diff --git a/2202/220201-CN.cpp b/2202/220201-CN.cpp
new file mode 100644
index 0000000..9716994
--- /dev/null
+++ b/2202/220201-CN.cpp
@@ -0,0 +1,8 @@
+#include <string>
+
+class Solution {
+public:
+    std::string longestNiceSubstring(const std::string& s) {
+
+    }
+};
\ No newline at end of file
diff --git a/2202/CMakeLists.txt b/2202/CMakeLists.txt
new file mode 100644
index 0000000..8de4ac6
--- /dev/null
+++ b/2202/CMakeLists.txt
@@ -0,0 +1,6 @@
+CMAKE_MINIMUM_REQUIRED(VERSION 3.21)
+PROJECT(2202)
+
+SET(CMAKE_CXX_STANDARD 23)
+
+ADD_EXECUTABLE(2202 220201-CN.cpp)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index d490128..b97de4f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,6 +8,7 @@ SET(CMAKE_CXX_FLAGS "-Wall")
 
 ADD_EXECUTABLE(LeetCodeDaily main.cpp)
 
-ADD_SUBDIRECTORY(2112)
+# ADD_SUBDIRECTORY(2112)
 ADD_SUBDIRECTORY(2201)
+ADD_SUBDIRECTORY(2202)
 ADD_SUBDIRECTORY(more)