diff --git a/child/src/main/kotlin/cc/maxmc/msm/child/api/APIImpl.kt b/child/src/main/kotlin/cc/maxmc/msm/child/api/APIImpl.kt
index a682309..6b00419 100644
--- a/child/src/main/kotlin/cc/maxmc/msm/child/api/APIImpl.kt
+++ b/child/src/main/kotlin/cc/maxmc/msm/child/api/APIImpl.kt
@@ -2,26 +2,46 @@ package cc.maxmc.msm.child.api
 
 import cc.maxmc.msm.api.MultiServerManAPI
 import cc.maxmc.msm.api.misc.ServerInfo
+import cc.maxmc.msm.child.netty.NetClient
+import cc.maxmc.msm.common.network.packet.PPacketAPICall
 import net.md_5.bungee.api.connection.ProxiedPlayer
-import java.util.UUID
-import java.util.concurrent.Future
+import java.util.*
+import java.util.concurrent.CompletableFuture
+import java.util.concurrent.TimeUnit
 
-object APIImpl: MultiServerManAPI {
-    val apiCallCache = HashMap<UUID, Future<Any>>()
+object APIImpl : MultiServerManAPI {
+    val apiCallCache = HashMap<UUID, CompletableFuture<out Any>>()
 
     override fun getServer(type: String, players: MutableList<ProxiedPlayer>): ServerInfo {
-        TODO("Not yet implemented")
+        val packet = PPacketAPICall.PPacketCallGetServer(type, players.map { it.name })
+        NetClient.sendPacket(packet)
+        val future = CompletableFuture<ServerInfo>()
+        apiCallCache[UUID.randomUUID()] = future
+        return future.get(1, TimeUnit.SECONDS)
     }
 
     override fun informEnd(id: Int) {
-        TODO("Not yet implemented")
+        val packet = PPacketAPICall.PPacketCallInformEnd(id)
+        NetClient.sendPacket(packet)
+        val future = CompletableFuture<Unit>()
+        apiCallCache[UUID.randomUUID()] = future
+        future.get(1, TimeUnit.SECONDS)
+        return
     }
 
     override fun getPlayerServer(player: ProxiedPlayer): ServerInfo {
-        TODO("Not yet implemented")
+        val packet = PPacketAPICall.PPacketCallGetPlayerServer(player.name)
+        NetClient.sendPacket(packet)
+        val future = CompletableFuture<ServerInfo>()
+        apiCallCache[UUID.randomUUID()] = future
+        return future.get(1, TimeUnit.SECONDS)
     }
 
     override fun containPlayer(player: ProxiedPlayer): Boolean {
-        TODO("Not yet implemented")
+        val packet = PPacketAPICall.PPacketCallContainPlayer(player.name)
+        NetClient.sendPacket(packet)
+        val future = CompletableFuture<Boolean>()
+        apiCallCache[UUID.randomUUID()] = future
+        return future.get(1, TimeUnit.SECONDS)
     }
 }
\ No newline at end of file
diff --git a/common/src/main/kotlin/cc/maxmc/msm/common/network/packet/PPacketAPICall.kt b/common/src/main/kotlin/cc/maxmc/msm/common/network/packet/PPacketAPICall.kt
index 70b2068..14fea7e 100644
--- a/common/src/main/kotlin/cc/maxmc/msm/common/network/packet/PPacketAPICall.kt
+++ b/common/src/main/kotlin/cc/maxmc/msm/common/network/packet/PPacketAPICall.kt
@@ -1,10 +1,7 @@
 package cc.maxmc.msm.common.network.packet
 
 import cc.maxmc.msm.api.misc.EnumAPI
-import cc.maxmc.msm.api.misc.ServerInfo
 import cc.maxmc.msm.common.network.BungeePacket
-import cc.maxmc.msm.common.utils.readServerInfo
-import cc.maxmc.msm.common.utils.writeServerInfo
 import io.netty.buffer.ByteBuf
 import net.md_5.bungee.protocol.DefinedPacket
 import java.util.*
@@ -15,10 +12,12 @@ sealed class PPacketAPICall(
 ) : BungeePacket() {
     override fun encode(buf: ByteBuf) {
         DefinedPacket.writeVarInt(api.ordinal, buf)
+        DefinedPacket.writeUUID(uid, buf)
     }
 
     override fun decode(buf: ByteBuf) {
         api = EnumAPI.values()[buf.readByte().toInt()]
+        uid = DefinedPacket.readUUID(buf)
     }
 
     class PPacketCallGetServer(
@@ -53,16 +52,16 @@ sealed class PPacketAPICall(
     }
 
     class PPacketCallGetPlayerServer(
-        var serverInfo: ServerInfo = ServerInfo()
+        var player: String = ""
     ) : PPacketAPICall() {
         override fun encode(buf: ByteBuf) {
             super.encode(buf)
-            buf.writeServerInfo(serverInfo)
+            DefinedPacket.writeString(player, buf)
         }
 
         override fun decode(buf: ByteBuf) {
             super.decode(buf)
-            serverInfo = buf.readServerInfo()
+            player = DefinedPacket.readString(buf)
         }
     }