diff --git a/Minesweeper.cpp b/Minesweeper.cpp
index bb6bb25..a4a7b63 100644
--- a/Minesweeper.cpp
+++ b/Minesweeper.cpp
@@ -36,6 +36,13 @@ int main()
     return 0;
 }
 
+void copyrightNotice() {
+    std::cout << "Author: Zhang Anjun" << std::endl
+        << "Version: 1.1" << std::endl
+        << "(C) 2025 Zhang Anjun. All rights reserved."
+        << std::endl << std::endl;
+}
+
 void minesweeper()
 {
     char command;
@@ -53,6 +60,7 @@ void minesweeper()
         result = getResult(board, maxRow, maxCol, mineCount);
     }
     displayBoard(board, result, row, col, maxRow, maxCol, mineCount);
+    copyrightNotice();
     if (result == 1) {
         std::cout << "Congratulations, you won this game!" << std::endl;
     }
diff --git a/Minesweeper.h b/Minesweeper.h
index 67bb4ed..f9bd15d 100644
--- a/Minesweeper.h
+++ b/Minesweeper.h
@@ -15,6 +15,8 @@ struct Cell {
     int mineNum;
 };
 
+void copyrightNotice();
+
 void minesweeper();
 
 void initBoard(Cell(*ptrBoard)[9], const int maxRow, const int maxCol);