Fix #383

mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/QQAndroidBot.common.kt

@@ -705,7 +705,13 @@ internal abstract class QQAndroidBotBase constructor(
 
     @LowLevelAPI
     @MiraiExperimentalAPI
-    override suspend fun _lowLevelSolveNewFriendRequestEvent(eventId: Long, fromId: Long, fromNick: String, accept: Boolean, blackList: Boolean) {
+    override suspend fun _lowLevelSolveNewFriendRequestEvent(
+        eventId: Long,
+        fromId: Long,
+        fromNick: String,
+        accept: Boolean,
+        blackList: Boolean
+    ) {
         network.apply {
             NewContact.SystemMsgNewFriend.Action(
                 bot.client,
@@ -761,6 +767,7 @@ internal abstract class QQAndroidBotBase constructor(
                 accept = accept,
                 blackList = blackList
             ).sendWithoutExpect()
+            if (accept ?: return)
                 groups[groupId].apply {
                     members.delegate.addLast(newMember(object : MemberInfo {
                         override val nameCard: String get() = ""