diff --git a/client/src/api/fetch.ts b/client/src/api/fetch.ts
index 3b0c75b44..58f295c66 100644
--- a/client/src/api/fetch.ts
+++ b/client/src/api/fetch.ts
@@ -89,8 +89,6 @@ export const streamFetch = ({
           });
           read();
         } catch (err: any) {
-          console.log(111111111111111111);
-
           if (err?.message === 'The user aborted a request.') {
             return resolve({
               responseText,
diff --git a/client/src/components/ChatBox/index.tsx b/client/src/components/ChatBox/index.tsx
index 686610b14..2c092bc87 100644
--- a/client/src/components/ChatBox/index.tsx
+++ b/client/src/components/ChatBox/index.tsx
@@ -17,6 +17,7 @@ import { useUserStore } from '@/store/user';
 import { Types } from 'mongoose';
 import { HUMAN_ICON, quoteLenKey, rawSearchKey } from '@/constants/chat';
 import Markdown from '@/components/Markdown';
+import { EventNameEnum } from '../Markdown/constant';
 import MyIcon from '@/components/Icon';
 import Avatar from '@/components/Avatar';
 
@@ -236,7 +237,7 @@ const ChatBox = (
    * user confirm send prompt
    */
   const sendPrompt = useCallback(
-    async (data: Record<string, any> = {}) => {
+    async (data: Record<string, any> = {}, inputVal = '') => {
       if (isChatting) {
         toast({
           title: '正在聊天中...请等待结束',
@@ -245,8 +246,7 @@ const ChatBox = (
         return;
       }
       // get input value
-      const value = TextareaDom.current?.value || '';
-      const val = value.trim().replace(/\n\s*/g, '\n');
+      const val = inputVal.trim().replace(/\n\s*/g, '\n');
 
       if (!val) {
         toast({
@@ -320,7 +320,7 @@ const ChatBox = (
         });
 
         if (!err?.responseText) {
-          resetInputVal(value);
+          resetInputVal(inputVal);
           setChatHistory(newChatList.slice(0, newChatList.length - 2));
         }
 
@@ -403,11 +403,25 @@ const ChatBox = (
               {/* avatar */}
               <ChatAvatar src={appAvatar} order={1} mr={['6px', 2]} />
               {/* message */}
-              <Flex order={2} pt={2} maxW={`calc(100% - ${isLargeWidth ? '75px' : '58px'})`}>
-                <Card bg={'white'} px={4} py={3} borderRadius={'0 8px 8px 8px'}>
-                  {welcomeText}
-                </Card>
-              </Flex>
+              <Card
+                order={2}
+                mt={2}
+                px={4}
+                py={3}
+                bg={'white'}
+                maxW={`calc(100% - ${isLargeWidth ? '75px' : '58px'})`}
+                borderRadius={'0 8px 8px 8px'}
+              >
+                <Markdown
+                  source={`~~~guide \n${welcomeText}`}
+                  isChatting={false}
+                  onClick={(e) => {
+                    const val = e?.data;
+                    if (e?.event !== EventNameEnum.guideClick || !val) return;
+                    handleSubmit((data) => sendPrompt(data, val))();
+                  }}
+                />
+              </Card>
             </Flex>
           )}
           {/* variable input */}
@@ -416,54 +430,59 @@ const ChatBox = (
               {/* avatar */}
               <ChatAvatar src={appAvatar} order={1} mr={['6px', 2]} />
               {/* message */}
-              <Flex order={2} pt={2} maxW={`calc(100% - ${isLargeWidth ? '75px' : '58px'})`}>
-                <Card bg={'white'} px={4} py={3} borderRadius={'0 8px 8px 8px'}>
-                  <Box>
-                    {variableModules.map((item) => (
-                      <Box w={'min(100%,300px)'} key={item.id} mb={4}>
-                        <VariableLabel required={item.required}>{item.label}</VariableLabel>
-                        {item.type === VariableInputEnum.input && (
-                          <Input
-                            isDisabled={variableIsFinish}
-                            {...register(item.key, {
-                              required: item.required
-                            })}
-                          />
-                        )}
-                        {item.type === VariableInputEnum.select && (
-                          <MySelect
-                            width={'100%'}
-                            isDisabled={variableIsFinish}
-                            list={(item.enums || []).map((item) => ({
-                              label: item.value,
-                              value: item.value
-                            }))}
-                            value={getValues(item.key)}
-                            onchange={(e) => {
-                              setValue(item.key, e);
-                              setRefresh(!refresh);
-                            }}
-                          />
-                        )}
-                      </Box>
-                    ))}
-                    {!variableIsFinish && (
-                      <Button
-                        leftIcon={<MyIcon name={'chatFill'} w={'16px'} />}
-                        size={'sm'}
-                        maxW={'100px'}
-                        borderRadius={'lg'}
-                        onClick={handleSubmit((data) => {
-                          onUpdateVariable?.(data);
-                          setVariables(data);
+              <Card
+                order={2}
+                mt={2}
+                flex={1}
+                bg={'white'}
+                px={4}
+                py={3}
+                borderRadius={'0 8px 8px 8px'}
+                maxW={'min(100%,400px)'}
+              >
+                {variableModules.map((item) => (
+                  <Box key={item.id} mb={4}>
+                    <VariableLabel required={item.required}>{item.label}</VariableLabel>
+                    {item.type === VariableInputEnum.input && (
+                      <Input
+                        isDisabled={variableIsFinish}
+                        {...register(item.key, {
+                          required: item.required
                         })}
-                      >
-                        {'开始对话'}
-                      </Button>
+                      />
+                    )}
+                    {item.type === VariableInputEnum.select && (
+                      <MySelect
+                        width={'100%'}
+                        isDisabled={variableIsFinish}
+                        list={(item.enums || []).map((item) => ({
+                          label: item.value,
+                          value: item.value
+                        }))}
+                        value={getValues(item.key)}
+                        onchange={(e) => {
+                          setValue(item.key, e);
+                          setRefresh(!refresh);
+                        }}
+                      />
                     )}
                   </Box>
-                </Card>
-              </Flex>
+                ))}
+                {!variableIsFinish && (
+                  <Button
+                    leftIcon={<MyIcon name={'chatFill'} w={'16px'} />}
+                    size={'sm'}
+                    maxW={'100px'}
+                    borderRadius={'lg'}
+                    onClick={handleSubmit((data) => {
+                      onUpdateVariable?.(data);
+                      setVariables(data);
+                    })}
+                  >
+                    {'开始对话'}
+                  </Button>
+                )}
+              </Card>
             </Flex>
           )}
 
@@ -650,7 +669,7 @@ const ChatBox = (
               onKeyDown={(e) => {
                 // 触发快捷发送
                 if (e.keyCode === 13 && !e.shiftKey) {
-                  handleSubmit(sendPrompt)();
+                  handleSubmit((data) => sendPrompt(data, TextareaDom.current?.value))();
                   e.preventDefault();
                 }
                 // 全选内容
@@ -685,7 +704,9 @@ const ChatBox = (
                   height={['18px', '20px']}
                   cursor={'pointer'}
                   color={'gray.500'}
-                  onClick={handleSubmit(sendPrompt)}
+                  onClick={() => {
+                    handleSubmit((data) => sendPrompt(data, TextareaDom.current?.value))();
+                  }}
                 />
               )}
             </Flex>
diff --git a/client/src/components/Markdown/chat/Guide.tsx b/client/src/components/Markdown/chat/Guide.tsx
new file mode 100644
index 000000000..a4288f3d8
--- /dev/null
+++ b/client/src/components/Markdown/chat/Guide.tsx
@@ -0,0 +1,49 @@
+import React, { useMemo } from 'react';
+import { Box } from '@chakra-ui/react';
+import ReactMarkdown from 'react-markdown';
+import RemarkGfm from 'remark-gfm';
+import RemarkMath from 'remark-math';
+import RehypeKatex from 'rehype-katex';
+
+import 'katex/dist/katex.min.css';
+import styles from '../index.module.scss';
+import { EventNameEnum } from '../constant';
+
+const Guide = ({ text, onClick }: { text: string; onClick?: (e: any) => void }) => {
+  const formatText = useMemo(() => text.replace(/\[(.*?)\]/g, '[$1]()'), [text]);
+
+  return (
+    <ReactMarkdown
+      className={`markdown ${styles.markdown}`}
+      remarkPlugins={[RemarkGfm, RemarkMath]}
+      rehypePlugins={[RehypeKatex]}
+      components={{
+        a({ children }: any) {
+          return (
+            <Box as={'li'} py={1} m={0}>
+              <Box
+                as={'span'}
+                color={'blue.600'}
+                textDecoration={'underline'}
+                cursor={'pointer'}
+                onClick={() => {
+                  if (!onClick) return;
+                  onClick({
+                    event: EventNameEnum.guideClick,
+                    data: String(children)
+                  });
+                }}
+              >
+                {String(children)}
+              </Box>
+            </Box>
+          );
+        }
+      }}
+    >
+      {formatText}
+    </ReactMarkdown>
+  );
+};
+
+export default React.memo(Guide);
diff --git a/client/src/components/Markdown/constant.ts b/client/src/components/Markdown/constant.ts
new file mode 100644
index 000000000..3c35344a8
--- /dev/null
+++ b/client/src/components/Markdown/constant.ts
@@ -0,0 +1,3 @@
+export enum EventNameEnum {
+  guideClick = 'guideClick'
+}
diff --git a/client/src/components/Markdown/index.tsx b/client/src/components/Markdown/index.tsx
index c8fed70d8..c0616f985 100644
--- a/client/src/components/Markdown/index.tsx
+++ b/client/src/components/Markdown/index.tsx
@@ -1,4 +1,4 @@
-import React from 'react';
+import React, { useRef } from 'react';
 import ReactMarkdown from 'react-markdown';
 import RemarkGfm from 'remark-gfm';
 import RemarkMath from 'remark-math';
@@ -7,19 +7,27 @@ import RemarkBreaks from 'remark-breaks';
 
 import 'katex/dist/katex.min.css';
 import styles from './index.module.scss';
+import dynamic from 'next/dynamic';
 
 import Link from './Link';
 import CodeLight from './CodeLight';
-import MermaidCodeBlock from './img/MermaidCodeBlock';
-import MdImage from './img/Image';
 
-function Code({ inline, className, children }: any) {
+const MermaidCodeBlock = dynamic(() => import('./img/MermaidCodeBlock'));
+const MdImage = dynamic(() => import('./img/Image'));
+const ChatGuide = dynamic(() => import('./chat/Guide'));
+
+function Code({ inline, className, children, onClick }: any) {
   const match = /language-(\w+)/.exec(className || '');
+  const codeType = match?.[1];
 
-  if (match?.[1] === 'mermaid') {
+  if (codeType === 'mermaid') {
     return <MermaidCodeBlock code={String(children)} />;
   }
 
+  if (codeType === 'guide') {
+    return <ChatGuide text={String(children)} onClick={onClick} />;
+  }
+
   return (
     <CodeLight className={className} inline={inline} match={match}>
       {children}
@@ -31,7 +39,23 @@ function Image({ src }: { src?: string }) {
   return <MdImage src={src} />;
 }
 
-const Markdown = ({ source, isChatting = false }: { source: string; isChatting?: boolean }) => {
+const Markdown = ({
+  source,
+  isChatting = false,
+  onClick
+}: {
+  source: string;
+  isChatting?: boolean;
+  onClick?: (e: any) => void;
+}) => {
+  const components = useRef({
+    a: Link,
+    img: Image,
+    pre: 'div',
+    p: 'div',
+    code: (props: any) => <Code {...props} onClick={onClick} />
+  });
+
   return (
     <ReactMarkdown
       className={`markdown ${styles.markdown}
@@ -39,13 +63,8 @@ const Markdown = ({ source, isChatting = false }: { source: string; isChatting?:
     `}
       remarkPlugins={[RemarkGfm, RemarkMath, RemarkBreaks]}
       rehypePlugins={[RehypeKatex]}
-      components={{
-        a: Link,
-        img: Image,
-        pre: 'div',
-        p: 'div',
-        code: Code
-      }}
+      // @ts-ignore
+      components={components.current}
     >
       {source}
     </ReactMarkdown>
diff --git a/client/src/pages/app/detail/components/Settings.tsx b/client/src/pages/app/detail/components/Settings.tsx
index 5f30924fe..e55370073 100644
--- a/client/src/pages/app/detail/components/Settings.tsx
+++ b/client/src/pages/app/detail/components/Settings.tsx
@@ -28,7 +28,7 @@ const Settings = ({ appId }: { appId: string }) => {
     content: '确认删除该应用?'
   });
   const [settingAppInfo, setSettingAppInfo] = useState<AppSchema>();
-  const [fullScreen, setFullScreen] = useState(true);
+  const [fullScreen, setFullScreen] = useState(false);
 
   /* 点击删除 */
   const handleDelModel = useCallback(async () => {
diff --git a/client/src/pages/app/detail/components/edit/components/Nodes/NodeUserGuide.tsx b/client/src/pages/app/detail/components/edit/components/Nodes/NodeUserGuide.tsx
index 9fd6d6d9b..3abfe63ac 100644
--- a/client/src/pages/app/detail/components/edit/components/Nodes/NodeUserGuide.tsx
+++ b/client/src/pages/app/detail/components/edit/components/Nodes/NodeUserGuide.tsx
@@ -12,7 +12,7 @@ const nanoid = customAlphabet('abcdefghijklmnopqrstuvwxyz1234567890', 6);
 import MyTooltip from '@/components/MyTooltip';
 
 const welcomePlaceholder =
-  '每次对话开始前，发送一个初始内容。可使用的特殊标记:\n[快捷按键]: 用户点击后可以直接发送该问题';
+  '每次对话开始前，发送一个初始内容。支持标准 Markdown 语法，可使用的额外标记:\n[快捷按键]: 用户点击后可以直接发送该问题';
 
 const NodeUserGuide = ({
   data: { inputs, outputs, onChangeNode, ...props }
diff --git a/client/src/pages/chat/components/ToolMenu.tsx b/client/src/pages/chat/components/ToolMenu.tsx
index a2a928484..921878bff 100644
--- a/client/src/pages/chat/components/ToolMenu.tsx
+++ b/client/src/pages/chat/components/ToolMenu.tsx
@@ -3,15 +3,23 @@ import { useChatBox } from '@/components/ChatBox';
 import { ChatItemType } from '@/types/chat';
 import { Menu, MenuButton, MenuList, MenuItem, Box } from '@chakra-ui/react';
 import MyIcon from '@/components/Icon';
+import { useRouter } from 'next/router';
 
 const ToolMenu = ({ history }: { history: ChatItemType[] }) => {
   const { onExportChat } = useChatBox();
+  const router = useRouter();
   const menuList = useRef([
-    // {
-    //   icon: 'shareLight',
-    //   label: '分享对话',
-    //   onClick: () => {}
-    // },
+    {
+      icon: 'chatLight',
+      label: '新对话',
+      onClick: () => {
+        router.push({
+          query: {
+            appId: router.query?.appId
+          }
+        });
+      }
+    },
     {
       icon: 'apiLight',
       label: 'HTML导出',