diff --git a/web/src/admin/components/baseData/CategoriesSection.vue b/web/src/admin/components/baseData/CategoriesSection.vue
index b99e11c..beccabf 100644
--- a/web/src/admin/components/baseData/CategoriesSection.vue
+++ b/web/src/admin/components/baseData/CategoriesSection.vue
@@ -15,11 +15,12 @@ const toast = useToastStore()
 interface CategoryRow {
   key: number
   name: string
-  multiplier: string
+  // type="number" 的 v-model 会被 Vue 自动转成 number（空值仍是 ''），这里如实标注
+  multiplier: string | number
   gender: '' | Gender
-  ageMin: string
-  ageMax: string
-  sortOrder: string
+  ageMin: string | number
+  ageMax: string | number
+  sortOrder: string | number
 }
 
 interface RowError {
@@ -97,6 +98,20 @@ function moveRow(index: number, delta: number): void {
   rows.value = next
 }
 
+/**
+ * 年龄取值。
+ *
+ * `type="number"` 的 v-model 会被 Vue 自动转成 number（空值仍是 ''），所以不能直接 `.trim()`：
+ * 填了数字后字段是 number，`.trim()` 抛 TypeError，点击处理器中断，表现为「点了没反应」。
+ * 非法输入返回 NaN，交给 validate 标红。
+ */
+function toAge(value: string | number): number | null {
+  const text = String(value).trim()
+  if (text === '') return null
+  const parsed = Number(text)
+  return Number.isFinite(parsed) ? parsed : Number.NaN
+}
+
 function validate(): boolean {
   const next: Record<number, RowError> = {}
   const seen = new Set<string>()
@@ -112,8 +127,8 @@ function validate(): boolean {
       rowError.multiplier = '权重为 0–100 的正数'
     }
 
-    const ageMin = row.ageMin.trim() === '' ? null : Number(row.ageMin)
-    const ageMax = row.ageMax.trim() === '' ? null : Number(row.ageMax)
+    const ageMin = toAge(row.ageMin)
+    const ageMax = toAge(row.ageMax)
     if (ageMin !== null && (!Number.isInteger(ageMin) || ageMin < 0 || ageMin > 120)) rowError.age = '年龄为 0–120 的整数'
     else if (ageMax !== null && (!Number.isInteger(ageMax) || ageMax < 0 || ageMax > 120)) rowError.age = '年龄为 0–120 的整数'
     else if (ageMin !== null && ageMax !== null && ageMin > ageMax) rowError.age = '起始年龄不能大于结束年龄'
@@ -129,8 +144,8 @@ function buildInputs(): EventCategoryInput[] {
     name: row.name.trim(),
     multiplier: Number(row.multiplier),
     gender: row.gender === '' ? null : row.gender,
-    ageMin: row.ageMin.trim() === '' ? null : Number(row.ageMin),
-    ageMax: row.ageMax.trim() === '' ? null : Number(row.ageMax),
+    ageMin: toAge(row.ageMin),
+    ageMax: toAge(row.ageMax),
     sortOrder: Number(row.sortOrder) || index + 1,
   }))
 }
diff --git a/web/src/admin/pages/AdjustmentsPage.vue b/web/src/admin/pages/AdjustmentsPage.vue
index d74605b..079db16 100644
--- a/web/src/admin/pages/AdjustmentsPage.vue
+++ b/web/src/admin/pages/AdjustmentsPage.vue
@@ -181,7 +181,7 @@ function openCreate(): void {
 function validate(): string | null {
   if (formTeamId.value === null) return '请选择单位'
   const delta = Number(formDelta.value)
-  if (formDelta.value.trim() === '' || !Number.isFinite(delta)) return '请填写分值'
+  if (String(formDelta.value).trim() === '' || !Number.isFinite(delta)) return '请填写分值'
   if (delta === 0) return '分值不能为 0'
   if (formReason.value.trim() === '') return '理由必填'
   return null