diff --git a/static/index.html b/static/index.html
index 2213a7d8..93e7fff2 100644
--- a/static/index.html
+++ b/static/index.html
@@ -1546,7 +1546,7 @@ async function renderWatch() {
         const shares = s.shares || 0;
         const posPct = s.position_pct || 0;
 
-        const buyZone = (el_ && eh_) ? el_.toFixed(1) + '~' + eh_.toFixed(1) : '—';
+        const buyZone = (el_ && eh_) ? el_.toFixed(2) + '~' + eh_.toFixed(2) : '—';
         const sltp = (sl_ || tp_) ? '损' + (sl_||'—') + '/盈' + (tp_||'—') : '—';
         const posDisplay = (isRec && s.suggested_position_pct)
           ? '建议' + s.suggested_position_pct + '%'