diff --git a/mini-program/src/components/ClarificationCard.vue b/mini-program/src/components/ClarificationCard.vue
index f29265f..2858e4c 100644
--- a/mini-program/src/components/ClarificationCard.vue
+++ b/mini-program/src/components/ClarificationCard.vue
@@ -63,10 +63,14 @@ const isSingle = computed(() => props.card.card_type === 'single_select')
 const isMulti = computed(() => props.card.card_type === 'multi_select' || props.card.card_type === 'mixed')
 
 const canSubmit = computed(() => {
+  // 纯文本输入卡片：只需 customText 非空
+  if (isTextInput.value) return customText.value.trim().length > 0
+
+  // 有选项的卡片：满足最小选择数，或（允许自定义且 customText 非空）
   const minSel = props.card.min_selections || 1
-  if (selectedValues.value.length < minSel) return false
-  if (isTextInput.value && !customText.value.trim()) return false
-  return true
+  if (selectedValues.value.length >= minSel) return true
+  if (props.card.allow_custom && customText.value.trim()) return true
+  return false
 })
 
 function isSelected(value) {