diff --git a/minesweeper/CmdGame.cpp b/minesweeper/CmdGame.cpp
index 8fc14ce..80e8253 100644
--- a/minesweeper/CmdGame.cpp
+++ b/minesweeper/CmdGame.cpp
@@ -23,13 +23,12 @@ int startCmdGame() {
     GameBoard board;
 
     while(1) {
-        board.unload();
-
         standby(board);
         playing(board);
         int need_restart = ending(board);
+
         if (need_restart)
-            continue;
+            board.unload();
         else
             break;
     }
diff --git a/minesweeper/MineButton.cpp b/minesweeper/MineButton.cpp
index 13d448f..cba74b4 100644
--- a/minesweeper/MineButton.cpp
+++ b/minesweeper/MineButton.cpp
@@ -26,11 +26,11 @@ void MineButton::mouseReleaseEvent(QMouseEvent* event) {
 }
 
 void MineButton::setText(char txt) {
-    QPushButton::setText(QString(txt == (char)GameBoard::Mask::closed ? '\0' : txt));
+    QPushButton::setText(QString(txt));
 
     switch (txt) {
     case (char)GameBoard::Mask::closed:
-        setStyleSheet(BORDER "background-color: grey");
+        setStyleSheet(BORDER "color: grey;" "background-color: grey");
         break;
     case (char)GameBoard::Mask::flag:
         setStyleSheet(BORDER "background-color: blue");