From f109f1cf60ecab92e02e1ad1501be5c310b0a357 Mon Sep 17 00:00:00 2001
From: archer <545436317@qq.com>
Date: Sun, 30 Apr 2023 13:18:54 +0800
Subject: [PATCH] perf: save chat and del chat content;UI

---
 src/api/chat.ts                               |  4 +-
 src/pages/api/chat/chat.ts                    |  6 +--
 ...ByIndex.ts => delChatRecordByContentId.ts} | 25 ++----------
 src/pages/api/chat/init.ts                    | 16 ++++----
 src/pages/api/chat/saveChat.ts                |  2 +
 src/pages/api/openapi/chat/chat.ts            |  6 +--
 src/pages/api/openapi/chat/chatGpt.ts         |  6 +--
 src/pages/api/openapi/chat/lafGpt.ts          |  6 +--
 src/pages/api/openapi/chat/vectorGpt.ts       |  6 +--
 src/pages/chat/index.tsx                      | 39 ++++++++++---------
 .../login/components/ForgetPasswordForm.tsx   | 10 ++---
 src/pages/login/components/RegisterForm.tsx   | 10 ++---
 src/pages/login/index.tsx                     | 17 +++++---
 .../detail/components/SelectFileModal.tsx     | 11 +++++-
 src/service/errorCode.ts                      |  2 +-
 src/service/models/chat.ts                    |  4 --
 src/service/utils/auth.ts                     | 13 +++++--
 src/service/utils/tools.ts                    |  6 +--
 src/types/chat.d.ts                           |  6 ++-
 19 files changed, 100 insertions(+), 95 deletions(-)
 rename src/pages/api/chat/{delChatRecordByIndex.ts => delChatRecordByContentId.ts} (57%)

diff --git a/src/api/chat.ts b/src/api/chat.ts
index 891ad71d1..c246a8536 100644
--- a/src/api/chat.ts
+++ b/src/api/chat.ts
@@ -31,5 +31,5 @@ export const postSaveChat = (data: {
 /**
  * 删除一句对话
  */
-export const delChatRecordByIndex = (chatId: string, index: number) =>
-  DELETE(`/chat/delChatRecordByIndex?chatId=${chatId}&index=${index}`);
+export const delChatRecordByIndex = (chatId: string, contentId: string) =>
+  DELETE(`/chat/delChatRecordByContentId?chatId=${chatId}&contentId=${contentId}`);
diff --git a/src/pages/api/chat/chat.ts b/src/pages/api/chat/chat.ts
index 48302dc47..9855803d8 100644
--- a/src/pages/api/chat/chat.ts
+++ b/src/pages/api/chat/chat.ts
@@ -2,7 +2,7 @@ import type { NextApiRequest, NextApiResponse } from 'next';
 import { connectToDatabase } from '@/service/mongo';
 import { getOpenAIApi, authChat } from '@/service/utils/auth';
 import { axiosConfig, openaiChatFilter, systemPromptFilter } from '@/service/utils/tools';
-import { ChatItemType } from '@/types/chat';
+import { ChatItemSimpleType } from '@/types/chat';
 import { jsonRes } from '@/service/response';
 import { PassThrough } from 'stream';
 import { modelList, ModelVectorSearchModeMap, ModelVectorSearchModeEnum } from '@/constants/model';
@@ -28,7 +28,7 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
 
   try {
     const { chatId, prompt, modelId } = req.body as {
-      prompt: ChatItemType;
+      prompt: ChatItemSimpleType;
       modelId: string;
       chatId: '' | string;
     };
@@ -118,7 +118,7 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
     const filterPrompts = openaiChatFilter({
       model: model.chat.chatModel,
       prompts,
-      maxTokens: modelConstantsData.contextMaxToken - 500
+      maxTokens: modelConstantsData.contextMaxToken - 300
     });
 
     // 计算温度
diff --git a/src/pages/api/chat/delChatRecordByIndex.ts b/src/pages/api/chat/delChatRecordByContentId.ts
similarity index 57%
rename from src/pages/api/chat/delChatRecordByIndex.ts
rename to src/pages/api/chat/delChatRecordByContentId.ts
index 32f9acb7c..4081b377b 100644
--- a/src/pages/api/chat/delChatRecordByIndex.ts
+++ b/src/pages/api/chat/delChatRecordByContentId.ts
@@ -5,13 +5,13 @@ import { authToken } from '@/service/utils/auth';
 
 export default async function handler(req: NextApiRequest, res: NextApiResponse) {
   try {
-    const { chatId, index } = req.query as { chatId: string; index: string };
+    const { chatId, contentId } = req.query as { chatId: string; contentId: string };
     const { authorization } = req.headers;
 
     if (!authorization) {
       throw new Error('无权操作');
     }
-    if (!chatId || !index) {
+    if (!chatId || !contentId) {
       throw new Error('缺少参数');
     }
 
@@ -26,30 +26,13 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
       throw new Error('找不到对话');
     }
 
-    // 重新计算 index，跳过已经被删除的内容
-    let unDeleteIndex = +index;
-    let deletedIndex = 0;
-    for (deletedIndex = 0; deletedIndex < chatRecord.content.length; deletedIndex++) {
-      if (!chatRecord.content[deletedIndex].deleted) {
-        unDeleteIndex--;
-        if (unDeleteIndex < 0) {
-          break;
-        }
-      }
-    }
-
-    // 删除最一条数据库记录, 也就是预发送的那一条
+    // 删除一条数据库记录
     await Chat.updateOne(
       {
         _id: chatId,
         userId
       },
-      {
-        $set: {
-          [`content.${deletedIndex}.deleted`]: true,
-          updateTime: Date.now()
-        }
-      }
+      { $pull: { content: { _id: contentId } } }
     );
 
     jsonRes(res);
diff --git a/src/pages/api/chat/init.ts b/src/pages/api/chat/init.ts
index 00aa42164..2acd9e6a7 100644
--- a/src/pages/api/chat/init.ts
+++ b/src/pages/api/chat/init.ts
@@ -36,20 +36,22 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
             userId: new mongoose.Types.ObjectId(userId)
           }
         },
-        { $unwind: '$content' },
-        { $match: { 'content.deleted': false } },
-        { $sort: { 'content._id': -1 } },
-        { $limit: 50 },
         {
           $project: {
-            id: '$content._id',
+            content: {
+              $slice: ['$content', -50] // 返回 content 数组的最后50个元素
+            }
+          }
+        },
+        { $unwind: '$content' },
+        {
+          $project: {
+            _id: '$content._id',
             obj: '$content.obj',
             value: '$content.value'
           }
         }
       ]);
-
-      history.reverse();
     }
 
     jsonRes<InitChatResponse>(res, {
diff --git a/src/pages/api/chat/saveChat.ts b/src/pages/api/chat/saveChat.ts
index 7a4b6bd7a..583c42bfa 100644
--- a/src/pages/api/chat/saveChat.ts
+++ b/src/pages/api/chat/saveChat.ts
@@ -4,6 +4,7 @@ import { ChatItemType } from '@/types/chat';
 import { connectToDatabase, Chat } from '@/service/mongo';
 import { authModel } from '@/service/utils/auth';
 import { authToken } from '@/service/utils/auth';
+import mongoose from 'mongoose';
 
 /* 聊天内容存存储 */
 export default async function handler(req: NextApiRequest, res: NextApiResponse) {
@@ -23,6 +24,7 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
     await connectToDatabase();
 
     const content = prompts.map((item) => ({
+      _id: new mongoose.Types.ObjectId(item._id),
       obj: item.obj,
       value: item.value
     }));
diff --git a/src/pages/api/openapi/chat/chat.ts b/src/pages/api/openapi/chat/chat.ts
index d7461a65b..38c3f770f 100644
--- a/src/pages/api/openapi/chat/chat.ts
+++ b/src/pages/api/openapi/chat/chat.ts
@@ -2,7 +2,7 @@ import type { NextApiRequest, NextApiResponse } from 'next';
 import { connectToDatabase } from '@/service/mongo';
 import { getOpenAIApi, authOpenApiKey, authModel } from '@/service/utils/auth';
 import { axiosConfig, openaiChatFilter, systemPromptFilter } from '@/service/utils/tools';
-import { ChatItemType } from '@/types/chat';
+import { ChatItemSimpleType } from '@/types/chat';
 import { jsonRes } from '@/service/response';
 import { PassThrough } from 'stream';
 import { modelList, ModelVectorSearchModeMap, ModelVectorSearchModeEnum } from '@/constants/model';
@@ -32,7 +32,7 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
       modelId,
       isStream = true
     } = req.body as {
-      prompts: ChatItemType[];
+      prompts: ChatItemSimpleType[];
       modelId: string;
       isStream: boolean;
     };
@@ -132,7 +132,7 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
     const filterPrompts = openaiChatFilter({
       model: model.chat.chatModel,
       prompts,
-      maxTokens: modelConstantsData.contextMaxToken - 500
+      maxTokens: modelConstantsData.contextMaxToken - 300
     });
 
     // 计算温度
diff --git a/src/pages/api/openapi/chat/chatGpt.ts b/src/pages/api/openapi/chat/chatGpt.ts
index 080fb6577..dc338957c 100644
--- a/src/pages/api/openapi/chat/chatGpt.ts
+++ b/src/pages/api/openapi/chat/chatGpt.ts
@@ -2,7 +2,7 @@ import type { NextApiRequest, NextApiResponse } from 'next';
 import { connectToDatabase, Model } from '@/service/mongo';
 import { getOpenAIApi, authOpenApiKey } from '@/service/utils/auth';
 import { axiosConfig, openaiChatFilter } from '@/service/utils/tools';
-import { ChatItemType } from '@/types/chat';
+import { ChatItemSimpleType } from '@/types/chat';
 import { jsonRes } from '@/service/response';
 import { PassThrough } from 'stream';
 import { modelList } from '@/constants/model';
@@ -31,7 +31,7 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
       modelId,
       isStream = true
     } = req.body as {
-      prompts: ChatItemType[];
+      prompts: ChatItemSimpleType[];
       modelId: string;
       isStream: boolean;
     };
@@ -77,7 +77,7 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
     const filterPrompts = openaiChatFilter({
       model: model.chat.chatModel,
       prompts,
-      maxTokens: modelConstantsData.contextMaxToken - 500
+      maxTokens: modelConstantsData.contextMaxToken - 300
     });
 
     // console.log(filterPrompts);
diff --git a/src/pages/api/openapi/chat/lafGpt.ts b/src/pages/api/openapi/chat/lafGpt.ts
index a48798942..00d6b1a3d 100644
--- a/src/pages/api/openapi/chat/lafGpt.ts
+++ b/src/pages/api/openapi/chat/lafGpt.ts
@@ -2,7 +2,7 @@ import type { NextApiRequest, NextApiResponse } from 'next';
 import { connectToDatabase, Model } from '@/service/mongo';
 import { getOpenAIApi, authOpenApiKey } from '@/service/utils/auth';
 import { axiosConfig, openaiChatFilter, systemPromptFilter } from '@/service/utils/tools';
-import { ChatItemType } from '@/types/chat';
+import { ChatItemSimpleType } from '@/types/chat';
 import { jsonRes } from '@/service/response';
 import { PassThrough } from 'stream';
 import { modelList, ModelVectorSearchModeMap, ChatModelEnum } from '@/constants/model';
@@ -32,7 +32,7 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
       modelId,
       isStream = true
     } = req.body as {
-      prompt: ChatItemType;
+      prompt: ChatItemSimpleType;
       modelId: string;
       isStream: boolean;
     };
@@ -156,7 +156,7 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
     const filterPrompts = openaiChatFilter({
       model: model.chat.chatModel,
       prompts,
-      maxTokens: modelConstantsData.contextMaxToken - 500
+      maxTokens: modelConstantsData.contextMaxToken - 300
     });
 
     // console.log(filterPrompts);
diff --git a/src/pages/api/openapi/chat/vectorGpt.ts b/src/pages/api/openapi/chat/vectorGpt.ts
index 9431d538b..46f3e86d1 100644
--- a/src/pages/api/openapi/chat/vectorGpt.ts
+++ b/src/pages/api/openapi/chat/vectorGpt.ts
@@ -2,7 +2,7 @@ import type { NextApiRequest, NextApiResponse } from 'next';
 import { connectToDatabase, Model } from '@/service/mongo';
 import { axiosConfig, systemPromptFilter, openaiChatFilter } from '@/service/utils/tools';
 import { getOpenAIApi, authOpenApiKey } from '@/service/utils/auth';
-import { ChatItemType } from '@/types/chat';
+import { ChatItemSimpleType } from '@/types/chat';
 import { jsonRes } from '@/service/response';
 import { PassThrough } from 'stream';
 import { modelList, ModelVectorSearchModeMap, ModelVectorSearchModeEnum } from '@/constants/model';
@@ -32,7 +32,7 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
       modelId,
       isStream = true
     } = req.body as {
-      prompts: ChatItemType[];
+      prompts: ChatItemSimpleType[];
       modelId: string;
       isStream: boolean;
     };
@@ -127,7 +127,7 @@ ${
     const filterPrompts = openaiChatFilter({
       model: model.chat.chatModel,
       prompts,
-      maxTokens: modelConstantsData.contextMaxToken - 500
+      maxTokens: modelConstantsData.contextMaxToken - 300
     });
 
     // console.log(filterPrompts);
diff --git a/src/pages/chat/index.tsx b/src/pages/chat/index.tsx
index 759ffdcd7..9d7716b29 100644
--- a/src/pages/chat/index.tsx
+++ b/src/pages/chat/index.tsx
@@ -29,8 +29,7 @@ import { streamFetch } from '@/api/fetch';
 import Icon from '@/components/Icon';
 import MyIcon from '@/components/Icon';
 import { throttle } from 'lodash';
-import { customAlphabet } from 'nanoid';
-const nanoid = customAlphabet('abcdefghijklmnopqrstuvwxyz1234567890', 5);
+import mongoose from 'mongoose';
 
 const SlideBar = dynamic(() => import('./components/SlideBar'));
 const Empty = dynamic(() => import('./components/Empty'));
@@ -41,7 +40,6 @@ import styles from './index.module.scss';
 const textareaMinH = '22px';
 
 export type ChatSiteItemType = {
-  id: string;
   status: 'loading' | 'finish';
 } & ChatItemType;
 
@@ -136,10 +134,8 @@ const Chat = ({ modelId, chatId }: { modelId: string; chatId: string }) => {
 
         setChatData({
           ...res,
-          history: res.history.map((item: any, i) => ({
-            obj: item.obj,
-            value: item.value,
-            id: item.id || `${nanoid()}-${i}`,
+          history: res.history.map((item) => ({
+            ...item,
             status: 'finish'
           }))
         });
@@ -191,15 +187,15 @@ const Chat = ({ modelId, chatId }: { modelId: string; chatId: string }) => {
 
   // gpt 对话
   const gptChatPrompt = useCallback(
-    async (prompts: ChatSiteItemType) => {
+    async (prompts: ChatSiteItemType[]) => {
       // create abort obj
       const abortSignal = new AbortController();
       controller.current = abortSignal;
       isResetPage.current = false;
 
       const prompt = {
-        obj: prompts.obj,
-        value: prompts.value
+        obj: prompts[0].obj,
+        value: prompts[0].value
       };
 
       // 流请求，获取数据
@@ -238,8 +234,13 @@ const Chat = ({ modelId, chatId }: { modelId: string; chatId: string }) => {
           modelId,
           chatId,
           prompts: [
-            prompt,
             {
+              _id: prompts[0]._id,
+              obj: 'Human',
+              value: prompt.value
+            },
+            {
+              _id: prompts[1]._id,
               obj: 'AI',
               value: responseText
             }
@@ -299,13 +300,13 @@ const Chat = ({ modelId, chatId }: { modelId: string; chatId: string }) => {
     const newChatList: ChatSiteItemType[] = [
       ...chatData.history,
       {
-        id: nanoid(),
+        _id: String(new mongoose.Types.ObjectId()),
         obj: 'Human',
         value: val,
         status: 'finish'
       },
       {
-        id: nanoid(),
+        _id: String(new mongoose.Types.ObjectId()),
         obj: 'AI',
         value: '',
         status: 'loading'
@@ -325,7 +326,7 @@ const Chat = ({ modelId, chatId }: { modelId: string; chatId: string }) => {
     }, 100);
 
     try {
-      await gptChatPrompt(newChatList[newChatList.length - 2]);
+      await gptChatPrompt(newChatList.slice(-2));
     } catch (err: any) {
       toast({
         title: typeof err === 'string' ? err : err?.message || '聊天出错了~',
@@ -345,11 +346,11 @@ const Chat = ({ modelId, chatId }: { modelId: string; chatId: string }) => {
 
   // 删除一句话
   const delChatRecord = useCallback(
-    async (index: number) => {
+    async (index: number, id: string) => {
       setLoading(true);
       try {
         // 删除数据库最后一句
-        await delChatRecordByIndex(chatId, index);
+        await delChatRecordByIndex(chatId, id);
 
         setChatData((state) => ({
           ...state,
@@ -449,7 +450,7 @@ const Chat = ({ modelId, chatId }: { modelId: string; chatId: string }) => {
         <Box ref={ChatBox} pb={[4, 0]} flex={'1 0 0'} h={0} w={'100%'} overflowY={'auto'}>
           {chatData.history.map((item, index) => (
             <Box
-              key={item.id}
+              key={item._id}
               py={media(9, 6)}
               px={media(4, 2)}
               backgroundColor={
@@ -475,7 +476,7 @@ const Chat = ({ modelId, chatId }: { modelId: string; chatId: string }) => {
                   </MenuButton>
                   <MenuList fontSize={'sm'}>
                     <MenuItem onClick={() => onclickCopy(item.value)}>复制</MenuItem>
-                    <MenuItem onClick={() => delChatRecord(index)}>删除该行</MenuItem>
+                    <MenuItem onClick={() => delChatRecord(index, item._id)}>删除该行</MenuItem>
                   </MenuList>
                 </Menu>
                 <Box flex={'1 0 0'} w={0} overflow={'hidden'} id={`chat${index}`}>
@@ -507,7 +508,7 @@ const Chat = ({ modelId, chatId }: { modelId: string; chatId: string }) => {
                       _hover={{
                         color: 'red.600'
                       }}
-                      onClick={() => delChatRecord(index)}
+                      onClick={() => delChatRecord(index, item._id)}
                     />
                   </Flex>
                 )}
diff --git a/src/pages/login/components/ForgetPasswordForm.tsx b/src/pages/login/components/ForgetPasswordForm.tsx
index 38ab71474..801022b50 100644
--- a/src/pages/login/components/ForgetPasswordForm.tsx
+++ b/src/pages/login/components/ForgetPasswordForm.tsx
@@ -78,7 +78,7 @@ const RegisterForm = ({ setPageType, loginSuccess }: Props) => {
         找回 FastGPT 账号
       </Box>
       <form onSubmit={handleSubmit(onclickFindPassword)}>
-        <FormControl mt={8} isInvalid={!!errors.username}>
+        <FormControl mt={5} isInvalid={!!errors.username}>
           <Input
             placeholder="邮箱/手机号"
             size={mediaLgMd}
@@ -95,7 +95,7 @@ const RegisterForm = ({ setPageType, loginSuccess }: Props) => {
             {!!errors.username && errors.username.message}
           </FormErrorMessage>
         </FormControl>
-        <FormControl mt={8} isInvalid={!!errors.username}>
+        <FormControl mt={5} isInvalid={!!errors.username}>
           <Flex>
             <Input
               flex={1}
@@ -121,7 +121,7 @@ const RegisterForm = ({ setPageType, loginSuccess }: Props) => {
             {!!errors.code && errors.code.message}
           </FormErrorMessage>
         </FormControl>
-        <FormControl mt={8} isInvalid={!!errors.password}>
+        <FormControl mt={5} isInvalid={!!errors.password}>
           <Input
             type={'password'}
             placeholder="新密码"
@@ -142,7 +142,7 @@ const RegisterForm = ({ setPageType, loginSuccess }: Props) => {
             {!!errors.password && errors.password.message}
           </FormErrorMessage>
         </FormControl>
-        <FormControl mt={8} isInvalid={!!errors.password2}>
+        <FormControl mt={5} isInvalid={!!errors.password2}>
           <Input
             type={'password'}
             placeholder="确认密码"
@@ -168,7 +168,7 @@ const RegisterForm = ({ setPageType, loginSuccess }: Props) => {
         </Box>
         <Button
           type="submit"
-          mt={8}
+          mt={5}
           w={'100%'}
           size={mediaLgMd}
           colorScheme="blue"
diff --git a/src/pages/login/components/RegisterForm.tsx b/src/pages/login/components/RegisterForm.tsx
index 417226a76..2485b4308 100644
--- a/src/pages/login/components/RegisterForm.tsx
+++ b/src/pages/login/components/RegisterForm.tsx
@@ -86,7 +86,7 @@ const RegisterForm = ({ setPageType, loginSuccess }: Props) => {
         注册 FastGPT 账号
       </Box>
       <form onSubmit={handleSubmit(onclickRegister)}>
-        <FormControl mt={8} isInvalid={!!errors.username}>
+        <FormControl mt={5} isInvalid={!!errors.username}>
           <Input
             placeholder="邮箱/手机号"
             size={mediaLgMd}
@@ -103,7 +103,7 @@ const RegisterForm = ({ setPageType, loginSuccess }: Props) => {
             {!!errors.username && errors.username.message}
           </FormErrorMessage>
         </FormControl>
-        <FormControl mt={8} isInvalid={!!errors.username}>
+        <FormControl mt={5} isInvalid={!!errors.username}>
           <Flex>
             <Input
               flex={1}
@@ -129,7 +129,7 @@ const RegisterForm = ({ setPageType, loginSuccess }: Props) => {
             {!!errors.code && errors.code.message}
           </FormErrorMessage>
         </FormControl>
-        <FormControl mt={8} isInvalid={!!errors.password}>
+        <FormControl mt={5} isInvalid={!!errors.password}>
           <Input
             type={'password'}
             placeholder="密码"
@@ -150,7 +150,7 @@ const RegisterForm = ({ setPageType, loginSuccess }: Props) => {
             {!!errors.password && errors.password.message}
           </FormErrorMessage>
         </FormControl>
-        <FormControl mt={8} isInvalid={!!errors.password2}>
+        <FormControl mt={5} isInvalid={!!errors.password2}>
           <Input
             type={'password'}
             placeholder="确认密码"
@@ -176,7 +176,7 @@ const RegisterForm = ({ setPageType, loginSuccess }: Props) => {
         </Box>
         <Button
           type="submit"
-          mt={8}
+          mt={5}
           w={'100%'}
           size={mediaLgMd}
           colorScheme="blue"
diff --git a/src/pages/login/index.tsx b/src/pages/login/index.tsx
index f4c2c1715..038c2b3c6 100644
--- a/src/pages/login/index.tsx
+++ b/src/pages/login/index.tsx
@@ -45,12 +45,19 @@ const Login = () => {
   }, [router]);
 
   return (
-    <Box className={styles.loginPage} h={'100%'} p={isPc ? '10vh 10vw' : 0}>
+    <Flex
+      alignItems={'center'}
+      justifyContent={'center'}
+      className={styles.loginPage}
+      h={'100%'}
+      px={[0, '10vw']}
+    >
       <Flex
-        maxW={'1240px'}
-        m={'auto'}
-        backgroundColor={'#fff'}
         height="100%"
+        w={'100%'}
+        maxW={'1240px'}
+        maxH={['auto', '660px']}
+        backgroundColor={'#fff'}
         alignItems={'center'}
         justifyContent={'center'}
         p={10}
@@ -83,7 +90,7 @@ const Login = () => {
           <DynamicComponent type={pageType} />
         </Box>
       </Flex>
-    </Box>
+    </Flex>
   );
 };
 
diff --git a/src/pages/model/detail/components/SelectFileModal.tsx b/src/pages/model/detail/components/SelectFileModal.tsx
index 24e10d248..a605b8945 100644
--- a/src/pages/model/detail/components/SelectFileModal.tsx
+++ b/src/pages/model/detail/components/SelectFileModal.tsx
@@ -162,15 +162,22 @@ const SelectFileModal = ({
   return (
     <Modal isOpen={true} onClose={onClose} isCentered>
       <ModalOverlay />
-      <ModalContent maxW={'min(1000px, 90vw)'} m={0} position={'relative'} h={'90vh'}>
+      <ModalContent
+        display={'flex'}
+        maxW={'min(1000px, 90vw)'}
+        m={0}
+        position={'relative'}
+        h={'90vh'}
+      >
         <ModalHeader>文件导入</ModalHeader>
         <ModalCloseButton />
 
         <ModalBody
+          flex={1}
+          h={0}
           display={'flex'}
           flexDirection={'column'}
           p={0}
-          h={'100%'}
           alignItems={'center'}
           justifyContent={'center'}
           fontSize={'sm'}
diff --git a/src/service/errorCode.ts b/src/service/errorCode.ts
index 6d82d19af..0879c9c3e 100644
--- a/src/service/errorCode.ts
+++ b/src/service/errorCode.ts
@@ -23,7 +23,7 @@ export const openaiError: Record<string, string> = {
   context_length_exceeded: '内容超长了，请重置对话',
   Unauthorized: 'API-KEY 不合法',
   rate_limit_reached: 'API被限制，请稍后再试',
-  'Bad Request': 'Bad Request~ openai 异常',
+  'Bad Request': 'Bad Request~ 可能内容太多了',
   'Bad Gateway': '网关异常，请重试'
 };
 export const openaiError2: Record<string, string> = {
diff --git a/src/service/models/chat.ts b/src/service/models/chat.ts
index c6fca5d5a..50eda2fa9 100644
--- a/src/service/models/chat.ts
+++ b/src/service/models/chat.ts
@@ -41,10 +41,6 @@ const ChatSchema = new Schema({
         value: {
           type: String,
           required: true
-        },
-        deleted: {
-          type: Boolean,
-          default: false
         }
       }
     ],
diff --git a/src/service/utils/auth.ts b/src/service/utils/auth.ts
index f76ca1e25..af90656a0 100644
--- a/src/service/utils/auth.ts
+++ b/src/service/utils/auth.ts
@@ -4,7 +4,7 @@ import jwt from 'jsonwebtoken';
 import { Chat, Model, OpenApi, User } from '../mongo';
 import type { ModelSchema } from '@/types/mongoSchema';
 import { getOpenApiKey } from './openai';
-import type { ChatItemType } from '@/types/chat';
+import type { ChatItemSimpleType } from '@/types/chat';
 import mongoose from 'mongoose';
 import { defaultModel } from '@/constants/model';
 import { formatPrice } from '@/utils/user';
@@ -94,14 +94,20 @@ export const authChat = async ({
   const { model } = await authModel({ modelId, userId, authOwner: false, reserveDetail: true });
 
   // 聊天内容
-  let content: ChatItemType[] = [];
+  let content: ChatItemSimpleType[] = [];
 
   if (chatId) {
     // 获取 chat 数据
     content = await Chat.aggregate([
       { $match: { _id: new mongoose.Types.ObjectId(chatId) } },
+      {
+        $project: {
+          content: {
+            $slice: ['$content', -50] // 返回 content 数组的最后50个元素
+          }
+        }
+      },
       { $unwind: '$content' },
-      { $match: { 'content.deleted': false } },
       {
         $project: {
           obj: '$content.obj',
@@ -110,7 +116,6 @@ export const authChat = async ({
       }
     ]);
   }
-
   // 获取 user 的 apiKey
   const { userApiKey, systemKey } = await getOpenApiKey(userId);
 
diff --git a/src/service/utils/tools.ts b/src/service/utils/tools.ts
index 849a2f165..b4a147947 100644
--- a/src/service/utils/tools.ts
+++ b/src/service/utils/tools.ts
@@ -1,6 +1,6 @@
 import crypto from 'crypto';
 import jwt from 'jsonwebtoken';
-import { ChatItemType } from '@/types/chat';
+import { ChatItemSimpleType } from '@/types/chat';
 import { countChatTokens } from '@/utils/tools';
 import { ChatCompletionRequestMessageRoleEnum, ChatCompletionRequestMessage } from 'openai';
 import { ChatModelEnum } from '@/constants/model';
@@ -45,7 +45,7 @@ export const openaiChatFilter = ({
   maxTokens
 }: {
   model: `${ChatModelEnum}`;
-  prompts: ChatItemType[];
+  prompts: ChatItemSimpleType[];
   maxTokens: number;
 }) => {
   // role map
@@ -94,7 +94,7 @@ export const openaiChatFilter = ({
 
     /* 整体 tokens 超出范围 */
     if (tokens >= maxTokens) {
-      break;
+      return systemPrompt ? [systemPrompt, ...chats.slice(1)] : chats.slice(1);
     }
   }
 
diff --git a/src/types/chat.d.ts b/src/types/chat.d.ts
index 3145abbee..71f0808c0 100644
--- a/src/types/chat.d.ts
+++ b/src/types/chat.d.ts
@@ -1,5 +1,7 @@
-export type ChatItemType = {
+export type ChatItemSimpleType = {
   obj: 'Human' | 'AI' | 'SYSTEM';
   value: string;
-  deleted?: boolean;
 };
+export type ChatItemType = {
+  _id: string;
+} & ChatItemSimpleType;