perf: 文案优化

src/service/events/generateAbstract.ts

@@ -105,7 +105,8 @@ export async function generateAbstract(next = false): Promise<any> {
       isPay: !userApiKey && splitContents.length > 0,
       userId: dataItem.userId,
       type: 'abstract',
-      text: systemPrompt.content + dataItem.text + rawContent
+      text: systemPrompt.content + dataItem.text + rawContent,
+      tokenLen: 0
     });
   } catch (error: any) {
     console.log('error: 生成摘要错误', dataItem?._id);

src/service/events/generateQA.ts

@@ -79,8 +79,10 @@ export async function generateQA(next = false): Promise<any> {
           .createChatCompletion(
             {
               model: ChatModelNameEnum.GPT35,
-              temperature: 0.8,
+              temperature: 0.7,
               n: 1,
+              frequency_penalty: 1, // 越大，重复内容越少
+              presence_penalty: -1, // 越大，越容易出现新内容
               messages: [
                 systemPrompt,
                 {

src/service/utils/tools.ts

@@ -93,5 +93,5 @@ export const systemPromptFilter = (prompts: string[], maxTokens: number) => {
     }
   }
 
-  return splitText;
+  return splitText.slice(0, splitText.length - 1);
 };