1.优化代码

home/src/main/res/layout/activity_home.xml

@@ -36,6 +36,7 @@
                 android:id="@+id/headLayout"
                 android:layout_width="0dp"
                 android:layout_height="wrap_content"
+                android:layout_marginTop="@dimen/divider_20px"
                 app:layout_constraintEnd_toStartOf="@id/functionLayout"
                 app:layout_constraintHorizontal_weight="1"
                 app:layout_constraintStart_toStartOf="parent"
@@ -45,7 +46,6 @@
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
                     android:layout_marginStart="@dimen/divider_101px"
-                    android:layout_marginTop="@dimen/divider_30px"
                     android:layout_marginEnd="@dimen/divider_31px"
                     android:background="@drawable/bg_home_title"
                     android:gravity="center"
@@ -66,9 +66,9 @@
                     android:layout_width="@dimen/divider_80px"
                     android:layout_height="@dimen/divider_80px"
                     android:layout_marginStart="@dimen/divider_53px"
-                    android:layout_marginTop="@dimen/divider_20px"
                     app:border_color="@android:color/transparent"
                     app:border_width="0dp"
+                    app:layout_constraintBottom_toBottomOf="parent"
                     app:layout_constraintStart_toStartOf="parent"
                     app:layout_constraintTop_toTopOf="parent"
                     app:loadHeadImg="@{User.INSTANCE.avatar}" />