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 aab130a4d4..8f07849349 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
@@ -46,18 +46,18 @@ public class MySqlWallVisitor extends MySqlASTVisitorAdapter implements WallVisi
     public MySqlWallVisitor(){
         this(new ArrayList<Violation>(), true);
     }
-    
-    public MySqlWallVisitor(boolean loadDefault) {
+
+    public MySqlWallVisitor(boolean loadDefault){
         this(new ArrayList<Violation>(), loadDefault);
     }
 
     public MySqlWallVisitor(List<Violation> violations, boolean loadDefault){
         this.violations = violations;
 
-        loadDefault();
-    }
-
-    public void loadDefault() {
+        if (loadDefault) {
+            loadDefault();
+        }
+        
         WallVisitorUtils.loadResource(this.permitNames, "META-INF/druid-filter-wall-permit-name-mysql.txt");
         WallVisitorUtils.loadResource(this.permitSchemas, "META-INF/druid-filter-wall-permit-schema-mysql.txt");
         WallVisitorUtils.loadResource(this.permitFunctions, "META-INF/druid-filter-wall-permit-function-mysql.txt");
@@ -65,6 +65,14 @@ public class MySqlWallVisitor extends MySqlASTVisitorAdapter implements WallVisi
         WallVisitorUtils.loadResource(this.permitObjects, "META-INF/druid-filter-wall-permit-object-mysql.txt");
     }
 
+    public void loadDefault() {
+        WallVisitorUtils.loadResource(this.permitNames, "META-INF/druid-filter-wall-permit-name-mysql-default.txt");
+        WallVisitorUtils.loadResource(this.permitSchemas, "META-INF/druid-filter-wall-permit-schema-mysql-default.txt");
+        WallVisitorUtils.loadResource(this.permitFunctions, "META-INF/druid-filter-wall-permit-function-mysql-default.txt");
+        WallVisitorUtils.loadResource(this.permitTables, "META-INF/druid-filter-wall-permit-table-mysql-default.txt");
+        WallVisitorUtils.loadResource(this.permitObjects, "META-INF/druid-filter-wall-permit-object-mysql-default.txt");
+    }
+
     public Set<String> getPermitNames() {
         return permitNames;
     }
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 1dbcb8c3df..586f88eeb5 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
@@ -46,18 +46,18 @@ public class OracleWallVisitor extends OracleASTVIsitorAdapter implements WallVi
     public OracleWallVisitor(){
         this(new ArrayList<Violation>(), true);
     }
-    
-    public OracleWallVisitor(boolean loadDefault) {
+
+    public OracleWallVisitor(boolean loadDefault){
         this(new ArrayList<Violation>(), loadDefault);
     }
 
     public OracleWallVisitor(List<Violation> violations, boolean loadDefault){
         this.violations = violations;
 
-        loadDefault();
-    }
-
-    public void loadDefault() {
+        if (loadDefault) {
+            loadDefault();
+        }
+        
         WallVisitorUtils.loadResource(this.permitNames, "META-INF/druid-filter-wall-permit-name-oracle.txt");
         WallVisitorUtils.loadResource(this.permitSchemas, "META-INF/druid-filter-wall-permit-schema-oracle.txt");
         WallVisitorUtils.loadResource(this.permitFunctions, "META-INF/druid-filter-wall-permit-function-oracle.txt");
@@ -65,6 +65,14 @@ public class OracleWallVisitor extends OracleASTVIsitorAdapter implements WallVi
         WallVisitorUtils.loadResource(this.permitObjects, "META-INF/druid-filter-wall-permit-object-oracle.txt");
     }
 
+    public void loadDefault() {
+        WallVisitorUtils.loadResource(this.permitNames, "META-INF/druid-filter-wall-permit-name-oracle-default.txt");
+        WallVisitorUtils.loadResource(this.permitSchemas, "META-INF/druid-filter-wall-permit-schema-oracle-default.txt");
+        WallVisitorUtils.loadResource(this.permitFunctions, "META-INF/druid-filter-wall-permit-function-oracle-default.txt");
+        WallVisitorUtils.loadResource(this.permitTables, "META-INF/druid-filter-wall-permit-table-oracle-default.txt");
+        WallVisitorUtils.loadResource(this.permitObjects, "META-INF/druid-filter-wall-permit-object-oracle-default.txt");
+    }
+
     public void addPermitName(String name) {
         name = name.toLowerCase();
         permitNames.add(name);
diff --git a/src/main/resources/META-INF/druid-filter-wall-permit-function-mysql.txt b/src/main/resources/META-INF/druid-filter-wall-permit-function-mysql-default.txt
similarity index 100%
rename from src/main/resources/META-INF/druid-filter-wall-permit-function-mysql.txt
rename to src/main/resources/META-INF/druid-filter-wall-permit-function-mysql-default.txt
diff --git a/src/main/resources/META-INF/druid-filter-wall-permit-function-oracle.txt b/src/main/resources/META-INF/druid-filter-wall-permit-function-oracle-default.txt
similarity index 100%
rename from src/main/resources/META-INF/druid-filter-wall-permit-function-oracle.txt
rename to src/main/resources/META-INF/druid-filter-wall-permit-function-oracle-default.txt
diff --git a/src/main/resources/META-INF/druid-filter-wall-permit-name-oracle.txt b/src/main/resources/META-INF/druid-filter-wall-permit-name-oracle-default.txt
similarity index 100%
rename from src/main/resources/META-INF/druid-filter-wall-permit-name-oracle.txt
rename to src/main/resources/META-INF/druid-filter-wall-permit-name-oracle-default.txt
diff --git a/src/main/resources/META-INF/druid-filter-wall-permit-object-oracle.txt b/src/main/resources/META-INF/druid-filter-wall-permit-object-oracle-default.txt
similarity index 100%
rename from src/main/resources/META-INF/druid-filter-wall-permit-object-oracle.txt
rename to src/main/resources/META-INF/druid-filter-wall-permit-object-oracle-default.txt
diff --git a/src/main/resources/META-INF/druid-filter-wall-permit-schema-mysql.txt b/src/main/resources/META-INF/druid-filter-wall-permit-schema-mysql-default.txt
similarity index 100%
rename from src/main/resources/META-INF/druid-filter-wall-permit-schema-mysql.txt
rename to src/main/resources/META-INF/druid-filter-wall-permit-schema-mysql-default.txt
diff --git a/src/main/resources/META-INF/druid-filter-wall-permit-schema-oracle.txt b/src/main/resources/META-INF/druid-filter-wall-permit-schema-oracle-default.txt
similarity index 100%
rename from src/main/resources/META-INF/druid-filter-wall-permit-schema-oracle.txt
rename to src/main/resources/META-INF/druid-filter-wall-permit-schema-oracle-default.txt
diff --git a/src/main/resources/META-INF/druid-filter-wall-permit-table-oracle.txt b/src/main/resources/META-INF/druid-filter-wall-permit-table-oracle-default.txt
similarity index 100%
rename from src/main/resources/META-INF/druid-filter-wall-permit-table-oracle.txt
rename to src/main/resources/META-INF/druid-filter-wall-permit-table-oracle-default.txt