diff --git a/App.jsx b/App.jsx
index 3997d4f..05b8a7d 100644
--- a/App.jsx
+++ b/App.jsx
@@ -3034,6 +3034,16 @@ function ProductForm({ draft, setDraft, onSave, onCancel, categories, onManage }
   function updateOutputPort(t, patch) {
     set({ outputPorts: (draft.outputPorts || []).map(p => (p.type === t ? { ...p, ...patch } : p)) });
   }
+  // 失焦时自动补单位：纯数字才补（比如"5"变"5Vdc"、"2.4"变"2.4A"），
+  // 如果用户已经手动填了完整格式（比如POE常见的"24Vdc/48Vdc"），保持原样不动，避免破坏。
+  function normalizeOutputVoltageOnBlur(t, rawValue) {
+    const trimmed = (rawValue || '').trim();
+    if (/^\d+(\.\d+)?$/.test(trimmed)) updateOutputPort(t, { voltage: trimmed + 'Vdc' });
+  }
+  function normalizeOutputCurrentOnBlur(t, rawValue) {
+    const trimmed = (rawValue || '').trim();
+    if (/^\d+(\.\d+)?$/.test(trimmed)) updateOutputPort(t, { current: trimmed + 'A' });
+  }
   return (
     <div className="panel">
       <div className="panel-header"><div className="panel-title"><Edit2 size={14} />{draft.name ? '编辑产品' : '新建产品'}</div></div>
@@ -3173,8 +3183,8 @@ function ProductForm({ draft, setDraft, onSave, onCancel, categories, onManage }
                 {draft.outputPorts.map(p => (
                   <div key={p.type} style={{ display: 'flex', gap: 8, alignItems: 'center', marginBottom: 6 }}>
                     <div style={{ width: 90, fontSize: 12.5, fontWeight: 700, flexShrink: 0 }}>{p.type}</div>
-                    <input className="input" style={{ flex: 1 }} placeholder="输出电压，如 5Vdc" value={p.voltage} onChange={e => updateOutputPort(p.type, { voltage: e.target.value })} />
-                    <input className="input" style={{ flex: 1 }} placeholder="电流，如 3.0A" value={p.current} onChange={e => updateOutputPort(p.type, { current: e.target.value })} />
+                    <input className="input" style={{ flex: 1 }} value={p.voltage} onChange={e => updateOutputPort(p.type, { voltage: e.target.value })} onBlur={e => normalizeOutputVoltageOnBlur(p.type, e.target.value)} />
+                    <input className="input" style={{ flex: 1 }} value={p.current} onChange={e => updateOutputPort(p.type, { current: e.target.value })} onBlur={e => normalizeOutputCurrentOnBlur(p.type, e.target.value)} />
                   </div>
                 ))}
               </div>