diff --git a/.idea/vcs.xml b/.idea/vcs.xml
index d843f34..94a25f7 100644
--- a/.idea/vcs.xml
+++ b/.idea/vcs.xml
@@ -1,4 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="VcsDirectoryMappings" defaultProject="true" />
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
 </project>
\ No newline at end of file
diff --git a/app/src/main/java/com/serverapk/i9_bl_test/BluetoothHelper.java b/app/src/main/java/com/serverapk/i9_bl_test/BluetoothHelper.java
index f2455ad..e79301e 100644
--- a/app/src/main/java/com/serverapk/i9_bl_test/BluetoothHelper.java
+++ b/app/src/main/java/com/serverapk/i9_bl_test/BluetoothHelper.java
@@ -11,6 +11,9 @@ import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
+/**
+ * @author JoeAllen
+ */
 @SuppressLint("MissingPermission")
 public class BluetoothHelper {
 
diff --git a/app/src/main/java/com/serverapk/i9_bl_test/MainActivity.java b/app/src/main/java/com/serverapk/i9_bl_test/MainActivity.java
index 0c322a9..1e3f223 100644
--- a/app/src/main/java/com/serverapk/i9_bl_test/MainActivity.java
+++ b/app/src/main/java/com/serverapk/i9_bl_test/MainActivity.java
@@ -21,6 +21,9 @@ import com.company.i9sslclient.bluetooth.DeviceInfo;
 import java.util.ArrayList;
 import java.util.List;
 
+/**
+ * @author JoeAllen
+ */
 @SuppressLint("MissingPermission")
 public class MainActivity extends AppCompatActivity {
     private static final String TAG = "MainActivity";
diff --git a/app/src/main/java/com/serverapk/i9_bl_test/ReadCardActivity.java b/app/src/main/java/com/serverapk/i9_bl_test/ReadCardActivity.java
index fe2794b..7b496e5 100644
--- a/app/src/main/java/com/serverapk/i9_bl_test/ReadCardActivity.java
+++ b/app/src/main/java/com/serverapk/i9_bl_test/ReadCardActivity.java
@@ -41,7 +41,7 @@ import java.util.concurrent.ThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
 
 /**
- *
+ * @author JoeAllen
  */
 public class ReadCardActivity extends AppCompatActivity {
     private static final String TAG = "MainActivity";
diff --git a/app/src/main/java/com/serverapk/i9_bl_test/model/CardData.java b/app/src/main/java/com/serverapk/i9_bl_test/model/CardData.java
index d6dd5f8..9081279 100644
--- a/app/src/main/java/com/serverapk/i9_bl_test/model/CardData.java
+++ b/app/src/main/java/com/serverapk/i9_bl_test/model/CardData.java
@@ -4,8 +4,9 @@ import java.io.Serializable;
 
 /**
  * 查询卡的使用扇区和密码保存扇区密码的请求实体
+ *
+ * @author JoeAllen
  */
-
 public class CardData implements Serializable {
     private static final long serialVersionUID = 1L;
 
diff --git a/app/src/main/java/com/serverapk/i9_bl_test/model/CardQuery.java b/app/src/main/java/com/serverapk/i9_bl_test/model/CardQuery.java
index d568238..5e4f201 100644
--- a/app/src/main/java/com/serverapk/i9_bl_test/model/CardQuery.java
+++ b/app/src/main/java/com/serverapk/i9_bl_test/model/CardQuery.java
@@ -2,6 +2,9 @@ package com.serverapk.i9_bl_test.model;
 
 import java.io.Serializable;
 
+/**
+ * @author JoeAllen
+ */
 public class CardQuery implements Serializable {
     private static final long serialVersionUID = 111L;
     private CardData cardInfo;