get junk char with gg, sync from oracle to mysql 5.5

 Hi all,

   I met the situation, configure gg to sync data from oracle 10.2.0.4 to mysql 5.5. the configuration works, the problem get junk chars. our table contain chinese chars, it displays junk chars in the mysql:

mysql> select * from GE_BILL_ADDRESS  where id=1 \G

*************************** 1. row ***************************

          ID: 1

CREATED_TIME: 2012-06-26 11:32:40

  CREATOR_ID: 4766

   DOMAIN_ID: 2

LOCK_VERSION: 0

UPDATED_TIME: 2013-04-07 10:04:17

  UPDATOR_ID: NULL

     RE_MARK: NULL

        UDF1: NULL

        UDF2: NULL

        UDF3: NULL

        UDF4: NULL

        UDF5: NULL

        UDF6: NULL

        UDF7: NULL

        UDF8: NULL

   BILL_CODE: NULL

    PROVINCE: 鐎瑰绐

        CITY: NULL

      COUNTY: NULL

     ADDRESS: 閸濆牆鐨靛銊ョ闁鏂傜悰

 DESTINATION: NULL

         LNG: 0.000000

         LAT: 0.000000

1 row in set (7.36 sec)

mysql> show variables like '%character%';