diff --git a/src/main/java/com/alibaba/druid/wall/spi/WallVisitorUtils.java b/src/main/java/com/alibaba/druid/wall/spi/WallVisitorUtils.java
index 8a0d28374e..e80709e84b 100644
--- a/src/main/java/com/alibaba/druid/wall/spi/WallVisitorUtils.java
+++ b/src/main/java/com/alibaba/druid/wall/spi/WallVisitorUtils.java
@@ -531,7 +531,7 @@ public class WallVisitorUtils {
                 Object result = getValue(visitor, groupList.get(i));
                 if (Boolean.TRUE == result) {
                     final WallConditionContext wallContext = WallVisitorUtils.getWallConditionContext();
-                    if (wallContext != null) {
+                    if (wallContext != null && i != 0) {
                         wallContext.setPartAlwayTrue(true);
                     }
                     return true;
@@ -627,14 +627,14 @@ public class WallVisitorUtils {
         if (x == null) {
             return false;
         }
-        
+
         for (;;) {
             SQLObject parent = x.getParent();
 
             if (parent == null) {
                 return false;
             }
-            
+
             if (parent instanceof SQLSelectQueryBlock) {
                 SQLSelectQueryBlock query = (SQLSelectQueryBlock) parent;
                 if (query.getWhere() == x) {
@@ -643,7 +643,7 @@ public class WallVisitorUtils {
                     return false;
                 }
             }
-            
+
             if (parent instanceof SQLSelectGroupByClause) {
                 SQLSelectGroupByClause groupBy = (SQLSelectGroupByClause) parent;
                 if (x == groupBy.getHaving()) {
@@ -652,7 +652,7 @@ public class WallVisitorUtils {
                     return false;
                 }
             }
-            
+
             x = parent;
         }
     }
diff --git a/src/test/java/com/alibaba/druid/bvt/filter/wall/MySqlWallTest_having.java b/src/test/java/com/alibaba/druid/bvt/filter/wall/MySqlWallTest_having.java
new file mode 100644
index 0000000000..7222220da7
--- /dev/null
+++ b/src/test/java/com/alibaba/druid/bvt/filter/wall/MySqlWallTest_having.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright 1999-2011 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.druid.bvt.filter.wall;
+
+import junit.framework.TestCase;
+
+import org.junit.Assert;
+
+import com.alibaba.druid.wall.WallUtils;
+
+/**
+ * SQLServerWallTest
+ * 
+ * @author RaymondXiu
+ * @version 1.0, 2012-3-18
+ * @see
+ */
+public class MySqlWallTest_having extends TestCase {
+
+    public void test_having() throws Exception {
+        Assert.assertTrue(WallUtils.isValidateMySql(//
+        "select id, count(*) from t group by id having 1 = 1"));
+    }
+    
+    public void test_having_true_first() throws Exception {
+        Assert.assertTrue(WallUtils.isValidateMySql(//
+        "select id, count(*) from t group by id having 1 = 1 AND count(*) > 2"));
+    }
+
+    public void test_having_false() throws Exception {
+        Assert.assertFalse(WallUtils.isValidateMySql(//
+        "select id, count(*) from t group by id having count(*) > 2 OR 1 = 1"));
+    }
+}