fix: 修复对话日志导出，引用分段数、分段标题+内容、知识库检索结果 显示错误的缺陷

--bug=1048277 --user=王孝刚 【应用编排】对话日志导出，引用分段数、分段标题+内容、知识库检索结果 显示错误 https://www.tapd.cn/57709429/s/1599889

apps/application/serializers/chat_serializers.py

@@ -176,7 +176,8 @@ class ChatSerializers(serializers.Serializer):
             paragraph_list = details.get('search_step').get(
                 'paragraph_list') if 'search_step' in details and 'paragraph_list' in details.get('search_step') else []
             for key, node in details.items():
-                if node.get('type') == 'search-dataset-node':
+                if node.get('type') == 'search-dataset-node' and node.get('paragraph_list') is not None and len(
+                        node.get('paragraph_list')) > 0:
                     paragraph_list = node.get('paragraph_list')
             improve_paragraph_list = row.get('improve_paragraph_list')
             vote_status_map = {'-1': '未投票', '0': '赞同', '1': '反对'}

ui/src/views/log/index.vue

@@ -38,7 +38,7 @@
       <app-table
         :data="tableData"
         :pagination-config="paginationConfig"
-        @sizeChange="handleSizeChange"
+        @sizeChange="getList"
         @changePage="getList"
         @row-click="rowClickHandle"
         v-loading="loading"
@@ -362,13 +362,7 @@ function deleteLog(row: any) {
     .catch(() => {})
 }
 
-function handleSizeChange() {
-  paginationConfig.current_page = 1
-  getList()
-}
-
 function getList() {
-  paginationConfig.current_page = 1
   let obj: any = {
     start_time: daterange.value.start_time,
     end_time: daterange.value.end_time,