mybatis的报错…ORA-00911: 无效字符,该怎么解决

<select id="findLocalPeopleSfzh" parameterType="com.tzyt.common.model.PageMap"
    resultType="java.lang.String">
    select t.sfzh from t_ldrk t 
	<trim prefix="where" prefixOverrides="and|or">
    	<if test="condition  != null and condition.differDay  != null">
   			and t.djrq > (sysdate - #{condition.differDay}) 
   	 	</if>
   		and t.djrq 
   			<![CDATA[ < ]]> 
   		sysdate;
    </trim>
  </select>

org.springframework.jdbc.BadSqlGrammarException: 
### Error querying database.  Cause: java.sql.SQLException: ORA-00911: 无效字符

### The error may involve com.tzyt.people.dao.PeopleMapper.findLocalPeopleSfzh-Inline
### The error occurred while setting parameters
### Cause: java.sql.SQLException: ORA-00911: 无效字符

; bad SQL grammar []; nested exception is java.sql.SQLException: ORA-00911: 无效字符

	at org.springframework.jdbc.support.SQLStateSQLExceptionTranslator.doTranslate(SQLStateSQLExceptionTranslator.java:98)
	at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:72)
	at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:80)
	at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:80)
	at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:71)
	at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:346)
	at $Proxy9.selectList(Unknown Source)
	at org.mybatis.spring.SqlSessionTemplate.selectList(SqlSessionTemplate.java:189)
	at org.apache.ibatis.binding.MapperMethod.executeForList(MapperMethod.java:100)
	at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:70)
	at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:38)
	at $Proxy25.findLocalPeopleSfzh(Unknown Source)
	at com.tzyt.people.service.impl.PeopleServiceImpl.findLocalPeopleSfzh(PeopleServiceImpl.java:1036)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:309)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
	at $Proxy41.findLocalPeopleSfzh(Unknown Source)
	at com.tzyt.people.junit.PeopleTest.testGetAdminPopedomDetail(PeopleTest.java:42)