diff --git a/edc-web/app/static/js/test_data.js b/edc-web/app/static/js/test_data.js
index 98fdd99..a5c2089 100644
--- a/edc-web/app/static/js/test_data.js
+++ b/edc-web/app/static/js/test_data.js
@@ -81,8 +81,15 @@ function toSpeed(v) {
 
 function fmtTime(v) {
     if (!v) return '-';
-    // MySQL datetime: '2026-06-01 14:30:25' 或 '2026-06-01T14:30:25'
-    return String(v).replace('T', ' ').replace(/\.\d+/, '').substring(0, 19);
+    const d = new Date(v);
+    if (isNaN(d.getTime())) return String(v).substring(0, 19);
+    const y = d.getFullYear();
+    const m = String(d.getMonth() + 1).padStart(2, '0');
+    const d2 = String(d.getDate()).padStart(2, '0');
+    const h = String(d.getHours()).padStart(2, '0');
+    const min = String(d.getMinutes()).padStart(2, '0');
+    const s = String(d.getSeconds()).padStart(2, '0');
+    return `${y}-${m}-${d2} ${h}:${min}:${s}`;
 }
 
 // ─── 视图切换 ────────────────────────────────────
diff --git a/edc-web/app/static/js/test_op.js b/edc-web/app/static/js/test_op.js
index 3336746..7f4bd9f 100644
--- a/edc-web/app/static/js/test_op.js
+++ b/edc-web/app/static/js/test_op.js
@@ -280,7 +280,15 @@ function toSpeed(v) {
 
 function fmtTime(v) {
     if (!v) return '-';
-    return String(v).replace('T', ' ').replace(/\.\d+/, '').substring(0, 19);
+    const d = new Date(v);
+    if (isNaN(d.getTime())) return String(v).substring(0, 19);
+    const y = d.getFullYear();
+    const m = String(d.getMonth() + 1).padStart(2, '0');
+    const d2 = String(d.getDate()).padStart(2, '0');
+    const h = String(d.getHours()).padStart(2, '0');
+    const min = String(d.getMinutes()).padStart(2, '0');
+    const s = String(d.getSeconds()).padStart(2, '0');
+    return `${y}-${m}-${d2} ${h}:${min}:${s}`;
 }
 
 // ─── 显示最新结果 ──────────────────────────────