diff --git a/src/renderer/src/hooks/useAgents.ts b/src/renderer/src/hooks/useAgents.ts
index 5fc013b9..6734e486 100644
--- a/src/renderer/src/hooks/useAgents.ts
+++ b/src/renderer/src/hooks/useAgents.ts
@@ -1,6 +1,7 @@
 import { useAppDispatch, useAppSelector } from '@renderer/store'
 import {
   addTopic as _addTopic,
+  removeAllTopics as _removeAllTopics,
   removeTopic as _removeTopic,
   updateTopic as _updateTopic,
   addAgent,
@@ -35,13 +36,16 @@ export function useAgent(id: string) {
   return {
     agent,
     addTopic: (topic: Topic) => {
-      dispatch(_addTopic({ agentId: agent?.id, topic }))
+      dispatch(_addTopic({ agentId: agent.id, topic }))
     },
     removeTopic: (topic: Topic) => {
-      dispatch(_removeTopic({ agentId: agent?.id, topic }))
+      dispatch(_removeTopic({ agentId: agent.id, topic }))
     },
     updateTopic: (topic: Topic) => {
-      dispatch(_updateTopic({ agentId: agent?.id, topic }))
+      dispatch(_updateTopic({ agentId: agent.id, topic }))
+    },
+    removeAllTopics: () => {
+      dispatch(_removeAllTopics({ agentId: agent.id }))
     }
   }
 }
diff --git a/src/renderer/src/pages/home/components/Chat/Conversations.tsx b/src/renderer/src/pages/home/components/Chat/Conversations.tsx
index 0ce5b786..3356ac77 100644
--- a/src/renderer/src/pages/home/components/Chat/Conversations.tsx
+++ b/src/renderer/src/pages/home/components/Chat/Conversations.tsx
@@ -7,10 +7,10 @@ import MessageItem from './Message'
 import { reverse } from 'lodash'
 import hljs from 'highlight.js'
 import { fetchChatCompletion, fetchConversationSummary } from '@renderer/services/api'
-import { getTopicMessages } from '@renderer/services/topic'
 import { useAgent } from '@renderer/hooks/useAgents'
 import { DEFAULT_TOPIC_NAME } from '@renderer/config/constant'
 import { runAsyncFunction } from '@renderer/utils'
+import LocalStorage from '@renderer/services/storage'
 
 interface Props {
   agent: Agent
@@ -61,7 +61,7 @@ const Conversations: FC<Props> = ({ agent, topic }) => {
 
   useEffect(() => {
     runAsyncFunction(async () => {
-      const messages = await getTopicMessages(topic.id)
+      const messages = await LocalStorage.getTopicMessages(topic.id)
       setMessages(messages)
     })
   }, [topic.id])
diff --git a/src/renderer/src/pages/home/components/Chat/TopicList.tsx b/src/renderer/src/pages/home/components/Chat/TopicList.tsx
index 4a9fe4ae..edfcde11 100644
--- a/src/renderer/src/pages/home/components/Chat/TopicList.tsx
+++ b/src/renderer/src/pages/home/components/Chat/TopicList.tsx
@@ -2,11 +2,12 @@ import PromptPopup from '@renderer/components/Popups/PromptPopup'
 import { useAgent } from '@renderer/hooks/useAgents'
 import { useShowRightSidebar } from '@renderer/hooks/useStore'
 import { fetchConversationSummary } from '@renderer/services/api'
-import { getTopicMessages } from '@renderer/services/topic'
 import { Agent, Topic } from '@renderer/types'
-import { Dropdown, MenuProps } from 'antd'
+import { Button, Dropdown, MenuProps, Popconfirm } from 'antd'
 import { FC, useRef } from 'react'
 import styled from 'styled-components'
+import { DeleteOutlined } from '@ant-design/icons'
+import LocalStorage from '@renderer/services/storage'
 
 interface Props {
   agent: Agent
@@ -16,16 +17,16 @@ interface Props {
 
 const TopicList: FC<Props> = ({ agent, activeTopic, setActiveTopic }) => {
   const { showRightSidebar } = useShowRightSidebar()
-  const { removeTopic, updateTopic } = useAgent(agent.id)
+  const { removeTopic, updateTopic, removeAllTopics } = useAgent(agent.id)
   const currentTopic = useRef<Topic | null>(null)
 
-  const items: MenuProps['items'] = [
+  const topicMenuItems: MenuProps['items'] = [
     {
       label: 'AI Rename',
       key: 'ai-rename',
       async onClick() {
         if (currentTopic.current) {
-          const messages = await getTopicMessages(currentTopic.current.id)
+          const messages = await LocalStorage.getTopicMessages(currentTopic.current.id)
           if (messages.length >= 2) {
             const summaryText = await fetchConversationSummary({ messages })
             if (summaryText) {
@@ -52,8 +53,8 @@ const TopicList: FC<Props> = ({ agent, activeTopic, setActiveTopic }) => {
   ]
 
   if (agent.topics.length > 1) {
-    items.push({ type: 'divider' })
-    items.push({
+    topicMenuItems.push({ type: 'divider' })
+    topicMenuItems.push({
       label: 'Delete',
       danger: true,
       key: 'delete',
@@ -72,10 +73,23 @@ const TopicList: FC<Props> = ({ agent, activeTopic, setActiveTopic }) => {
 
   return (
     <Container className={showRightSidebar ? '' : 'collapsed'}>
-      <TopicTitle>Topics ({agent.topics.length})</TopicTitle>
+      <TopicTitle>
+        <span>Topics ({agent.topics.length})</span>
+        <Popconfirm
+          title="Delete all topic?"
+          description="Are you sure to delete all topics?"
+          placement="leftBottom"
+          onConfirm={removeAllTopics}
+          okText="Yes"
+          cancelText="No">
+          <DeleteButton type="text">
+            <DeleteIcon />
+          </DeleteButton>
+        </Popconfirm>
+      </TopicTitle>
       {agent.topics.map((topic) => (
         <Dropdown
-          menu={{ items }}
+          menu={{ items: topicMenuItems }}
           trigger={['contextMenu']}
           key={topic.id}
           onOpenChange={(open) => open && (currentTopic.current = topic)}>
@@ -118,6 +132,26 @@ const TopicTitle = styled.div`
   margin-bottom: 10px;
   font-size: 14px;
   color: var(--color-text-1);
+  display: flex;
+  flex-direction: row;
+  justify-content: space-between;
+  align-items: center;
+`
+
+const DeleteButton = styled(Button)`
+  width: 30px;
+  height: 30px;
+  border-radius: 50%;
+  padding: 0;
+  &:hover {
+    .anticon {
+      color: #ff4d4f;
+    }
+  }
+`
+
+const DeleteIcon = styled(DeleteOutlined)`
+  font-size: 16px;
 `
 
 export default TopicList
diff --git a/src/renderer/src/services/agent.ts b/src/renderer/src/services/agent.ts
index 42ee0cc3..6dd541f4 100644
--- a/src/renderer/src/services/agent.ts
+++ b/src/renderer/src/services/agent.ts
@@ -1,6 +1,5 @@
-import { DEFAULT_TOPIC_NAME } from '@renderer/config/constant'
 import { Agent } from '@renderer/types'
-import { uuid } from '@renderer/utils'
+import { getDefaultTopic } from './topic'
 
 export function getDefaultAgent(): Agent {
   return {
@@ -8,12 +7,6 @@ export function getDefaultAgent(): Agent {
     name: 'Default Agent',
     description: "Hello, I'm Default Agent.",
     prompt: '',
-    topics: [
-      {
-        id: uuid(),
-        name: DEFAULT_TOPIC_NAME,
-        messages: []
-      }
-    ]
+    topics: [getDefaultTopic()]
   }
 }
diff --git a/src/renderer/src/services/storage.ts b/src/renderer/src/services/storage.ts
new file mode 100644
index 00000000..3dc21869
--- /dev/null
+++ b/src/renderer/src/services/storage.ts
@@ -0,0 +1,13 @@
+import { Topic } from '@renderer/types'
+import localforage from 'localforage'
+
+export default class LocalStorage {
+  static async getTopicMessages(id: string) {
+    const topic = await localforage.getItem<Topic>(`topic:${id}`)
+    return topic ? topic.messages : []
+  }
+
+  static async removeTopic(id: string) {
+    localforage.removeItem(`topic:${id}`)
+  }
+}
diff --git a/src/renderer/src/services/topic.ts b/src/renderer/src/services/topic.ts
index 193394c3..fb1fb5af 100644
--- a/src/renderer/src/services/topic.ts
+++ b/src/renderer/src/services/topic.ts
@@ -1,7 +1,10 @@
 import { Topic } from '@renderer/types'
-import localforage from 'localforage'
+import { uuid } from '@renderer/utils'
 
-export async function getTopicMessages(id: string) {
-  const topic = await localforage.getItem<Topic>(`topic:${id}`)
-  return topic ? topic.messages : []
+export function getDefaultTopic(): Topic {
+  return {
+    id: uuid(),
+    name: 'Default Topic',
+    messages: []
+  }
 }
diff --git a/src/renderer/src/store/agents.ts b/src/renderer/src/store/agents.ts
index e12c8cb5..576425e7 100644
--- a/src/renderer/src/store/agents.ts
+++ b/src/renderer/src/store/agents.ts
@@ -1,5 +1,7 @@
 import { createSlice, PayloadAction } from '@reduxjs/toolkit'
 import { getDefaultAgent } from '@renderer/services/agent'
+import LocalStorage from '@renderer/services/storage'
+import { getDefaultTopic } from '@renderer/services/topic'
 import { Agent, Topic } from '@renderer/types'
 import { uniqBy } from 'lodash'
 
@@ -53,10 +55,23 @@ const agentsSlice = createSlice({
             }
           : agent
       )
+    },
+    removeAllTopics: (state, action: PayloadAction<{ agentId: string }>) => {
+      state.agents = state.agents.map((agent) => {
+        if (agent.id === action.payload.agentId) {
+          agent.topics.forEach((topic) => LocalStorage.removeTopic(topic.id))
+          return {
+            ...agent,
+            topics: [getDefaultTopic()]
+          }
+        }
+        return agent
+      })
     }
   }
 })
 
-export const { addAgent, removeAgent, updateAgent, addTopic, removeTopic, updateTopic } = agentsSlice.actions
+export const { addAgent, removeAgent, updateAgent, addTopic, removeTopic, updateTopic, removeAllTopics } =
+  agentsSlice.actions
 
 export default agentsSlice.reducer