1.优化代码

game/src/main/res/layout/activity_game_introduction.xml

@@ -122,6 +122,10 @@
             android:layout_height="@dimen/divider_87px"
             android:layout_marginStart="@dimen/divider_90px"
             android:background="@drawable/bg_start_game"
+            android:gravity="center"
+            android:text="@string/started_training"
+            android:textColor="@android:color/white"
+            android:textSize="@dimen/divider_28px"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintStart_toEndOf="@+id/tvRecord"
             app:layout_constraintTop_toBottomOf="@+id/gameCardLayout" />

game/src/main/res/values/strings.xml

@@ -1,3 +1,3 @@
-<resources>
-
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <string name="started_training" tools:ignore="ResourceName">开始训练</string>
 </resources>