diff --git a/src/shared/components/AchievementToast.vue b/src/shared/components/AchievementToast.vue
index e6fd7e9..2e7c7e5 100644
--- a/src/shared/components/AchievementToast.vue
+++ b/src/shared/components/AchievementToast.vue
@@ -22,7 +22,7 @@ function playNext() {
   visible.value = true
   timer = setTimeout(async () => {
     visible.value = false
-    await store.markRead(item.id)
+    await store.markRead(item)
     gapTimer = setTimeout(playNext, 400)
   }, 3000)
 }
@@ -49,7 +49,9 @@ onUnmounted(() => {
     >
       <div class="icon">{{ current.icon }}</div>
       <div class="body">
-        <div class="label">成就解锁</div>
+        <div class="label">
+          {{ current.kind === "badge" ? "获得奖章" : "成就解锁" }}
+        </div>
         <div class="name">{{ current.name }}</div>
         <div class="desc">{{ current.description }}</div>
       </div>
diff --git a/src/shared/store/achievement.ts b/src/shared/store/achievement.ts
index 58ffb85..75086d5 100644
--- a/src/shared/store/achievement.ts
+++ b/src/shared/store/achievement.ts
@@ -18,14 +18,20 @@ export const useAchievementStore = defineStore("achievement", () => {
   const queue = ref<PendingAchievement[]>([])
   const current = ref<PendingAchievement | null>(null)
 
+  // 成就和题单奖章的 id 来自两张不同的表，数值会重叠，
+  // 只按 id 去重会让奖章 5 把成就 5 挤掉
+  function keyOf(item: PendingAchievement) {
+    return `${item.kind ?? "achievement"}:${item.id}`
+  }
+
   function enqueue(items: PendingAchievement[]) {
     if (!items?.length) return
     // 去重：WebSocket 推来的和 pending 拉来的可能是同一批
     const known = new Set([
-      ...queue.value.map((i) => i.id),
-      ...(current.value ? [current.value.id] : []),
+      ...queue.value.map(keyOf),
+      ...(current.value ? [keyOf(current.value)] : []),
     ])
-    queue.value.push(...items.filter((i) => !known.has(i.id)))
+    queue.value.push(...items.filter((i) => !known.has(keyOf(i))))
   }
 
   async function fetchPending() {
@@ -43,9 +49,12 @@ export const useAchievementStore = defineStore("achievement", () => {
     return current.value
   }
 
-  async function markRead(id: number) {
+  async function markRead(item: PendingAchievement) {
+    // 奖章不在 UserAchievement 表里，它的 id 传给标记接口会被当成成就 id，
+    // 把一个恰好同号、还没弹过的成就静默标记为已弹——那个奖杯就再也不会出现
+    if (item.kind === "badge") return
     try {
-      await markAchievementsRead([id])
+      await markAchievementsRead([item.id])
     } catch {
       // 标记失败下次会重复弹一次，可接受
     }
diff --git a/src/utils/types.ts b/src/utils/types.ts
index 32d87da..c3bf56f 100644
--- a/src/utils/types.ts
+++ b/src/utils/types.ts
@@ -759,6 +759,10 @@ export interface PendingAchievement {
   description: string
   icon: string
   rarity: AchievementRarity
+  // 弹窗队列里混着两种东西：全站成就和题单奖章。它们的 id 来自两张不同的表，
+  // 数值会重叠，所以去重和标记已读都必须带上 kind 一起判断。
+  // pending 接口只返回成就，不带这个字段，缺省按 achievement 处理。
+  kind?: "achievement" | "badge"
 }
 
 export interface AchievementSummary {