diff --git a/src/main/java/com/alibaba/druid/filter/wall/WallProvider.java b/src/main/java/com/alibaba/druid/filter/wall/WallProvider.java
index 8f4309b584..6c4d10ab91 100644
--- a/src/main/java/com/alibaba/druid/filter/wall/WallProvider.java
+++ b/src/main/java/com/alibaba/druid/filter/wall/WallProvider.java
@@ -50,6 +50,10 @@ public abstract class WallProvider {
     public abstract SQLStatementParser createParser(String sql);
 
     public abstract WallVisitor createWallVisitor();
+    
+    public boolean checkValid(String sql) {
+        return check(sql).size() == 0;
+    }
 
     public List<Violation> check(String sql) {
         // first step, check whiteList
diff --git a/src/main/java/com/alibaba/druid/filter/wall/WallUtils.java b/src/main/java/com/alibaba/druid/filter/wall/WallUtils.java
index c629e5e5d8..e25fbe2d3b 100644
--- a/src/main/java/com/alibaba/druid/filter/wall/WallUtils.java
+++ b/src/main/java/com/alibaba/druid/filter/wall/WallUtils.java
@@ -1,7 +1,5 @@
 package com.alibaba.druid.filter.wall;
 
-import java.util.List;
-
 import com.alibaba.druid.filter.wall.spi.MySqlWallProvider;
 import com.alibaba.druid.filter.wall.spi.OracleWallProvider;
 
@@ -9,25 +7,21 @@ public class WallUtils {
 
     public static boolean isValidateMySql(String sql) {
         MySqlWallProvider provider = new MySqlWallProvider();
-        List<Violation> violations =  provider.check(sql);
-        return violations.size() == 0;
+        return provider.checkValid(sql);
     }
 
     public static boolean isValidateMySql(String sql, WallConfig config) {
         MySqlWallProvider provider = new MySqlWallProvider(config);
-        List<Violation> violations =  provider.check(sql);
-        return violations.size() == 0;
+        return provider.checkValid(sql);
     }
 
     public static boolean isValidateOracle(String sql) {
         OracleWallProvider provider = new OracleWallProvider();
-        List<Violation> violations =  provider.check(sql);
-        return violations.size() == 0;
+        return provider.checkValid(sql);
     }
 
     public static boolean isValidateOracle(String sql, WallConfig config) {
         OracleWallProvider provider = new OracleWallProvider(config);
-        List<Violation> violations =  provider.check(sql);
-        return violations.size() == 0;
+        return provider.checkValid(sql);
     }
 }