diff --git a/apps/admin-web/src/pages/AdminMembershipPlanPage.tsx b/apps/admin-web/src/pages/AdminMembershipPlanPage.tsx
index 883f769b2..f5df76933 100644
--- a/apps/admin-web/src/pages/AdminMembershipPlanPage.tsx
+++ b/apps/admin-web/src/pages/AdminMembershipPlanPage.tsx
@@ -182,6 +182,20 @@ export function AdminMembershipPlanPage({
     setRankLabel(String(entry.rank));
   }
 
+  // 目录里还没有这一档时清空表单，避免把上一档的价格 / 权益误当成它的值提交。
+  function clearForm(nextPlan: ProfileMembershipPlan) {
+    setPlan(nextPlan);
+    setTitle('');
+    setMonthPriceCents('0');
+    setYearPriceCents('0');
+    setPeriodPoints('0');
+    setModelAccess('basic');
+    setConcurrentJobLimit('1');
+    setEnabled(false);
+    setSortOrder('0');
+    setRankLabel('');
+  }
+
   const isPurchasable = plan !== 'normal';
 
   return (
@@ -216,7 +230,7 @@ export function AdminMembershipPlanPage({
                   if (entry) {
                     fillForm(entry);
                   } else {
-                    setPlan(nextPlan);
+                    clearForm(nextPlan);
                   }
                 }}
               >
@@ -253,7 +267,7 @@ export function AdminMembershipPlanPage({
           <AdminFormRow>
             <AdminField label="月价（分）">
               <input
-                min={1}
+                min={isPurchasable ? 1 : 0}
                 step={1}
                 type="number"
                 value={monthPriceCents}
@@ -262,7 +276,7 @@ export function AdminMembershipPlanPage({
             </AdminField>
             <AdminField label="年价（分，独立可配置）">
               <input
-                min={1}
+                min={isPurchasable ? 1 : 0}
                 step={1}
                 type="number"
                 value={yearPriceCents}