diff --git a/ci/scripts/e2e-paid-source-test.sh b/ci/scripts/e2e-paid-source-test.sh
index 6239569ef3bb9..e0fc1d19f2319 100755
--- a/ci/scripts/e2e-paid-source-test.sh
+++ b/ci/scripts/e2e-paid-source-test.sh
@@ -56,7 +56,7 @@ risedev slt './e2e_test/source/cdc_paid/cdc.validate.sql_server.slt'
 
 echo "--- Cdc share source test"
 # cdc share stream test cases
-export MSSQL_HOST=db MSSQL_PORT=1433 MSSQL_USER=sa MSSQL_PASSWORD=YourPassword123 MSSQL_DATABASE=mydb
+export MSSQL_HOST=sqlserver-server MSSQL_PORT=1433 MSSQL_USER=sa MSSQL_PASSWORD=YourPassword123 MSSQL_DATABASE=mydb
 risedev slt './e2e_test/source/cdc_paid/cdc.share_stream.slt'
 
 echo "--- Sql Server load and check"
@@ -71,7 +71,7 @@ echo "> cluster killed "
 
 
 # insert new rows
-export MSSQL_HOST=db MSSQL_PORT=1433 MSSQL_USER=sa MSSQL_PASSWORD=YourPassword123 MSSQL_DATABASE=mydb
+export MSSQL_HOST=sqlserver-server MSSQL_PORT=1433 MSSQL_USER=sa MSSQL_PASSWORD=YourPassword123 MSSQL_DATABASE=mydb
 sqlcmd -S $MSSQL_HOST -U $MSSQL_USER -P $MSSQL_PASSWORD -d $MSSQL_DATABASE -i ./e2e_test/source/cdc_paid/sql_server_cdc_insert.sql
 echo "> inserted new rows into sql server"
 
diff --git a/e2e_test/source/cdc_paid/cdc.load.slt b/e2e_test/source/cdc_paid/cdc.load.slt
index f3a6dcc41c711..24f33cc0b40de 100644
--- a/e2e_test/source/cdc_paid/cdc.load.slt
+++ b/e2e_test/source/cdc_paid/cdc.load.slt
@@ -13,7 +13,7 @@ CREATE TABLE orders (
   order_status SMALLINT
 ) WITH (
   connector = 'sqlserver-cdc',
-  hostname = '${MSSQL_HOST:localhost}',
+  hostname = '${MSSQL_HOST:sqlserver-server}',
   port = '${MSSQL_PORT:1433}',
   username = '${MSSQL_USER:$USER}',
   password = '${MSSQL_PASSWORD}',
@@ -28,7 +28,7 @@ CREATE TABLE single_type (
   PRIMARY KEY (id)
 )  WITH (
   connector = 'sqlserver-cdc',
-  hostname = '${MSSQL_HOST:localhost}',
+  hostname = '${MSSQL_HOST:sqlserver-server}',
   port = '${MSSQL_PORT:1433}',
   username = '${MSSQL_USER:$USER}',
   password = '${MSSQL_PASSWORD}',
@@ -55,7 +55,7 @@ CREATE TABLE sqlserver_all_data_types (
   c_datetimeoffset TIMESTAMPTZ
 ) WITH (
   connector = 'sqlserver-cdc',
-  hostname = '${MSSQL_HOST:localhost}',
+  hostname = '${MSSQL_HOST:sqlserver-server}',
   port = '${MSSQL_PORT:1433}',
   username = '${MSSQL_USER:$USER}',
   password = '${MSSQL_PASSWORD}',
diff --git a/e2e_test/source/cdc_paid/cdc.share_stream.slt b/e2e_test/source/cdc_paid/cdc.share_stream.slt
index f976573caabfb..672190c0491ec 100644
--- a/e2e_test/source/cdc_paid/cdc.share_stream.slt
+++ b/e2e_test/source/cdc_paid/cdc.share_stream.slt
@@ -4,7 +4,7 @@ control substitution on
 statement ok
 CREATE SOURCE mssql_source WITH (
     connector = 'sqlserver-cdc',
-    hostname = '${MSSQL_HOST:localhost}',
+    hostname = '${MSSQL_HOST:sqlserver-server}',
     port = '${MSSQL_PORT:1433}',
     username = '${MSSQL_USER:$USER}',
     password = '${MSSQL_PASSWORD}',