diff --git a/server/wheelserver/mt/MapGrid.go b/server/wheelserver/mt/MapGrid.go
index 1753a011..01cde46e 100644
--- a/server/wheelserver/mt/MapGrid.go
+++ b/server/wheelserver/mt/MapGrid.go
@@ -48,3 +48,7 @@ func (this *MapGridTable) PostInit1() {
 		return true
 	})
 }
+
+func (this *MapGridTable) GetMaxGridId() int32 {
+	return this.maxGridId
+}