diff --git a/src/views/courselibrary/CourseRecommended.vue b/src/views/courselibrary/CourseRecommended.vue
index bdf737e2..117d1ae3 100644
--- a/src/views/courselibrary/CourseRecommended.vue
+++ b/src/views/courselibrary/CourseRecommended.vue
@@ -227,7 +227,7 @@ export default defineComponent({
           align: "left",
           ellipsis: true,
           customRender: ({ text }) => {
-            return <a-tooltip placement="bottomLeft" title = {text} >{text? text.length>3? text.slice(0,3)+'...' : text : ''}</a-tooltip>
+            return <a-tooltip placement="bottomLeft" title = {text} >{text? text.length>12? text.slice(0,12)+'...' : text : ''}</a-tooltip>
           },
         },
         {