diff --git a/ui/src/components/ai-chat/component/prologue-content/index.vue b/ui/src/components/ai-chat/component/prologue-content/index.vue
index 75d70477..f2e72697 100644
--- a/ui/src/components/ai-chat/component/prologue-content/index.vue
+++ b/ui/src/components/ai-chat/component/prologue-content/index.vue
@@ -1,11 +1,11 @@
 <template>
   <!-- 开场白组件 -->
   <div class="item-content mb-16">
-    <div class="avatar">
+    <div class="avatar" v-if="prologue">
       <img v-if="application.avatar" :src="application.avatar" height="32px" width="32px" />
       <LogoIcon v-else height="32px" width="32px" />
     </div>
-    <div class="content">
+    <div class="content" v-if="prologue">
       <el-card shadow="always" class="dialog-card" style="--el-card-padding: 10px 16px 12px">
         <MdRenderer :source="prologue" :send-message="sendMessage"></MdRenderer>
       </el-card>
diff --git a/ui/src/views/log/index.vue b/ui/src/views/log/index.vue
index 5bb8141c..7305e087 100644
--- a/ui/src/views/log/index.vue
+++ b/ui/src/views/log/index.vue
@@ -48,6 +48,7 @@
         :row-class-name="setRowClass"
         @selection-change="handleSelectionChange"
         class="log-table"
+        ref="multipleTableRef"
       >
         <el-table-column type="selection" width="55" />
         <el-table-column prop="abstract" label="摘要" show-overflow-tooltip />
@@ -274,6 +275,7 @@ import useStore from '@/stores'
 import type { Dict } from '@/api/type/common'
 import { t } from '@/locales'
 import type { FormInstance, FormRules } from 'element-plus'
+import { ElTable } from 'element-plus'
 
 const { application, log, document, user } = useStore()
 const route = useRoute()
@@ -313,6 +315,8 @@ const daterange = ref({
   start_time: '',
   end_time: ''
 })
+
+const multipleTableRef = ref<InstanceType<typeof ElTable>>()
 const multipleSelection = ref<any[]>([])
 
 const ChatRecordRef = ref()
@@ -587,7 +591,7 @@ const submitForm = async (formEl: FormInstance | undefined) => {
         chat_ids: arr
       }
       logApi.postChatRecordLog(id, form.value.dataset_id, obj, documentLoading).then((res: any) => {
-        multipleSelection.value = []
+        multipleTableRef.value?.clearSelection()
         documentDialogVisible.value = false
       })
     }