diff --git a/network_process/include/prim_gen.hpp b/network_process/include/prim_gen.hpp
index 8901fd1..dfc76ed 100644
--- a/network_process/include/prim_gen.hpp
+++ b/network_process/include/prim_gen.hpp
@@ -19,7 +19,7 @@ void                    build_tetrahedron_and_adjacency(const scene_bg_mesh_info
                                                         flat_hash_map_mp<uint32_t, stl_vector_mp<uint32_t>>& reverse_vertex_adjacency,
                                                         btree_map_mp<uint32_t, stl_vector_mp<uint32_t>>&     vertex_to_tet_mapping);
 void                    filter_tet_by_subface(const btree_map_mp<uint32_t, stl_vector_mp<uint32_t>>&     vertex_to_tet_mapping,
-                                              Eigen::Ref<Eigen::MatrixXd>                                vertex_infos,
+                                              Eigen::MatrixXd&                                          vertex_infos,
                                               flat_hash_map_mp<uint32_t, uint32_t>&                      vertex_indices_mapping,
                                               stl_vector_mp<std::array<uint32_t, 4>>&                    tetrahedrons,
                                               flat_hash_map_mp<uint32_t, uint32_t>&                      vertex_lexigraphical_adjacency,
diff --git a/network_process/src/prim_gen/filter_tet_by_subface.cpp b/network_process/src/prim_gen/filter_tet_by_subface.cpp
index b03d9cd..991ff51 100644
--- a/network_process/src/prim_gen/filter_tet_by_subface.cpp
+++ b/network_process/src/prim_gen/filter_tet_by_subface.cpp
@@ -16,7 +16,7 @@
 // };
 
 void filter_tet_by_subface(const btree_map_mp<uint32_t, stl_vector_mp<uint32_t>>&     vertex_to_tet_mapping,
-                           Eigen::Ref<Eigen::MatrixXd>                                vertex_infos,
+                           Eigen::MatrixXd&                                           vertex_infos,
                            flat_hash_map_mp<uint32_t, uint32_t>&                      vertex_indices_mapping,
                            stl_vector_mp<std::array<uint32_t, 4>>&                    tetrahedrons,
                            flat_hash_map_mp<uint32_t, uint32_t>&                      vertex_lexigraphical_adjacency,