diff --git a/2024/11/CMakeLists.txt b/2024/11/CMakeLists.txt
index b60b5d9..eb71a94 100644
--- a/2024/11/CMakeLists.txt
+++ b/2024/11/CMakeLists.txt
@@ -14,7 +14,7 @@ endif()
 message("Build type is [${CMAKE_BUILD_TYPE}]")
 
 
-project(algorithm_2024)
+project(algorithm_2024_11)
 
 include_directories(${CMAKE_CURRENT_LIST_DIR}/src/include)
 
diff --git a/2024/11/src/HelloWorld/helloworld.cpp b/2024/11/src/HelloWorld/helloworld.cpp
deleted file mode 100644
index 306d215..0000000
--- a/2024/11/src/HelloWorld/helloworld.cpp
+++ /dev/null
@@ -1,4 +0,0 @@
-#include <iostream>
-int main(){
-    std::cout<<"Hello world"<<'\n';
-}
\ No newline at end of file