perf: 账单字段

src/types/mongoSchema.d.ts

@@ -83,6 +83,7 @@ export interface BillSchema {
   chatId: string;
   time: Date;
   textLen: number;
+  tokenLen: number;
   price: number;
 }
 

src/types/user.d.ts

@@ -25,6 +25,7 @@ export interface UserBillType {
   id: string;
   time: string;
   textLen: number;
+  tokenLen: number;
   userId: string;
   chatId: string;
   price: number;