diff --git a/src/unit_test/main/config.cpp b/src/unit_test/main/config.cpp
index c72f64c225..b76743863f 100644
--- a/src/unit_test/main/config.cpp
+++ b/src/unit_test/main/config.cpp
@@ -13,11 +13,13 @@
 // limitations under the License.
 
 #include "unit_test/base_test.h"
+#include <gtest/gtest.h>
 
 import stl;
 import config;
 import infinity_exception;
 import third_party;
+import status;
 import compilation_config;
 
 class ConfigTest : public BaseTest {};
@@ -100,3 +102,126 @@ TEST_F(ConfigTest, test2) {
     EXPECT_EQ(config.TempDir(), "/tmp");
     EXPECT_EQ(config.MemIndexMemoryQuota(), 2 * 1024l * 1024l * 1024l);
 }
+
+TEST_F(ConfigTest, TestWrongParamNames) {
+    using namespace infinity;
+    SharedPtr<String> path = MakeShared<String>(String(test_data_path()) + "/config/test_conf_invalid_param.toml");
+    Config config;
+    auto status = config.Init(path, nullptr);
+    ASSERT_FALSE(status.ok()); 
+}
+
+TEST_F(ConfigTest, TestConfInvalidValues) {
+    using namespace infinity;
+    SharedPtr<String> path = MakeShared<String>(String(test_data_path()) + "/config/test_conf_invalid_version.toml");
+    Config config_invalid_version;
+    auto status = config_invalid_version.Init(path, nullptr);
+    EXPECT_EQ(status.code(), ErrorCode::kMismatchVersion);
+
+    Config config_invalid_timezone;
+    path = MakeShared<String>(String(test_data_path()) + "/config/test_conf_invalid_timezone.toml");
+    status = config_invalid_timezone.Init(path, nullptr);
+    EXPECT_EQ(status.code(), ErrorCode::kInvalidTimezone);
+
+    Config config_invalid_server_address;
+    path = MakeShared<String>(String(test_data_path()) + "/config/test_conf_invalid_server_address.toml");
+    status = config_invalid_server_address.Init(path, nullptr);
+    EXPECT_EQ(status.code(), ErrorCode::kInvalidIPAddr);
+
+    Config config_invalid_bytesize;
+    path = MakeShared<String>(String(test_data_path()) + "/config/test_conf_invalid_bytesize.toml");
+    status = config_invalid_bytesize.Init(path, nullptr);
+    EXPECT_EQ(status.code(), ErrorCode::kInvalidByteSize);
+
+    Config config_invalid_log_level;
+    path = MakeShared<String>(String(test_data_path()) + "/config/test_conf_invalid_log_level.toml");
+    status = config_invalid_log_level.Init(path, nullptr);
+    EXPECT_EQ(status.code(), ErrorCode::kInvalidLogLevel);
+
+    Config config_invalid_timeinfo;
+    path = MakeShared<String>(String(test_data_path()) + "/config/test_conf_invalid_timeinfo.toml");
+    status = config_invalid_timeinfo.Init(path, nullptr);
+    EXPECT_EQ(status.code(), ErrorCode::kInvalidTimeInfo);
+}
+
+TEST_F(ConfigTest, TestOutofRangeValues) {
+
+    using namespace infinity;
+    SharedPtr<String> path = MakeShared<String>(String(test_data_path()) + "/config/test_conf_out_of_bound_bytesize.toml");
+    Config config_bytesize;
+    auto status = config_bytesize.Init(path, nullptr);
+    EXPECT_EQ(status.code(), ErrorCode::kInvalidConfig);
+
+    Config config_number;
+    path = MakeShared<String>(String(test_data_path()) + "/config/test_conf_out_of_bound_number.toml");
+    status = config_number.Init(path, nullptr);
+    EXPECT_EQ(status.code(), ErrorCode::kInvalidConfig);
+    
+    Config config_timeinfo;
+    path = MakeShared<String>(String(test_data_path()) + "/config/test_conf_out_of_bound_timeinfo.toml");
+    status = config_timeinfo.Init(path, nullptr);
+    EXPECT_EQ(status.code(), ErrorCode::kInvalidConfig);
+
+    Config config_timezone;
+    path = MakeShared<String>(String(test_data_path()) + "/config/test_conf_out_of_bound_timezone.toml");
+    status = config_timezone.Init(path, nullptr);
+    EXPECT_EQ(status.code(), ErrorCode::kInvalidConfig);
+
+    Config config_walflush;
+    path = MakeShared<String>(String(test_data_path()) + "/config/test_conf_out_of_bound_walflush.toml");
+    status = config_walflush.Init(path, nullptr);
+    EXPECT_EQ(status.code(), ErrorCode::kInvalidConfig);
+   
+}
+
+TEST_F(ConfigTest, TestValidValues) {
+    using namespace infinity;
+    SharedPtr<String> path = MakeShared<String>(String(test_data_path()) + "/config/test_conf_valid_value.toml");
+    Config config;
+    auto status = config.Init(path, nullptr);
+    ASSERT_TRUE(status.ok());
+
+    EXPECT_EQ(config.Version(), "0.3.0");
+    EXPECT_EQ(config.TimeZone(), "UTC");
+    EXPECT_EQ(config.TimeZoneBias(), -8);
+    EXPECT_EQ(config.CPULimit(), 2);
+
+    // Network
+    EXPECT_EQ(config.ServerAddress(), "0.0.0.0");
+    EXPECT_EQ(config.PostgresPort(), 5432);
+    EXPECT_EQ(config.HTTPPort(), 23820u);
+    EXPECT_EQ(config.ClientPort(), 23817u);
+    EXPECT_EQ(config.ConnectionPoolSize(), 128);
+
+    // Log
+    EXPECT_EQ(config.LogFileName(), "infinity.log");
+    EXPECT_EQ(config.LogDir(), "/var/infinity/log");
+    EXPECT_EQ(config.LogFilePath(), "/var/infinity/log/infinity.log");
+    EXPECT_EQ(config.LogToStdout(), false);
+    EXPECT_EQ(config.LogFileMaxSize(), 1024l * 1024l * 1024l);
+    EXPECT_EQ(config.LogFileRotateCount(), 10l);
+    EXPECT_EQ(config.GetLogLevel(), LogLevel::kInfo);
+
+    //storage
+    EXPECT_EQ(config.DataDir(), "/var/infinity/data");
+    EXPECT_EQ(config.OptimizeIndexInterval(), 10);
+    EXPECT_EQ(config.CleanupInterval(), 60);
+    EXPECT_EQ(config.CompactInterval(), 120);
+    EXPECT_EQ(config.MemIndexCapacity(), 1048576);
+
+    // buffer
+    EXPECT_EQ(config.BufferManagerSize(), 4 * 1024l * 1024l * 1024l);
+    EXPECT_EQ(config.LRUNum(), 7);
+    EXPECT_EQ(config.TempDir(), "/var/infinity/tmp");
+    EXPECT_EQ(config.MemIndexMemoryQuota(), 1024l * 1024l * 1024l);
+
+    //wal
+    EXPECT_EQ(config.WALDir(), "/var/infinity/wal"); 
+    EXPECT_EQ(config.FullCheckpointInterval(), 86400l);
+    EXPECT_EQ(config.DeltaCheckpointInterval(), 60l);
+    EXPECT_EQ(config.WALCompactThreshold(), 1024l * 1024l * 1024l);
+    //resource
+    EXPECT_EQ(config.ResourcePath(), "/var/infinity/resource");
+    //persistence
+    EXPECT_EQ(config.PersistenceDir(), "/var/infinity/persistence");
+}
\ No newline at end of file
diff --git a/test/data/config/test_conf_invalid_bytesize.toml b/test/data/config/test_conf_invalid_bytesize.toml
new file mode 100644
index 0000000000..6cc13bba61
--- /dev/null
+++ b/test/data/config/test_conf_invalid_bytesize.toml
@@ -0,0 +1,49 @@
+[general]
+version                  = "0.3.0"
+time_zone                = "utc-8"
+
+[network]
+server_address           = "0.0.0.0"
+postgres_port            = 5432
+http_port                = 23820
+client_port              = 23817
+connection_pool_size     = 128
+
+[log]
+log_filename             = "infinity.log"
+log_dir                  = "/var/infinity/log"
+log_to_stdout            = false
+log_file_max_size        = "10GB"
+log_file_rotate_count    = 10
+
+log_level                = "info"
+
+[storage]
+data_dir                 = "/var/infinity/data"
+
+optimize_interval        = "10s"
+cleanup_interval         = "60s"
+compact_interval         = "120s"
+
+mem_index_capacity       = 1048576
+
+[buffer]
+buffer_manager_size      = "1TB"  # Changed to "1TB"
+lru_num                  = 7
+temp_dir                 = "/var/infinity/tmp"
+
+memindex_memory_quota    = "1GB"
+
+[wal]
+wal_dir                       = "/var/infinity/wal"
+full_checkpoint_interval      = "86400s"
+delta_checkpoint_interval     = "60s"
+wal_compact_threshold         = "1GB"
+
+wal_flush                     = "only_write"
+
+[resource]
+resource_dir                  = "/var/infinity/resource"
+
+[persistence]
+persistence_dir               = "/var/infinity/persistence"
diff --git a/test/data/config/test_conf_invalid_log_level.toml b/test/data/config/test_conf_invalid_log_level.toml
new file mode 100644
index 0000000000..35f5cfd86a
--- /dev/null
+++ b/test/data/config/test_conf_invalid_log_level.toml
@@ -0,0 +1,49 @@
+[general]
+version                  = "0.3.0"
+time_zone                = "utc-8"
+
+[network]
+server_address           = "0.0.0.0"
+postgres_port            = 5432
+http_port                = 23820
+client_port              = 23817
+connection_pool_size     = 128
+
+[log]
+log_filename             = "infinity.log"
+log_dir                  = "/var/infinity/log"
+log_to_stdout            = false
+log_file_max_size        = "10GB"
+log_file_rotate_count    = 10
+
+log_level                = "invalid_level"  # Changed to "invalid_level"
+
+[storage]
+data_dir                 = "/var/infinity/data"
+
+optimize_interval        = "10s"
+cleanup_interval         = "60s"
+compact_interval         = "120s"
+
+mem_index_capacity       = 1048576
+
+[buffer]
+buffer_manager_size      = "4GB"
+lru_num                  = 7
+temp_dir                 = "/var/infinity/tmp"
+
+memindex_memory_quota    = "1GB"
+
+[wal]
+wal_dir                       = "/var/infinity/wal"
+full_checkpoint_interval      = "86400s"
+delta_checkpoint_interval     = "60s"
+wal_compact_threshold         = "1GB"
+
+wal_flush                     = "only_write"
+
+[resource]
+resource_dir                  = "/var/infinity/resource"
+
+[persistence]
+persistence_dir               = "/var/infinity/persistence"
diff --git a/test/data/config/test_conf_invalid_param.toml b/test/data/config/test_conf_invalid_param.toml
new file mode 100644
index 0000000000..4800615bad
--- /dev/null
+++ b/test/data/config/test_conf_invalid_param.toml
@@ -0,0 +1,41 @@
+# testing invalid items in config
+# result should be same as default
+[ygenera1]
+versi0n                 = "0.4.0"
+time_z0ne                = "utc-123"
+cpu_1imit               = 123
+
+# right list name, but arguments all wrong
+[network]
+5erver_address          = "127.wrong.0.0.1"
+postgre5_port           = 254333
+http_p0rt               = 24123
+client_p0rt             = 1234
+connection_p00l_size    = 144
+
+# wrong list name, right arguments
+[l0g]
+log_filename            = "info.logwrong"
+log_dir                 = "/var/infinity/logwrong"
+log_to_stdout           = true
+log_file_max_size       = "2GB"
+log_file_rotate_count   = 101
+log_1evel               = "tracewrong"
+
+[st0rage]
+data_dir                = "/var/infinity/datawrong"
+
+[bufferrrr]
+buffer_mAnager_size        = "50GB"
+1ru_num                  = 100
+temp_dIIIr                = "/tmpwrong"
+memindex_mem0ry_quota   = "1GB"
+
+[wal]
+wa1_dir                 = "/var/infinity/wawrong"
+
+[resourCEEe]
+resource_dffir          = "/var/infinity/resourcewrong"
+
+[persistence]
+persistence_dirrr       = "/var/infinity/persistencewrong"
\ No newline at end of file
diff --git a/test/data/config/test_conf_invalid_server_address.toml b/test/data/config/test_conf_invalid_server_address.toml
new file mode 100644
index 0000000000..3c9683137e
--- /dev/null
+++ b/test/data/config/test_conf_invalid_server_address.toml
@@ -0,0 +1,49 @@
+[general]
+version                  = "0.3.0"
+time_zone                = "utc-8"
+
+[network]
+server_address           = "999.999.999.999"  # Changed to an invalid IP address
+postgres_port            = 5432
+http_port                = 23820
+client_port              = 23817
+connection_pool_size     = 128
+
+[log]
+log_filename             = "infinity.log"
+log_dir                  = "/var/infinity/log"
+log_to_stdout            = false
+log_file_max_size        = "10GB"
+log_file_rotate_count    = 10
+
+log_level                = "info"
+
+[storage]
+data_dir                 = "/var/infinity/data"
+
+optimize_interval        = "10s"
+cleanup_interval         = "60s"
+compact_interval         = "120s"
+
+mem_index_capacity       = 1048576
+
+[buffer]
+buffer_manager_size      = "4GB"
+lru_num                  = 7
+temp_dir                 = "/var/infinity/tmp"
+
+memindex_memory_quota    = "1GB"
+
+[wal]
+wal_dir                       = "/var/infinity/wal"
+full_checkpoint_interval      = "86400s"
+delta_checkpoint_interval     = "60s"
+wal_compact_threshold         = "1GB"
+
+wal_flush                     = "only_write"
+
+[resource]
+resource_dir                  = "/var/infinity/resource"
+
+[persistence]
+persistence_dir               = "/var/infinity/persistence"
diff --git a/test/data/config/test_conf_invalid_timeinfo.toml b/test/data/config/test_conf_invalid_timeinfo.toml
new file mode 100644
index 0000000000..72ee85dcd3
--- /dev/null
+++ b/test/data/config/test_conf_invalid_timeinfo.toml
@@ -0,0 +1,49 @@
+[general]
+version                  = "0.3.0"
+time_zone                = "utc-8"
+
+[network]
+server_address           = "0.0.0.0"
+postgres_port            = 5432
+http_port                = 23820
+client_port              = 23817
+connection_pool_size     = 128
+
+[log]
+log_filename             = "infinity.log"
+log_dir                  = "/var/infinity/log"
+log_to_stdout            = false
+log_file_max_size        = "10GB"
+log_file_rotate_count    = 10
+
+log_level                = "info"
+
+[storage]
+data_dir                 = "/var/infinity/data"
+
+optimize_interval        = "1day"  # Changed to "1day"
+cleanup_interval         = "60s"
+compact_interval         = "120s"
+
+mem_index_capacity       = 1048576
+
+[buffer]
+buffer_manager_size      = "4GB"
+lru_num                  = 7
+temp_dir                 = "/var/infinity/tmp"
+
+memindex_memory_quota    = "1GB"
+
+[wal]
+wal_dir                       = "/var/infinity/wal"
+full_checkpoint_interval      = "86400s"
+delta_checkpoint_interval     = "60s"
+wal_compact_threshold         = "1GB"
+
+wal_flush                     = "only_write"
+
+[resource]
+resource_dir                  = "/var/infinity/resource"
+
+[persistence]
+persistence_dir               = "/var/infinity/persistence"
diff --git a/test/data/config/test_conf_invalid_timezone.toml b/test/data/config/test_conf_invalid_timezone.toml
new file mode 100644
index 0000000000..f3cc81599d
--- /dev/null
+++ b/test/data/config/test_conf_invalid_timezone.toml
@@ -0,0 +1,49 @@
+[general]
+version                  = "0.3.0"
+time_zone                = "invalid_timezone"  # Changed to an unparseable string
+
+[network]
+server_address           = "0.0.0.0"
+postgres_port            = 5432
+http_port                = 23820
+client_port              = 23817
+connection_pool_size     = 128
+
+[log]
+log_filename             = "infinity.log"
+log_dir                  = "/var/infinity/log"
+log_to_stdout            = false
+log_file_max_size        = "10GB"
+log_file_rotate_count    = 10
+
+log_level                = "info"
+
+[storage]
+data_dir                 = "/var/infinity/data"
+
+optimize_interval        = "10s"
+cleanup_interval         = "60s"
+compact_interval         = "120s"
+
+mem_index_capacity       = 1048576
+
+[buffer]
+buffer_manager_size      = "4GB"
+lru_num                  = 7
+temp_dir                 = "/var/infinity/tmp"
+
+memindex_memory_quota    = "1GB"
+
+[wal]
+wal_dir                       = "/var/infinity/wal"
+full_checkpoint_interval      = "86400s"
+delta_checkpoint_interval     = "60s"
+wal_compact_threshold         = "1GB"
+
+wal_flush                     = "only_write"
+
+[resource]
+resource_dir                  = "/var/infinity/resource"
+
+[persistence]
+persistence_dir               = "/var/infinity/persistence"
diff --git a/test/data/config/test_conf_invalid_version.toml b/test/data/config/test_conf_invalid_version.toml
new file mode 100644
index 0000000000..7552fb1d5e
--- /dev/null
+++ b/test/data/config/test_conf_invalid_version.toml
@@ -0,0 +1,49 @@
+[general]
+version                  = "3.0.0"  # Changed to "3.0.0"
+time_zone                = "utc-8"
+
+[network]
+server_address           = "0.0.0.0"
+postgres_port            = 5432
+http_port                = 23820
+client_port              = 23817
+connection_pool_size     = 128
+
+[log]
+log_filename             = "infinity.log"
+log_dir                  = "/var/infinity/log"
+log_to_stdout            = false
+log_file_max_size        = "10GB"
+log_file_rotate_count    = 10
+
+log_level                = "info"
+
+[storage]
+data_dir                 = "/var/infinity/data"
+
+optimize_interval        = "10s"
+cleanup_interval         = "60s"
+compact_interval         = "120s"
+
+mem_index_capacity       = 1048576
+
+[buffer]
+buffer_manager_size      = "4GB"
+lru_num                  = 7
+temp_dir                 = "/var/infinity/tmp"
+
+memindex_memory_quota    = "1GB"
+
+[wal]
+wal_dir                       = "/var/infinity/wal"
+full_checkpoint_interval      = "86400s"
+delta_checkpoint_interval     = "60s"
+wal_compact_threshold         = "1GB"
+
+wal_flush                     = "only_write"
+
+[resource]
+resource_dir                  = "/var/infinity/resource"
+
+[persistence]
+persistence_dir               = "/var/infinity/persistence"
diff --git a/test/data/config/test_conf_out_of_bound_bytesize.toml b/test/data/config/test_conf_out_of_bound_bytesize.toml
new file mode 100644
index 0000000000..6598cabf2c
--- /dev/null
+++ b/test/data/config/test_conf_out_of_bound_bytesize.toml
@@ -0,0 +1,49 @@
+[general]
+version                  = "0.3.0"
+time_zone                = "utc-8"
+
+[network]
+server_address           = "0.0.0.0"
+postgres_port            = 5432
+http_port                = 23820
+client_port              = 23817
+connection_pool_size     = 128
+
+[log]
+log_filename             = "infinity.log"
+log_dir                  = "/var/infinity/log"
+log_to_stdout            = false
+log_file_max_size        = "1KB"  # Changed to "1KB"
+log_file_rotate_count    = 10
+
+log_level                = "info"
+
+[storage]
+data_dir                 = "/var/infinity/data"
+
+optimize_interval        = "10s"
+cleanup_interval         = "60s"
+compact_interval         = "120s"
+
+mem_index_capacity       = 1048576
+
+[buffer]
+buffer_manager_size      = "4GB"
+lru_num                  = 7
+temp_dir                 = "/var/infinity/tmp"
+
+memindex_memory_quota    = "1GB"
+
+[wal]
+wal_dir                       = "/var/infinity/wal"
+full_checkpoint_interval      = "86400s"
+delta_checkpoint_interval     = "60s"
+wal_compact_threshold         = "1GB"
+
+wal_flush                     = "only_write"
+
+[resource]
+resource_dir                  = "/var/infinity/resource"
+
+[persistence]
+persistence_dir               = "/var/infinity/persistence"
diff --git a/test/data/config/test_conf_out_of_bound_number.toml b/test/data/config/test_conf_out_of_bound_number.toml
new file mode 100644
index 0000000000..ab76eaca47
--- /dev/null
+++ b/test/data/config/test_conf_out_of_bound_number.toml
@@ -0,0 +1,49 @@
+[general]
+version                  = "0.3.0"
+time_zone                = "utc-8"
+
+[network]
+server_address           = "0.0.0.0"
+postgres_port            = 5432
+http_port                = 23820
+client_port              = 23817
+connection_pool_size     = 65538  # Changed to 65538
+
+[log]
+log_filename             = "infinity.log"
+log_dir                  = "/var/infinity/log"
+log_to_stdout            = false
+log_file_max_size        = "10GB"
+log_file_rotate_count    = 10
+
+log_level                = "info"
+
+[storage]
+data_dir                 = "/var/infinity/data"
+
+optimize_interval        = "10s"
+cleanup_interval         = "60s"
+compact_interval         = "120s"
+
+mem_index_capacity       = 1048576
+
+[buffer]
+buffer_manager_size      = "4GB"
+lru_num                  = 7
+temp_dir                 = "/var/infinity/tmp"
+
+memindex_memory_quota    = "1GB"
+
+[wal]
+wal_dir                       = "/var/infinity/wal"
+full_checkpoint_interval      = "86400s"
+delta_checkpoint_interval     = "60s"
+wal_compact_threshold         = "1GB"
+
+wal_flush                     = "only_write"
+
+[resource]
+resource_dir                  = "/var/infinity/resource"
+
+[persistence]
+persistence_dir               = "/var/infinity/persistence"
diff --git a/test/data/config/test_conf_out_of_bound_timeinfo.toml b/test/data/config/test_conf_out_of_bound_timeinfo.toml
new file mode 100644
index 0000000000..9bde973d28
--- /dev/null
+++ b/test/data/config/test_conf_out_of_bound_timeinfo.toml
@@ -0,0 +1,49 @@
+[general]
+version                  = "0.3.0"
+time_zone                = "utc-8"
+
+[network]
+server_address           = "0.0.0.0"
+postgres_port            = 5432
+http_port                = 23820
+client_port              = 23817
+connection_pool_size     = 128
+
+[log]
+log_filename             = "infinity.log"
+log_dir                  = "/var/infinity/log"
+log_to_stdout            = false
+log_file_max_size        = "10GB"
+log_file_rotate_count    = 10
+
+log_level                = "info"
+
+[storage]
+data_dir                 = "/var/infinity/data"
+
+optimize_interval        = "721h"  # Changed to "721h"
+cleanup_interval         = "60s"
+compact_interval         = "120s"
+
+mem_index_capacity       = 1048576
+
+[buffer]
+buffer_manager_size      = "4GB"
+lru_num                  = 7
+temp_dir                 = "/var/infinity/tmp"
+
+memindex_memory_quota    = "1GB"
+
+[wal]
+wal_dir                       = "/var/infinity/wal"
+full_checkpoint_interval      = "86400s"
+delta_checkpoint_interval     = "60s"
+wal_compact_threshold         = "1GB"
+
+wal_flush                     = "only_write"
+
+[resource]
+resource_dir                  = "/var/infinity/resource"
+
+[persistence]
+persistence_dir               = "/var/infinity/persistence"
diff --git a/test/data/config/test_conf_out_of_bound_timezone.toml b/test/data/config/test_conf_out_of_bound_timezone.toml
new file mode 100644
index 0000000000..d53d443ebe
--- /dev/null
+++ b/test/data/config/test_conf_out_of_bound_timezone.toml
@@ -0,0 +1,49 @@
+[general]
+version                  = "0.3.0"
+time_zone                = "utc-23"  # Changed to "utc-23"
+
+[network]
+server_address           = "0.0.0.0"
+postgres_port            = 5432
+http_port                = 23820
+client_port              = 23817
+connection_pool_size     = 128
+
+[log]
+log_filename             = "infinity.log"
+log_dir                  = "/var/infinity/log"
+log_to_stdout            = false
+log_file_max_size        = "10GB"
+log_file_rotate_count    = 10
+
+log_level                = "info"
+
+[storage]
+data_dir                 = "/var/infinity/data"
+
+optimize_interval        = "10s"
+cleanup_interval         = "60s"
+compact_interval         = "120s"
+
+mem_index_capacity       = 1048576
+
+[buffer]
+buffer_manager_size      = "4GB"
+lru_num                  = 7
+temp_dir                 = "/var/infinity/tmp"
+
+memindex_memory_quota    = "1GB"
+
+[wal]
+wal_dir                       = "/var/infinity/wal"
+full_checkpoint_interval      = "86400s"
+delta_checkpoint_interval     = "60s"
+wal_compact_threshold         = "1GB"
+
+wal_flush                     = "only_write"
+
+[resource]
+resource_dir                  = "/var/infinity/resource"
+
+[persistence]
+persistence_dir               = "/var/infinity/persistence"
diff --git a/test/data/config/test_conf_out_of_bound_walflush.toml b/test/data/config/test_conf_out_of_bound_walflush.toml
new file mode 100644
index 0000000000..96cb4f7dde
--- /dev/null
+++ b/test/data/config/test_conf_out_of_bound_walflush.toml
@@ -0,0 +1,49 @@
+[general]
+version                  = "0.3.0"
+time_zone                = "utc-8"
+
+[network]
+server_address           = "0.0.0.0"
+postgres_port            = 5432
+http_port                = 23820
+client_port              = 23817
+connection_pool_size     = 128
+
+[log]
+log_filename             = "infinity.log"
+log_dir                  = "/var/infinity/log"
+log_to_stdout            = false
+log_file_max_size        = "10GB"
+log_file_rotate_count    = 10
+
+log_level                = "info"
+
+[storage]
+data_dir                 = "/var/infinity/data"
+
+optimize_interval        = "10s"
+cleanup_interval         = "60s"
+compact_interval         = "120s"
+
+mem_index_capacity       = 1048576
+
+[buffer]
+buffer_manager_size      = "4GB"
+lru_num                  = 7
+temp_dir                 = "/var/infinity/tmp"
+
+memindex_memory_quota    = "1GB"
+
+[wal]
+wal_dir                       = "/var/infinity/wal"
+full_checkpoint_interval      = "86400s"
+delta_checkpoint_interval     = "60s"
+wal_compact_threshold         = "1GB"
+
+wal_flush                     = "invalid"  # Changed to "invalid"
+
+[resource]
+resource_dir                  = "/var/infinity/resource"
+
+[persistence]
+persistence_dir               = "/var/infinity/persistence"
diff --git a/test/data/config/test_conf_valid_value.toml b/test/data/config/test_conf_valid_value.toml
new file mode 100644
index 0000000000..d450c4f6e5
--- /dev/null
+++ b/test/data/config/test_conf_valid_value.toml
@@ -0,0 +1,49 @@
+[general]
+version                  = "0.3.0"
+time_zone                = "utc-8"
+cpu_limit                = 2
+
+[network]
+server_address           = "0.0.0.0"
+postgres_port            = 5432
+http_port                = 23820
+client_port              = 23817
+connection_pool_size     = 128
+
+[log]
+log_filename             = "infinity.log"
+log_dir                  = "/var/infinity/log"
+log_to_stdout            = false
+log_file_max_size        = "1GB"
+log_file_rotate_count    = 10
+
+log_level               = "info"
+
+[storage]
+data_dir                 = "/var/infinity/data"
+
+optimize_interval        = "10s"
+cleanup_interval         = "60s"
+compact_interval         = "120s"
+
+mem_index_capacity       = 1048576
+
+[buffer]
+buffer_manager_size      = "4GB"
+lru_num                  = 7
+temp_dir                 = "/var/infinity/tmp"
+memindex_memory_quota   = "1GB"
+
+[wal]
+wal_dir                       = "/var/infinity/wal"
+full_checkpoint_interval      = "86400s"
+delta_checkpoint_interval     = "60s"
+wal_compact_threshold         = "1GB"
+
+wal_flush                     = "only_write"
+
+[resource]
+resource_dir                  = "/var/infinity/resource"
+
+[persistence]
+persistence_dir       = "/var/infinity/persistence"
\ No newline at end of file