diff --git a/mirai-api/src/main/java/net/mamoe/mirai/Bot.java b/mirai-api/src/main/java/net/mamoe/mirai/Bot.java
index 9f4952b3c..5126fbd75 100644
--- a/mirai-api/src/main/java/net/mamoe/mirai/Bot.java
+++ b/mirai-api/src/main/java/net/mamoe/mirai/Bot.java
@@ -42,6 +42,14 @@ public class Bot {
         return new ArrayList<>();
     }
 
+    public void addGroup(){
+
+    }
+
+    public void quitGroup(){
+
+    }
+
     public void sendGroupMessage(long group, String message){
 
     }
diff --git a/mirai-api/src/main/java/net/mamoe/mirai/MiraiAPI.java b/mirai-api/src/main/java/net/mamoe/mirai/MiraiAPI.java
index aed68ca65..c77d268b6 100644
--- a/mirai-api/src/main/java/net/mamoe/mirai/MiraiAPI.java
+++ b/mirai-api/src/main/java/net/mamoe/mirai/MiraiAPI.java
@@ -18,6 +18,20 @@ import java.util.List;
  *         for only using                , you should refer to Mirai-API
  */
 public class MiraiAPI {
+
+    public static void startMirai(String[] args){
+        MiraiMain.main(args);
+    }
+
+    public static void closeMirai(){
+        MiraiServer.getInstance().shutdown();
+    }
+
+    public static void restartMirai(String[] args){
+        MiraiServer.getInstance().shutdown();
+        MiraiMain.main(args);
+    }
+
     public static String getMiraiVersion(){
         return MiraiServer.MIRAI_VERSION;
     }
diff --git a/mirai-core/src/main/java/net/mamoe/mirai/MiraiMain.java b/mirai-core/src/main/java/net/mamoe/mirai/MiraiMain.java
index 858f581aa..17a003ab8 100644
--- a/mirai-core/src/main/java/net/mamoe/mirai/MiraiMain.java
+++ b/mirai-core/src/main/java/net/mamoe/mirai/MiraiMain.java
@@ -1,10 +1,13 @@
 package net.mamoe.mirai;
 
 
+import lombok.Getter;
+
 /**
  * @author NaturalHG
  */
 public final class MiraiMain {
+    @Getter
     private static MiraiServer server;
 
     public static void main(String[] args) {