diff --git a/.gradle/7.5/fileHashes/fileHashes.lock b/.gradle/7.5/fileHashes/fileHashes.lock
index 187346e..00a44f3 100644
Binary files a/.gradle/7.5/fileHashes/fileHashes.lock and b/.gradle/7.5/fileHashes/fileHashes.lock differ
diff --git a/.gradle/buildOutputCleanup/buildOutputCleanup.lock b/.gradle/buildOutputCleanup/buildOutputCleanup.lock
index 3ea7f41..9333a3f 100644
Binary files a/.gradle/buildOutputCleanup/buildOutputCleanup.lock and b/.gradle/buildOutputCleanup/buildOutputCleanup.lock differ
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
index 9025680..83ad373 100644
--- a/.idea/vcs.xml
+++ b/.idea/vcs.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
     <mapping directory="$PROJECT_DIR$/MINOTES" vcs="Git" />
     <mapping directory="$PROJECT_DIR$/app/MINOTEScauc636" vcs="Git" />
   </component>
diff --git a/app/src/main/java/net/micode/notes/data/Contact.java b/app/src/main/java/net/micode/notes/data/Contact.java
index d97ac5d..d69fb98 100644
--- a/app/src/main/java/net/micode/notes/data/Contact.java
+++ b/app/src/main/java/net/micode/notes/data/Contact.java
@@ -26,8 +26,8 @@ import android.util.Log;
 import java.util.HashMap;
 
 public class Contact {
-    private static HashMap<String, String> sContactCache;
-    private static final String TAG = "Contact";
+    private static HashMap<String, String> sContactCache;//建立哈希表
+    private static final String TAG = "Contact";//设置TAG值为'联系'
 
     private static final String CALLER_ID_SELECTION = "PHONE_NUMBERS_EQUAL(" + Phone.NUMBER
     + ",?) AND " + Data.MIMETYPE + "='" + Phone.CONTENT_ITEM_TYPE + "'"