diff --git a/cpp_src/db_ops.cpp b/cpp_src/db_ops.cpp
index d6e7480..6be7882 100644
--- a/cpp_src/db_ops.cpp
+++ b/cpp_src/db_ops.cpp
@@ -68,8 +68,11 @@ void create_tables(sqlite3 *db)
     const char *sql_indices = R"(
         CREATE TABLE IF NOT EXISTS indices (
             id INTEGER PRIMARY KEY AUTOINCREMENT,
+            index_id INTEGER NOT NULL,
             mesh_id INTEGER NOT NULL,
-            value INTEGER NOT NULL,
+            position_x REAL NOT NULL,
+            position_y REAL NOT NULL,
+            position_z REAL NOT NULL,
             FOREIGN KEY(mesh_id) REFERENCES meshes(id) ON DELETE CASCADE
         );
     )";
@@ -189,3 +192,38 @@ int save_mesh_vertices(FttContext *ctx, uint mesh_id, std::vector<V3> vertices)
     sqlite3_finalize(stmt);
     return 0;
 }
+
+int save_mesh_indices(FttContext* ctx, uint mesh_id, std::vector<V3> indices) {
+    if (!ctx->db) return -1;
+
+    sqlite3_stmt *stmt = nullptr;
+    const char *sql = "INSERT OR IGNORE INTO indices (mesh_id, index_id, position_x, position_y, position_z) VALUES (?, ?, ?, ?, ?);";
+    int rc = sqlite3_prepare_v2(ctx->db, sql, -1, &stmt, nullptr);
+    if (rc != SQLITE_OK) {
+        fprintf(stderr, "SQL prepare failed: %s\n", sqlite3_errmsg(ctx->db));
+        return rc;
+    }
+
+    sqlite3_exec(ctx->db, "BEGIN TRANSACTION;", nullptr, nullptr, nullptr); // 开启事务
+
+    for (int i = 0; i < indices.size(); i++) {
+        sqlite3_reset(stmt); // 重置语句
+        sqlite3_bind_int64(stmt, 1, mesh_id);
+        sqlite3_bind_int64(stmt, 2, i); // vert_id使用索引
+        sqlite3_bind_double(stmt, 3, std::get<0>(indices[i])); // 修正为double类型绑定
+        sqlite3_bind_double(stmt, 4, std::get<1>(indices[i]));
+        sqlite3_bind_double(stmt, 5, std::get<2>(indices[i]));
+
+        rc = sqlite3_step(stmt);
+        if (rc != SQLITE_DONE && rc != SQLITE_CONSTRAINT) {
+            fprintf(stderr, "SQL step failed at vertex %d: %s\n", i, sqlite3_errmsg(ctx->db));
+            sqlite3_exec(ctx->db, "ROLLBACK;", nullptr, nullptr, nullptr);
+            sqlite3_finalize(stmt);
+            return rc;
+        }
+    }
+
+    sqlite3_exec(ctx->db, "COMMIT;", nullptr, nullptr, nullptr); // 提交事务
+    sqlite3_finalize(stmt);
+    return 0;
+}
diff --git a/cpp_src/fbx_wrap.cpp b/cpp_src/fbx_wrap.cpp
index c844189..17124bb 100644
--- a/cpp_src/fbx_wrap.cpp
+++ b/cpp_src/fbx_wrap.cpp
@@ -96,7 +96,8 @@ void each_node(FttContext *ctx, FbxNode *parent_node, int level)
                                vertices.size(), triangles.size(),
                                parent_node->GetNameOnly().Buffer());
 
-            save_mesh_vertices(ctx, id, vertices);
+            save_mesh_vertices(ctx, id, triangles);
+            save_mesh_indices(ctx, id, vertices);
         }
     }
 
diff --git a/cpp_src/include/db_ops.h b/cpp_src/include/db_ops.h
index 5c14f4c..cc9928f 100644
--- a/cpp_src/include/db_ops.h
+++ b/cpp_src/include/db_ops.h
@@ -34,4 +34,5 @@ void create_tables(sqlite3* db);
  */
 int save_mesh_to_table(FttContext* ctx, sqlite3 *db, uint id, const std::string &name, int vertex_count, int index_count, const std::string &fbx_id);
 
-int save_mesh_vertices(FttContext* ctx, uint mesh_id, std::vector<V3> vertices);
\ No newline at end of file
+int save_mesh_vertices(FttContext* ctx, uint mesh_id, std::vector<V3> vertices);
+int save_mesh_indices(FttContext* ctx, uint mesh_id, std::vector<V3> indices);
\ No newline at end of file