diff --git a/CHANGELOG.md b/CHANGELOG.md
index d927140..a233b4f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,14 @@
+## v2.8.3
+
+`2023-03-01`
+
+### Feature
+- 消息已输出内容不会因为中断而消失[#167]
+- 添加复制消息按钮[#133]
+
+### Other
+- `README` 添加声明内容
+
 ## v2.8.2
 
 `2023-02-28`
diff --git a/README.md b/README.md
index b1a1618..55e70fd 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # ChatGPT Web
 
-> 使用 `express` 和 `vue3` 搭建的支持 `ChatGPT` 双模型演示网页
+> 声明：此项目只发布于 Github，基于 MIT 协议，免费且作为开源学习使用。并且不会有任何形式的卖号、付费服务、讨论群、讨论组等行为。谨防受骗。
 
 ![cover](./docs/c1-2.8.0.png)
 ![cover2](./docs/c2-2.8.0.png)
diff --git a/package.json b/package.json
index b9660f1..ac0c609 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "chatgpt-web",
-  "version": "2.8.2",
+  "version": "2.8.3",
   "private": false,
   "description": "ChatGPT Web",
   "author": "ChenZhaoYu <chenzhaoyu1994@gmail.com>",
diff --git a/service/.env b/service/.env
index 0bb4ad6..eafc0c4 100644
--- a/service/.env
+++ b/service/.env
@@ -8,4 +8,4 @@ OPENAI_ACCESS_TOKEN=
 API_REVERSE_PROXY=
 
 # timeout
-TIMEOUT_MS=60000
+TIMEOUT_MS=100000
diff --git a/src/hooks/useIconRender.ts b/src/hooks/useIconRender.ts
new file mode 100644
index 0000000..73b9114
--- /dev/null
+++ b/src/hooks/useIconRender.ts
@@ -0,0 +1,36 @@
+import { h } from 'vue'
+import { SvgIcon } from '@/components/common'
+
+export const useIconRender = () => {
+  interface IconConfig {
+    icon?: string
+    color?: string
+    fontSize?: number
+  }
+
+  interface IconStyle {
+    color?: string
+    fontSize?: string
+  }
+
+  const iconRender = (config: IconConfig) => {
+    const { color, fontSize, icon } = config
+
+    const style: IconStyle = {}
+
+    if (color)
+      style.color = color
+
+    if (fontSize)
+      style.fontSize = `${fontSize}px`
+
+    if (!icon)
+      window.console.warn('iconRender: icon is required')
+
+    return () => h(SvgIcon, { icon, style })
+  }
+
+  return {
+    iconRender,
+  }
+}
diff --git a/src/store/modules/chat/index.ts b/src/store/modules/chat/index.ts
index b510a99..540954d 100644
--- a/src/store/modules/chat/index.ts
+++ b/src/store/modules/chat/index.ts
@@ -129,6 +129,22 @@ export const useChatStore = defineStore('chat-store', {
       }
     },
 
+    updateChatSomeByUuid(uuid: number, index: number, chat: Partial<Chat.Chat>) {
+      if (!uuid || uuid === 0) {
+        if (this.chat.length) {
+          this.chat[0].data[index] = { ...this.chat[0].data[index], ...chat }
+          this.recordState()
+        }
+        return
+      }
+
+      const chatIndex = this.chat.findIndex(item => item.uuid === uuid)
+      if (chatIndex !== -1) {
+        this.chat[chatIndex].data[index] = { ...this.chat[chatIndex].data[index], ...chat }
+        this.recordState()
+      }
+    },
+
     deleteChatByUuid(uuid: number, index: number) {
       if (!uuid || uuid === 0) {
         if (this.chat.length) {
diff --git a/src/utils/format/index.ts b/src/utils/format/index.ts
index 8383187..8539b5c 100644
--- a/src/utils/format/index.ts
+++ b/src/utils/format/index.ts
@@ -13,3 +13,15 @@ export function includeCode(text: string | null | undefined) {
   const regexp = /^(?:\s{4}|\t).+/gm
   return !!(text?.includes(' = ') || text?.match(regexp))
 }
+
+// 复制文本
+export function copyText(text: string) {
+  const input = document.createElement('input')
+  input.setAttribute('readonly', 'readonly')
+  input.setAttribute('value', text)
+  document.body.appendChild(input)
+  input.select()
+  if (document.execCommand('copy'))
+    document.execCommand('copy')
+  document.body.removeChild(input)
+}
diff --git a/src/views/chat/components/Message/index.vue b/src/views/chat/components/Message/index.vue
index 1b45d97..36b0a74 100644
--- a/src/views/chat/components/Message/index.vue
+++ b/src/views/chat/components/Message/index.vue
@@ -1,7 +1,10 @@
 <script setup lang='ts'>
+import { NDropdown, useMessage } from 'naive-ui'
 import AvatarComponent from './Avatar.vue'
 import TextComponent from './Text.vue'
 import { SvgIcon } from '@/components/common'
+import { copyText } from '@/utils/format'
+import { useIconRender } from '@/hooks/useIconRender'
 
 interface Props {
   dateTime?: string
@@ -16,14 +19,42 @@ interface Emit {
   (ev: 'delete'): void
 }
 
-defineProps<Props>()
+const props = defineProps<Props>()
 
 const emit = defineEmits<Emit>()
 
+const ms = useMessage()
+
+const { iconRender } = useIconRender()
+
+const options = [
+  {
+    label: 'Copy',
+    key: 'copy',
+    icon: iconRender({ icon: 'ri:file-copy-2-line' }),
+  }, {
+    label: 'Delete',
+    key: 'delete',
+    icon: iconRender({ icon: 'ri:delete-bin-line' }),
+  },
+]
+
+function handleSelect(key: 'copy' | 'delete') {
+  if (key === 'copy')
+    handleCopy()
+  else
+    handleDelete()
+}
+
 function handleDelete() {
   emit('delete')
 }
 
+function handleCopy() {
+  copyText(props.text ?? '')
+  ms.success('Copied')
+}
+
 function handleRegenerate() {
   emit('regenerate')
 }
@@ -59,12 +90,11 @@ function handleRegenerate() {
           >
             <SvgIcon icon="ri:restart-line" />
           </button>
-          <button
-            class="mb-1 transition text-neutral-400 hover:text-neutral-800 dark:hover:text-neutral-200"
-            @click="handleDelete"
-          >
-            <SvgIcon icon="ri:delete-bin-6-line" />
-          </button>
+          <NDropdown :options="options" @select="handleSelect">
+            <button class="transition text-neutral-300 hover:text-neutral-800 dark:hover:text-neutral-200">
+              <SvgIcon icon="ri:function-line" />
+            </button>
+          </NDropdown>
         </div>
       </div>
     </div>
diff --git a/src/views/chat/hooks/useChat.ts b/src/views/chat/hooks/useChat.ts
index 6d6848e..1eb9fcb 100644
--- a/src/views/chat/hooks/useChat.ts
+++ b/src/views/chat/hooks/useChat.ts
@@ -3,6 +3,10 @@ import { useChatStore } from '@/store'
 export function useChat() {
   const chatStore = useChatStore()
 
+  const getChatByUuidAndIndex = (uuid: number, index: number) => {
+    return chatStore.getChatByUuidAndIndex(uuid, index)
+  }
+
   const addChat = (uuid: number, chat: Chat.Chat) => {
     chatStore.addChatByUuid(uuid, chat)
   }
@@ -11,8 +15,14 @@ export function useChat() {
     chatStore.updateChatByUuid(uuid, index, chat)
   }
 
+  const updateChatSome = (uuid: number, index: number, chat: Partial<Chat.Chat>) => {
+    chatStore.updateChatSomeByUuid(uuid, index, chat)
+  }
+
   return {
     addChat,
     updateChat,
+    updateChatSome,
+    getChatByUuidAndIndex,
   }
 }
diff --git a/src/views/chat/index.vue b/src/views/chat/index.vue
index 07d054e..0c24d26 100644
--- a/src/views/chat/index.vue
+++ b/src/views/chat/index.vue
@@ -19,7 +19,7 @@ const ms = useMessage()
 const chatStore = useChatStore()
 
 const { isMobile } = useBasicLayout()
-const { addChat, updateChat } = useChat()
+const { addChat, updateChat, updateChatSome, getChatByUuidAndIndex } = useChat()
 const { scrollRef, scrollToBottom } = useScroll()
 
 const { uuid } = route.params as { uuid: string }
@@ -71,7 +71,7 @@ async function onConversation() {
     +uuid,
     {
       dateTime: new Date().toLocaleString(),
-      text: 'Aha, Thinking...',
+      text: '',
       loading: true,
       inversion: false,
       error: false,
@@ -118,10 +118,34 @@ async function onConversation() {
     })
   }
   catch (error: any) {
-    let errorMessage = error?.message ?? 'Something went wrong, please try again later.'
+    const errorMessage = error?.message ?? 'Something went wrong, please try again later.'
+
+    if (error.message === 'canceled') {
+      updateChatSome(
+        +uuid,
+        dataSources.value.length - 1,
+        {
+          loading: false,
+        },
+      )
+      scrollToBottom()
+      return
+    }
 
-    if (error.message === 'canceled')
-      errorMessage = 'Request canceled. Please try again.'
+    const currentChat = getChatByUuidAndIndex(+uuid, dataSources.value.length - 1)
+
+    if (currentChat?.text && currentChat.text !== '') {
+      updateChatSome(
+        +uuid,
+        dataSources.value.length - 1,
+        {
+          text: `${currentChat.text}\n[${errorMessage}]`,
+          error: false,
+          loading: false,
+        },
+      )
+      return
+    }
 
     updateChat(
       +uuid,
@@ -165,7 +189,7 @@ async function onRegenerate(index: number) {
     index,
     {
       dateTime: new Date().toLocaleString(),
-      text: 'Aha, Let me think again...',
+      text: '',
       inversion: false,
       error: false,
       loading: true,
@@ -210,10 +234,18 @@ async function onRegenerate(index: number) {
     })
   }
   catch (error: any) {
-    let errorMessage = error?.message ?? 'Something went wrong, please try again later.'
+    if (error.message === 'canceled') {
+      updateChatSome(
+        +uuid,
+        index,
+        {
+          loading: false,
+        },
+      )
+      return
+    }
 
-    if (error.message === 'canceled')
-      errorMessage = 'Request canceled. Please try again.'
+    const errorMessage = error?.message ?? 'Something went wrong, please try again later.'
 
     updateChat(
       +uuid,
@@ -343,8 +375,8 @@ onUnmounted(() => {
               @regenerate="onRegenerate(index)"
               @delete="handleDelete(index)"
             />
-            <div class="flex justify-center">
-              <NButton v-if="loading" ghost @click="handleStop">
+            <div class="sticky bottom-0 left-0 flex justify-center">
+              <NButton v-if="loading" type="warning" @click="handleStop">
                 <template #icon>
                   <SvgIcon icon="ri:stop-circle-line" />
                 </template>
diff --git a/src/views/chat/layout/sider/Footer.vue b/src/views/chat/layout/sider/Footer.vue
index 90a8fbd..6fb489d 100644
--- a/src/views/chat/layout/sider/Footer.vue
+++ b/src/views/chat/layout/sider/Footer.vue
@@ -1,11 +1,14 @@
 <script setup lang='ts'>
-import { computed, h, ref } from 'vue'
+import { computed, ref } from 'vue'
 import { NDropdown } from 'naive-ui'
 import { HoverButton, Setting, SvgIcon, UserAvatar } from '@/components/common'
 import { useAppStore } from '@/store'
+import { useIconRender } from '@/hooks/useIconRender'
 
 const appStore = useAppStore()
 
+const { iconRender } = useIconRender()
+
 const show = ref(false)
 
 const theme = computed(() => appStore.theme)
@@ -14,26 +17,20 @@ const options = [
   {
     label: 'Dark',
     key: 'dark',
-    icon: renderIcon('ri:moon-foggy-line'),
+    icon: iconRender({ icon: 'ri:moon-foggy-line' }),
   },
   {
     label: 'Light',
     key: 'light',
-    icon: renderIcon('ri:sun-foggy-line'),
+    icon: iconRender({ icon: 'ri:sun-foggy-line' }),
   },
   {
     label: 'Auto',
     key: 'auto',
-    icon: renderIcon('ri:contrast-line'),
+    icon: iconRender({ icon: 'ri:contrast-line' }),
   },
 ]
 
-function renderIcon(icon: string) {
-  return () => {
-    return h(SvgIcon, { icon })
-  }
-}
-
 function handleThemeChange(key: 'light' | 'dark' | 'auto') {
   appStore.setTheme(key)
 }
diff --git a/tsconfig.json b/tsconfig.json
index 8dac8b9..2d80f4e 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -16,7 +16,6 @@
     "paths": {
       "@/*": ["./src/*"]
     },
-    // @vueuse/core 不能通过 vue-tsc 检查，所以这里需要忽略，以后将移除
     "types": ["vite/client", "node", "naive-ui/volar", "web-bluetooth"]
   },
   "exclude": ["node_modules", "dist", "service"]