diff --git a/example/benchmark.cpp b/example/benchmark.cpp
index ef0c6640..71bd39e9 100644
--- a/example/benchmark.cpp
+++ b/example/benchmark.cpp
@@ -8,8 +8,8 @@ int main() {
                           "127.0.0.1", true);
   server.set_http_handler<GET>(
       "/plaintext", [](coro_http_request& req, coro_http_response& resp) {
-        resp.get_conn()->set_multi_buf(false);
-        resp.set_content_type<resp_content_type::txt>();
+        resp.set_delay(false);
+        resp.need_date_head(false);
         resp.set_status_and_content(status_type::ok, "Hello, world!");
       });
   server.sync_start();
diff --git a/press_tool/main.cpp b/press_tool/main.cpp
index feddb378..6e2b580f 100644
--- a/press_tool/main.cpp
+++ b/press_tool/main.cpp
@@ -273,9 +273,8 @@ int main(int argc, char* argv[]) {
 
   timer_thd.join();
   auto end = std::chrono::steady_clock::now();
-  auto dur =
-      std::chrono::duration_cast<std::chrono::nanoseconds>(end - beg).count();
-  double dur_s = double(dur) / 1000000000;
+  double dur_s =
+      std::chrono::duration_cast<std::chrono::seconds>(end - beg).count();
 
   // statistic
   uint64_t total = 0;