diff --git a/app/src/main/java/org/ntlab/irisclient/GameMasterActivity.java b/app/src/main/java/org/ntlab/irisclient/GameMasterActivity.java
index 4309c0b..010d4ed 100644
--- a/app/src/main/java/org/ntlab/irisclient/GameMasterActivity.java
+++ b/app/src/main/java/org/ntlab/irisclient/GameMasterActivity.java
@@ -131,7 +131,6 @@
         Button FinishGuessButton = (Button) findViewById(R.id.finishGuessButton);
         FinishGuessButton.setEnabled(false);
         //FinishGuessButton.setColorFilter(0xaaCCCCCC);
-
     }
 
     private void buttonProcesses(){
diff --git a/app/src/main/res/layout/activity_game_master.xml b/app/src/main/res/layout/activity_game_master.xml
index 127eaa2..b4200f3 100644
--- a/app/src/main/res/layout/activity_game_master.xml
+++ b/app/src/main/res/layout/activity_game_master.xml
@@ -68,6 +68,7 @@
         android:hint="数"
         android:inputType="number"
         android:maxLength="1"
+        android:imeOptions="actionDone"
         app:layout_constraintBottom_toTopOf="@+id/include"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintHorizontal_bias="0.5"