {
     private String sql = "UPDATE T_USER SET FNAME = ? WHERE FID = ? OR 1 = 1";
     
diff --git a/src/test/java/com/alibaba/druid/bvt/pool/TestConcurrent.java b/src/test/java/com/alibaba/druid/bvt/pool/TestConcurrent.java
index da068b0904..d3459e8a8c 100644
--- a/src/test/java/com/alibaba/druid/bvt/pool/TestConcurrent.java
+++ b/src/test/java/com/alibaba/druid/bvt/pool/TestConcurrent.java
@@ -71,7 +71,7 @@ public class TestConcurrent extends TestCase {
     }
 
     public void test_0() throws Exception {
-        // 第一次建立连�?
+        // 第一次建立连接
         {
             Assert.assertEquals(0, dataSource.getActiveCount());
             Assert.assertEquals(0, dataSource.getPoolingCount());
@@ -105,7 +105,7 @@ public class TestConcurrent extends TestCase {
             Assert.assertEquals(true, dataSource.isEnable());
         }
 
-        // 使用单个线程模拟并发打开10个连�?
+        // 使用单个线程模拟并发打开10个连接
         for (int i = 0; i < 1000 * 1; ++i) {
             final int COUNT = 10;
             Connection[] connections = new Connection[COUNT];
@@ -130,12 +130,12 @@ public class TestConcurrent extends TestCase {
             Assert.assertEquals(COUNT, dataSource.getPoolingCount());
         }
 
-        // 2个并�?
+        // 2个并发
         for (int i = 0; i < 3; ++i) {
             concurrent(2);
         }
 
-        // 5个并�?
+        // 5个并发
         for (int i = 0; i < 3; ++i) {
             concurrent(5);
         }
@@ -162,7 +162,7 @@ public class TestConcurrent extends TestCase {
     }
 
     /**
-     * 并发执行10000�?
+     * 并发执行10000次
      * 
      * @param threadCount
      * @throws InterruptedException
diff --git a/src/test/java/com/alibaba/druid/bvt/pool/TestIdle3.java b/src/test/java/com/alibaba/druid/bvt/pool/TestIdle3.java
index af06f1f521..0052ceffe2 100644
--- a/src/test/java/com/alibaba/druid/bvt/pool/TestIdle3.java
+++ b/src/test/java/com/alibaba/druid/bvt/pool/TestIdle3.java
@@ -61,7 +61,7 @@ public class TestIdle3 extends TestCase {
                                                                  new ObjectName(
                                                                                 "com.alibaba:type=DataSource,name=oracle"));
 
-        // 第一次创建连�?
+        // 第一次创建连接
         {
             Assert.assertEquals(0, dataSource.getCreateCount());
             Assert.assertEquals(0, dataSource.getActiveCount());
@@ -80,7 +80,7 @@ public class TestIdle3 extends TestCase {
         }
 
         {
-            // 并发创建14�?
+            // 并发创建14个
             int count = 14;
             Connection[] connections = new Connection[count];
             for (int i = 0; i < count; ++i) {
diff --git a/src/test/java/com/alibaba/druid/bvt/pool/TestIdle3_Concurrent_MaxActive.java b/src/test/java/com/alibaba/druid/bvt/pool/TestIdle3_Concurrent_MaxActive.java
index 5729c85905..3cd08e951d 100644
--- a/src/test/java/com/alibaba/druid/bvt/pool/TestIdle3_Concurrent_MaxActive.java
+++ b/src/test/java/com/alibaba/druid/bvt/pool/TestIdle3_Concurrent_MaxActive.java
@@ -59,7 +59,7 @@ public class TestIdle3_Concurrent_MaxActive extends TestCase {
 
     public void test_idle2() throws Exception {
 
-        // 第一次创建连�?
+        // 第一次创建连接
         {
             Assert.assertEquals(0, dataSource.getCreateCount());
             Assert.assertEquals(0, dataSource.getActiveCount());
diff --git a/src/test/java/com/alibaba/druid/bvt/pool/TestRemoveAbandoned.java b/src/test/java/com/alibaba/druid/bvt/pool/TestRemoveAbandoned.java
index 7c68427e17..7b82a2d6da 100644
--- a/src/test/java/com/alibaba/druid/bvt/pool/TestRemoveAbandoned.java
+++ b/src/test/java/com/alibaba/druid/bvt/pool/TestRemoveAbandoned.java
@@ -61,7 +61,7 @@ public class TestRemoveAbandoned extends TestCase {
         Assert.assertEquals(1, dataSource.getActiveCount());
         Assert.assertEquals(0, dataSource.getPoolingCount());
 
-        // 超时之后，连接自动关�?
+        // 超时之后，连接自动关闭
         Thread.sleep(100);
         Assert.assertTrue(conn.isClosed());
 
diff --git a/src/test/java/com/alibaba/druid/pool/DruidTest.java b/src/test/java/com/alibaba/druid/pool/DruidTest.java
index 3413e4df2a..bdcba95b3d 100644
--- a/src/test/java/com/alibaba/druid/pool/DruidTest.java
+++ b/src/test/java/com/alibaba/druid/pool/DruidTest.java
@@ -64,7 +64,7 @@ public class DruidTest {
         ds.setUsername(username);
         ds.setPassword(pswd);
         ds.setUrl(connectURI);
-        ds.setInitialSize(initialSize); // 初始的连接数�?
+        ds.setInitialSize(initialSize); // 初始的连接数；
         ds.setMaxActive(maxActive);
         ds.setMaxIdle(maxIdle);
         ds.setMinIdle(minIdle);
diff --git a/src/test/java/com/alibaba/druid/pool/TestIdle3_Concurrent_MaxActive.java b/src/test/java/com/alibaba/druid/pool/TestIdle3_Concurrent_MaxActive.java
index 905dba589a..672cdadd54 100644
--- a/src/test/java/com/alibaba/druid/pool/TestIdle3_Concurrent_MaxActive.java
+++ b/src/test/java/com/alibaba/druid/pool/TestIdle3_Concurrent_MaxActive.java
@@ -56,7 +56,7 @@ public class TestIdle3_Concurrent_MaxActive extends TestCase {
         // ManagementFactory.getPlatformMBeanServer().registerMBean(dataSource,
         // new ObjectName("com.alibaba:type=DataSource"));
 
-        // 第一次创建连�?
+        // 第一次创建连接
         {
             Assert.assertEquals(0, dataSource.getCreateCount());
             Assert.assertEquals(0, dataSource.getActiveCount());
diff --git a/src/test/java/com/alibaba/druid/pool/TestIdle3_Concurrent_Starvation_Longtime.java b/src/test/java/com/alibaba/druid/pool/TestIdle3_Concurrent_Starvation_Longtime.java
index 602e592272..ee58c86764 100644
--- a/src/test/java/com/alibaba/druid/pool/TestIdle3_Concurrent_Starvation_Longtime.java
+++ b/src/test/java/com/alibaba/druid/pool/TestIdle3_Concurrent_Starvation_Longtime.java
@@ -61,7 +61,7 @@ public class TestIdle3_Concurrent_Starvation_Longtime extends TestCase {
 
     public void test_idle2() throws Exception {
 
-        // 第一次创建连�?
+        // 第一次创建连接
         {
             Assert.assertEquals(0, dataSource.getCreateCount());
             Assert.assertEquals(0, dataSource.getActiveCount());
diff --git a/src/test/java/com/alibaba/druid/pool/ui/DruidDataSourceUIManager.java b/src/test/java/com/alibaba/druid/pool/ui/DruidDataSourceUIManager.java
index 7d795f2abb..0885d71c0a 100644
--- a/src/test/java/com/alibaba/druid/pool/ui/DruidDataSourceUIManager.java
+++ b/src/test/java/com/alibaba/druid/pool/ui/DruidDataSourceUIManager.java
@@ -127,8 +127,8 @@ public class DruidDataSourceUIManager extends JFrame {
     public DruidDataSourceUIManager(){
         this.setLayout(new BorderLayout());
 
-        Toolkit kit = Toolkit.getDefaultToolkit(); // 定义工具�?
-        Dimension screenSize = kit.getScreenSize(); // 获取屏幕的尺�?
+        Toolkit kit = Toolkit.getDefaultToolkit(); // 定义工具包
+        Dimension screenSize = kit.getScreenSize(); // 获取屏幕的尺寸
         int screenWidth = screenSize.width / 2; // 获取屏幕的宽
         int screenHeight = screenSize.height / 2; // 获取屏幕的高
         int height = this.getHeight();