diff --git a/deps/oblib/unittest/common/test_ob_object.cpp b/deps/oblib/unittest/common/test_ob_object.cpp
index f7c1dfe16..6cc5ccb17 100644
--- a/deps/oblib/unittest/common/test_ob_object.cpp
+++ b/deps/oblib/unittest/common/test_ob_object.cpp
@@ -791,7 +791,7 @@ TEST_F(TestObObj, test_serialize)
   const char * cases[] =
       {
         "",
-        "10.244.4.30:55412;10.244.4.31:55412"
+        "127.0.0.1:55412;127.0.0.2:55412"
       };
   for (int64_t i = 0; i < ARRAYSIZEOF(cases); ++i) {
     obj1.set_varchar(cases[i]);
diff --git a/script/import/ob_import.py b/script/import/ob_import.py
index c78bcc67c..8e1a4c580 100755
--- a/script/import/ob_import.py
+++ b/script/import/ob_import.py
@@ -17,7 +17,7 @@ param['null'] = '\3'
 
 param['table_name'] = 't1'
 param['column_count'] = 4
-param['host'] = "10.232.38.8"
+param['host'] = "127.0.0.1"
 param['port'] = 35999
 param['user'] = "admin"
 param['passwd'] = "admin"
diff --git a/src/libtable/test/ob_batch_execute_test.cpp b/src/libtable/test/ob_batch_execute_test.cpp
index 68509fdd5..6a1bda890 100644
--- a/src/libtable/test/ob_batch_execute_test.cpp
+++ b/src/libtable/test/ob_batch_execute_test.cpp
@@ -30,10 +30,10 @@
 using namespace oceanbase::common;
 using namespace oceanbase::table;
 
-// const char* host = "100.88.11.91";
+// const char* host = "127.0.0.1";
 // int32_t sql_port = 60809;
 // int32_t rpc_port = 60808;
-const char* host = "11.158.97.240";
+const char* host = "127.0.0.1";
 int32_t sql_port = 41101;
 int32_t rpc_port = 41100;
 const char* tenant = "sys";
diff --git a/src/libtable/test/run_test_table_api.sh b/src/libtable/test/run_test_table_api.sh
index d3d5b5bea..7a50f5995 100755
--- a/src/libtable/test/run_test_table_api.sh
+++ b/src/libtable/test/run_test_table_api.sh
@@ -1,10 +1,10 @@
 #!/bin/bash -x
 
-HOST=${1:-11.166.82.163}
+HOST=${1:-127.0.0.1}
 PORT=${2:-46905}
 RPCPORT=${3:-46904}
 
-# HOST=${1:-11.158.97.240}
+# HOST=${1:-127.0.0.1}
 # PORT=${2:-41101}
 # RPCPORT=${3:-41100}
 
@@ -18,7 +18,7 @@ table_name=batch_execute_test
 passwd=''
 user="$user_name@$tenant_name"
 db=test
-# ~/myWorkspace/dooba/dooba -d -h 100.88.11.96 -P 50803 -u root@sys --table-api=1
+# ~/myWorkspace/dooba/dooba -d -h 127.0.0.1 -P 50803 -u root@sys --table-api=1
 echo run test...
 rm -f libobtable.log
 # table api
diff --git a/src/share/ob_web_service_root_addr.cpp b/src/share/ob_web_service_root_addr.cpp
index d41a83588..d2cb8b57d 100644
--- a/src/share/ob_web_service_root_addr.cpp
+++ b/src/share/ob_web_service_root_addr.cpp
@@ -888,11 +888,11 @@ int64_t ObWebServiceRootAddr::curl_write_data(
 //        "ObRegion": "ob2.rongxuan.lc",
 //        "ObRegionId": 2,
 //        "RsList": [{
-//            "address": "10.101.67.165:16825",
+//            "address": "127.0.0.1:16825",
 //            "role": "LEADER",
 //            "sql_port": 16860
 //        }, {
-//            "address": "10.218.78.76:16827",
+//            "address": "127.0.0.2:16827",
 //            "role": "FOLLOWER",
 //            "sql_port": 16862
 //        }],
diff --git a/src/sql/monitor/ob_security_audit.h b/src/sql/monitor/ob_security_audit.h
index cdc6567ec..00009a405 100644
--- a/src/sql/monitor/ob_security_audit.h
+++ b/src/sql/monitor/ob_security_audit.h
@@ -49,7 +49,7 @@ namespace sql
 //DBID:[10] '1492669708'
 //SESSIONID:[10] '4294967295'
 //USERHOST:[23] 'OceanBase224012.sqa.bja'
-//CLIENT ADDRESS:[56] '(ADDRESS=(PROTOCOL=tcp)(HOST=10.125.224.12)(PORT=53119))'
+//CLIENT ADDRESS:[56] '(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=53119))'
 //ACTION NUMBER:[3] '100'
 class ObSecurityAuditData : public common::ObBasebLogPrint
 {
diff --git a/tools/deploy/mysql_test/t/non_reserved_keyword.test b/tools/deploy/mysql_test/t/non_reserved_keyword.test
index 7c346c563..0abdadd23 100644
--- a/tools/deploy/mysql_test/t/non_reserved_keyword.test
+++ b/tools/deploy/mysql_test/t/non_reserved_keyword.test
@@ -8,7 +8,7 @@ set @@session.explicit_defaults_for_timestamp=off;
 #
 #alter system set balance_worker_idle_sleep_seconds=33 COMMENT 'new all balance_worker_idle_sleep_seconds' SERVer_TYPE = ROOTSERVER cluster = 0;
 
-#alter system set balance_worker_idle_sleep_seconds=39 COMMENT 'new1 root balance_worker_idle_sleep_seconds' SERVer_TYPE = ROOTSERVER server_ip = '10.235.162.3' server_port = 47051;
+#alter system set balance_worker_idle_sleep_seconds=39 COMMENT 'new1 root balance_worker_idle_sleep_seconds' SERVer_TYPE = ROOTSERVER server_ip = '127.0.0.1' server_port = 47051;
 
 create table t_status(id int primary key, chunkserver char(90), mergesrver char(90), rootserver char(90), updateserver char(90), tablet_max_size int, status int);
 
diff --git a/tools/deploy/mysql_test/test_suite/pl/r/mysql/pl_dbt2_mysql.result b/tools/deploy/mysql_test/test_suite/pl/r/mysql/pl_dbt2_mysql.result
index ada97d6e9..abcc389c9 100644
--- a/tools/deploy/mysql_test/test_suite/pl/r/mysql/pl_dbt2_mysql.result
+++ b/tools/deploy/mysql_test/test_suite/pl/r/mysql/pl_dbt2_mysql.result
@@ -1183,9 +1183,9 @@ END//
 
 ## LOAD DATA
 ## ./src/datagen -w 1 -m 1 -c 1 -i 1 -o 1 -n 1 -d /home/linlin.xll/work/dbt2-0.37.50.15/data/ --mysql
-## sh mysql_load_db.sh --mysql-path /usr/bin/mysql --host 10.244.4.65 --local --path /home/linlin.xll/data/
-## sh mysql_load_sp.sh --client-path /usr/bin/ --host 10.244.4.65
-## sh run_mysql.sh --connections 1 --time 10 --warehouses 1 --host 10.244.4.65 --lib-client-path /usr/bin/mysql --verbose --terminals 1
+## sh mysql_load_db.sh --mysql-path /usr/bin/mysql --host 127.0.0.1 --local --path /home/linlin.xll/data/
+## sh mysql_load_sp.sh --client-path /usr/bin/ --host 127.0.0.1
+## sh run_mysql.sh --connections 1 --time 10 --warehouses 1 --host 127.0.0.1 --lib-client-path /usr/bin/mysql --verbose --terminals 1
 insert into customer values(1,1,1,"4W+?M?/aG","OE","BARBARBAR","?VJ;t+P??m5v2?.=?T","%N#RO?|??;[_??~!Y?HP","?[S!JV58?#;+$cP?=d","tw",547411111,3078688431492068,"2018-09-13 15:23:42","GC",50000.00,0.0012,-10.00,10.00,1,0,"?&s?Jf4\\>?oCj'n?HR`i]c?uDH&-w?4??}{39?mL?2mC712Tao??1?oJ)kLvP^_:91BO??qs?<??J?R?_Jze+??4?7?-r=D?K\\$;Fs?8?l5$\\\\??|RT?f??CKlN??gp&?j7=4?J?ZT???h{h?-CTA0liy?YUU?YS_mep[?S?79u!vF`cP??o?W.\\De?vY='??b[1M??a?dYn??/.l?rPF}?g8^<op9ZNx?U?mDQe??1cs5f6#6[??2??m?c<+?_y??jO4???v?H???R#??8~??{]?<v?-4]??$*#???f~/{~?*w???b{|36^D?BO?t3{n<}^!k??ws[es'I\\??-c?9?2?7Vy?_RTp-?pn?M;P}~???Sjr^*`t?gb4?9?P`C?k(k/}?G+i?!B?S?d???X?_??P%x}d?x$?91r$UsdNs{8?Z");
 insert into customer values(1,2,1,"?9a.???t","OE","BARBARBAR","?B?P0cJ?rXdt?-","&u?4n6{DE;H0.AyG-","2S?sz?C1R??\\??/t?r","Km",584311111,1380979932437122,"2018-09-13 15:23:42", "GC", 50000.00, 0.4292, -10.00, 10.00, 1, 0, "C?|?df?Bu?#?r1J>F*t#[???m?7sX7|p*Nne?d|\\X}T'?tC?t??-???Ox'?&4zt4?9v?rQ?'#q.?CF??1???x?@G?5K???&?*sk{??x?N{~f?_P%7<???#(?6Iu?<zv<K7?B?c2@<?{1B)-N;?1:?/?-Ne?_5nx]?ctl???-gZ<?YF3r49?!=x-h3%$Eis?B4I?-*j7o?HKYcS(la?l|Uw:fr5?9?^P??9????I?;r/{!5Fb??4D\\C?#Un30)`??w?fM|?*?\\7eUA??0f?R?6/?iz?nyW`[#??O??Wz3d>]z?G?O:0EM<+??*X[W??Y)???V2pfk??Dm=??L/4v@=X?=?[rpD(w??eM?+?\\??}O?|GB?P??kC??%FMs_SAV4??$?fVoB1?8?8WXfCC&c6?_Q-'?]FBg??a?\\?Vt!H?z");
 insert into customer values(1,3,1,"?0?WH??\\|L??", "OE", "BARBARBAR", "n9m?}j|<J.", "u?%?_}Vs?L'(G?Z??2|f", "?1Znq4??7?k??\\", "KN", 870511111, 1030045424999498, "2018-09-13 15:23:42", "GC", 50000.00, 0.4976, -10.00, 10.00, 1, 0, "?k%?!??)?z8<atU[AG?a)^APq?Tr?84nx8dp?Hx????WWK?vg~5o:L??K>H@TZ??gFp\\kFAi(7?]W?(?_<`o]SE?fk???}?_?]?ax/?v;?1ol0a?A?n{G?^?QOxA?e}??lOmpMA?6HNxM?wk?CD%(w?P$Un#?B???>HQ`_0s?\\I&F?o$6??5]?b_7.Y$EH?%c$U?aZi;???8??2?q0?-?aa?d???5m?up5k/e3HV?dcqFsV?xU?X?VMNC;*V???T?b`Xr}?`@E&c?[Mc?:?wmD??T!18?'aug?*/r?l?/pH?(kZ??IaEbY'?Q/?14Y|pN?|?fF?j??Y?i?tI03kpaiZ?mY?v?oD3J?/?9?N????MkSkq[5??sv~>$r???3?^%?B4?m!_G???*RWd\\k[-70H9?/??7?H:?gC_)D?N??+?)`]\\??f5??D");
diff --git a/tools/deploy/mysql_test/test_suite/pl/t/pl_dbt2_mysql.test b/tools/deploy/mysql_test/test_suite/pl/t/pl_dbt2_mysql.test
index 2162bdc2c..ac922e6d4 100644
--- a/tools/deploy/mysql_test/test_suite/pl/t/pl_dbt2_mysql.test
+++ b/tools/deploy/mysql_test/test_suite/pl/t/pl_dbt2_mysql.test
@@ -1204,9 +1204,9 @@ delimiter ;//
 
 ## LOAD DATA
 ## ./src/datagen -w 1 -m 1 -c 1 -i 1 -o 1 -n 1 -d /home/linlin.xll/work/dbt2-0.37.50.15/data/ --mysql
-## sh mysql_load_db.sh --mysql-path /usr/bin/mysql --host 10.244.4.65 --local --path /home/linlin.xll/data/
-## sh mysql_load_sp.sh --client-path /usr/bin/ --host 10.244.4.65
-## sh run_mysql.sh --connections 1 --time 10 --warehouses 1 --host 10.244.4.65 --lib-client-path /usr/bin/mysql --verbose --terminals 1
+## sh mysql_load_db.sh --mysql-path /usr/bin/mysql --host 127.0.0.1 --local --path /home/linlin.xll/data/
+## sh mysql_load_sp.sh --client-path /usr/bin/ --host 127.0.0.1
+## sh run_mysql.sh --connections 1 --time 10 --warehouses 1 --host 127.0.0.1 --lib-client-path /usr/bin/mysql --verbose --terminals 1
 
 insert into customer values(1,1,1,"4W+?M?/aG","OE","BARBARBAR","?VJ;t+P??m5v2?.=?T","%N#RO?|??;[_??~!Y?HP","?[S!JV58?#;+$cP?=d","tw",547411111,3078688431492068,"2018-09-13 15:23:42","GC",50000.00,0.0012,-10.00,10.00,1,0,"?&s?Jf4\\>?oCj'n?HR`i]c?uDH&-w?4??}{39?mL?2mC712Tao??1?oJ)kLvP^_:91BO??qs?<??J?R?_Jze+??4?7?-r=D?K\\$;Fs?8?l5$\\\\??|RT?f??CKlN??gp&?j7=4?J?ZT???h{h?-CTA0liy?YUU?YS_mep[?S?79u!vF`cP??o?W.\\De?vY='??b[1M??a?dYn??/.l?rPF}?g8^<op9ZNx?U?mDQe??1cs5f6#6[??2??m?c<+?_y??jO4???v?H???R#??8~??{]?<v?-4]??$*#???f~/{~?*w???b{|36^D?BO?t3{n<}^!k??ws[es'I\\??-c?9?2?7Vy?_RTp-?pn?M;P}~???Sjr^*`t?gb4?9?P`C?k(k/}?G+i?!B?S?d???X?_??P%x}d?x$?91r$UsdNs{8?Z");
 insert into customer values(1,2,1,"?9a.???t","OE","BARBARBAR","?B?P0cJ?rXdt?-","&u?4n6{DE;H0.AyG-","2S?sz?C1R??\\??/t?r","Km",584311111,1380979932437122,"2018-09-13 15:23:42", "GC", 50000.00, 0.4292, -10.00, 10.00, 1, 0, "C?|?df?Bu?#?r1J>F*t#[???m?7sX7|p*Nne?d|\\X}T'?tC?t??-???Ox'?&4zt4?9v?rQ?'#q.?CF??1???x?@G?5K???&?*sk{??x?N{~f?_P%7<???#(?6Iu?<zv<K7?B?c2@<?{1B)-N;?1:?/?-Ne?_5nx]?ctl???-gZ<?YF3r49?!=x-h3%$Eis?B4I?-*j7o?HKYcS(la?l|Uw:fr5?9?^P??9????I?;r/{!5Fb??4D\\C?#Un30)`??w?fM|?*?\\7eUA??0f?R?6/?iz?nyW`[#??O??Wz3d>]z?G?O:0EM<+??*X[W??Y)???V2pfk??Dm=??L/4v@=X?=?[rpD(w??eM?+?\\??}O?|GB?P??kC??%FMs_SAV4??$?fVoB1?8?8WXfCC&c6?_Q-'?]FBg??a?\\?Vt!H?z");
diff --git a/tools/deploy/mysql_test/test_suite/subquery/t/rqg_subquery_materialization_oop.test b/tools/deploy/mysql_test/test_suite/subquery/t/rqg_subquery_materialization_oop.test
index 970c131a6..faffb1492 100644
--- a/tools/deploy/mysql_test/test_suite/subquery/t/rqg_subquery_materialization_oop.test
+++ b/tools/deploy/mysql_test/test_suite/subquery/t/rqg_subquery_materialization_oop.test
@@ -6,8 +6,8 @@
 --disable_abort_on_error
 # 15:10:53 Starting 
 # 15:10:53  gentest.pl \ 
-# 15:10:53  --dsn1=dbi:mysql:host=10.244.4.66:port=44503:user=admin:password=admin:database=test \ 
-# 15:10:53  --dsn2=dbi:mysql:host=10.244.4.65:port=3308:user=root:password=:database=test_obrqg_10 \ 
+# 15:10:53  --dsn1=dbi:mysql:host=127.0.0.2:port=44503:user=admin:password=admin:database=test \ 
+# 15:10:53  --dsn2=dbi:mysql:host=127.0.0.1:port=3308:user=root:password=:database=test_obrqg_10 \ 
 # 15:10:53  --gendata=conf/ob_subquery_materialization.mysql.zz \ 
 # 15:10:53  --grammar=conf/ob_subquery_materialization.mysql.yy \ 
 # 15:10:53  --threads=1 \ 
@@ -16,7 +16,7 @@
 # 15:10:53  --myprint
 # 15:10:53 -------------------------------
 # 15:10:53 Configuration
-# 15:10:53   dsn => ['dbi:mysql:host=10.244.4.66:port=44503:user=admin:password=admin:database=test', 'dbi:mysql:host=10.244.4.65:port=3308:user=root:password=:database=test_obrqg_10']
+# 15:10:53   dsn => ['dbi:mysql:host=127.0.0.2:port=44503:user=admin:password=admin:database=test', 'dbi:mysql:host=127.0.0.1:port=3308:user=root:password=:database=test_obrqg_10']
 # 15:10:53   duration => 3600
 # 15:10:53   gendata => conf/ob_subquery_materialization.mysql.zz
 # 15:10:53   grammar => conf/ob_subquery_materialization.mysql.yy
@@ -105,9 +105,9 @@ COMMIT;
 # 15:10:59 Starting 1 processes, 8000 queries each, duration 3600 seconds.
 # 15:10:59 GenTest::ErrorFilter(114237) started
 # 15:10:59 Default schema: test
-# 15:10:59 Caching metadata for dbi:mysql:host=10.244.4.66:port=44503:user=admin:password=admin:database=test
+# 15:10:59 Caching metadata for dbi:mysql:host=127.0.0.2:port=44503:user=admin:password=admin:database=test
 # 15:10:59 Default schema: test
-# 15:10:59 Caching metadata for dbi:mysql:host=10.244.4.65:port=3308:user=root:password=:database=test_obrqg_10
+# 15:10:59 Caching metadata for dbi:mysql:host=127.0.0.1:port=3308:user=root:password=:database=test_obrqg_10
 # 15:10:59 Started periodic reporting process...
 #SELECT  DISTINCT MIN(DISTINCT OUTR . `col_varchar_20` ) AS X FROM B AS OUTR2 LEFT JOIN B AS OUTR ON ( OUTR2 . `col_varchar_10` >= OUTR . `col_varchar_10` ) WHERE OUTR . `pk` IN ( #SELECT  DISTINCT INNR . `col_int` AS Y FROM CC AS INNR WHERE INNR . `col_int_key` > INNR . `pk` AND OUTR . `col_datetime` BETWEEN '2003-01-15' AND '2005-04-19'  ) OR ( OUTR . `col_date` <= '2000-08-04' AND NOT OUTR . `pk` IS NOT NULL )  ORDER BY OUTR . `col_datetime` , OUTR . `pk`;
 #SELECT  DISTINCT MAX(DISTINCT OUTR . `pk` ) AS X FROM B AS OUTR WHERE ( OUTR . `pk` , OUTR . `col_int_key` ) IN ( #SELECT   INNR . `pk` AS X , INNR . `pk` AS Y FROM BB AS INNR WHERE INNR . `col_datetime` < INNR . `col_date` AND INNR . `col_datetime_key` BETWEEN '2007-12-03' AND '2002-10-12' ORDER BY INNR . `col_date` ) AND ( OUTR . `col_date_key` BETWEEN '2002-04-08' AND '2002-09-07' AND OUTR . `col_int_key` < 2 ) HAVING X > NULL ORDER BY OUTR . `col_varchar_20` , OUTR . `pk`;
diff --git a/tools/deploy/mysql_test/test_suite/subquery/t/rqg_subquery_semijoin_mismatch.test b/tools/deploy/mysql_test/test_suite/subquery/t/rqg_subquery_semijoin_mismatch.test
index 612ed5d94..59776e6da 100644
--- a/tools/deploy/mysql_test/test_suite/subquery/t/rqg_subquery_semijoin_mismatch.test
+++ b/tools/deploy/mysql_test/test_suite/subquery/t/rqg_subquery_semijoin_mismatch.test
@@ -8,7 +8,7 @@
 # 03:54:00 Starting 
 # 03:54:00  gentest.pl \ 
 # 03:54:00  --dsn1=dbi:mysql:host=10.244.4.66:port=44503:user=admin:password=admin:database=test \ 
-# 03:54:00  --dsn2=dbi:mysql:host=10.244.4.65:port=3308:user=root:password=:database=test_obrqg_10 \ 
+# 03:54:00  --dsn2=dbi:mysql:host=127.0.0.1:port=3308:user=root:password=:database=test_obrqg_10 \ 
 # 03:54:00  --gendata=conf/ob_subquery_semijoin_nested.mysql.zz \ 
 # 03:54:00  --grammar=conf/ob_subquery_semijoin_nested.mysql.yy \ 
 # 03:54:00  --threads=1 \ 
@@ -17,7 +17,7 @@
 # 03:54:00  --myprint
 # 03:54:00 -------------------------------
 # 03:54:00 Configuration
-# 03:54:00   dsn => ['dbi:mysql:host=10.244.4.66:port=44503:user=admin:password=admin:database=test', 'dbi:mysql:host=10.244.4.65:port=3308:user=root:password=:database=test_obrqg_10']
+# 03:54:00   dsn => ['dbi:mysql:host=10.244.4.66:port=44503:user=admin:password=admin:database=test', 'dbi:mysql:host=127.0.0.1:port=3308:user=root:password=:database=test_obrqg_10']
 # 03:54:00   duration => 3600
 # 03:54:00   gendata => conf/ob_subquery_semijoin_nested.mysql.zz
 # 03:54:00   grammar => conf/ob_subquery_semijoin_nested.mysql.yy
@@ -1968,7 +1968,7 @@ COMMIT;
 # 03:54:07 Default schema: test
 # 03:54:07 Caching metadata for dbi:mysql:host=10.244.4.66:port=44503:user=admin:password=admin:database=test
 # 03:54:07 Default schema: test
-# 03:54:07 Caching metadata for dbi:mysql:host=10.244.4.65:port=3308:user=root:password=:database=test_obrqg_10
+# 03:54:07 Caching metadata for dbi:mysql:host=127.0.0.1:port=3308:user=root:password=:database=test_obrqg_10
 # 03:54:07 Started periodic reporting process...
 #SELECT DISTINCT GRANDPARENT1 . col_date AS G1 FROM A AS GRANDPARENT1 LEFT JOIN P AS GRANDPARENT2 USING ( col_date ) WHERE ( GRANDPARENT1 . `col_varchar_10` , GRANDPARENT1 . `col_varchar_20_key` ) IN ( #SELECT DISTINCT PARENT1 . `col_varchar_20` AS P1 , PARENT1 . `col_varchar_20` AS P2 FROM G AS PARENT1 LEFT JOIN H AS PARENT2 ON ( PARENT1 . `col_int` >= PARENT2 . `col_int_key` )   ) AND GRANDPARENT1 . col_date IS NULL  ORDER BY GRANDPARENT1 . col_date LIMIT 9;
 #SELECT  GRANDPARENT1 . col_date AS G1 FROM AA AS GRANDPARENT1 WHERE ( GRANDPARENT1 . `col_varchar_10_key` , GRANDPARENT1 . `col_varchar_10` ) IN ( #SELECT  PARENT1 . `col_varchar_20_key` AS P1 , PARENT1 . `col_varchar_20_key` AS P2 FROM G AS PARENT1   ) AND ( ( ( ( GRANDPARENT1 . `col_datetime_key` BETWEEN '2005-02-25' AND '2005-02-04' OR NOT GRANDPARENT1 . `col_int_key` = 4 ) OR NOT GRANDPARENT1 . `col_varchar_10` <= 'w' ) OR GRANDPARENT1 . `col_varchar_10_key` <= 'u' ) AND GRANDPARENT1 . `col_datetime` BETWEEN '2007-03-27' AND '2003-06-17' )  ORDER BY GRANDPARENT1 . col_date ;
diff --git a/tools/deploy/mysql_test/test_suite/subquery/t/rqg_subquery_semijoin_nested_timeout.test b/tools/deploy/mysql_test/test_suite/subquery/t/rqg_subquery_semijoin_nested_timeout.test
index 9906b502c..ce54cdc15 100644
--- a/tools/deploy/mysql_test/test_suite/subquery/t/rqg_subquery_semijoin_nested_timeout.test
+++ b/tools/deploy/mysql_test/test_suite/subquery/t/rqg_subquery_semijoin_nested_timeout.test
@@ -5,8 +5,8 @@
 --disable_warnings
 # 15:11:56 Starting
 # 15:11:56  gentest.pl \
-# 15:11:56  --dsn1=dbi:mysql:host=10.244.4.66:port=44503:user=admin:password=admin:database=test \
-# 15:11:56  --dsn2=dbi:mysql:host=10.244.4.65:port=3308:user=root:password=:database=test_obrqg_10 \
+# 15:11:56  --dsn1=dbi:mysql:host=127.0.0.2:port=44503:user=admin:password=admin:database=test \
+# 15:11:56  --dsn2=dbi:mysql:host=127.0.0.1:port=3308:user=root:password=:database=test_obrqg_10 \
 # 15:11:56  --gendata=conf/ob_subquery_semijoin_nested.mysql.zz \
 # 15:11:56  --grammar=conf/ob_subquery_semijoin_nested.mysql.yy \
 # 15:11:56  --threads=1 \
@@ -15,7 +15,7 @@
 # 15:11:56  --myprint
 # 15:11:56 -------------------------------
 # 15:11:56 Configuration
-# 15:11:56   dsn => ['dbi:mysql:host=10.244.4.66:port=44503:user=admin:password=admin:database=test', 'dbi:mysql:host=10.244.4.65:port=3308:user=root:password=:database=test_obrqg_10']
+# 15:11:56   dsn => ['dbi:mysql:host=127.0.0.2:port=44503:user=admin:password=admin:database=test', 'dbi:mysql:host=127.0.0.1:port=3308:user=root:password=:database=test_obrqg_10']
 # 15:11:56   duration => 3600
 # 15:11:56   gendata => conf/ob_subquery_semijoin_nested.mysql.zz
 # 15:11:56   grammar => conf/ob_subquery_semijoin_nested.mysql.yy
@@ -145,9 +145,9 @@ iNSERT INTO KK VALUES  ('2001-05-23 15:49:48', 1, 'ssotnefics', 'cssotnefi', NUL
 # 15:12:02 Starting 1 processes, 8000 queries each, duration 3600 seconds.
 # 15:12:02 GenTest::ErrorFilter(114401) started
 # 15:12:02 Default schema: test
-# 15:12:02 Caching metadata for dbi:mysql:host=10.244.4.66:port=44503:user=admin:password=admin:database=test
+# 15:12:02 Caching metadata for dbi:mysql:host=127.0.0.2:port=44503:user=admin:password=admin:database=test
 # 15:12:02 Default schema: test
-# 15:12:02 Caching metadata for dbi:mysql:host=10.244.4.65:port=3308:user=root:password=:database=test_obrqg_10
+# 15:12:02 Caching metadata for dbi:mysql:host=127.0.0.1:port=3308:user=root:password=:database=test_obrqg_10
 # 15:12:02 Started periodic reporting process...
 #SELECT DISTINCT GRANDPARENT1 . pk AS G1 FROM C AS GRANDPARENT1 WHERE GRANDPARENT1 . `col_varchar_20` IN ( #SELECT DISTINCT PARENT1 . `col_varchar_10_key` AS P1 FROM W AS PARENT1 LEFT JOIN GG AS PARENT2 ON ( PARENT1 . `pk` = PARENT2 . `pk` ) WHERE GRANDPARENT1 . `pk` IN ( #SELECT DISTINCT CHILD1 . `col_int_key` AS C1 FROM CC AS CHILD1 LEFT JOIN M AS CHILD2 ON ( CHILD1 . `col_varchar_20_key` > CHILD2 . `col_varchar_10_key` ) WHERE ( ( CHILD1 . pk IS NOT NULL ) OR NOT ( GRANDPARENT1 . `col_int` <> 6 ) ) ORDER BY CHILD1 . pk ) AND ( GRANDPARENT1 . pk IS UNKNOWN ) ORDER BY PARENT1 . pk ) AND GRANDPARENT1 . pk IS NOT NULL GROUP BY GRANDPARENT1 . pk HAVING G1 <= NULL ORDER BY GRANDPARENT1 . pk LIMIT 9;
 #SELECT  GRANDPARENT1 . col_date_key AS G1 FROM D AS GRANDPARENT1 WHERE GRANDPARENT1 . `col_varchar_10` IN ( #SELECT  PARENT1 . `col_varchar_20` AS P1 FROM KK AS PARENT1   ) AND ( GRANDPARENT1 . `col_varchar_10_key` > 'v' OR NOT GRANDPARENT1 . col_date_key IS NULL ) ;
diff --git a/unittest/share/test_inner_config_root_addr.cpp b/unittest/share/test_inner_config_root_addr.cpp
index 3f134fca7..509678451 100644
--- a/unittest/share/test_inner_config_root_addr.cpp
+++ b/unittest/share/test_inner_config_root_addr.cpp
@@ -58,11 +58,11 @@ TEST_F(TestInnerConfigRootAddr, fetch)
 
   config_.rootservice_list.set_value("0.0.0.0");
   ASSERT_NE(OB_SUCCESS, ic_.fetch(rs_list, readonly_rs_list));
-  config_.rootservice_list.set_value("10.125.224.12:888");
+  config_.rootservice_list.set_value("127.127.0.12:888");
   ASSERT_EQ(OB_SUCCESS, ic_.fetch(rs_list, readonly_rs_list));
-  config_.rootservice_list.set_value("10.125.224.12:888:");
+  config_.rootservice_list.set_value("127.127.0.12:888:");
   ASSERT_EQ(OB_SUCCESS, ic_.fetch(rs_list, readonly_rs_list));
-  config_.rootservice_list.set_value("10.125.224.12:888:999");
+  config_.rootservice_list.set_value("127.127.0.12:888:999");
   ASSERT_EQ(OB_SUCCESS, ic_.fetch(rs_list, readonly_rs_list));
 
   config_.rootservice_list.set_value("127.0.0.1:555:666;127.0.0.2:777:888");
diff --git a/unittest/share/test_web_service_root_addr2.cpp b/unittest/share/test_web_service_root_addr2.cpp
index 3642a332d..8e66ba365 100644
--- a/unittest/share/test_web_service_root_addr2.cpp
+++ b/unittest/share/test_web_service_root_addr2.cpp
@@ -92,12 +92,12 @@ TEST_F(TestWebServiceRootAddr, fetch_version2)
   ObSEArray<ObRootAddr, 16> readonly_rs_list;
 
   //No master
-  set_response_json("[{\"ObRegion\":\"ob2.rongxuan.lc\",\"ObRegionId\":2,\"Type\":\"SLAVE\",\"RsList\":[{\"address\":\"10.101.67.165:16825\",\"role\":\"LEADER\",\"sql_port\":16860},{\"address\":\"10.218.253.100:16826\",\"role\":\"FOLLOWER\",\"sql_port\":16861}],\"ReadonlyRsList\":[]}]");
+  set_response_json("[{\"ObRegion\":\"ob2.rongxuan.lc\",\"ObRegionId\":2,\"Type\":\"SLAVE\",\"RsList\":[{\"address\":\"127.0.0.1:16825\",\"role\":\"LEADER\",\"sql_port\":16860},{\"address\":\"127.0.0.2:16826\",\"role\":\"FOLLOWER\",\"sql_port\":16861}],\"ReadonlyRsList\":[]}]");
   int ret = ws_.fetch_master_cluster_info(&(initer_.get_config()), rs_list, readonly_rs_list);
   ASSERT_EQ(OB_ENTRY_NOT_EXIST, ret);
 
   //Have master
-  set_response_json("[{\"ObRegion\":\"ob2.rongxuan.lc\",\"ObRegionId\":2,\"Type\":\"MASTER\",\"RsList\":[{\"address\":\"10.101.67.165:16825\",\"role\":\"LEADER\",\"sql_port\":16860}],\"ReadonlyRsList\":[]}]");
+  set_response_json("[{\"ObRegion\":\"ob2.rongxuan.lc\",\"ObRegionId\":2,\"Type\":\"MASTER\",\"RsList\":[{\"address\":\"127.0.0.1:16825\",\"role\":\"LEADER\",\"sql_port\":16860}],\"ReadonlyRsList\":[]}]");
   ret = ws_.fetch_master_cluster_info(&(initer_.get_config()), rs_list, readonly_rs_list);
   ASSERT_EQ(OB_SUCCESS, ret);
   ASSERT_EQ(rs_list.count(), 1);
@@ -105,9 +105,9 @@ TEST_F(TestWebServiceRootAddr, fetch_version2)
   ASSERT_EQ(16860, rs_list.at(0).sql_port_);
 
   //Active and standby two clusters
-  set_response_json("[{\"ObRegion\":\"ob2.rongxuan.lc\",\"ObRegionId\":2,\"Type\":\"SLAVE\",\"RsList\":[{\"address\":\"10.101.67.165:16825\",\"role\":\"LEADER\",\"sql_port\":16860},{\"address\":\"10.218.253.100:16826\",\"role\":\"FOLLOWER\",\"sql_port\":16861}],\"ReadonlyRsList\":[]}"
+  set_response_json("[{\"ObRegion\":\"ob2.rongxuan.lc\",\"ObRegionId\":2,\"Type\":\"SLAVE\",\"RsList\":[{\"address\":\"127.0.0.1:16825\",\"role\":\"LEADER\",\"sql_port\":16860},{\"address\":\"127.0.0.2:16826\",\"role\":\"FOLLOWER\",\"sql_port\":16861}],\"ReadonlyRsList\":[]}"
                     ",{\"ObRegion\":\"ob2.rongxuan.lc\",\"ObRegionId\":3,\"Type\":\"MASTER\",\"RsList\":[{\"address\":\"10.101.67.160:16820\",\"role\":\"LEADER\",\"sql_port\":16870},"
-                    "{\"address\":\"10.218.253.170:16825\",\"role\":\"FOLLOWER\",\"sql_port\":16865}],\"ReadonlyRsList\":[]}]");
+                    "{\"address\":\"127.0.0.3:16825\",\"role\":\"FOLLOWER\",\"sql_port\":16865}],\"ReadonlyRsList\":[]}]");
   ret = ws_.fetch_master_cluster_info(&(initer_.get_config()), rs_list, readonly_rs_list);
   ASSERT_EQ(OB_SUCCESS, ret);
   ASSERT_EQ(rs_list.count(), 2);
diff --git a/unittest/sql/code_generator/test_code_generator.result b/unittest/sql/code_generator/test_code_generator.result
index 725f80f99..b1e732cae 100644
--- a/unittest/sql/code_generator/test_code_generator.result
+++ b/unittest/sql/code_generator/test_code_generator.result
@@ -3153,7 +3153,7 @@
     ]
   }
 }
-[9] UPDATE oceanbase.__all_root_table SET sql_port = 51997, zone = 'test', partition_cnt = 1, role = 0, row_count = 0, data_size = 0, data_version = 1, data_checksum = 0, row_checksum = 0, column_checksum = '' WHERE tenant_id = 1 AND table_id = 2 AND partition_id = 0 AND svr_ip = '10.232.36.175' AND svr_port = 51951;
+[9] UPDATE oceanbase.__all_root_table SET sql_port = 51997, zone = 'test', partition_cnt = 1, role = 0, row_count = 0, data_size = 0, data_version = 1, data_checksum = 0, row_checksum = 0, column_checksum = '' WHERE tenant_id = 1 AND table_id = 2 AND partition_id = 0 AND svr_ip = '127.0.0.1' AND svr_port = 51951;
 {
   "param_num":11,
   "table_schema_version": [
@@ -3668,11 +3668,11 @@
                                     "key_type":0,
                                     "null_safe":false,
                                     "start_value": {
-                                      "VARCHAR":"10.232.36.175",
+                                      "VARCHAR":"127.0.0.1",
                                       "collation":"utf8mb4_general_ci"
                                     },
                                     "end_value": {
-                                      "VARCHAR":"10.232.36.175",
+                                      "VARCHAR":"127.0.0.1",
                                       "collation":"utf8mb4_general_ci"
                                     },
                                     "include_start":true,
diff --git a/unittest/sql/code_generator/test_code_generator.test b/unittest/sql/code_generator/test_code_generator.test
index 5f84adc33..b0f3b0987 100644
--- a/unittest/sql/code_generator/test_code_generator.test
+++ b/unittest/sql/code_generator/test_code_generator.test
@@ -6,7 +6,7 @@ delete from t1 where c1 > 5
 select * from t1,t2 where t1.c1+1= t2.c1
 select t1.c1, t2.c2, t2.c3 from t1,t2 where t1.c1 > t2.c1 + t2.c2
 update t1 vt1 set c2=c1+1 where c1 > 1 order by c1 desc limit 0, 10
-UPDATE oceanbase.__all_root_table SET sql_port = 51997, zone = 'test', partition_cnt = 1, role = 0, row_count = 0, data_size = 0, data_version = 1, data_checksum = 0, row_checksum = 0, column_checksum = '' WHERE tenant_id = 1 AND table_id = 2 AND partition_id = 0 AND svr_ip = '10.232.36.175' AND svr_port = 51951;
+UPDATE oceanbase.__all_root_table SET sql_port = 51997, zone = 'test', partition_cnt = 1, role = 0, row_count = 0, data_size = 0, data_version = 1, data_checksum = 0, row_checksum = 0, column_checksum = '' WHERE tenant_id = 1 AND table_id = 2 AND partition_id = 0 AND svr_ip = '127.0.0.1' AND svr_port = 51951;
 select distinct c2, c1+c2 from t1;
 select * from t1 union select * from t2;
 select * from t1 union all select * from t2;
diff --git a/unittest/sql/optimizer/test_optimizer_dml.sql b/unittest/sql/optimizer/test_optimizer_dml.sql
index e40d0ab54..ced1d1240 100644
--- a/unittest/sql/optimizer/test_optimizer_dml.sql
+++ b/unittest/sql/optimizer/test_optimizer_dml.sql
@@ -64,7 +64,7 @@ update t1 set c1 = 1 + 1 where c1 = 2;
 
 #case 17 partition by key
 #update t5 set c1 = 1 where c2 = 3 and c3 = 4;
-#UPDATE __all_root_table SET sql_port = 51997, zone = 'test', partition_cnt = 1, role = 0, row_count = 0, data_size = 0, data_version = 1, data_checksum = 0, row_checksum = 0, column_checksum = '' WHERE tenant_id = 1 AND table_id = 2 AND partition_id = 0 AND ip = '10.232.36.175' AND port = 51951;
+#UPDATE __all_root_table SET sql_port = 51997, zone = 'test', partition_cnt = 1, role = 0, row_count = 0, data_size = 0, data_version = 1, data_checksum = 0, row_checksum = 0, column_checksum = '' WHERE tenant_id = 1 AND table_id = 2 AND partition_id = 0 AND ip = '127.0.0.1' AND port = 51951;
 
 #test for partition selection in dml_stmt
 insert into t1 partition (p3, p0) values(3, 2);