fix: accept scheme-less drainage URLs

src/apps/admin/enterprise-signatures/DrainageFormModal.tsx

@@ -64,8 +64,9 @@ export function DrainageFormModal({ applicationId, item, onClose, onSubmit }: {
           <h3>基本信息</h3>
           <Input
             label="* 引流url或号码"
+            hint="支持带或不带协议的 URL、手机号码或固定电话号码"
             onChange={(event) => update('url', event.target.value)}
-            placeholder="请输入引流url或号码"
+            placeholder="例如：example.com/path 或 13800138000"
             required
             value={form.url}
           />

src/apps/client/ClientSignaturesPage.tsx

@@ -251,7 +251,7 @@ function DrainageModal({ item, signature, onClose, onSaved }: { item?: ClientDra
   >
     <div className="signature-form">
       {item?.rejectReason ? <div className="client-signature-reason"><strong>修改说明</strong><span>{item.rejectReason}</span></div> : null}
-      <Input hint="支持 http/https URL、手机号码或固定电话号码" label="引流 URL 或号码" onChange={(event) => setUrl(event.target.value)} placeholder="例如：https://example.com 或 13800138000" required value={url} />
+      <Input hint="支持带或不带协议的 URL、手机号码或固定电话号码" label="引流 URL 或号码" onChange={(event) => setUrl(event.target.value)} placeholder="例如：example.com/path 或 13800138000" required value={url} />
       <Textarea label="说明" onChange={(event) => setRemark(event.target.value)} rows={3} value={remark ?? ''} />
       <section className="client-signature-form-section">
         <div><h3>审核资料</h3><p>请补充此 URL 或号码对应的主体证明。</p></div>