diff --git a/.cmake/sak_i18n.cmake b/.cmake/sak_i18n.cmake
index af6e5dd2..1c5da196 100644
--- a/.cmake/sak_i18n.cmake
+++ b/.cmake/sak_i18n.cmake
@@ -1,72 +1 @@
-function(sak_add_lupdate)
-  set(LUPDATE "${Qt${QT_VERSION_MAJOR}_DIR}/../../../bin/lupdate.exe")
-  set(LRELEASE "${Qt${QT_VERSION_MAJOR}_DIR}/../../../bin/lrelease.exe")
-
-  # Create ts file.
-  set(COMMON_STR ${LUPDATE} ${CMAKE_SOURCE_DIR} -no-obsolete -ts)
-  add_custom_target(
-    sak_lupdate
-    COMMAND ${COMMON_STR} ${CMAKE_SOURCE_DIR}/resources/translations/sak_en.ts
-    COMMAND ${COMMON_STR} ${CMAKE_SOURCE_DIR}/resources/translations/sak_zh_CN.ts
-    # COMMAND ${COMMON_STR} ${CMAKE_SOURCE_DIR}/resources/translations/sak_ar.ts
-    # COMMAND ${COMMON_STR} ${CMAKE_SOURCE_DIR}/resources/translations/sak_cs.ts
-    # COMMAND ${COMMON_STR} ${CMAKE_SOURCE_DIR}/resources/translations/sak_da.ts
-    # COMMAND ${COMMON_STR} ${CMAKE_SOURCE_DIR}/resources/translations/sak_de.ts
-    # COMMAND ${COMMON_STR} ${CMAKE_SOURCE_DIR}/resources/translations/sak_es.ts
-    # COMMAND ${COMMON_STR} ${CMAKE_SOURCE_DIR}/resources/translations/sak_fa.ts
-    # COMMAND ${COMMON_STR} ${CMAKE_SOURCE_DIR}/resources/translations/sak_fi.ts
-    # COMMAND ${COMMON_STR} ${CMAKE_SOURCE_DIR}/resources/translations/sak_fr.ts
-    # COMMAND ${COMMON_STR} ${CMAKE_SOURCE_DIR}/resources/translations/sak_he.ts
-    # COMMAND ${COMMON_STR} ${CMAKE_SOURCE_DIR}/resources/translations/sak_uk.ts
-    # COMMAND ${COMMON_STR} ${CMAKE_SOURCE_DIR}/resources/translations/sak_it.ts
-    # COMMAND ${COMMON_STR} ${CMAKE_SOURCE_DIR}/resources/translations/sak_ja.ts
-    # COMMAND ${COMMON_STR} ${CMAKE_SOURCE_DIR}/resources/translations/sak_ko.ts
-    # COMMAND ${COMMON_STR} ${CMAKE_SOURCE_DIR}/resources/translations/sak_lt.ts
-    # COMMAND ${COMMON_STR} ${CMAKE_SOURCE_DIR}/resources/translations/sak_pl.ts
-    # COMMAND ${COMMON_STR} ${CMAKE_SOURCE_DIR}/resources/translations/sak_pt.ts
-    # COMMAND ${COMMON_STR} ${CMAKE_SOURCE_DIR}/resources/translations/sak_ru.ts
-    # COMMAND ${COMMON_STR} ${CMAKE_SOURCE_DIR}/resources/translations/sak_sk.ts
-    # COMMAND ${COMMON_STR} ${CMAKE_SOURCE_DIR}/resources/translations/sak_sl.ts
-    # COMMAND ${COMMON_STR} ${CMAKE_SOURCE_DIR}/resources/translations/sak_sv.ts
-    SOURCES .cmake/sak_i18n.cmake
-    VERBATIM)
-endfunction()
-
-function(sak_add_lrelease)
-  # Create qm file.
-  add_custom_target(
-    sak_lrelease
-    COMMAND ${LRELEASE} -compress ${CMAKE_SOURCE_DIR}/resources/translations/sak_en.ts
-    COMMAND ${LRELEASE} -compress ${CMAKE_SOURCE_DIR}/resources/translations/sak_zh_CN.ts
-    # COMMAND ${LRELEASE} -compress ${CMAKE_SOURCE_DIR}/resources/translations/sak_ar.ts
-    # COMMAND ${LRELEASE} -compress ${CMAKE_SOURCE_DIR}/resources/translations/sak_cs.ts
-    # COMMAND ${LRELEASE} -compress ${CMAKE_SOURCE_DIR}/resources/translations/sak_da.ts
-    # COMMAND ${LRELEASE} -compress ${CMAKE_SOURCE_DIR}/resources/translations/sak_de.ts
-    # COMMAND ${LRELEASE} -compress ${CMAKE_SOURCE_DIR}/resources/translations/sak_es.ts
-    # COMMAND ${LRELEASE} -compress ${CMAKE_SOURCE_DIR}/resources/translations/sak_fa.ts
-    # COMMAND ${LRELEASE} -compress ${CMAKE_SOURCE_DIR}/resources/translations/sak_fi.ts
-    # COMMAND ${LRELEASE} -compress ${CMAKE_SOURCE_DIR}/resources/translations/sak_fr.ts
-    # COMMAND ${LRELEASE} -compress ${CMAKE_SOURCE_DIR}/resources/translations/sak_he.ts
-    # COMMAND ${LRELEASE} -compress ${CMAKE_SOURCE_DIR}/resources/translations/sak_uk.ts
-    # COMMAND ${LRELEASE} -compress ${CMAKE_SOURCE_DIR}/resources/translations/sak_it.ts
-    # COMMAND ${LRELEASE} -compress ${CMAKE_SOURCE_DIR}/resources/translations/sak_ja.ts
-    # COMMAND ${LRELEASE} -compress ${CMAKE_SOURCE_DIR}/resources/translations/sak_ko.ts
-    # COMMAND ${LRELEASE} -compress ${CMAKE_SOURCE_DIR}/resources/translations/sak_lt.ts
-    # COMMAND ${LRELEASE} -compress ${CMAKE_SOURCE_DIR}/resources/translations/sak_pl.ts
-    # COMMAND ${LRELEASE} -compress ${CMAKE_SOURCE_DIR}/resources/translations/sak_pt.ts
-    # COMMAND ${LRELEASE} -compress ${CMAKE_SOURCE_DIR}/resources/translations/sak_ru.ts
-    # COMMAND ${LRELEASE} -compress ${CMAKE_SOURCE_DIR}/resources/translations/sak_sk.ts
-    # COMMAND ${LRELEASE} -compress ${CMAKE_SOURCE_DIR}/resources/translations/sak_sl.ts
-    # COMMAND ${LRELEASE} -compress ${CMAKE_SOURCE_DIR}/resources/translations/sak_sv.ts
-    SOURCES .cmake/sak_i18n.cmake
-    VERBATIM)
-
-  add_dependencies(sak_lrelease sak_lupdate)
-
-  # Auto create ts files and qm files.
-  option(SAK_AUTO_I18N "" OFF)
-  if(SAK_AUTO_I18N)
-    add_custom_target(sak_i18n ALL)
-    add_dependencies(sak_i18n sak_lrelease)
-  endif()
-endfunction()
+# Nothing
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8a0b7765..f8cb329b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -57,9 +57,6 @@ sak_git_get_last_tag(${CMAKE_CURRENT_SOURCE_DIR} "SAK")
 # Assistant module.
 include_directories(src/assistants)
 include_directories(src/assistantsui)
-include(${CMAKE_SOURCE_DIR}/.cmake/sak_i18n.cmake)
-sak_add_lupdate()
-sak_add_lrelease()
 
 # Glog module.
 option(SAK_USING_GLOG "Using glog module." ON)
@@ -204,6 +201,8 @@ if(SAK_IMPORT_MODULE_BLUETOOTH)
   target_link_libraries(QtSwissArmyKnife PRIVATE Qt${QT_VERSION_MAJOR}::Bluetooth)
 endif()
 
+add_subdirectory(resources/translations)
+
 install(
   TARGETS QtSwissArmyKnife
   BUNDLE DESTINATION .
@@ -233,7 +232,8 @@ endif()
 # The private module is not open source.
 option(SAK_ENABLE_APP_PRIVATE "Do not change the option unless you are the author" OFF)
 if(SAK_ENABLE_APP_PRIVATE)
+  sak_add_subdirectory("nodeeditor-3.0.10")
   if(NOT Qt6_VERSION VERSION_LESS "6.5.0")
-    include(${CMAKE_SOURCE_DIR}/src/private/private.cmake)
+    add_subdirectory(${CMAKE_SOURCE_DIR}/src/private)
   endif()
 endif()
diff --git a/src/private/CMakeLists.txt b/src/private/CMakeLists.txt
index d5e85e90..b7fd603e 100644
--- a/src/private/CMakeLists.txt
+++ b/src/private/CMakeLists.txt
@@ -1,9 +1,9 @@
-include(.cmake/sak_common.cmake)
+include(${CMAKE_SOURCE_DIR}/.cmake/sak_common.cmake)
 
 file(
   GLOB dirs
   LIST_DIRECTORIES true
-  "${CMAKE_SOURCE_DIR}/src/private/*")
+  "${CMAKE_CURRENT_SOURCE_DIR}/*")
 list(REMOVE_ITEM dirs "common")
 set(SAK_HAS_PRIVATE_MODULE false)
 
@@ -15,17 +15,10 @@ foreach(dir ${dirs})
   endif()
 endforeach()
 
-if(${SAK_HAS_PRIVATE_MODULE})
-  sak_add_subdirectory("nodeeditor-3.0.10")
-  add_compile_definitions(SAK_IMPORT_MODULE_PRIVATE)
-endif()
-
 foreach(dir ${dirs})
   if(IS_DIRECTORY ${dir})
     file(RELATIVE_PATH cooked_dir ${CMAKE_SOURCE_DIR} ${dir})
-    if(NOT ${cooked_dir} STREQUAL "src/private/common")
-      add_subdirectory(${cooked_dir})
-    endif()
+    add_subdirectory(${CMAKE_SOURCE_DIR}/${cooked_dir})
   endif()
 endforeach()
 
@@ -34,5 +27,4 @@ add_custom_target(
   COMMAND git clone https://gitee.com/qsaker-qsak/fluent2.git ./fluent2
   COMMAND git clone https://gitee.com/qsaker-qsak/easydebug.git ./easydebug
   COMMAND git clone https://gitee.com/qsaker-qsak/dataflowstudio.git ./dataflowstudio
-  SOURCES ${CMAKE_SOURCE_DIR}/src/private/private.cmake
   WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/src/private)