diff --git a/ui/src/api/dataset.ts b/ui/src/api/dataset.ts
index 1d6b92d1..a95395b4 100644
--- a/ui/src/api/dataset.ts
+++ b/ui/src/api/dataset.ts
@@ -157,7 +157,7 @@ const putSyncWebDateset: (
   sync_type: string,
   loading?: Ref<boolean>
 ) => Promise<Result<any>> = (dataset_id, sync_type, loading) => {
-  return put(`${prefix}/${dataset_id}/sync_web`, { sync_type }, loading)
+  return put(`${prefix}/${dataset_id}/sync_web`, undefined, { sync_type }, loading)
 }
 
 export default {
diff --git a/ui/src/components/ai-chat/index.vue b/ui/src/components/ai-chat/index.vue
index f86700b5..d422285c 100644
--- a/ui/src/components/ai-chat/index.vue
+++ b/ui/src/components/ai-chat/index.vue
@@ -29,29 +29,7 @@
                   :modelValue="item"
                 />
               </template>
-
-              <!-- {{ prologueList }}
-              <h4>您好，我是 {{ data?.name || '应用名称' }}</h4>
-              <div class="mt-4" v-if="data?.prologue">
-                <el-text type="info">{{ data?.prologue }}</el-text>
-              </div> -->
             </el-card>
-            <!-- <el-card shadow="always" class="dialog-card mt-12" v-if="data?.example?.length > 0">
-              <h4 class="mb-8">您可以尝试输入以下问题：</h4>
-              <el-space wrap>
-                <template v-for="(item, index) in data?.example" :key="index">
-                  <div
-                    @click="quickProblemHandel(item)"
-                    class="problem-button ellipsis-2"
-                    :class="log ? 'disabled' : 'cursor'"
-                    v-if="item"
-                  >
-                    <el-icon><EditPen /></el-icon>
-                    {{ item }}
-                  </div>
-                </template>
-              </el-space>
-            </el-card> -->
           </div>
         </div>
         <template v-for="(item, index) in chatList" :key="index">
@@ -84,6 +62,9 @@
 
               <el-card v-else shadow="always" class="dialog-card">
                 <MdRenderer :source="item.answer_text"></MdRenderer>
+                <div v-if="item.write_ed || log">
+                  <el-divider> <el-text type="info">知识来源</el-text> </el-divider>
+                </div>
               </el-card>
               <div class="flex-between mt-8" v-if="log">
                 <LogOperationButton v-model:data="chatList[index]" :applicationId="appId" />
diff --git a/ui/src/views/application/CreateAndSetting.vue b/ui/src/views/application/CreateAndSetting.vue
index 0b2d2fb3..6be1a6b4 100644
--- a/ui/src/views/application/CreateAndSetting.vue
+++ b/ui/src/views/application/CreateAndSetting.vue
@@ -221,6 +221,19 @@
                   :footers="[]"
                 />
               </el-form-item>
+              <el-form-item @click.prevent>
+                <template #label>
+                  <div class="flex align-center">
+                    <span>问题优化</span>
+                    <el-tooltip effect="dark" content="根据历史聊天优化完善当前问题，更利于匹配知识点。" placement="right">
+                      <el-icon style="font-size: 16px">
+                        <Warning />
+                      </el-icon>
+                    </el-tooltip>
+                  </div>
+                </template>
+                <el-switch size="small" v-model="applicationForm.problem_optimization"></el-switch>
+              </el-form-item>
             </el-form>
           </el-scrollbar>
         </div>