diff --git a/app/src/main/res/layout/fragment_test_right_exp_reference.xml b/app/src/main/res/layout/fragment_test_right_exp_reference.xml
index adfb335..cef843c 100644
--- a/app/src/main/res/layout/fragment_test_right_exp_reference.xml
+++ b/app/src/main/res/layout/fragment_test_right_exp_reference.xml
@@ -20,31 +20,33 @@
 
         <TextView
             android:id="@+id/tv_subtitle1"
-            android:layout_width="wrap_content"
+            android:layout_width="0dp"
             android:layout_height="wrap_content"
             android:text="@string/step1"
             android:layout_marginTop="16dp"
             android:layout_marginStart="16dp"
             android:layout_marginEnd="16dp"
             style="@style/title2"
+            app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/tv_title" />
 
         <TextView
             android:id="@+id/tv_subtitle2"
-            android:layout_width="wrap_content"
+            android:layout_width="0dp"
             android:layout_height="wrap_content"
             android:text="@string/step2"
             android:layout_marginTop="8dp"
             android:layout_marginStart="16dp"
             android:layout_marginEnd="16dp"
             style="@style/title2"
+            app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/tv_subtitle1" />
 
         <Button
             android:id="@+id/btn_set_reference"
-            android:layout_width="172dp"
+            android:layout_width="192dp"
             android:layout_height="wrap_content"
             android:layout_margin="16dp"
             android:clickable="false"