diff --git a/src/main/java/com/alibaba/druid/filter/wall/WallConfig.java b/src/main/java/com/alibaba/druid/filter/wall/WallConfig.java
index 6cf790d56f..c04b8f0ed5 100644
--- a/src/main/java/com/alibaba/druid/filter/wall/WallConfig.java
+++ b/src/main/java/com/alibaba/druid/filter/wall/WallConfig.java
@@ -32,11 +32,13 @@ public class WallConfig {
     private boolean             shcemaCheck                = true;
     private boolean             tableCheck                 = true;
     private boolean             functionCheck              = true;
+    private boolean             objectCheck                = true;
+    private boolean             variantCheck               = true;
 
     protected final Set<String> permitFunctions            = new HashSet<String>();
     protected final Set<String> permitTables               = new HashSet<String>();
     protected final Set<String> permitSchemas              = new HashSet<String>();
-    protected final Set<String> permitNames                = new HashSet<String>();
+    protected final Set<String> permitVariants             = new HashSet<String>();
     protected final Set<String> permitObjects              = new HashSet<String>();
 
     private String              dir;
@@ -73,7 +75,7 @@ public class WallConfig {
             dir = dir.substring(0, dir.length() - 1);
         }
 
-        loadResource(getPermitNames(), dir + "/permit-name.txt");
+        loadResource(getPermitVariants(), dir + "/permit-variant.txt");
         loadResource(getPermitSchemas(), dir + "/permit-schema.txt");
         loadResource(getPermitFunctions(), dir + "/permit-function.txt");
         loadResource(getPermitTables(), dir + "/permit-table.txt");
@@ -216,6 +218,22 @@ public class WallConfig {
         this.functionCheck = functionCheck;
     }
 
+    public boolean isVariantCheck() {
+        return variantCheck;
+    }
+
+    public void setVariantCheck(boolean variantCheck) {
+        this.variantCheck = variantCheck;
+    }
+
+    public boolean isObjectCheck() {
+        return objectCheck;
+    }
+
+    public void setObjectCheck(boolean objectCheck) {
+        this.objectCheck = objectCheck;
+    }
+
     // ///////////////////
 
     public Set<String> getPermitFunctions() {
@@ -230,8 +248,8 @@ public class WallConfig {
         return permitSchemas;
     }
 
-    public Set<String> getPermitNames() {
-        return permitNames;
+    public Set<String> getPermitVariants() {
+        return permitVariants;
     }
 
     public Set<String> getPermitObjects() {
diff --git a/src/main/java/com/alibaba/druid/filter/wall/spi/MySqlWallVisitor.java b/src/main/java/com/alibaba/druid/filter/wall/spi/MySqlWallVisitor.java
index 7608428884..fb42d1131c 100644
--- a/src/main/java/com/alibaba/druid/filter/wall/spi/MySqlWallVisitor.java
+++ b/src/main/java/com/alibaba/druid/filter/wall/spi/MySqlWallVisitor.java
@@ -142,7 +142,7 @@ public class MySqlWallVisitor extends MySqlASTVisitorAdapter implements WallVisi
             return false;
         }
 
-        if (varName.startsWith("@@")) {
+        if (config.isVariantCheck() && varName.startsWith("@@")) {
             violations.add(new IllegalSQLObjectViolation(toSQL(x)));
         }
 
@@ -201,7 +201,7 @@ public class MySqlWallVisitor extends MySqlASTVisitorAdapter implements WallVisi
         if (!(x instanceof SQLStatement)) {
             return;
         }
-        
+
         if (config.isNoneBaseStatementAllow()) {
             return;
         }
@@ -213,10 +213,10 @@ public class MySqlWallVisitor extends MySqlASTVisitorAdapter implements WallVisi
         } else if (x instanceof SQLDeleteStatement) {
 
         } else if (x instanceof SQLUpdateStatement) {
-            
+
         } else if (x instanceof SQLTruncateStatement) {
             if (!config.isTruncateAllow()) {
-                violations.add(new IllegalSQLObjectViolation(toSQL(x)));    
+                violations.add(new IllegalSQLObjectViolation(toSQL(x)));
             }
         } else {
             violations.add(new IllegalSQLObjectViolation(toSQL(x)));
diff --git a/src/main/java/com/alibaba/druid/filter/wall/spi/OracleWallVisitor.java b/src/main/java/com/alibaba/druid/filter/wall/spi/OracleWallVisitor.java
index 118d54de2d..2bc5c39944 100644
--- a/src/main/java/com/alibaba/druid/filter/wall/spi/OracleWallVisitor.java
+++ b/src/main/java/com/alibaba/druid/filter/wall/spi/OracleWallVisitor.java
@@ -51,7 +51,11 @@ public class OracleWallVisitor extends OracleASTVIsitorAdapter implements WallVi
     }
 
     public boolean visit(SQLIdentifierExpr x) {
-
+        String name = x.getName();
+        name = WallVisitorUtils.form(name);
+        if (config.isVariantCheck() && config.getPermitVariants().contains(name)) {
+            getViolations().add(new IllegalSQLObjectViolation(toSQL(x)));
+        }
         return true;
     }
 
diff --git a/src/main/resources/META-INF/druid/wall/oracle/permit-name.txt b/src/main/resources/META-INF/druid/wall/oracle/permit-variant.txt
similarity index 100%
rename from src/main/resources/META-INF/druid/wall/oracle/permit-name.txt
rename to src/main/resources/META-INF/druid/wall/oracle/permit-variant.txt
diff --git a/src/test/java/com/alibaba/druid/bvt/filter/wall/MySqlWallPermitVariantTest.java b/src/test/java/com/alibaba/druid/bvt/filter/wall/MySqlWallPermitVariantTest.java
new file mode 100644
index 0000000000..cf0975113d
--- /dev/null
+++ b/src/test/java/com/alibaba/druid/bvt/filter/wall/MySqlWallPermitVariantTest.java
@@ -0,0 +1,30 @@
+package com.alibaba.druid.bvt.filter.wall;
+
+import junit.framework.TestCase;
+
+import org.junit.Assert;
+
+import com.alibaba.druid.filter.wall.WallConfig;
+import com.alibaba.druid.filter.wall.WallUtils;
+
+/**
+ * 这个场景测试访问Oracle系统对象
+ * 
+ * @author admin
+ */
+public class MySqlWallPermitVariantTest extends TestCase {
+
+    public void test_allow() throws Exception {
+        WallConfig config = new WallConfig();
+        config.setVariantCheck(false);
+        
+        Assert.assertTrue(WallUtils.isValidateMySql("select @@version_compile_os", config));
+    }
+    
+    public void test_not_allow() throws Exception {
+        WallConfig config = new WallConfig();
+        config.setVariantCheck(true);
+        
+        Assert.assertFalse(WallUtils.isValidateMySql("select @@version_compile_os", config));
+    }
+}
diff --git a/src/test/java/com/alibaba/druid/bvt/filter/wall/OracleWallPermitVariantTest.java b/src/test/java/com/alibaba/druid/bvt/filter/wall/OracleWallPermitVariantTest.java
new file mode 100644
index 0000000000..73798f8998
--- /dev/null
+++ b/src/test/java/com/alibaba/druid/bvt/filter/wall/OracleWallPermitVariantTest.java
@@ -0,0 +1,26 @@
+package com.alibaba.druid.bvt.filter.wall;
+
+import junit.framework.TestCase;
+
+import org.junit.Assert;
+
+import com.alibaba.druid.filter.wall.WallConfig;
+import com.alibaba.druid.filter.wall.WallUtils;
+
+/**
+ * 这个场景测试访问Oracle系统对象
+ * 
+ * @author admin
+ */
+public class OracleWallPermitVariantTest extends TestCase {
+
+    public void test_permitTable() throws Exception {
+        WallConfig config = new WallConfig();
+        config.setVariantCheck(false);
+        
+        Assert.assertTrue(WallUtils.isValidateOracle("select UID from dual", config));
+        Assert.assertTrue(WallUtils.isValidateOracle("select USER from dual", config));
+        Assert.assertTrue(WallUtils.isValidateOracle("select user from dual", config));
+    }
+    
+}
diff --git a/src/test/java/com/alibaba/druid/bvt/filter/wall/OracleWallPermitVariantTest2.java b/src/test/java/com/alibaba/druid/bvt/filter/wall/OracleWallPermitVariantTest2.java
new file mode 100644
index 0000000000..9f8c44d9aa
--- /dev/null
+++ b/src/test/java/com/alibaba/druid/bvt/filter/wall/OracleWallPermitVariantTest2.java
@@ -0,0 +1,21 @@
+package com.alibaba.druid.bvt.filter.wall;
+
+import junit.framework.TestCase;
+
+import org.junit.Assert;
+
+import com.alibaba.druid.filter.wall.WallUtils;
+
+/**
+ * 这个场景测试访问Oracle系统对象
+ * 
+ * @author admin
+ */
+public class OracleWallPermitVariantTest2 extends TestCase {
+
+    public void test_permitTable() throws Exception {
+        Assert.assertFalse(WallUtils.isValidateOracle("select UID from dual"));
+        Assert.assertFalse(WallUtils.isValidateOracle("select USER from dual"));
+    }
+    
+}
diff --git a/src/test/java/com/alibaba/druid/sql/OnlineOracleTest3.java b/src/test/java/com/alibaba/druid/sql/OnlineOracleTest3.java
index cfe738d3c1..5558624799 100644
--- a/src/test/java/com/alibaba/druid/sql/OnlineOracleTest3.java
+++ b/src/test/java/com/alibaba/druid/sql/OnlineOracleTest3.java
@@ -34,7 +34,7 @@ public class OnlineOracleTest3 extends TestCase {
     }
 
     public void test_connect() throws Exception {
-        executeQuery("select * from all_users");
+        executeQuery("select UID, USER FROM DUAL");
     }
 
     public void executeQuery(String sql) throws SQLException {