diff --git a/components/aigc/course-generate/CGTaskCard.vue b/components/aigc/course-generate/CGTaskCard.vue
index aba9a24..2126977 100644
--- a/components/aigc/course-generate/CGTaskCard.vue
+++ b/components/aigc/course-generate/CGTaskCard.vue
@@ -150,7 +150,7 @@ const copyTaskId = (extraMessage?: string) => {
       />
       <div
         v-else
-        class="absolute inset-0 bg-gradient-to-br from-purple-400 to-primary-400 flex justify-center items-center"
+        class="absolute inset-0 bg-gradient-to-br from-purple-400 to-primary-400 flex justify-center items-center pattern"
       >
         <Icon
           v-if="isFailed"
@@ -293,5 +293,4 @@ const copyTaskId = (extraMessage?: string) => {
 </template>
 
 <style scoped>
-
 </style>
\ No newline at end of file