diff --git a/src/core/history.py b/src/core/history.py
index 6b9fbced..98faa01c 100644
--- a/src/core/history.py
+++ b/src/core/history.py
@@ -25,9 +25,13 @@ class HistoryManager():
             self.add_ai(content)
             return self.messages
 
-    def get_history_with_msg(self, msg, role="user"):
+    def get_history_with_msg(self, msg, role="user", max_rounds=None):
         """Get history with new message, but not append it to history."""
-        history = self.messages[:]
+        if max_rounds is None:
+            history = self.messages[:]
+        else:
+            history = self.messages[-(2*max_rounds):]
+
         history.append({"role": role, "content": msg})
         return history
 
diff --git a/src/views/common_view.py b/src/views/common_view.py
index 221264ad..d9445401 100644
--- a/src/views/common_view.py
+++ b/src/views/common_view.py
@@ -34,7 +34,7 @@ def chat():
 
     new_query, refs = startup.retriever(query, history_manager.messages, meta)
 
-    messages = history_manager.get_history_with_msg(new_query)
+    messages = history_manager.get_history_with_msg(new_query, max_rounds=meta.get('history_round'))
     history_manager.add_user(query)
     logger.debug(f"Web history: {history_manager}")
 
diff --git a/web/src/components/ChatComponent.vue b/web/src/components/ChatComponent.vue
index b7a7ac0c..e1cf86cc 100644
--- a/web/src/components/ChatComponent.vue
+++ b/web/src/components/ChatComponent.vue
@@ -43,7 +43,7 @@
           <component :is="opts.showPanel ? FolderOpenOutlined : FolderOutlined" /> <span class="text">选项</span>
         </div>
         <div v-if="opts.showPanel" class="my-panal swing-in-top-fwd" ref="panel">
-          <div class="graphbase flex-center" v-if="configStore.config.enable_knowledge_base">
+          <div class="flex-center" v-if="configStore.config.enable_knowledge_base">
             知识库
             <div @click.stop>
               <a-dropdown>
@@ -65,21 +65,24 @@
               </a-dropdown>
             </div>
           </div>
-          <div class="graphbase flex-center" @click="meta.use_graph = !meta.use_graph" v-if="configStore.config.enable_knowledge_base">
+          <div class="flex-center" @click="meta.use_graph = !meta.use_graph" v-if="configStore.config.enable_knowledge_base">
             图数据库 <div @click.stop><a-switch v-model:checked="meta.use_graph" /></div>
           </div>
-          <div class="graphbase flex-center" @click="meta.use_web = !meta.use_web" v-if="configStore.config.enable_search_engine">
+          <div class="flex-center" @click="meta.use_web = !meta.use_web" v-if="configStore.config.enable_search_engine">
             搜索引擎（Bing） <div @click.stop><a-switch v-model:checked="meta.use_web" /></div>
           </div>
-          <div class="graphbase flex-center" @click="meta.rewrite_query = !meta.rewrite_query" v-if="configStore.config.enable_reranker">
+          <div class="flex-center" @click="meta.rewrite_query = !meta.rewrite_query" v-if="configStore.config.enable_reranker">
             重写查询 <div @click.stop><a-switch v-model:checked="meta.rewrite_query" /></div>
           </div>
-          <div class="graphbase flex-center" @click="meta.rewrite_query = !meta.rewrite_query">
+          <div class="flex-center" @click="meta.rewrite_query = !meta.rewrite_query">
             流式输出 <div @click.stop><a-switch v-model:checked="meta.stream" /></div>
           </div>
-          <div class="graphbase flex-center" @click="meta.summary_title = !meta.summary_title">
+          <div class="flex-center" @click="meta.summary_title = !meta.summary_title">
             总结对话标题 <div @click.stop><a-switch v-model:checked="meta.summary_title" /></div>
           </div>
+          <div class="flex-center">
+            最大历史轮数     <a-input-number id="inputNumber" v-model:value="meta.history_round" :min="1" :max="50" />
+          </div>
         </div>
       </div>
     </div>
@@ -216,6 +219,7 @@ const meta = reactive(JSON.parse(localStorage.getItem('meta')) || {
   selectedKB: null,
   stream: true,
   summary_title: true,
+  history_round: 5,
 })
 
 // 更多选项可以在 marked 文档中找到：https://marked.js.org/
@@ -517,9 +521,6 @@ watch(
     justify-content: space-between;
     align-items: center;
     gap: 10px;
-  }
-
-  .graphbase {
     padding: 8px 16px;
     border-radius: 12px;
     cursor: pointer;