diff --git a/src/main/java/com/alibaba/druid/wall/spi/MySqlWallVisitor.java b/src/main/java/com/alibaba/druid/wall/spi/MySqlWallVisitor.java
index 8f352e4ba2..d620099e50 100644
--- a/src/main/java/com/alibaba/druid/wall/spi/MySqlWallVisitor.java
+++ b/src/main/java/com/alibaba/druid/wall/spi/MySqlWallVisitor.java
@@ -28,6 +28,7 @@ import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlInsertStatement;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSelectGroupBy;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSelectQueryBlock;
 import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlSelectQueryBlock.Limit;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlUpdateStatement;
 import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlASTVisitor;
 import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlASTVisitorAdapter;
 import com.alibaba.druid.wall.Violation;
@@ -109,6 +110,11 @@ public class MySqlWallVisitor extends MySqlASTVisitorAdapter implements WallVisi
         WallVisitorUtils.checkDelete(this, x);
         return true;
     }
+    
+    @Override
+    public boolean visit(MySqlUpdateStatement x) {
+        return visit((SQLUpdateStatement) x);
+    }
 
     @Override
     public boolean visit(SQLUpdateStatement x) {