添加统计请求的功能

static/test_interface1.html

@@ -130,6 +130,7 @@ async function submitTest() {
   const file = fileInput.files[0];
   if (!file) { setStatus('请先选择一张图片', 'error'); return; }
 
+  const _reqStart = performance.now();
 
   const btn = $('submitBtn');
   btn.disabled = true;
@@ -149,21 +150,23 @@ async function submitTest() {
   try {
     const resp = await fetch(API_BASE + '/api/v1/face/measure', { method: 'POST', body: form });
     const json = await resp.json();
+    const _elapsed = ((performance.now() - _reqStart) / 1000).toFixed(2);
 
     $('jsonContent').textContent = JSON.stringify(json, null, 2);
     $('resultsArea').classList.remove('hidden');
 
     if (json.code === 0) {
-      setStatus('✅ 请求成功 — request_id: ' + json.request_id, 'success');
+      setStatus('✅ 请求成功 (' + _elapsed + 's) — request_id: ' + json.request_id, 'success');
       showOverlay(json.data.annotated_image_url);
       renderMetrics(json.data);
       $('metricsBar').classList.remove('hidden');
     } else {
-      setStatus('❌ 业务错误 — code: ' + json.code + ' message: ' + json.message, 'error');
+      setStatus('❌ 业务错误 (' + _elapsed + 's) — code: ' + json.code + ' message: ' + json.message, 'error');
       $('imgPanel').innerHTML = '<span class="placeholder">请求失败，无标注图</span>';
     }
   } catch (err) {
-    setStatus('❌ 网络错误: ' + err.message, 'error');
+    const _elapsed = ((performance.now() - _reqStart) / 1000).toFixed(2);
+    setStatus('❌ 网络错误 (' + _elapsed + 's): ' + err.message, 'error');
     $('jsonContent').textContent = 'Error: ' + err.message;
     $('resultsArea').classList.remove('hidden');
     $('imgPanel').innerHTML = '<span class="placeholder">请求失败</span>';