diff --git a/src/renderer/src/pages/home/components/AssistantSettings.tsx b/src/renderer/src/pages/home/components/AssistantSettings.tsx
index 21fe6eaf..e100fc19 100644
--- a/src/renderer/src/pages/home/components/AssistantSettings.tsx
+++ b/src/renderer/src/pages/home/components/AssistantSettings.tsx
@@ -1,6 +1,6 @@
 import { QuestionCircleOutlined } from '@ant-design/icons'
 import { DEFAULT_CONEXTCOUNT, DEFAULT_TEMPERATURE } from '@renderer/config/constant'
-import { useAssistants } from '@renderer/hooks/useAssistant'
+import { useAssistant, useAssistants } from '@renderer/hooks/useAssistant'
 import { Assistant } from '@renderer/types'
 import { Button, Col, InputNumber, Popover, Row, Slider, Tooltip } from 'antd'
 import { debounce } from 'lodash'
@@ -12,10 +12,11 @@ interface Props {
   assistant: Assistant
 }
 
-const PopoverContent: FC<Props> = ({ assistant }) => {
+const PopoverContent: FC<Props> = (props) => {
+  const { assistant } = useAssistant(props.assistant.id)
   const { updateAssistant } = useAssistants()
-  const [temperature, setTemperature] = useState(assistant.settings?.temperature ?? DEFAULT_TEMPERATURE)
-  const [contextCount, setConextCount] = useState(assistant.settings?.contextCount ?? DEFAULT_CONEXTCOUNT)
+  const [temperature, setTemperature] = useState(assistant?.settings?.temperature ?? DEFAULT_TEMPERATURE)
+  const [contextCount, setConextCount] = useState(assistant?.settings?.contextCount ?? DEFAULT_CONEXTCOUNT)
   const { t } = useTranslation()
 
   const onUpdateAssistantSettings = useCallback(
@@ -64,8 +65,8 @@ const PopoverContent: FC<Props> = ({ assistant }) => {
   }
 
   useEffect(() => {
-    setTemperature(assistant.settings?.temperature ?? DEFAULT_TEMPERATURE)
-    setConextCount(assistant.settings?.contextCount ?? DEFAULT_CONEXTCOUNT)
+    setTemperature(assistant?.settings?.temperature ?? DEFAULT_TEMPERATURE)
+    setConextCount(assistant?.settings?.contextCount ?? DEFAULT_CONEXTCOUNT)
   }, [assistant])
 
   return (
diff --git a/src/renderer/src/pages/home/components/Assistants.tsx b/src/renderer/src/pages/home/components/Assistants.tsx
index 846cc80c..35af3bdd 100644
--- a/src/renderer/src/pages/home/components/Assistants.tsx
+++ b/src/renderer/src/pages/home/components/Assistants.tsx
@@ -5,9 +5,10 @@ import { useAssistants } from '@renderer/hooks/useAssistant'
 import { getDefaultTopic } from '@renderer/services/assistant'
 import { Assistant } from '@renderer/types'
 import { droppableReorder, uuid } from '@renderer/utils'
-import { Dropdown, MenuProps } from 'antd'
+import { Dropdown } from 'antd'
+import { ItemType } from 'antd/es/menu/interface'
 import { last } from 'lodash'
-import { FC, useRef } from 'react'
+import { FC } from 'react'
 import { useTranslation } from 'react-i18next'
 import styled from 'styled-components'
 
@@ -19,7 +20,6 @@ interface Props {
 
 const Assistants: FC<Props> = ({ activeAssistant, setActiveAssistant, onCreateAssistant }) => {
   const { assistants, removeAssistant, updateAssistant, addAssistant, updateAssistants } = useAssistants()
-  const targetAssistant = useRef<Assistant | null>(null)
 
   const { t } = useTranslation()
 
@@ -29,39 +29,36 @@ const Assistants: FC<Props> = ({ activeAssistant, setActiveAssistant, onCreateAs
     removeAssistant(assistant.id)
   }
 
-  const items: MenuProps['items'] = [
-    {
-      label: t('common.edit'),
-      key: 'edit',
-      icon: <EditOutlined />,
-      async onClick() {
-        if (targetAssistant.current) {
-          const _assistant = await AssistantSettingPopup.show({ assistant: targetAssistant.current })
+  const getMenuItems = (assistant: Assistant) =>
+    [
+      {
+        label: t('common.edit'),
+        key: 'edit',
+        icon: <EditOutlined />,
+        async onClick() {
+          const _assistant = await AssistantSettingPopup.show({ assistant })
           updateAssistant(_assistant)
         }
+      },
+      {
+        label: t('common.duplicate'),
+        key: 'duplicate',
+        icon: <CopyOutlined />,
+        onClick: async () => {
+          const _assistant: Assistant = { ...assistant, id: uuid(), topics: [getDefaultTopic()] }
+          addAssistant(_assistant)
+          setActiveAssistant(_assistant)
+        }
+      },
+      { type: 'divider' },
+      {
+        label: t('common.delete'),
+        key: 'delete',
+        icon: <DeleteOutlined />,
+        danger: true,
+        onClick: () => onDelete(assistant)
       }
-    },
-    {
-      label: t('common.duplicate'),
-      key: 'duplicate',
-      icon: <CopyOutlined />,
-      async onClick() {
-        const assistant: Assistant = { ...activeAssistant, id: uuid(), topics: [getDefaultTopic()] }
-        addAssistant(assistant)
-        setActiveAssistant(assistant)
-      }
-    },
-    { type: 'divider' },
-    {
-      label: t('common.delete'),
-      key: 'delete',
-      icon: <DeleteOutlined />,
-      danger: true,
-      onClick: () => {
-        targetAssistant.current && onDelete(targetAssistant.current)
-      }
-    }
-  ]
+    ] as ItemType[]
 
   const onDragEnd = (result: DropResult) => {
     if (result.destination) {
@@ -82,11 +79,7 @@ const Assistants: FC<Props> = ({ activeAssistant, setActiveAssistant, onCreateAs
                 <Draggable key={`draggable_${assistant.id}_${index}`} draggableId={assistant.id} index={index}>
                   {(provided) => (
                     <div ref={provided.innerRef} {...provided.draggableProps} {...provided.dragHandleProps}>
-                      <Dropdown
-                        key={assistant.id}
-                        menu={{ items }}
-                        trigger={['contextMenu']}
-                        onOpenChange={() => (targetAssistant.current = assistant)}>
+                      <Dropdown key={assistant.id} menu={{ items: getMenuItems(assistant) }} trigger={['contextMenu']}>
                         <AssistantItem
                           onClick={() => setActiveAssistant(assistant)}
                           className={assistant.id === activeAssistant?.id ? 'active' : ''}>
diff --git a/src/renderer/src/pages/home/components/Messages.tsx b/src/renderer/src/pages/home/components/Messages.tsx
index 4b34ed87..528e3287 100644
--- a/src/renderer/src/pages/home/components/Messages.tsx
+++ b/src/renderer/src/pages/home/components/Messages.tsx
@@ -65,7 +65,6 @@ const Messages: FC<Props> = ({ assistant, topic }) => {
   useEffect(() => {
     const unsubscribes = [
       EventEmitter.on(EVENT_NAMES.SEND_MESSAGE, async (msg: Message) => {
-        console.debug({ assistant, provider, message: msg, topic })
         onSendMessage(msg)
         fetchChatCompletion({ assistant, messages: [...messages, msg], topic, onResponse: setLastMessage })
       }),
diff --git a/src/renderer/src/pages/home/components/Topics.tsx b/src/renderer/src/pages/home/components/Topics.tsx
index b7882202..4eb07aac 100644
--- a/src/renderer/src/pages/home/components/Topics.tsx
+++ b/src/renderer/src/pages/home/components/Topics.tsx
@@ -4,7 +4,7 @@ import { useShowRightSidebar } from '@renderer/hooks/useStore'
 import { fetchMessagesSummary } from '@renderer/services/api'
 import { Assistant, Topic } from '@renderer/types'
 import { Button, Dropdown, MenuProps, Popconfirm } from 'antd'
-import { FC, useRef } from 'react'
+import { FC } from 'react'
 import styled from 'styled-components'
 import { DeleteOutlined, EditOutlined, SignatureOutlined } from '@ant-design/icons'
 import LocalStorage from '@renderer/services/storage'
@@ -21,57 +21,57 @@ interface Props {
 const Topics: FC<Props> = ({ assistant, activeTopic, setActiveTopic }) => {
   const { showRightSidebar } = useShowRightSidebar()
   const { removeTopic, updateTopic, removeAllTopics, updateTopics } = useAssistant(assistant.id)
-  const currentTopic = useRef<Topic | null>(null)
   const { t } = useTranslation()
 
-  const topicMenuItems: MenuProps['items'] = [
-    {
-      label: t('assistant.topics.auto_rename'),
-      key: 'auto-rename',
-      icon: <SignatureOutlined />,
-      async onClick() {
-        if (currentTopic.current) {
-          const messages = await LocalStorage.getTopicMessages(currentTopic.current.id)
+  const getTopicMenuItems = (topic: Topic) => {
+    const menus: MenuProps['items'] = [
+      {
+        label: t('assistant.topics.auto_rename'),
+        key: 'auto-rename',
+        icon: <SignatureOutlined />,
+        async onClick() {
+          const messages = await LocalStorage.getTopicMessages(topic.id)
           if (messages.length >= 2) {
             const summaryText = await fetchMessagesSummary({ messages, assistant })
             if (summaryText) {
-              updateTopic({ ...currentTopic.current, name: summaryText })
+              updateTopic({ ...topic, name: summaryText })
             }
           }
         }
-      }
-    },
-    {
-      label: t('common.rename'),
-      key: 'rename',
-      icon: <EditOutlined />,
-      async onClick() {
-        const name = await PromptPopup.show({
-          title: t('assistant.topics.edit.title'),
-          message: t('assistant.topics.edit.placeholder'),
-          defaultValue: currentTopic.current?.name || ''
-        })
-        if (name && currentTopic.current && currentTopic.current?.name !== name) {
-          updateTopic({ ...currentTopic.current, name })
+      },
+      {
+        label: t('common.rename'),
+        key: 'rename',
+        icon: <EditOutlined />,
+        async onClick() {
+          const name = await PromptPopup.show({
+            title: t('assistant.topics.edit.title'),
+            message: t('assistant.topics.edit.placeholder'),
+            defaultValue: topic?.name || ''
+          })
+          if (name && topic?.name !== name) {
+            updateTopic({ ...topic, name })
+          }
         }
       }
-    }
-  ]
+    ]
 
-  if (assistant.topics.length > 1) {
-    topicMenuItems.push({ type: 'divider' })
-    topicMenuItems.push({
-      label: t('common.delete'),
-      danger: true,
-      key: 'delete',
-      icon: <DeleteOutlined />,
-      onClick() {
-        if (assistant.topics.length === 1) return
-        currentTopic.current && removeTopic(currentTopic.current)
-        currentTopic.current = null
-        setActiveTopic(assistant.topics[0])
-      }
-    })
+    if (assistant.topics.length > 1) {
+      menus.push({ type: 'divider' })
+      menus.push({
+        label: t('common.delete'),
+        danger: true,
+        key: 'delete',
+        icon: <DeleteOutlined />,
+        onClick() {
+          if (assistant.topics.length === 1) return
+          removeTopic(topic)
+          setActiveTopic(assistant.topics[0])
+        }
+      })
+    }
+
+    return menus
   }
 
   const onDragEnd = (result: DropResult) => {
@@ -108,11 +108,7 @@ const Topics: FC<Props> = ({ assistant, activeTopic, setActiveTopic }) => {
                 <Draggable key={`draggable_${topic.id}_${index}`} draggableId={topic.id} index={index}>
                   {(provided) => (
                     <div ref={provided.innerRef} {...provided.draggableProps} {...provided.dragHandleProps}>
-                      <Dropdown
-                        menu={{ items: topicMenuItems }}
-                        trigger={['contextMenu']}
-                        key={topic.id}
-                        onOpenChange={(open) => open && (currentTopic.current = topic)}>
+                      <Dropdown menu={{ items: getTopicMenuItems(topic) }} trigger={['contextMenu']} key={topic.id}>
                         <TopicListItem
                           className={topic.id === activeTopic?.id ? 'active' : ''}
                           onClick={() => setActiveTopic(topic)}>
diff --git a/src/renderer/src/services/ProviderSDK.ts b/src/renderer/src/services/ProviderSDK.ts
index 038a43ec..9d2cca93 100644
--- a/src/renderer/src/services/ProviderSDK.ts
+++ b/src/renderer/src/services/ProviderSDK.ts
@@ -47,7 +47,7 @@ export default class ProviderSDK {
           model: model.id,
           messages: [systemMessage, ...userMessages].filter(Boolean) as MessageParam[],
           max_tokens: 4096,
-          temperature: assistant.settings?.temperature
+          temperature: assistant?.settings?.temperature
         })
         .on('text', (text) => onChunk({ text: text || '' }))
         .on('finalMessage', (message) =>
@@ -64,7 +64,7 @@ export default class ProviderSDK {
         model: model.id,
         messages: [systemMessage, ...userMessages].filter(Boolean) as ChatCompletionMessageParam[],
         stream: true,
-        temperature: assistant.settings?.temperature
+        temperature: assistant?.settings?.temperature
       })
       for await (const chunk of stream) {
         if (window.keyv.get(EVENT_NAMES.CHAT_COMPLETION_PAUSED)) break
diff --git a/src/renderer/src/utils/index.ts b/src/renderer/src/utils/index.ts
index 03c97af9..12106c3b 100644
--- a/src/renderer/src/utils/index.ts
+++ b/src/renderer/src/utils/index.ts
@@ -169,10 +169,10 @@ export function getFirstCharacter(str) {
 }
 
 export const getAssistantSettings = (assistant: Assistant): AssistantSettings => {
-  const contextCount = assistant.settings?.contextCount ?? DEFAULT_CONEXTCOUNT
+  const contextCount = assistant?.settings?.contextCount ?? DEFAULT_CONEXTCOUNT
   return {
     contextCount: contextCount === 20 ? 100000 : contextCount,
-    temperature: assistant.settings?.temperature ?? DEFAULT_TEMPERATURE
+    temperature: assistant?.settings?.temperature ?? DEFAULT_TEMPERATURE
   }
 }