diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7148a23..6486322 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,8 +20,8 @@ cmake_minimum_required(VERSION 3.0.0)
 
 project(TTKTinyTools)
 
-set(TTK_MAJOR_VERSION 2)
-set(TTK_MINOR_VERSION 8)
+set(TTK_MAJOR_VERSION 3)
+set(TTK_MINOR_VERSION 0)
 set(TTK_PATCH_VERSION 0)
 set(TTK_VERSION "${TTK_MAJOR_VERSION}.${TTK_MINOR_VERSION}.${TTK_PATCH_VERSION}.0")
 
diff --git a/ChangeLog b/ChangeLog
index 7b11f73..0576485 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,4 @@
-v2.8.0.0 Final 2024.03.29
+v3.0.0.0 Final 2024.12.05
 优化部分交互逻辑
 优化其他一些细节
 
diff --git a/Doxyfile b/Doxyfile
index 46a59ce..4162588 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -5,7 +5,7 @@
 #---------------------------------------------------------------------------
 DOXYFILE_ENCODING      = UTF-8
 PROJECT_NAME           = TTKTinyTools
-PROJECT_NUMBER         = 2.8.0.0
+PROJECT_NUMBER         = 3.0.0.0
 PROJECT_BRIEF          = "TTKTinyTools是基于Qt的自定义小工具集合"
 PROJECT_LOGO           = TTKUtils/resource/qicon.dll
 OUTPUT_DIRECTORY       = TTKDocs
diff --git a/TTKCommon/TTKRun/ttkrunobject.cpp b/TTKCommon/TTKRun/ttkrunobject.cpp
index f685ee8..f490119 100644
--- a/TTKCommon/TTKRun/ttkrunobject.cpp
+++ b/TTKCommon/TTKRun/ttkrunobject.cpp
@@ -37,7 +37,7 @@ void TTKRunObject::run(int argc, char **argv) const
             }
 
             args.append(TTK_STR_QUOTES(arg));
-            args.append(" ");
+            args.append(TTK_SPACE);
         }
     }
 
@@ -66,6 +66,6 @@ void TTKRunObject::run(int argc, char **argv) const
         }
     }
 
-    system((filePath + suffix + " " + args).c_str());
+    system((filePath + suffix + TTK_SPACE + args).c_str());
 #endif
 }
diff --git a/TTKCommon/TTKRun/ttkrunobject.h b/TTKCommon/TTKRun/ttkrunobject.h
index 6daf23d..7400a6d 100644
--- a/TTKCommon/TTKRun/ttkrunobject.h
+++ b/TTKCommon/TTKRun/ttkrunobject.h
@@ -21,7 +21,7 @@
 
 #include "ttkobject.h"
 
-#ifdef _MSC_VER
+#ifdef _MSC_VER // do not show console window
 #  pragma comment(linker, "/subsystem:\"windows\" /entry:\"mainCRTStartup\"")
 #endif
 
diff --git a/TTKCommon/ttkversion.h b/TTKCommon/ttkversion.h
index e09fd60..65681c7 100644
--- a/TTKCommon/ttkversion.h
+++ b/TTKCommon/ttkversion.h
@@ -19,14 +19,14 @@
  * with this program; If not, see <http://www.gnu.org/licenses/>.
  ***************************************************************************/
 
-//update time 2024.03.28
-#define TTK_MAJOR_VERSION 2
-#define TTK_MINOR_VERSION 8
+//update time 2024.12.05
+#define TTK_MAJOR_VERSION 3
+#define TTK_MINOR_VERSION 0
 #define TTK_PATCH_VERSION 0
 
 #define TTK_VERSION             TTK_VERSION_CHECK(TTK_MAJOR_VERSION, TTK_MINOR_VERSION, TTK_PATCH_VERSION, 0)
 #define TTK_VERSION_STR         TTK_VERSION_CHECK_STR(TTK_MAJOR_VERSION, TTK_MINOR_VERSION, TTK_PATCH_VERSION, 0)
-#define TTK_VERSION_TIME_STR    "(2024/03/28)"
+#define TTK_VERSION_TIME_STR    "(2024/12/05)"
 
 #define TTK_RC_FILEVERSION      TTK_MAJOR_VERSION, TTK_MINOR_VERSION, TTK_PATCH_VERSION, 0
 #define TTK_RC_PRODUCTVERSION   TTK_VERSION_STR
diff --git a/TTKUtils/linux_time.sh b/TTKUtils/linux_time.sh
index 73b8473..bf18602 100644
--- a/TTKUtils/linux_time.sh
+++ b/TTKUtils/linux_time.sh
@@ -1,2 +1,2 @@
 #!/bin/sh  
-find . -exec touch -c -m -d "2024-03-28 12:00" {} \;
+find . -exec touch -c -m -d "2024-12-05 12:00" {} \;
diff --git a/TTKVersion.pri b/TTKVersion.pri
index cfb5d7f..f30942f 100644
--- a/TTKVersion.pri
+++ b/TTKVersion.pri
@@ -23,5 +23,5 @@ RCC_DIR = ./.build/rcc
 
 greaterThan(QT_MAJOR_VERSION, 4): DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x050400 QT_DEPRECATED_WARNINGS
 
-# update time 2024.03.28
-TTK_VERSION = 2.8.0.0
+# update time 2024.12.05
+TTK_VERSION = 3.0.0.0