diff --git a/src/views/index/approvalPreview/components/knowledge.vue b/src/views/index/approvalPreview/components/knowledge.vue
index 4c6e42be..342dc0ba 100644
--- a/src/views/index/approvalPreview/components/knowledge.vue
+++ b/src/views/index/approvalPreview/components/knowledge.vue
@@ -31,7 +31,7 @@ const tagTypeMap:any = {
 watchEffect(() => {
   if (props.data) {
     const approveContents = JSON.parse(props.data?.approveContents || '{}');
-    knowledgeDetail.value = approveContents.beforeData || null;
+    knowledgeDetail.value = approveContents.afterData || approveContents.beforeData || null;
     contents.value = approveContents.contents || '';
     approveAction.value = props.data?.approveAction || '';
   }