diff --git a/modules/ngx_http_xquic_module/ngx_http_v3_stream.c b/modules/ngx_http_xquic_module/ngx_http_v3_stream.c
index 2063a847d9..23e60bf0d6 100644
--- a/modules/ngx_http_xquic_module/ngx_http_v3_stream.c
+++ b/modules/ngx_http_xquic_module/ngx_http_v3_stream.c
@@ -931,7 +931,7 @@ ngx_http_v3_request_process_header(ngx_http_request_t *r,
     cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
 
     if (r->headers_in.count++ >= cscf->max_headers) {
-        ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
+        ngx_log_error(NGX_LOG_WARN, r->connection->log, 0,
                       "client sent too many header lines");
         ngx_http_finalize_request(r, NGX_HTTP_REQUEST_HEADER_TOO_LARGE);
         return NGX_ERROR;
diff --git a/src/http/ngx_http_request.c b/src/http/ngx_http_request.c
index a352b13460..a3726b7f20 100755
--- a/src/http/ngx_http_request.c
+++ b/src/http/ngx_http_request.c
@@ -1988,7 +1988,7 @@ ngx_http_process_request_headers(ngx_event_t *rev)
 
             if (r->headers_in.count++ >= cscf->max_headers) {
                 r->lingering_close = 1;
-                ngx_log_error(NGX_LOG_INFO, c->log, 0,
+                ngx_log_error(NGX_LOG_WARN, c->log, 0,
                               "client sent too many header lines");
                 ngx_http_finalize_request(r,
                                           NGX_HTTP_REQUEST_HEADER_TOO_LARGE);
diff --git a/src/http/v2/ngx_http_v2.c b/src/http/v2/ngx_http_v2.c
index 05500a4e13..6b8ea310d9 100644
--- a/src/http/v2/ngx_http_v2.c
+++ b/src/http/v2/ngx_http_v2.c
@@ -1859,7 +1859,7 @@ ngx_http_v2_state_process_header(ngx_http_v2_connection_t *h2c, u_char *pos,
         cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
 
         if (r->headers_in.count++ >= cscf->max_headers) {
-            ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
+            ngx_log_error(NGX_LOG_WARN, r->connection->log, 0,
                           "client sent too many header lines");
             ngx_http_finalize_request(r, NGX_HTTP_REQUEST_HEADER_TOO_LARGE);
             goto error;