diff --git a/src/lib/components/admin/FeaturedImagePicker.svelte b/src/lib/components/admin/FeaturedImagePicker.svelte
index 7e6cd5b..703737f 100644
--- a/src/lib/components/admin/FeaturedImagePicker.svelte
+++ b/src/lib/components/admin/FeaturedImagePicker.svelte
@@ -170,8 +170,11 @@
 
 	<div class="tab-content">
 		{#if activeTab === 'url'}
+			<!-- 用 text 而非 url：该输入框不参与提交（无 name），但 type=url 的原生校验会
+			     因为相对路径等非法值而静默拦截整个表单提交 -->
 			<input
-				type="url"
+				type="text"
+				inputmode="url"
 				placeholder="输入或粘贴图片链接"
 				bind:value={cover}
 				class="full-width-input"