diff --git a/app/src/main/java/com/pkusz/min_vpn_client/activity/main/MainActivity.java b/app/src/main/java/com/pkusz/min_vpn_client/activity/main/MainActivity.java
index 9bbf935..a42f8f0 100644
--- a/app/src/main/java/com/pkusz/min_vpn_client/activity/main/MainActivity.java
+++ b/app/src/main/java/com/pkusz/min_vpn_client/activity/main/MainActivity.java
@@ -38,6 +38,7 @@ import org.jetbrains.annotations.Nullable;
 
 import java.util.HashSet;
 import java.util.Set;
+import java.util.function.Function;
 import java.util.stream.Collectors;
 
 import cn.qjm253.quick_android_base.extensions.ContextExtensionKt;
@@ -122,7 +123,7 @@ public class MainActivity extends MINVpnBaseActivity<MainActivityPresenter>
             public void onCheckedChanged(RadioGroup group, int checkedId) {
                 if(!isConnected){
                     // 执行连接流程
-
+                    connectVpn();
                 }else{
                     // 执行断开流程
                     disconnectVpn();
@@ -161,6 +162,7 @@ public class MainActivity extends MINVpnBaseActivity<MainActivityPresenter>
      * 连接VPN服务器
      */
     private void connectVpn(){
+        System.out.println("我要开始连接了");
         Set<String> packageNames = new HashSet<>();
         packageNames.add("com.pkusz.min_vpn_client");
         if (!checkPackages(packageNames)) {
@@ -168,8 +170,10 @@ public class MainActivity extends MINVpnBaseActivity<MainActivityPresenter>
         }
         Intent intent = VpnService.prepare(this);
         if (intent != null) {
+            System.out.println("用户尚未授权过开启VPN连接，请求用户授权...");
             startActivityForResult(intent, 0);
         } else {
+            System.out.println("用户已经授权，准备开始VPN连接...");
             onActivityResult(0, Activity.RESULT_OK, null);
         }
     }
@@ -181,9 +185,9 @@ public class MainActivity extends MINVpnBaseActivity<MainActivityPresenter>
      * @return
      */
     private boolean checkPackages(Set<String> packageNames){
-        boolean hasCorrectPackageNames = packageNames.isEmpty() ||
+        @SuppressLint("QueryPermissionsNeeded") boolean hasCorrectPackageNames = packageNames.isEmpty() ||
                 getPackageManager().getInstalledPackages(0).stream()
-                        .map(PackageInfo::describeContents)
+                        .map(packageInfo -> packageInfo.packageName)
                     .collect(Collectors.toSet())
                 .containsAll(packageNames);
         if (!hasCorrectPackageNames) {
diff --git a/app/src/main/java/com/pkusz/min_vpn_client/activity/setting/SettingActivity.java b/app/src/main/java/com/pkusz/min_vpn_client/activity/setting/SettingActivity.java
index 72b5f56..9ffd112 100644
--- a/app/src/main/java/com/pkusz/min_vpn_client/activity/setting/SettingActivity.java
+++ b/app/src/main/java/com/pkusz/min_vpn_client/activity/setting/SettingActivity.java
@@ -112,6 +112,7 @@ public class SettingActivity extends MINVpnBaseActivity<SettingActivityPresenter
             MINVpnSettingAPI.INSTANCE.updateMirPort(Integer.parseInt(mirPort));
             MINVpnSettingAPI.INSTANCE.updateServicePrefix(servicePrefix);
             MINVpnSettingAPI.INSTANCE.updateEncryptedConfig(isEncrypted);
+            System.out.println(MINVpnSettingAPI.INSTANCE);
 
             // 显示保存成功的弹窗
             btnSaveSetting.postDelayed(() -> {
diff --git a/app/src/main/java/com/pkusz/min_vpn_client/services/MINVpnService.java b/app/src/main/java/com/pkusz/min_vpn_client/services/MINVpnService.java
index a198131..5462942 100644
--- a/app/src/main/java/com/pkusz/min_vpn_client/services/MINVpnService.java
+++ b/app/src/main/java/com/pkusz/min_vpn_client/services/MINVpnService.java
@@ -83,10 +83,12 @@ public class MINVpnService extends VpnService implements Handler.Callback{
     public int onStartCommand(Intent intent, int flags, int startId) {
         // 根据intent传递的消息进行vpn的连接或断开操作
         if (intent != null && ACTION_DISCONNECT.equals(intent.getAction())) {
+            System.out.println("onStartCommand-disconnecting...");
             disconnect();
             EventBus.getDefault().postSticky(new ConnectEvent(true, false));
             return START_NOT_STICKY;
         } else {
+            System.out.println("onStartCommand-connecting...");
             connect();
             return START_STICKY;
         }