diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 2e0eee6..a80972c 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -7,4 +7,4 @@ add_subdirectory(ip_reassembly)
 add_subdirectory(tcp_reassembly)
 add_subdirectory(session)
 add_subdirectory(plugin)
-add_subdirectory(stellar)
\ No newline at end of file
+add_subdirectory(core)
\ No newline at end of file
diff --git a/src/stellar/CMakeLists.txt b/src/core/CMakeLists.txt
similarity index 75%
rename from src/stellar/CMakeLists.txt
rename to src/core/CMakeLists.txt
index f7b3826..02d6c83 100644
--- a/src/stellar/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -1,9 +1,9 @@
 set(SOURCE stellar_config.cpp stellar_stat.cpp stellar_core.cpp)
 set(LIBRARY session_manager plugin_manager ip_reassembly packet_io packet pthread fieldstat4 toml)
 
-add_library(stellar_core STATIC ${SOURCE})
-target_link_libraries(stellar_core PUBLIC ${LIBRARY})
-target_include_directories(stellar_core PUBLIC ${CMAKE_SOURCE_DIR}/src/utils)
+add_library(core STATIC ${SOURCE})
+target_link_libraries(core PUBLIC ${LIBRARY})
+target_include_directories(core PUBLIC ${CMAKE_SOURCE_DIR}/src/utils)
 
 add_library(stellar_devel SHARED ${SOURCE})
 set_target_properties(stellar_devel PROPERTIES LINK_FLAGS "-Wl,--version-script=${CMAKE_CURRENT_LIST_DIR}/version.map")
@@ -11,7 +11,7 @@ target_link_libraries(stellar_devel PRIVATE -Wl,--whole-archive ${LIBRARY} -Wl,-
 target_include_directories(stellar_devel PUBLIC ${CMAKE_SOURCE_DIR}/src/utils)
 
 add_executable(stellar main.cpp)
-target_link_libraries(stellar PRIVATE -Wl,--whole-archive stellar_core ${LIBRARY} -Wl,--no-whole-archive)
+target_link_libraries(stellar PRIVATE -Wl,--whole-archive core ${LIBRARY} -Wl,--no-whole-archive)
 target_link_libraries(stellar PRIVATE "-rdynamic")
 set_target_properties(stellar PROPERTIES LINK_FLAGS "-Wl,--version-script=${CMAKE_CURRENT_LIST_DIR}/version.map")
 
diff --git a/src/stellar/main.cpp b/src/core/main.cpp
similarity index 100%
rename from src/stellar/main.cpp
rename to src/core/main.cpp
diff --git a/src/stellar/stellar_config.cpp b/src/core/stellar_config.cpp
similarity index 100%
rename from src/stellar/stellar_config.cpp
rename to src/core/stellar_config.cpp
diff --git a/src/stellar/stellar_config.h b/src/core/stellar_config.h
similarity index 100%
rename from src/stellar/stellar_config.h
rename to src/core/stellar_config.h
diff --git a/src/stellar/stellar_core.cpp b/src/core/stellar_core.cpp
similarity index 98%
rename from src/stellar/stellar_core.cpp
rename to src/core/stellar_core.cpp
index 99c2c54..7d033d9 100644
--- a/src/stellar/stellar_core.cpp
+++ b/src/core/stellar_core.cpp
@@ -9,7 +9,6 @@
 #include <sys/prctl.h>
 
 #include "log.h"
-#include "logo.h"
 #include "utils.h"
 #include "packet_io.h"
 #include "packet_private.h"
@@ -31,6 +30,13 @@ static __attribute__((__used__)) const char *version = STELLAR_GIT_VERSION;
 static __attribute__((__used__)) const char *version = "Unknown";
 #endif
 
+static const char logo_str[] =
+    "        _            _   _\n"
+    "  ___  | |_    ___  | | | |   __ _   _ __\n"
+    " / __| | __|  / _ \\ | | | |  / _` | | '__|\n"
+    " \\__ \\ | |_  |  __/ | | | | | (_| | | |\n"
+    " |___/  \\__|  \\___| |_| |_|  \\__,_| |_|\n";
+
 struct schedule_data
 {
     uint64_t last_free_expired_session_timestamp;
diff --git a/src/stellar/stellar_core.h b/src/core/stellar_core.h
similarity index 100%
rename from src/stellar/stellar_core.h
rename to src/core/stellar_core.h
diff --git a/src/stellar/stellar_stat.cpp b/src/core/stellar_stat.cpp
similarity index 100%
rename from src/stellar/stellar_stat.cpp
rename to src/core/stellar_stat.cpp
diff --git a/src/stellar/stellar_stat.h b/src/core/stellar_stat.h
similarity index 100%
rename from src/stellar/stellar_stat.h
rename to src/core/stellar_stat.h
diff --git a/src/stellar/version.map b/src/core/version.map
similarity index 100%
rename from src/stellar/version.map
rename to src/core/version.map
diff --git a/src/packet/packet_builder.cpp b/src/packet/packet_builder.cpp
index 2df0aee..3342a23 100644
--- a/src/packet/packet_builder.cpp
+++ b/src/packet/packet_builder.cpp
@@ -5,7 +5,6 @@
 #include "packet_private.h"
 #include "packet_helper.h"
 #include "packet_parser.h"
-#include "packet_builder.h"
 
 #define PACKET_CRAFT_LOG_DEBUG(format, ...) LOG_DEBUG("packet craft", format, ##__VA_ARGS__)
 #define PACKET_CRAFT_LOG_ERROR(format, ...) LOG_ERROR("packet craft", format, ##__VA_ARGS__)
diff --git a/src/packet/test/gtest_packet_builder.cpp b/src/packet/test/gtest_packet_builder.cpp
index ad780b6..0b9a8e7 100644
--- a/src/packet/test/gtest_packet_builder.cpp
+++ b/src/packet/test/gtest_packet_builder.cpp
@@ -6,7 +6,6 @@
 #include "packet_private.h"
 #include "packet_dump.h"
 #include "packet_parser.h"
-#include "packet_builder.h"
 
 #define PRINT_GREEN(fmt, ...) printf("\033[0;32m" fmt "\033[0m\n", ##__VA_ARGS__)
 #define PRINT_RED(fmt, ...) printf("\033[0;31m" fmt "\033[0m\n", ##__VA_ARGS__)
diff --git a/src/plugin/plugin_manager.cpp b/src/plugin/plugin_manager.cpp
index c1dd859..42d1cc9 100644
--- a/src/plugin/plugin_manager.cpp
+++ b/src/plugin/plugin_manager.cpp
@@ -4,7 +4,7 @@
 #include "toml/toml.h"
 #include "uthash/utlist.h"
 
-#include "stellar/stellar_core.h"
+#include "core/stellar_core.h"
 #include "session/session_utils.h"
 #include "tuple/tuple.h"
 #include "packet/packet_private.h"
diff --git a/src/snowflake/CMakeLists.txt b/src/snowflake/CMakeLists.txt
index 10da58d..e68faa6 100644
--- a/src/snowflake/CMakeLists.txt
+++ b/src/snowflake/CMakeLists.txt
@@ -2,4 +2,4 @@ add_library(snowflake snowflake.cpp)
 target_include_directories(snowflake PUBLIC ${CMAKE_CURRENT_LIST_DIR})
 target_include_directories(snowflake PUBLIC ${CMAKE_SOURCE_DIR}/src/utils)
 target_include_directories(snowflake PUBLIC ${CMAKE_SOURCE_DIR}/include/stellar)
-target_link_libraries(snowflake stellar_core)
\ No newline at end of file
+target_link_libraries(snowflake core)
\ No newline at end of file
diff --git a/src/stellar/logo.h b/src/stellar/logo.h
deleted file mode 100644
index 2bd85b9..0000000
--- a/src/stellar/logo.h
+++ /dev/null
@@ -1,24 +0,0 @@
-#pragma once
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif
-
-/*        _            _   _
- *  ___  | |_    ___  | | | |   __ _   _ __
- * / __| | __|  / _ \ | | | |  / _` | | '__|
- * \__ \ | |_  |  __/ | | | | | (_| | | |
- * |___/  \__|  \___| |_| |_|  \__,_| |_|
- */
-
-static const char logo_str[] =
-    "        _            _   _\n"
-    "  ___  | |_    ___  | | | |   __ _   _ __\n"
-    " / __| | __|  / _ \\ | | | |  / _` | | '__|\n"
-    " \\__ \\ | |_  |  __/ | | | | | (_| | | |\n"
-    " |___/  \\__|  \\___| |_| |_|  \\__,_| |_|\n";
-
-#ifdef __cplusplus
-}
-#endif