diff --git a/src/main/java/com/alibaba/druid/filter/FilterEventAdapter.java b/src/main/java/com/alibaba/druid/filter/FilterEventAdapter.java
index 26894bf913..1dab2dc312 100644
--- a/src/main/java/com/alibaba/druid/filter/FilterEventAdapter.java
+++ b/src/main/java/com/alibaba/druid/filter/FilterEventAdapter.java
@@ -15,28 +15,11 @@
  */
 package com.alibaba.druid.filter;
 
-import java.io.InputStream;
-import java.io.Reader;
-import java.math.BigDecimal;
-import java.net.URL;
-import java.sql.Array;
-import java.sql.Blob;
-import java.sql.Clob;
-import java.sql.Date;
-import java.sql.NClob;
-import java.sql.Ref;
-import java.sql.RowId;
 import java.sql.SQLException;
-import java.sql.SQLXML;
-import java.sql.Time;
-import java.sql.Timestamp;
-import java.sql.Types;
-import java.util.Calendar;
 import java.util.Properties;
 
 import com.alibaba.druid.proxy.jdbc.CallableStatementProxy;
 import com.alibaba.druid.proxy.jdbc.ConnectionProxy;
-import com.alibaba.druid.proxy.jdbc.JdbcParameter.TYPE;
 import com.alibaba.druid.proxy.jdbc.PreparedStatementProxy;
 import com.alibaba.druid.proxy.jdbc.ResultSetProxy;
 import com.alibaba.druid.proxy.jdbc.StatementProxy;
@@ -566,367 +549,6 @@ public abstract class FilterEventAdapter extends FilterAdapter {
 
     }
 
-    // ////
-    @Override
-    public void preparedStatement_setArray(FilterChain chain, PreparedStatementProxy statement, int parameterIndex,
-                                           Array x) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.ARRAY, x);
-        chain.preparedStatement_setArray(statement, parameterIndex, x);
-    }
-
-    @Override
-    public void preparedStatement_setAsciiStream(FilterChain chain, PreparedStatementProxy statement,
-                                                 int parameterIndex, InputStream x) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, TYPE.AsciiInputStream, x);
-        chain.preparedStatement_setAsciiStream(statement, parameterIndex, x);
-    }
-
-    @Override
-    public void preparedStatement_setAsciiStream(FilterChain chain, PreparedStatementProxy statement,
-                                                 int parameterIndex, InputStream x, int length) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, TYPE.AsciiInputStream, x, length);
-        chain.preparedStatement_setAsciiStream(statement, parameterIndex, x, length);
-
-    }
-
-    @Override
-    public void preparedStatement_setAsciiStream(FilterChain chain, PreparedStatementProxy statement,
-                                                 int parameterIndex, InputStream x, long length) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, TYPE.AsciiInputStream, x, length);
-        chain.preparedStatement_setAsciiStream(statement, parameterIndex, x, length);
-
-    }
-
-    @Override
-    public void preparedStatement_setBigDecimal(FilterChain chain, PreparedStatementProxy statement,
-                                                int parameterIndex, BigDecimal x) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.DECIMAL, x);
-        chain.preparedStatement_setBigDecimal(statement, parameterIndex, x);
-
-    }
-
-    @Override
-    public void preparedStatement_setBinaryStream(FilterChain chain, PreparedStatementProxy statement,
-                                                  int parameterIndex, InputStream x) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, TYPE.BinaryInputStream, x);
-        chain.preparedStatement_setBinaryStream(statement, parameterIndex, x);
-
-    }
-
-    @Override
-    public void preparedStatement_setBinaryStream(FilterChain chain, PreparedStatementProxy statement,
-                                                  int parameterIndex, InputStream x, int length) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, TYPE.BinaryInputStream, x, length);
-        chain.preparedStatement_setBinaryStream(statement, parameterIndex, x, length);
-
-    }
-
-    @Override
-    public void preparedStatement_setBinaryStream(FilterChain chain, PreparedStatementProxy statement,
-                                                  int parameterIndex, InputStream x, long length) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, TYPE.BinaryInputStream, x, length);
-        chain.preparedStatement_setBinaryStream(statement, parameterIndex, x, length);
-
-    }
-
-    @Override
-    public void preparedStatement_setBlob(FilterChain chain, PreparedStatementProxy statement, int parameterIndex,
-                                          Blob x) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.BLOB, x);
-        chain.preparedStatement_setBlob(statement, parameterIndex, x);
-
-    }
-
-    @Override
-    public void preparedStatement_setBlob(FilterChain chain, PreparedStatementProxy statement, int parameterIndex,
-                                          InputStream x) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.BLOB, x);
-        chain.preparedStatement_setBlob(statement, parameterIndex, x);
-
-    }
-
-    @Override
-    public void preparedStatement_setBlob(FilterChain chain, PreparedStatementProxy statement, int parameterIndex,
-                                          InputStream x, long length) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.BLOB, x, length);
-        chain.preparedStatement_setBlob(statement, parameterIndex, x, length);
-
-    }
-
-    @Override
-    public void preparedStatement_setBoolean(FilterChain chain, PreparedStatementProxy statement, int parameterIndex,
-                                             boolean x) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.BOOLEAN, x);
-        chain.preparedStatement_setBoolean(statement, parameterIndex, x);
-
-    }
-
-    @Override
-    public void preparedStatement_setByte(FilterChain chain, PreparedStatementProxy statement, int parameterIndex,
-                                          byte x) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.TINYINT, x);
-        chain.preparedStatement_setByte(statement, parameterIndex, x);
-
-    }
-
-    @Override
-    public void preparedStatement_setBytes(FilterChain chain, PreparedStatementProxy statement, int parameterIndex,
-                                           byte[] x) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.BINARY, x);
-        chain.preparedStatement_setBytes(statement, parameterIndex, x);
-
-    }
-
-    @Override
-    public void preparedStatement_setCharacterStream(FilterChain chain, PreparedStatementProxy statement,
-                                                     int parameterIndex, Reader x) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, TYPE.CharacterInputStream, x);
-        chain.preparedStatement_setCharacterStream(statement, parameterIndex, x);
-    }
-
-    @Override
-    public void preparedStatement_setCharacterStream(FilterChain chain, PreparedStatementProxy statement,
-                                                     int parameterIndex, Reader x, int length) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, TYPE.CharacterInputStream, x, length);
-        chain.preparedStatement_setCharacterStream(statement, parameterIndex, x, length);
-    }
-
-    @Override
-    public void preparedStatement_setCharacterStream(FilterChain chain, PreparedStatementProxy statement,
-                                                     int parameterIndex, Reader x, long length) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, TYPE.CharacterInputStream, x, length);
-        chain.preparedStatement_setCharacterStream(statement, parameterIndex, x, length);
-    }
-
-    @Override
-    public void preparedStatement_setClob(FilterChain chain, PreparedStatementProxy statement, int parameterIndex,
-                                          Clob x) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.CLOB, x);
-        chain.preparedStatement_setClob(statement, parameterIndex, x);
-    }
-
-    @Override
-    public void preparedStatement_setClob(FilterChain chain, PreparedStatementProxy statement, int parameterIndex,
-                                          Reader x) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.CLOB, x);
-        chain.preparedStatement_setClob(statement, parameterIndex, x);
-
-    }
-
-    @Override
-    public void preparedStatement_setClob(FilterChain chain, PreparedStatementProxy statement, int parameterIndex,
-                                          Reader x, long length) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.CLOB, x, length);
-        chain.preparedStatement_setClob(statement, parameterIndex, x, length);
-
-    }
-
-    @Override
-    public void preparedStatement_setDate(FilterChain chain, PreparedStatementProxy statement, int parameterIndex,
-                                          Date x) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.DATE, x);
-        chain.preparedStatement_setDate(statement, parameterIndex, x);
-
-    }
-
-    @Override
-    public void preparedStatement_setDate(FilterChain chain, PreparedStatementProxy statement, int parameterIndex,
-                                          Date x, Calendar cal) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.DATE, x, cal);
-        chain.preparedStatement_setDate(statement, parameterIndex, x, cal);
-
-    }
-
-    @Override
-    public void preparedStatement_setDouble(FilterChain chain, PreparedStatementProxy statement, int parameterIndex,
-                                            double x) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.DOUBLE, x);
-        chain.preparedStatement_setDouble(statement, parameterIndex, x);
-
-    }
-
-    @Override
-    public void preparedStatement_setFloat(FilterChain chain, PreparedStatementProxy statement, int parameterIndex,
-                                           float x) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.FLOAT, x);
-        chain.preparedStatement_setFloat(statement, parameterIndex, x);
-
-    }
-
-    @Override
-    public void preparedStatement_setInt(FilterChain chain, PreparedStatementProxy statement, int parameterIndex, int x)
-                                                                                                                        throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.INTEGER, x);
-        chain.preparedStatement_setInt(statement, parameterIndex, x);
-
-    }
-
-    @Override
-    public void preparedStatement_setLong(FilterChain chain, PreparedStatementProxy statement, int parameterIndex,
-                                          long x) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.BIGINT, x);
-        chain.preparedStatement_setLong(statement, parameterIndex, x);
-
-    }
-
-    @Override
-    public void preparedStatement_setNCharacterStream(FilterChain chain, PreparedStatementProxy statement,
-                                                      int parameterIndex, Reader x) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, TYPE.NCharacterInputStream, x);
-        chain.preparedStatement_setNCharacterStream(statement, parameterIndex, x);
-
-    }
-
-    @Override
-    public void preparedStatement_setNCharacterStream(FilterChain chain, PreparedStatementProxy statement,
-                                                      int parameterIndex, Reader x, long length) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, TYPE.NCharacterInputStream, x, length);
-        chain.preparedStatement_setNCharacterStream(statement, parameterIndex, x, length);
-
-    }
-
-    @Override
-    public void preparedStatement_setNClob(FilterChain chain, PreparedStatementProxy statement, int parameterIndex,
-                                           NClob x) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.NCLOB, x);
-        chain.preparedStatement_setNClob(statement, parameterIndex, x);
-
-    }
-
-    @Override
-    public void preparedStatement_setNClob(FilterChain chain, PreparedStatementProxy statement, int parameterIndex,
-                                           Reader x) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.NCLOB, x);
-        chain.preparedStatement_setNClob(statement, parameterIndex, x);
-
-    }
-
-    @Override
-    public void preparedStatement_setNClob(FilterChain chain, PreparedStatementProxy statement, int parameterIndex,
-                                           Reader x, long length) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.NCLOB, x, length);
-        chain.preparedStatement_setNClob(statement, parameterIndex, x, length);
-
-    }
-
-    @Override
-    public void preparedStatement_setNString(FilterChain chain, PreparedStatementProxy statement, int parameterIndex,
-                                             String x) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.NVARCHAR, x);
-        chain.preparedStatement_setNString(statement, parameterIndex, x);
-
-    }
-
-    @Override
-    public void preparedStatement_setNull(FilterChain chain, PreparedStatementProxy statement, int parameterIndex,
-                                          int sqlType) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.NULL);
-        chain.preparedStatement_setNull(statement, parameterIndex, sqlType);
-    }
-
-    @Override
-    public void preparedStatement_setNull(FilterChain chain, PreparedStatementProxy statement, int parameterIndex,
-                                          int sqlType, String typeName) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.NULL, sqlType, typeName);
-        chain.preparedStatement_setNull(statement, parameterIndex, sqlType, typeName);
-    }
-
-    @Override
-    public void preparedStatement_setObject(FilterChain chain, PreparedStatementProxy statement, int parameterIndex,
-                                            Object x) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.JAVA_OBJECT, x);
-        chain.preparedStatement_setObject(statement, parameterIndex, x);
-    }
-
-    @Override
-    public void preparedStatement_setObject(FilterChain chain, PreparedStatementProxy statement, int parameterIndex,
-                                            Object x, int targetSqlType) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.JAVA_OBJECT, x, targetSqlType);
-        chain.preparedStatement_setObject(statement, parameterIndex, x, targetSqlType);
-    }
-
-    @Override
-    public void preparedStatement_setObject(FilterChain chain, PreparedStatementProxy statement, int parameterIndex,
-                                            Object x, int targetSqlType, int scaleOrLength) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.JAVA_OBJECT, x, targetSqlType,
-                                             scaleOrLength);
-        chain.preparedStatement_setObject(statement, parameterIndex, x, targetSqlType, scaleOrLength);
-    }
-
-    @Override
-    public void preparedStatement_setRef(FilterChain chain, PreparedStatementProxy statement, int parameterIndex, Ref x)
-                                                                                                                        throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.REF, x);
-        chain.preparedStatement_setRef(statement, parameterIndex, x);
-    }
-
-    @Override
-    public void preparedStatement_setRowId(FilterChain chain, PreparedStatementProxy statement, int parameterIndex,
-                                           RowId x) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.ROWID, x);
-        chain.preparedStatement_setRowId(statement, parameterIndex, x);
-    }
-
-    @Override
-    public void preparedStatement_setSQLXML(FilterChain chain, PreparedStatementProxy statement, int parameterIndex,
-                                            SQLXML x) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.SQLXML, x);
-        chain.preparedStatement_setSQLXML(statement, parameterIndex, x);
-    }
-
-    @Override
-    public void preparedStatement_setShort(FilterChain chain, PreparedStatementProxy statement, int parameterIndex,
-                                           short x) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.SMALLINT, x);
-        chain.preparedStatement_setShort(statement, parameterIndex, x);
-    }
-
-    @Override
-    public void preparedStatement_setString(FilterChain chain, PreparedStatementProxy statement, int parameterIndex,
-                                            String x) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.VARCHAR, x);
-        chain.preparedStatement_setString(statement, parameterIndex, x);
-    }
-
-    @Override
-    public void preparedStatement_setTime(FilterChain chain, PreparedStatementProxy statement, int parameterIndex,
-                                          Time x) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.TIME, x);
-        chain.preparedStatement_setTime(statement, parameterIndex, x);
-    }
-
-    @Override
-    public void preparedStatement_setTime(FilterChain chain, PreparedStatementProxy statement, int parameterIndex,
-                                          Time x, Calendar cal) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.TIME, x, cal);
-        chain.preparedStatement_setTime(statement, parameterIndex, x, cal);
-    }
-
-    @Override
-    public void preparedStatement_setTimestamp(FilterChain chain, PreparedStatementProxy statement, int parameterIndex,
-                                               Timestamp x) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.TIMESTAMP, x);
-        chain.preparedStatement_setTimestamp(statement, parameterIndex, x);
-    }
-
-    @Override
-    public void preparedStatement_setTimestamp(FilterChain chain, PreparedStatementProxy statement, int parameterIndex,
-                                               Timestamp x, Calendar cal) throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, Types.TIMESTAMP, x, cal);
-        chain.preparedStatement_setTimestamp(statement, parameterIndex, x, cal);
-    }
-
-    @Override
-    public void preparedStatement_setURL(FilterChain chain, PreparedStatementProxy statement, int parameterIndex, URL x)
-                                                                                                                        throws SQLException {
-        preparedStatement_setParameterBefore(statement, parameterIndex, TYPE.URL, x);
-        chain.preparedStatement_setURL(statement, parameterIndex, x);
-    }
-
-    protected void preparedStatement_setParameterBefore(PreparedStatementProxy statement, int parameterIndex,
-                                                        int sqlType, Object... values) {
-    }
-
     protected void statement_executeErrorAfter(StatementProxy statement, String sql, Throwable error) {
 
     }
diff --git a/src/main/java/com/alibaba/druid/filter/logging/LogFilter.java b/src/main/java/com/alibaba/druid/filter/logging/LogFilter.java
index e10154e53a..092c360101 100644
--- a/src/main/java/com/alibaba/druid/filter/logging/LogFilter.java
+++ b/src/main/java/com/alibaba/druid/filter/logging/LogFilter.java
@@ -328,7 +328,6 @@ public abstract class LogFilter extends FilterEventAdapter implements LogFilterM
         }
     }
 
-
     @Override
     protected void statementExecuteAfter(StatementProxy statement, String sql, boolean firstResult) {
         if (statementExecuteAfterLogEnable && isStatementLogEnabled()) {
@@ -519,11 +518,6 @@ public abstract class LogFilter extends FilterEventAdapter implements LogFilterM
         return buf.toString();
     }
 
-    protected void preparedStatement_setParameterBefore(PreparedStatementProxy statement, int parameterIndex,
-                                                        int sqlType, Object... values) {
-
-    }
-
     protected void logParameter(PreparedStatementProxy statement) {
         if (statementParameterSetLogEnable && isStatementLogEnabled()) {
             {