diff --git a/server/gameserver/jsondatamgr.cc b/server/gameserver/jsondatamgr.cc
index ccd4abd..4e81bcc 100644
--- a/server/gameserver/jsondatamgr.cc
+++ b/server/gameserver/jsondatamgr.cc
@@ -47,10 +47,13 @@ void JsonDataMgr::UnInit()
 
 std::shared_ptr<a8::XObject> JsonDataMgr::GetConf()
 {
-    if (App::Instance()->instance_id < 1 || App::Instance()->instance_id > gameserver_cluster_json_.Size()) {
-        abort();
+    for (int i = 0; i < gameserver_cluster_json_.Size(); ++i) {
+        std::shared_ptr<a8::XObject> conf = gameserver_cluster_json_.At(i);
+        if (conf->At("instance_id")->AsXValue().GetInt() == App::Instance()->instance_id) {
+            return conf;
+        }
     }
-    return gameserver_cluster_json_[App::Instance()->instance_id - 1];
+    abort();
 }
 
 std::shared_ptr<a8::XObject> JsonDataMgr::GetMasterServerClusterConf()