diff --git a/proto/server.proto b/proto/server.proto
index 4c7af07..f8e6373 100644
--- a/proto/server.proto
+++ b/proto/server.proto
@@ -1,5 +1,7 @@
 syntax = "proto3";
 option go_package = "router/minecraft";
+option java_multiple_files = true;
+option java_package = "cn.nextcraft.core.proto";
 
 enum ServerPacketType {
   PING = 0;