diff --git a/src/main/res/drawable/j.png b/src/main/res/drawable/j.png
new file mode 100644
index 0000000..53358e1
Binary files /dev/null and b/src/main/res/drawable/j.png differ
diff --git a/src/main/res/drawable/k.png b/src/main/res/drawable/k.png
new file mode 100644
index 0000000..b950a5d
Binary files /dev/null and b/src/main/res/drawable/k.png differ
diff --git a/src/main/res/drawable/l.png b/src/main/res/drawable/l.png
new file mode 100644
index 0000000..5a1aac8
Binary files /dev/null and b/src/main/res/drawable/l.png differ
diff --git a/src/main/res/drawable/m.png b/src/main/res/drawable/m.png
new file mode 100644
index 0000000..3a64ad7
Binary files /dev/null and b/src/main/res/drawable/m.png differ
diff --git a/src/main/res/layout/activity_choose.xml b/src/main/res/layout/activity_choose.xml
index ecbdf80..ef83f22 100644
--- a/src/main/res/layout/activity_choose.xml
+++ b/src/main/res/layout/activity_choose.xml
@@ -31,4 +31,13 @@
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/textView3" />
+
+
\ No newline at end of file
diff --git a/src/main/res/layout/activity_tool.xml b/src/main/res/layout/activity_tool.xml
index 62aa62c..1d67144 100644
--- a/src/main/res/layout/activity_tool.xml
+++ b/src/main/res/layout/activity_tool.xml
@@ -5,6 +5,116 @@
android:id="@+id/main"
android:layout_width="match_parent"
android:layout_height="match_parent"
+ android:background="#FFFFFF"
tools:context=".ToolActivity">
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file