diff --git a/regression-test/suites/correctness_p0/table_valued_function/test_hdfs_tvf.groovy b/regression-test/suites/correctness_p0/table_valued_function/test_hdfs_tvf.groovy
index 65996cca81ffc18..d89dcadabf115c4 100644
--- a/regression-test/suites/correctness_p0/table_valued_function/test_hdfs_tvf.groovy
+++ b/regression-test/suites/correctness_p0/table_valued_function/test_hdfs_tvf.groovy
@@ -193,7 +193,7 @@ suite("test_hdfs_tvf") {
             assertTrue(result2[0][0] == 5, "Insert should update 12 rows")
             qt_insert """ select * from test_hdfs_tvf order by id; """
         } finally {
-            sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "false");"""
+            sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "true");"""
         }
     }
 }
diff --git a/regression-test/suites/external_catalog_p0/hive/test_hive_orc.groovy b/regression-test/suites/external_catalog_p0/hive/test_hive_orc.groovy
index 7e1f8b78fde8bcf..90398e293a5cfbd 100644
--- a/regression-test/suites/external_catalog_p0/hive/test_hive_orc.groovy
+++ b/regression-test/suites/external_catalog_p0/hive/test_hive_orc.groovy
@@ -66,29 +66,6 @@ suite("test_hive_orc", "all_types") {
         qt_only_partition_col """select count(p1_col), count(p2_col) from orc_all_types;"""
     }
 
-    def set_be_config = { flag ->
-        String[][] backends = sql """ show backends; """
-        assertTrue(backends.size() > 0)
-        for (String[] backend in backends) {
-            StringBuilder setConfigCommand = new StringBuilder();
-            setConfigCommand.append("curl -X POST http://")
-            setConfigCommand.append(backend[2])
-            setConfigCommand.append(":")
-            setConfigCommand.append(backend[5])
-            setConfigCommand.append("/api/update_config?")
-            String command1 = setConfigCommand.toString() + "enable_new_load_scan_node=$flag"
-            logger.info(command1)
-            String command2 = setConfigCommand.toString() + "enable_new_file_scanner=$flag"
-            logger.info(command2)
-            def process1 = command1.execute()
-            int code = process1.waitFor()
-            assertEquals(code, 0)
-            def process2 = command2.execute()
-            code = process1.waitFor()
-            assertEquals(code, 0)
-        }
-    }
-
     String enabled = context.config.otherConfigs.get("enableHiveTest")
     if (enabled != null && enabled.equalsIgnoreCase("true")) {
         try {
@@ -96,7 +73,6 @@ suite("test_hive_orc", "all_types") {
             String catalog_name = "hive_test_orc"
             sql """admin set frontend config ("enable_multi_catalog" = "true")"""
             sql """admin set frontend config ("enable_new_load_scan_node" = "true");"""
-            set_be_config.call('true')
             sql """drop catalog if exists ${catalog_name}"""
             sql """
             create catalog if not exists ${catalog_name} properties (
@@ -114,8 +90,7 @@ suite("test_hive_orc", "all_types") {
             only_partition_col()
 
         } finally {
-            sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "false");"""
-            set_be_config.call('false')
+            sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "true");"""
         }
     }
 }
diff --git a/regression-test/suites/external_catalog_p0/hive/test_hive_other.groovy b/regression-test/suites/external_catalog_p0/hive/test_hive_other.groovy
index 82b6bb1cfc8480c..0c207c3754d8b84 100644
--- a/regression-test/suites/external_catalog_p0/hive/test_hive_other.groovy
+++ b/regression-test/suites/external_catalog_p0/hive/test_hive_other.groovy
@@ -50,35 +50,10 @@ suite("test_hive_other", "p0") {
     }
 
 
-    def set_be_config = { ->
-        String[][] backends = sql """ show backends; """
-        assertTrue(backends.size() > 0)
-        for (String[] backend in backends) {
-            // No need to set this config anymore, but leave this code sample here
-            // StringBuilder setConfigCommand = new StringBuilder();
-            // setConfigCommand.append("curl -X POST http://")
-            // setConfigCommand.append(backend[2])
-            // setConfigCommand.append(":")
-            // setConfigCommand.append(backend[5])
-            // setConfigCommand.append("/api/update_config?")
-            // String command1 = setConfigCommand.toString() + "enable_new_load_scan_node=true"
-            // logger.info(command1)
-            // String command2 = setConfigCommand.toString() + "enable_new_file_scanner=true"
-            // logger.info(command2)
-            // def process1 = command1.execute()
-            // int code = process1.waitFor()
-            // assertEquals(code, 0)
-            // def process2 = command2.execute()
-            // code = process1.waitFor()
-            // assertEquals(code, 0)
-        }
-    }
-
     String enabled = context.config.otherConfigs.get("enableHiveTest")
     if (enabled != null && enabled.equalsIgnoreCase("true")) {
         String hms_port = context.config.otherConfigs.get("hms_port")
         String catalog_name = "hive_test_other"
-        set_be_config.call()
 
         sql """admin set frontend config ("enable_multi_catalog" = "true")"""
         sql """drop catalog if exists ${catalog_name}"""
diff --git a/regression-test/suites/external_catalog_p0/hive/test_hive_parquet.groovy b/regression-test/suites/external_catalog_p0/hive/test_hive_parquet.groovy
index 8cb89baec5b22c2..bb2ad552a69e38f 100644
--- a/regression-test/suites/external_catalog_p0/hive/test_hive_parquet.groovy
+++ b/regression-test/suites/external_catalog_p0/hive/test_hive_parquet.groovy
@@ -139,30 +139,6 @@ suite("test_hive_parquet", "p0") {
     """
     }
 
-
-    def set_be_config = { flag ->
-        String[][] backends = sql """ show backends; """
-        assertTrue(backends.size() > 0)
-        for (String[] backend in backends) {
-            StringBuilder setConfigCommand = new StringBuilder();
-            setConfigCommand.append("curl -X POST http://")
-            setConfigCommand.append(backend[2])
-            setConfigCommand.append(":")
-            setConfigCommand.append(backend[5])
-            setConfigCommand.append("/api/update_config?")
-            String command1 = setConfigCommand.toString() + "enable_new_load_scan_node=$flag"
-            logger.info(command1)
-            String command2 = setConfigCommand.toString() + "enable_new_file_scanner=$flag"
-            logger.info(command2)
-            def process1 = command1.execute()
-            int code = process1.waitFor()
-            assertEquals(code, 0)
-            def process2 = command2.execute()
-            code = process1.waitFor()
-            assertEquals(code, 0)
-        }
-    }
-
     String enabled = context.config.otherConfigs.get("enableHiveTest")
     if (enabled != null && enabled.equalsIgnoreCase("true")) {
         try {
@@ -170,7 +146,6 @@ suite("test_hive_parquet", "p0") {
             String catalog_name = "hive_test_parquet"
             sql """admin set frontend config ("enable_multi_catalog" = "true")"""
             sql """admin set frontend config ("enable_new_load_scan_node" = "true");"""
-            set_be_config.call('true')
             sql """drop catalog if exists ${catalog_name}"""
             sql """
             create catalog if not exists ${catalog_name} properties (
@@ -201,8 +176,7 @@ suite("test_hive_parquet", "p0") {
             q19()
             q20()
         } finally {
-            sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "false");"""
-            set_be_config.call('false')
+            sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "true");"""
         }
     }
 }
diff --git a/regression-test/suites/load_p0/broker_load/test_array_load.groovy b/regression-test/suites/load_p0/broker_load/test_array_load.groovy
index 7f5d10995215f59..bbdae4659fa9f55 100644
--- a/regression-test/suites/load_p0/broker_load/test_array_load.groovy
+++ b/regression-test/suites/load_p0/broker_load/test_array_load.groovy
@@ -204,7 +204,7 @@ suite("test_array_load", "load_p0") {
         for ( i in 0..1 ) {
             // should be deleted after new_load_scan is ready
             if (i == 1) {
-                sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "false");"""
+                sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "true");"""
             } else {
                 sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "true");"""
             }
@@ -280,7 +280,7 @@ suite("test_array_load", "load_p0") {
             }
         }
     } finally {
-        try_sql("""ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "false");""")
+        try_sql("""ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "true");""")
     }
 
 
diff --git a/regression-test/suites/load_p0/broker_load/test_broker_load.groovy b/regression-test/suites/load_p0/broker_load/test_broker_load.groovy
index e1f16676dd1efd2..e67397e821a5e5c 100644
--- a/regression-test/suites/load_p0/broker_load/test_broker_load.groovy
+++ b/regression-test/suites/load_p0/broker_load/test_broker_load.groovy
@@ -192,28 +192,8 @@ suite("test_broker_load", "p0") {
         logger.info("Submit load with lable: $uuid, table: $table, path: $path")
     }
 
-    def set_be_config = { flag->
-        String[][] backends = sql """ show backends; """
-        assertTrue(backends.size() > 0)
-        for (String[] backend in backends) {
-            // No need to set this config anymore, but leave this code sample here
-            // StringBuilder setConfigCommand = new StringBuilder();
-            // setConfigCommand.append("curl -X POST http://")
-            // setConfigCommand.append(backend[2])
-            // setConfigCommand.append(":")
-            // setConfigCommand.append(backend[5])
-            // setConfigCommand.append("/api/update_config?")
-            // String command1 = setConfigCommand.toString() + "enable_new_load_scan_node=$flag"
-            // logger.info(command1)
-            // def process1 = command1.execute()
-            // int code = process1.waitFor()
-            // assertEquals(code, 0)
-        }
-    }
-
     if (enabled != null && enabled.equalsIgnoreCase("true")) {
         def uuids = []
-        set_be_config.call('true')
         try {
             def i = 0
             for (String table in tables) {
@@ -258,7 +238,6 @@ suite("test_broker_load", "p0") {
             order_qt_parquet_s3_case9 """ select * from parquet_s3_case9"""
 
         } finally {
-            set_be_config.call('false')
             for (String table in tables) {
                 sql new File("""${context.file.parent}/ddl/${table}_drop.sql""").text
             }
diff --git a/regression-test/suites/load_p0/stream_load/load_json_column_exclude_schema_without_jsonpath.groovy b/regression-test/suites/load_p0/stream_load/load_json_column_exclude_schema_without_jsonpath.groovy
index 760af3344e7aead..a6ce6a16f262e7e 100644
--- a/regression-test/suites/load_p0/stream_load/load_json_column_exclude_schema_without_jsonpath.groovy
+++ b/regression-test/suites/load_p0/stream_load/load_json_column_exclude_schema_without_jsonpath.groovy
@@ -52,7 +52,7 @@ suite("test_load_json_column_exclude_schema_without_jsonpath", "p0") {
     def load_array_data = {new_json_reader_flag, table_name, strip_flag, read_flag, format_flag, exprs, json_paths, 
                             json_root, where_expr, fuzzy_flag, column_sep, file_name ->
         // should be deleted after new_load_scan is ready
-        sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "${new_json_reader_flag}");"""
+        sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "true");"""
 
         // load the json data
         streamLoad {
diff --git a/regression-test/suites/load_p0/stream_load/load_json_null_to_nullable.groovy b/regression-test/suites/load_p0/stream_load/load_json_null_to_nullable.groovy
index f934c038a2aceaf..8e7caba45fb1daf 100644
--- a/regression-test/suites/load_p0/stream_load/load_json_null_to_nullable.groovy
+++ b/regression-test/suites/load_p0/stream_load/load_json_null_to_nullable.groovy
@@ -43,7 +43,7 @@ suite("test_load_json_null_to_nullable", "p0") {
     def load_array_data = {new_json_reader_flag, table_name, strip_flag, read_flag, format_flag, exprs, json_paths, 
                             json_root, where_expr, fuzzy_flag, column_sep, file_name ->
         // should be deleted after new_load_scan is ready
-        sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "${new_json_reader_flag}");"""
+        sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "true");"""
 
         // load the json data
         streamLoad {
@@ -79,7 +79,7 @@ suite("test_load_json_null_to_nullable", "p0") {
         }
 
         // should be deleted after new_load_scan is ready
-        sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "false");"""
+        sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "true");"""
     }
 
     def check_data_correct = {table_name ->
diff --git a/regression-test/suites/load_p0/stream_load/load_json_with_jsonpath.groovy b/regression-test/suites/load_p0/stream_load/load_json_with_jsonpath.groovy
index 02ffd808e2ff7bf..1254356d41673ad 100644
--- a/regression-test/suites/load_p0/stream_load/load_json_with_jsonpath.groovy
+++ b/regression-test/suites/load_p0/stream_load/load_json_with_jsonpath.groovy
@@ -44,7 +44,7 @@ suite("test_load_json_with_jsonpath", "p0") {
                             json_root, where_expr, fuzzy_flag, column_sep, file_name ->
         
         // should be deleted after new_load_scan is ready
-        sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "${new_json_reader_flag}");"""
+        sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "true");"""
 
         // load the json data
         streamLoad {
@@ -80,7 +80,7 @@ suite("test_load_json_with_jsonpath", "p0") {
         }
 
         // should be deleted after new_load_scan is ready
-        sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "false");"""
+        sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "true");"""
     }
 
     def check_data_correct = {table_name ->
diff --git a/regression-test/suites/load_p0/stream_load/test_hdfs_json_load.groovy b/regression-test/suites/load_p0/stream_load/test_hdfs_json_load.groovy
index 5c79cf1b976f7cc..e1a09dff8d2fdca 100644
--- a/regression-test/suites/load_p0/stream_load/test_hdfs_json_load.groovy
+++ b/regression-test/suites/load_p0/stream_load/test_hdfs_json_load.groovy
@@ -45,7 +45,7 @@ suite("test_hdfs_json_load", "p0") {
     def load_from_hdfs1 = {new_json_reader_flag, strip_flag, fuzzy_flag, testTablex, label, fileName,
                             fsPath, hdfsUser, exprs, jsonpaths, json_root, columns_parameter, where ->
         // should be delete after new_load_scan is ready
-        sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "${new_json_reader_flag}");"""
+        sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "true");"""
         
         def hdfsFilePath = "${fsPath}/user/doris/preinstalled_data/json_format_test/${fileName}"
         def result1= sql """
@@ -78,7 +78,7 @@ suite("test_hdfs_json_load", "p0") {
         assertTrue(result1[0][0] == 0, "Query OK, 0 rows affected")
 
         // should be delete after new_load_scan is ready
-        sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "false");"""
+        sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "true");"""
     }
 
     def check_load_result = {checklabel, testTablex ->
diff --git a/regression-test/suites/load_p0/stream_load/test_json_load.groovy b/regression-test/suites/load_p0/stream_load/test_json_load.groovy
index e066467e3e849d4..8b49883907770df 100644
--- a/regression-test/suites/load_p0/stream_load/test_json_load.groovy
+++ b/regression-test/suites/load_p0/stream_load/test_json_load.groovy
@@ -117,7 +117,7 @@ suite("test_json_load", "p0") {
     def load_json_data = {new_json_reader_flag, label, strip_flag, read_flag, format_flag, exprs, json_paths, 
                         json_root, where_expr, fuzzy_flag, file_name, ignore_failure=false ->
         // should be delete after new_load_scan is ready
-        sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "${new_json_reader_flag}");"""
+        sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "true");"""
         
         // load the json data
         streamLoad {
@@ -152,7 +152,7 @@ suite("test_json_load", "p0") {
         }
 
         // should be deleted after new_load_scan is ready
-        sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "false");"""
+        sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "true");"""
     }
     
     def load_from_hdfs1 = {testTablex, label, hdfsFilePath, format, brokerName, hdfsUser, hdfsPasswd ->
@@ -530,7 +530,7 @@ suite("test_json_load", "p0") {
         sql "DROP TABLE IF EXISTS ${testTable}"
         create_test_table3.call(testTable)
         // should be delete after new_load_scan is ready
-        sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "false");"""
+        sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "true");"""
         // load the json data
         streamLoad {
             table "${testTable}"
@@ -558,7 +558,7 @@ suite("test_json_load", "p0") {
             }
         }
         // should be deleted after new_load_scan is ready
-        sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "false");"""
+        sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "true");"""
         sql "sync"
         qt_select13 "select * from ${testTable} order by id"
 
@@ -594,7 +594,7 @@ suite("test_json_load", "p0") {
             }
         }
         // should be deleted after new_load_scan is ready
-        sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "false");"""
+        sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "true");"""
         sql "sync"
         qt_select13 "select * from ${testTable} order by id"
 
diff --git a/regression-test/suites/load_p0/stream_load/test_txt_special_delimiter.groovy b/regression-test/suites/load_p0/stream_load/test_txt_special_delimiter.groovy
index fff343078b051c5..9d39eb2681e49ba 100644
--- a/regression-test/suites/load_p0/stream_load/test_txt_special_delimiter.groovy
+++ b/regression-test/suites/load_p0/stream_load/test_txt_special_delimiter.groovy
@@ -33,7 +33,7 @@ suite("test_txt_special_delimiter", "p0") {
     for ( i in 0..1 ) {
         // should be deleted after new_load_scan is ready
         if (i == 1) {
-            sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "false");"""
+            sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "true");"""
         } else {
             sql """ADMIN SET FRONTEND CONFIG ("enable_new_load_scan_node" = "true");"""
         }
diff --git a/regression-test/suites/tpch_sf1_p0/multi_catalog_query/hive_catalog_orc.groovy b/regression-test/suites/tpch_sf1_p0/multi_catalog_query/hive_catalog_orc.groovy
index 13b12e002761ea0..e2c2cf8b1ec9ba7 100644
--- a/regression-test/suites/tpch_sf1_p0/multi_catalog_query/hive_catalog_orc.groovy
+++ b/regression-test/suites/tpch_sf1_p0/multi_catalog_query/hive_catalog_orc.groovy
@@ -797,35 +797,10 @@ order by
         """
     }
 
-    def set_be_config = { ->
-        String[][] backends = sql """ show backends; """
-        assertTrue(backends.size() > 0)
-        for (String[] backend in backends) {
-            // No need to set this config anymore, but leave this code sample here
-            // StringBuilder setConfigCommand = new StringBuilder();
-            // setConfigCommand.append("curl -X POST http://")
-            // setConfigCommand.append(backend[2])
-            // setConfigCommand.append(":")
-            // setConfigCommand.append(backend[5])
-            // setConfigCommand.append("/api/update_config?")
-            // String command1 = setConfigCommand.toString() + "enable_new_load_scan_node=true"
-            // logger.info(command1)
-            // String command2 = setConfigCommand.toString() + "enable_new_file_scanner=true"
-            // logger.info(command2)
-            // def process1 = command1.execute()
-            // int code = process1.waitFor()
-            // assertEquals(code, 0)
-            // def process2 = command2.execute()
-            // code = process1.waitFor()
-            // assertEquals(code, 0)
-        }
-    }
-
     String enabled = context.config.otherConfigs.get("enableHiveTest")
     if (enabled != null && enabled.equalsIgnoreCase("true")) {
         String hms_port = context.config.otherConfigs.get("hms_port")
         String catalog_name = "test_catalog_hive_orc"
-        set_be_config.call()
 
         sql """admin set frontend config ("enable_multi_catalog" = "true")"""
         sql """drop catalog if exists ${catalog_name}"""
diff --git a/regression-test/suites/tpch_sf1_p0/multi_catalog_query/hive_catalog_parquet.groovy b/regression-test/suites/tpch_sf1_p0/multi_catalog_query/hive_catalog_parquet.groovy
index ce36a181a46a29e..01530b738af3fc5 100644
--- a/regression-test/suites/tpch_sf1_p0/multi_catalog_query/hive_catalog_parquet.groovy
+++ b/regression-test/suites/tpch_sf1_p0/multi_catalog_query/hive_catalog_parquet.groovy
@@ -797,35 +797,10 @@ order by
         """
     }
 
-    def set_be_config = { ->
-        String[][] backends = sql """ show backends; """
-        assertTrue(backends.size() > 0)
-        for (String[] backend in backends) {
-            // No need to set this config anymore, but leave this code sample here
-            // StringBuilder setConfigCommand = new StringBuilder();
-            // setConfigCommand.append("curl -X POST http://")
-            // setConfigCommand.append(backend[2])
-            // setConfigCommand.append(":")
-            // setConfigCommand.append(backend[5])
-            // setConfigCommand.append("/api/update_config?")
-            // String command1 = setConfigCommand.toString() + "enable_new_load_scan_node=true"
-            // logger.info(command1)
-            // String command2 = setConfigCommand.toString() + "enable_new_file_scanner=true"
-            // logger.info(command2)
-            // def process1 = command1.execute()
-            // int code = process1.waitFor()
-            // assertEquals(code, 0)
-            // def process2 = command2.execute()
-            // code = process1.waitFor()
-            // assertEquals(code, 0)
-        }
-    }
-
     String enabled = context.config.otherConfigs.get("enableHiveTest")
     if (enabled != null && enabled.equalsIgnoreCase("true")) {
         String hms_port = context.config.otherConfigs.get("hms_port")
         String catalog_name = "test_catalog_hive_parquet"
-        set_be_config.call()
 
         sql """admin set frontend config ("enable_multi_catalog" = "true")"""
         sql """drop catalog if exists ${catalog_name}"""