diff --git a/Notes-master/res/color/primary_text_dark.xml b/Notes-master/res/color/primary_text_dark.xml
index 7c85459..b21466f 100644
--- a/Notes-master/res/color/primary_text_dark.xml
+++ b/Notes-master/res/color/primary_text_dark.xml
@@ -15,8 +15,12 @@
      limitations under the License.
 -->
 
+
+<!--在颜色选择器中-->
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
   <item android:state_pressed="true" android:color="#88555555" />
+  <!--android:state_pressed用于表示视图按下时的状态（true为当点击或触摸该控件时的状态）-->
   <item android:state_selected="true" android:color="#ff999999" />
+  <!--android:state_selected用于表示视图被选择时的状态（true表示被选择的状态）-->
   <item android:color="#ff000000" />
 </selector>
\ No newline at end of file