diff --git a/src/pages/courseDetail/index.vue b/src/pages/courseDetail/index.vue
index ec1a2de3..34b7c40c 100644
--- a/src/pages/courseDetail/index.vue
+++ b/src/pages/courseDetail/index.vue
@@ -71,7 +71,8 @@
 	import {
 		reactive,
 		ref,
-		computed 
+		computed, 
+		onMounted
 	} from 'vue';
 	
 	import {
@@ -126,11 +127,14 @@
 	const scroll_fun = (e) => {
 		scrollTop.value = e.detail.scrollTop
 	}
+	onMounted(() => {
+		uni.$on('refresh_comment_data', () => {
+			commentRef.value?.getData();
+		})
+	})
 	onLoad((params) => {
 		crsNum.value = params.crsNum;
-		uni.$on('refresh_comment_data', () => {
-			commentRef.value.getData();
-		})
+		
 	});
 	onShow(()=>{
 		getData();