diff --git a/src/routes/admin/settings/+page.svelte b/src/routes/admin/settings/+page.svelte
index 0f674ab..3d06e11 100644
--- a/src/routes/admin/settings/+page.svelte
+++ b/src/routes/admin/settings/+page.svelte
@@ -91,7 +91,7 @@
 						<DatePicker
 							id="site_launch_date"
 							name="site_launch_date"
-							bind:value={data.settings['site.launch_date']}
+							value={data.settings['site.launch_date'] || ''}
 						/>
 						<small class="form-hint">用于在底栏显示"感谢陪伴 X 天 X 小时"</small>
 					</div>