How to automatically set the creation time and modification time for MyBatis interceptor

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/**
  * Executor (update, query, flushStatements, commit, rollback, getTransaction, close, isClosed) Methods to intercept executors
	 ParameterHandler (getParameterObject, setParameters) Handling of intercepting parameters
	 ResultSetHandler (handleResultSets, handleOutputParameters) Processing of intercepting result sets
	 StatementHandler (prepare, parameterize, batch, update, query) Processing of intercepting Sql syntax construction
  * @author Administrator
  *
  */
@Intercepts({@Signature(type = ,method = "update",args = {,})})
@Component
public class HandleTimeInterceptor implements Interceptor {

	@Override
	public Object intercept(Invocation invocation) throws Throwable {
		 Object[] args = ();
		 MappedStatement mappedStatement = (MappedStatement) args[0];
		 SqlCommandType sqlCommandType = ();
		 if(sqlCommandType== ) {
			 if(args[1] instanceof BaseEntity) {
				BaseEntity baseEntity = (BaseEntity) args[1];
				(new Date());
				String userId="";
				 try
				 {
					 userId= ().toString();
				 }catch (Exception e){
					// throw new BaseException("No logged in at present");
				 }
				(userId);
			 }
		 }else if(sqlCommandType==) {
			 if(args[1] instanceof BaseEntity) {
				BaseEntity baseEntity = (BaseEntity) args[1];
				(new Date());
				String userId="";
				try
				{
				 userId= ().toString();
				}catch (Exception e){
					//throw new BaseException("No logged in at present");				}
				(userId);
			}
		 }

		return ();
	}

	@Override
	public Object plugin(Object target) {
		return (target, this);
	}

	@Override
	public void setProperties(Properties properties) {
	}
}

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
PUBLIC "-////DTD Config 3.0//EN"
"/dtd/">
<configuration>
    <!-- Global Parameters -->
    <settings>
        <!-- Make the global mapper enable or disable cache -->
        <setting name="cacheEnabled"             value="true"   />
        <!-- allowJDBC Support automatic generation of primary keys -->
        <setting name="useGeneratedKeys"         value="true"   />
        <!-- Configure the default executor.SIMPLEIt's an ordinary actuator;REUSEThe executor reuses preprocessing statements(prepared statements);BATCHThe executor will reuse the statement and perform batch updates -->
        <setting name="defaultExecutorType"      value="SIMPLE" />
		<!-- Specify MyBatis The specific implementation of the logs used -->
        <setting name="logImpl"                  value="SLF4J"  />
        <!-- Convert fields using camel nomenclature -->
		 <setting name="mapUnderscoreToCamelCase" value="true"/>
	</settings>
    <plugins>
        <plugin interceptor=""></plugin>

    </plugins>
</configuration>