diff --git a/server/routers/knowledge_router.py b/server/routers/knowledge_router.py
index 65057788..1f535ab0 100644
--- a/server/routers/knowledge_router.py
+++ b/server/routers/knowledge_router.py
@@ -134,12 +134,22 @@ async def update_database_info(
     name: str = Body(...),
     description: str = Body(...),
     llm_info: dict = Body(None),
+    additional_params: dict = Body({}), # Now accepts a dict
     current_user: User = Depends(get_admin_user),
 ):
     """更新知识库信息"""
-    logger.debug(f"Update database {db_id} info: {name}, {description}, llm_info: {llm_info}")
+    logger.debug(
+        f"Update database {db_id} info: {name}, {description}, llm_info: {llm_info}, "
+        f"additional_params: {additional_params}"
+    )
     try:
-        database = await knowledge_base.update_database(db_id, name, description, llm_info)
+        database = await knowledge_base.update_database(
+            db_id,
+            name,
+            description,
+            llm_info,
+            additional_params=additional_params, # Pass the dict to the manager
+        )
         return {"message": "更新成功", "database": database}
     except Exception as e:
         logger.error(f"更新数据库失败 {e}, {traceback.format_exc()}")
diff --git a/src/knowledge/manager.py b/src/knowledge/manager.py
index e46c6ca6..210b2be8 100644
--- a/src/knowledge/manager.py
+++ b/src/knowledge/manager.py
@@ -246,12 +246,16 @@ class KnowledgeBaseManager:
         db_id = db_info["db_id"]
 
         async with self._metadata_lock:
+            # 准备 additional_params，包含 auto_generate_questions
+            saved_params = kwargs.copy()
+            saved_params["auto_generate_questions"] = False
+
             self.global_databases_meta[db_id] = {
                 "name": database_name,
                 "description": description,
                 "kb_type": kb_type,
                 "created_at": utc_isoformat(),
-                "additional_params": kwargs.copy(),
+                "additional_params": saved_params,
             }
             self._save_global_metadata()
 
@@ -303,9 +307,13 @@ class KnowledgeBaseManager:
             # 添加全局元数据中的additional_params信息
             if db_info and db_id in self.global_databases_meta:
                 global_meta = self.global_databases_meta[db_id]
-                additional_params = global_meta.get("additional_params", {})
-                if additional_params:
-                    db_info["additional_params"] = additional_params
+                additional_params = global_meta.get("additional_params", {}).copy()
+
+                # 确保 auto_generate_questions 存在，默认为 False
+                if "auto_generate_questions" not in additional_params:
+                    additional_params["auto_generate_questions"] = False
+
+                db_info["additional_params"] = additional_params
 
             return db_info
         except KBNotFoundError:
@@ -371,7 +379,9 @@ class KnowledgeBaseManager:
 
         return False
 
-    async def update_database(self, db_id: str, name: str, description: str, llm_info: dict = None) -> dict:
+    async def update_database(
+        self, db_id: str, name: str, description: str, llm_info: dict = None, additional_params: dict | None = None
+    ) -> dict:
         """更新数据库"""
         kb_instance = self._get_kb_for_database(db_id)
         result = kb_instance.update_database(db_id, name, description, llm_info)
@@ -380,6 +390,16 @@ class KnowledgeBaseManager:
             if db_id in self.global_databases_meta:
                 self.global_databases_meta[db_id]["name"] = name
                 self.global_databases_meta[db_id]["description"] = description
+
+                # 合并现有的 additional_params 和新的 additional_params
+                existing_additional_params = self.global_databases_meta[db_id].get("additional_params", {})
+                if additional_params:
+                    existing_additional_params.update(additional_params)
+                self.global_databases_meta[db_id]["additional_params"] = existing_additional_params
+
+                # 清理旧的 top-level key (如果存在)
+                self.global_databases_meta[db_id].pop("auto_generate_questions", None)
+
                 self._save_global_metadata()
 
         return result
diff --git a/web/src/components/KnowledgeBaseCard.vue b/web/src/components/KnowledgeBaseCard.vue
index 0df1a187..20d23d88 100644
--- a/web/src/components/KnowledgeBaseCard.vue
+++ b/web/src/components/KnowledgeBaseCard.vue
@@ -66,6 +66,12 @@
       <a-form-item label="知识库描述" name="description">
         <a-textarea v-model:value="editForm.description" placeholder="请输入知识库描述" :rows="4" />
       </a-form-item>
+      
+      <a-form-item label="自动生成问题" name="auto_generate_questions">
+        <a-switch v-model:checked="editForm.auto_generate_questions" checked-children="开启" un-checked-children="关闭" />
+        <span style="margin-left: 8px; font-size: 12px; color: var(--gray-500);">上传文件后自动生成测试问题</span>
+      </a-form-item>
+
       <!-- 仅对 LightRAG 类型显示 LLM 配置 -->
       <a-form-item v-if="database.kb_type === 'lightrag'" label="语言模型 (LLM)" name="llm_info">
         <ModelSelectorComponent
@@ -144,6 +150,7 @@ const editFormRef = ref(null);
 const editForm = reactive({
   name: '',
   description: '',
+  auto_generate_questions: false,
   llm_info: {
     provider: '',
     model_name: ''
@@ -157,6 +164,8 @@ const rules = {
 const showEditModal = () => {
   editForm.name = database.value.name || '';
   editForm.description = database.value.description || '';
+  editForm.auto_generate_questions = database.value.additional_params?.auto_generate_questions || false;
+  
   // 如果是 LightRAG 类型，加载当前的 LLM 配置
   if (database.value.kb_type === 'lightrag') {
     const llmInfo = database.value.llm_info || {};
@@ -170,7 +179,10 @@ const handleEditSubmit = () => {
   editFormRef.value.validate().then(async () => {
     const updateData = {
       name: editForm.name,
-      description: editForm.description
+      description: editForm.description,
+      additional_params: {
+        auto_generate_questions: editForm.auto_generate_questions
+      }
     };
 
     // 如果是 LightRAG 类型，包含 llm_info
diff --git a/web/src/components/QuerySection.vue b/web/src/components/QuerySection.vue
index 0253b56d..d1e1fb32 100644
--- a/web/src/components/QuerySection.vue
+++ b/web/src/components/QuerySection.vue
@@ -14,18 +14,29 @@
             />
             <div class="search-actions">
               <div class="query-examples-compact">
-                <span class="examples-label">示例：</span>
+                <div class="examples-label-group">
+                  <a-tooltip title="点击手动生成测试问题" placement="bottom">
+                    <a-button
+                      type="text"
+                      size="small"
+                      class="examples-label-btn"
+                      @click="() => generateSampleQuestions(false)"
+                    >
+                      示例<ReloadOutlined />:
+                    </a-button>
+                  </a-tooltip>
+                </div>
                 <div class="examples-container">
                   <!-- 加载中或生成中 -->
                   <div v-if="loadingQuestions || generatingQuestions" class="loading-text">
                     <a-spin size="small" />
                     <span>{{ generatingQuestions ? 'AI生成中...' : '加载中...' }}</span>
                   </div>
-                  
+
                   <!-- 示例轮播 -->
                   <transition v-else-if="queryExamples.length > 0" name="fade" mode="out-in">
                     <a-button
-                      type="text"
+                      type="link"
                       :key="currentExampleIndex"
                       @click="useQueryExample(queryExamples[currentExampleIndex])"
                       size="small"
@@ -34,9 +45,9 @@
                       {{ queryExamples[currentExampleIndex] }}
                     </a-button>
                   </transition>
-                  
+
                   <!-- 空状态 - 添加文件后会自动生成 -->
-                  <span v-else style="color: var(--gray-500); font-size: 12px;">添加文件后自动生成</span>
+                  <span v-else style="color: var(--gray-500); font-size: 12px;">暂无问题，请点击左侧按钮生成</span>
                 </div>
               </div>
               <div style="display: flex; gap: 12px; align-items: center;">
@@ -136,6 +147,7 @@ import { message } from 'ant-design-vue';
 import { queryApi } from '@/apis/knowledge_api';
 import {
   SearchOutlined,
+  ReloadOutlined,
 } from '@ant-design/icons-vue';
 
 const store = useDatabaseStore();
@@ -170,7 +182,7 @@ let exampleCarouselInterval = null;
 // 加载示例问题
 const loadSampleQuestions = async () => {
   if (!store.database?.db_id) return;
-  
+
   try {
     loadingQuestions.value = true;
     const data = await queryApi.getSampleQuestions(store.database.db_id);
@@ -202,7 +214,7 @@ const clearQuestions = () => {
 // 生成示例问题
 const generateSampleQuestions = async (silent = false) => {
   if (!store.database?.db_id) return;
-  
+
   try {
     generatingQuestions.value = true;
     const data = await queryApi.generateSampleQuestions(store.database.db_id, 10);
@@ -311,10 +323,10 @@ const onQuery = async () => {
 onMounted(async () => {
   // 加载查询参数
   store.loadQueryParams();
-  
+
   // 加载示例问题
   await loadSampleQuestions();
-  
+
   // 如果有示例问题，启动轮播
   if (queryExamples.value.length > 0) {
     startExampleCarousel();
@@ -583,10 +595,21 @@ defineExpose({
   flex-wrap: wrap;
 }
 
-.examples-label {
-  font-size: 12px;
+.examples-label-btn {
   color: var(--gray-500);
-  white-space: nowrap;
+  font-size: 12px;
+  display: flex;
+  align-items: center;
+  margin-left: -8px;
+
+  &:hover {
+    color: var(--main-color);
+    background-color: var(--gray-100);
+  }
+
+  .anticon { /* Target Ant Design icons directly */
+    font-size: 10px; /* Make icon smaller */
+  }
 }
 
 .examples-container {
@@ -607,8 +630,13 @@ defineExpose({
   text-align: left;
   white-space: normal;
   height: auto;
-  padding: 4px 8px;
+  padding: 0;
   font-size: 12px;
+  color: var(--gray-500);
+
+  &:hover {
+    color: var(--main-color);
+  }
 }
 
 .fade-enter-active,
diff --git a/web/src/views/DataBaseInfoView.vue b/web/src/views/DataBaseInfoView.vue
index 51fee778..00789d3d 100644
--- a/web/src/views/DataBaseInfoView.vue
+++ b/web/src/views/DataBaseInfoView.vue
@@ -214,15 +214,24 @@ watch(
         setTimeout(async () => {
           console.log('文件数量变化，检查是否需要生成问题，querySectionRef:', querySectionRef.value);
           if (querySectionRef.value) {
-            console.log('开始重新生成问题...');
-            await querySectionRef.value.generateSampleQuestions(true);
+            // 检查是否开启了自动生成问题
+            if (database.value.additional_params?.auto_generate_questions) {
+              console.log('开始重新生成问题...');
+              await querySectionRef.value.generateSampleQuestions(true);
+            } else {
+              console.log('自动生成问题已关闭，跳过生成');
+            }
           } else {
             console.warn('querySectionRef 未准备好，稍后重试');
             // 如果组件还没准备好，再等一会儿
             setTimeout(async () => {
               if (querySectionRef.value) {
-                console.log('延迟后开始生成问题...');
-                await querySectionRef.value.generateSampleQuestions(true);
+                if (database.value.additional_params?.auto_generate_questions) {
+                  console.log('延迟后开始生成问题...');
+                  await querySectionRef.value.generateSampleQuestions(true);
+                } else {
+                  console.log('自动生成问题已关闭，跳过生成');
+                }
               }
             }, 2000);
           }