diff --git a/src/oj/ai/analysis.vue b/src/oj/ai/analysis.vue
index a0814f8..e392aa1 100644
--- a/src/oj/ai/analysis.vue
+++ b/src/oj/ai/analysis.vue
@@ -1,5 +1,5 @@
 <template>
-  <n-spin :show="aiStore.loading.fetching">
+  <n-spin :show="aiStore.loading.fetching" :delay="50">
     <n-grid :cols="isDesktop ? 5 : 1" :x-gap="20" :y-gap="20">
       <n-gi :span="2">
         <n-flex vertical size="large">
diff --git a/src/oj/ai/components/AI.vue b/src/oj/ai/components/AI.vue
index 5034705..573bb70 100644
--- a/src/oj/ai/components/AI.vue
+++ b/src/oj/ai/components/AI.vue
@@ -5,7 +5,7 @@
         <span class="title-text">AI 帮你分析</span>
       </div>
     </template>
-    <n-spin :show="aiStore.loading.ai">
+    <n-spin :show="aiStore.loading.ai" :delay="50">
       <div class="container">
         <MdPreview :model-value="aiStore.mdContent" />
       </div>
diff --git a/src/oj/ai/components/Heatmap.vue b/src/oj/ai/components/Heatmap.vue
index 57c50b0..731795e 100644
--- a/src/oj/ai/components/Heatmap.vue
+++ b/src/oj/ai/components/Heatmap.vue
@@ -3,7 +3,7 @@
     <template #header-extra>
       <n-text depth="3" style="font-size: 12px">激励持续学习</n-text>
     </template>
-    <n-spin :show="aiStore.loading.heatmap">
+    <n-spin :show="aiStore.loading.heatmap" :delay="50">
       <div class="heatmap-container" ref="containerRef">
         <svg
           :viewBox="`0 0 ${svgWidth} ${svgHeight}`"
diff --git a/src/oj/ai/components/StreakStats.vue b/src/oj/ai/components/StreakStats.vue
index 92587c0..4e05a32 100644
--- a/src/oj/ai/components/StreakStats.vue
+++ b/src/oj/ai/components/StreakStats.vue
@@ -3,7 +3,7 @@
     <template #header-extra>
       <n-text depth="3" style="font-size: 12px">激励持续学习</n-text>
     </template>
-    <n-spin :show="aiStore.loading.heatmap">
+    <n-spin :show="aiStore.loading.heatmap" :delay="50">
       <n-grid :cols="2" :x-gap="12" :y-gap="12">
         <n-gi>
           <n-statistic label="当前连续" :value="currentStreak">