添加问答模式

ui/smarttrade-platform/src/views/KnowledgeView.vue

@@ -1136,6 +1136,7 @@ const addKnowledgeDocument = ()=> {
   chunkType.value = 'add'
   showAddModal.value = true
   documentList.value = []
+  doc_form.value=''
 }
 const addKnowledge = () => {