diff --git a/src/Operations/operations.controller.ts b/src/Operations/operations.controller.ts
index 2b18dca..c7fdd6c 100644
--- a/src/Operations/operations.controller.ts
+++ b/src/Operations/operations.controller.ts
@@ -1,12 +1,23 @@
-import { Body, Controller, Post } from "@nestjs/common";
-import { OperationsService } from "./operations.services";
+import { Body, Controller, Post, Req, UseGuards } from '@nestjs/common';
+import { OperationsService } from './operations.services';
+import { chargePrintDto } from './dto/operations.dto';
+import { JwtAuthGuard } from 'src/user/jwt.guard';
 
 @Controller('operations')
-export class OperationsController{
-    constructor(private readonly operationsService:OperationsService){}
+export class OperationsController {
+  constructor(private readonly operationsService: OperationsService) {}
 
-      @Post()
-      async Login(@Body() data) {
-        return this.operationsService.chargePrint(data,data.userid);
-      }
-}
\ No newline at end of file
+  @UseGuards(JwtAuthGuard)
+  @Post('impressions')
+  async chargePrint(@Body() data: chargePrintDto, @Req() req: any) {
+    const id_usuario = req.user.id;
+    return this.operationsService.chargePrint(data, id_usuario);
+  }
+
+  @UseGuards(JwtAuthGuard)
+  @Post('receipt')
+  async addCredit(@Body() data, @Req() req: any) {
+    const id_usuario = req.user.id;
+    return this.operationsService.addCredit(data, id_usuario);
+  }
+}
diff --git a/src/Operations/operations.module.ts b/src/Operations/operations.module.ts
index c10a345..c1f994a 100644
--- a/src/Operations/operations.module.ts
+++ b/src/Operations/operations.module.ts
@@ -4,10 +4,18 @@ import { Alumno } from 'src/alumno/entities/student.entity';
 import { DetalleServicio } from 'src/detalle_servicio/entities/detalle_servicio.entity';
 import { OperationsController } from './operations.controller';
 import { OperationsService } from './operations.services';
+import { DetalleServicioModule } from 'src/detalle_servicio/detalle_servicio.module';
+import { AlumnoModule } from 'src/alumno/student.module';
+import { UserModule } from 'src/user/user.module';
+import { ReciboModule } from 'src/recibo/recibo.module';
 
 @Module({
   imports: [
     TypeOrmModule.forFeature([Alumno, DetalleServicio]),
+    DetalleServicioModule,
+    AlumnoModule,
+    UserModule,
+    ReciboModule,
   ],
   controllers: [OperationsController],
   providers: [OperationsService],
diff --git a/src/Operations/operations.services.ts b/src/Operations/operations.services.ts
index 44e55a0..e523842 100644
--- a/src/Operations/operations.services.ts
+++ b/src/Operations/operations.services.ts
@@ -1,9 +1,17 @@
-import { BadRequestException, Injectable } from '@nestjs/common';
+import {
+  BadRequestException,
+  Injectable,
+  Req,
+  UseGuards,
+} from '@nestjs/common';
 import { AlumnoService } from 'src/alumno/student.service';
 import { DetalleServicioService } from 'src/detalle_servicio/detalle_servicio.service';
 import { DataSource } from 'typeorm';
 import { chargePrintDto } from './dto/operations.dto';
 import { CreateDetalleServicioDto } from 'src/detalle_servicio/dto/create-detalle_servicio.dto';
+import { UserService } from 'src/user/user.service';
+import { ReciboService } from 'src/recibo/recibo.service';
+import { CreateReciboDto } from 'src/recibo/dto/create-recibo.dto';
 
 @Injectable()
 export class OperationsService {
@@ -11,9 +19,11 @@ export class OperationsService {
     private readonly dataSource: DataSource,
     private readonly alumnoService: AlumnoService,
     private readonly detalleServicioService: DetalleServicioService,
+    private readonly userService: UserService,
+    private readonly reciboService: ReciboService,
   ) {}
 
-  async chargePrint(data: chargePrintDto, userId: number) {
+  async chargePrint(data: chargePrintDto, id_usuario: number) {
     const { monto, id_cuenta } = data;
 
     const queryRunner = this.dataSource.createQueryRunner();
@@ -27,10 +37,14 @@ export class OperationsService {
         throw new BadRequestException('Crédito insuficiente');
       }
 
-      const detalleData: CreateDetalleServicioDto = {
-        ...data,
-        id_servicio: 1,
-        id_usuario: userId,
+      const user = await this.userService.findOne(id_usuario);
+      const alum = await this.alumnoService.findOne(id_cuenta)
+
+      const detalleData = {
+        servicio: 1,
+        user,
+        alum,
+        monto,
         fecha_operacion: new Date(),
       };
 
@@ -39,7 +53,7 @@ export class OperationsService {
         queryRunner.manager,
       );
 
-      await this.alumnoService.UpdateCredit(
+      await this.alumnoService.collectCredit(
         id_cuenta,
         monto,
         queryRunner.manager,
@@ -54,4 +68,37 @@ export class OperationsService {
       await queryRunner.release();
     }
   }
+
+  async addCredit(data, id_usuario: number) {
+    const { id_cuenta, monto, fecha_recibo, folio_recibo } = data;
+
+    const queryRunner = this.dataSource.createQueryRunner();
+    await queryRunner.connect();
+    await queryRunner.startTransaction();
+
+    const user = await this.userService.findOne(id_usuario);
+    const alum = await this.alumnoService.findOne(id_cuenta);
+
+    try {
+      const detalleData = {
+        folio_recibo,
+        user,
+        alum,
+        fecha_recibo,
+        monto,
+      };
+
+      await this.reciboService.create(detalleData, queryRunner.manager);
+
+      await this.alumnoService.addCredit(id_cuenta, monto, queryRunner.manager);
+
+      await queryRunner.commitTransaction();
+      return { message: 'correct' };
+    } catch (error) {
+      await queryRunner.rollbackTransaction();
+      return { message: 'error', error: error.message };
+    } finally {
+      await queryRunner.release();
+    }
+  }
 }
diff --git a/src/alumno/entities/student.entity.ts b/src/alumno/entities/student.entity.ts
index 6f3c7a1..12c8a93 100644
--- a/src/alumno/entities/student.entity.ts
+++ b/src/alumno/entities/student.entity.ts
@@ -1,5 +1,6 @@
 import { AlumnoSancion } from 'src/alumno_sancion/entities/alumno_sancion.entity';
 import { DetalleServicio } from 'src/detalle_servicio/entities/detalle_servicio.entity';
+import { Recibo } from 'src/recibo/entities/recibo.entity';
 import {
   Column,
   Entity,
@@ -83,7 +84,7 @@ export class Alumno {
   @Column({ name: 'generacion', type: 'int', width: 4, nullable: true })
   generacion: number | null;
 
-  @OneToMany(() => DetalleServicio, (detalle) => detalle.id_cuenta)
+  @OneToMany(() => DetalleServicio, (detalle) => detalle.alum)
   detalles_servicio: DetalleServicio[];
 
   @ManyToOne(() => Carrera, (carrera) => carrera.estudiantes, {
@@ -95,4 +96,7 @@ export class Alumno {
 
   @OneToMany(() => AlumnoSancion, (alusancion) => alusancion.sancion)
   sanciones: AlumnoSancion[];
+
+  @OneToMany(() => Recibo, (recibo) => recibo.alum)
+  recibo: Recibo[];
 }
diff --git a/src/alumno/student.service.ts b/src/alumno/student.service.ts
index 5271288..787aa9c 100644
--- a/src/alumno/student.service.ts
+++ b/src/alumno/student.service.ts
@@ -36,7 +36,7 @@ export class AlumnoService {
     return student.credito;
   }
 
-  async UpdateCredit(
+  async collectCredit(
     id_cuenta: number,
     credit: number,
     manager: EntityManager,
@@ -49,5 +49,19 @@ export class AlumnoService {
       .where({ id_cuenta })
       .execute();
   }
+
+    async addCredit(
+    id_cuenta: number,
+    credit: number,
+    manager: EntityManager,
+  ) {
+    const repo = manager.getRepository(Alumno);
+    return await repo
+      .createQueryBuilder()
+      .update()
+      .set({ credito: () => `credito + ${credit}` })
+      .where({ id_cuenta })
+      .execute();
+  }
 }
 //IO
\ No newline at end of file
diff --git a/src/alumno_sancion/alumno_sancion.service.ts b/src/alumno_sancion/alumno_sancion.service.ts
index f3152e6..b41c0f7 100644
--- a/src/alumno_sancion/alumno_sancion.service.ts
+++ b/src/alumno_sancion/alumno_sancion.service.ts
@@ -11,7 +11,6 @@ export class AlumnoSancionService {
   constructor(
     @InjectRepository(AlumnoSancion)
     private readonly alumnosancionRepository: Repository<AlumnoSancion>,
-
     private readonly alumnoService: AlumnoService,
     private readonly sancionService: SancionService,
   ) {}
diff --git a/src/app.module.ts b/src/app.module.ts
index 69bc42a..9c76a29 100644
--- a/src/app.module.ts
+++ b/src/app.module.ts
@@ -17,6 +17,9 @@ import { SancionModule } from './sancion/sancion.module';
 import { AlumnoSancionModule } from './alumno_sancion/alumno_sancion.module';
 import { AlumnoSancion } from './alumno_sancion/entities/alumno_sancion.entity';
 import { Sancion } from './sancion/entities/sancion.entity';
+import { OperationsModule } from './Operations/operations.module';
+import { Recibo } from './recibo/entities/recibo.entity';
+import { ReciboModule } from './recibo/recibo.module';
 
 @Module({
   imports: [
@@ -43,6 +46,7 @@ import { Sancion } from './sancion/entities/sancion.entity';
           AlumnoSancion,
           Sancion,
           Carrera,
+          Recibo,
         ],
         synchronize: false, //Never change to true in production!
       }),
@@ -54,6 +58,8 @@ import { Sancion } from './sancion/entities/sancion.entity';
     ServicioModule,
     SancionModule,
     AlumnoSancionModule,
+    OperationsModule,
+    ReciboModule,
   ],
   controllers: [AppController],
   providers: [AppService],
diff --git a/src/detalle_servicio/detalle_servicio.module.ts b/src/detalle_servicio/detalle_servicio.module.ts
index 392fb3c..ac60f9e 100644
--- a/src/detalle_servicio/detalle_servicio.module.ts
+++ b/src/detalle_servicio/detalle_servicio.module.ts
@@ -5,5 +5,6 @@ import { DetalleServicioController } from './detalle_servicio.controller';
 @Module({
   controllers: [DetalleServicioController],
   providers: [DetalleServicioService],
+  exports:[DetalleServicioService]
 })
 export class DetalleServicioModule {}
diff --git a/src/detalle_servicio/detalle_servicio.service.ts b/src/detalle_servicio/detalle_servicio.service.ts
index ea6b477..b074e17 100644
--- a/src/detalle_servicio/detalle_servicio.service.ts
+++ b/src/detalle_servicio/detalle_servicio.service.ts
@@ -5,7 +5,7 @@ import { CreateDetalleServicioDto } from './dto/create-detalle_servicio.dto';
 
 @Injectable()
 export class DetalleServicioService {
-  async Create(data: CreateDetalleServicioDto, manager: EntityManager) {
+  async Create(data, manager: EntityManager) {
     const repo = manager.getRepository(DetalleServicio);
     const details = repo.create(data);
     return await repo.save(details);
diff --git a/src/detalle_servicio/entities/detalle_servicio.entity.ts b/src/detalle_servicio/entities/detalle_servicio.entity.ts
index e829e3c..3a5c957 100644
--- a/src/detalle_servicio/entities/detalle_servicio.entity.ts
+++ b/src/detalle_servicio/entities/detalle_servicio.entity.ts
@@ -38,18 +38,11 @@ export class DetalleServicio {
   })
   fecha_operacion: Date;
 
-  @Column()
-  id_cuenta:number
-
-    @Column()
-  id_servicio:number
-
-
-  @ManyToOne(() => Alumno, (id_cuenta) => id_cuenta.detalles_servicio, {
+  @ManyToOne(() => Alumno, (alum) => alum.detalles_servicio, {
     eager: true,
   })
   @JoinColumn({ name: 'id_cuenta' })
-  cuenta: Alumno;
+  alum: Alumno;
 
   @ManyToOne(() => Servicio, (id_servicio) => id_servicio.detalles_servicio, {
     eager: true,
@@ -57,16 +50,16 @@ export class DetalleServicio {
   @JoinColumn({ name: 'id_servicio' })
   servicio: Servicio;
 
-  @ManyToOne(() => User, (id_perfil) => id_perfil.detalles_servicio, {
+  @ManyToOne(() => User, (user) => user.detalles_servicio, {
     eager: true,
   })
   @JoinColumn({ name: 'id_usuario' })
-  id_perfil: User;
+  user: User;
 
-  @ManyToOne(() => Periodo, (id_periodo) => id_periodo.detalles_servicio, {
+  @ManyToOne(() => Periodo, (periodo) => periodo.detalles_servicio, {
     eager: true,
     nullable: true,
   })
   @JoinColumn({ name: 'id_periodo' })
-  id_periodo: Periodo;
+  periodo: Periodo;
 }
diff --git a/src/periodo/entities/periodo.entity.ts b/src/periodo/entities/periodo.entity.ts
index b1a6dcc..d98ad06 100644
--- a/src/periodo/entities/periodo.entity.ts
+++ b/src/periodo/entities/periodo.entity.ts
@@ -24,7 +24,7 @@ export class Periodo {
 
   @OneToMany(
     () => DetalleServicio,
-    (id_detalle_servicio) => id_detalle_servicio.id_periodo,
+    (id_detalle_servicio) => id_detalle_servicio.periodo,
   )
   detalles_servicio: DetalleServicio[];
 }
diff --git a/src/periodo/periodo.controller.ts b/src/periodo/periodo.controller.ts
index c6a72c6..8e8dd64 100644
--- a/src/periodo/periodo.controller.ts
+++ b/src/periodo/periodo.controller.ts
@@ -1,34 +1,6 @@
 import { Controller, Get, Post, Body, Patch, Param, Delete } from '@nestjs/common';
-import { PeriodoService } from './periodo.service';
-import { CreatePeriodoDto } from './dto/create-periodo.dto';
-import { UpdatePeriodoDto } from './dto/update-periodo.dto';
 
 @Controller('periodo')
 export class PeriodoController {
-  constructor(private readonly periodoService: PeriodoService) {}
 
-  @Post()
-  create(@Body() createPeriodoDto: CreatePeriodoDto) {
-    return this.periodoService.create(createPeriodoDto);
-  }
-
-  @Get()
-  findAll() {
-    return this.periodoService.findAll();
-  }
-
-  @Get(':id')
-  findOne(@Param('id') id: string) {
-    return this.periodoService.findOne(+id);
-  }
-
-  @Patch(':id')
-  update(@Param('id') id: string, @Body() updatePeriodoDto: UpdatePeriodoDto) {
-    return this.periodoService.update(+id, updatePeriodoDto);
-  }
-
-  @Delete(':id')
-  remove(@Param('id') id: string) {
-    return this.periodoService.remove(+id);
-  }
 }
diff --git a/src/periodo/periodo.service.ts b/src/periodo/periodo.service.ts
index b808232..cf80e3a 100644
--- a/src/periodo/periodo.service.ts
+++ b/src/periodo/periodo.service.ts
@@ -4,23 +4,4 @@ import { UpdatePeriodoDto } from './dto/update-periodo.dto';
 
 @Injectable()
 export class PeriodoService {
-  create(createPeriodoDto: CreatePeriodoDto) {
-    return 'This action adds a new periodo';
-  }
-
-  findAll() {
-    return `This action returns all periodo`;
-  }
-
-  findOne(id: number) {
-    return `This action returns a #${id} periodo`;
-  }
-
-  update(id: number, updatePeriodoDto: UpdatePeriodoDto) {
-    return `This action updates a #${id} periodo`;
-  }
-
-  remove(id: number) {
-    return `This action removes a #${id} periodo`;
-  }
 }
diff --git a/src/recibo/dto/create-recibo.dto.ts b/src/recibo/dto/create-recibo.dto.ts
new file mode 100644
index 0000000..9cfa372
--- /dev/null
+++ b/src/recibo/dto/create-recibo.dto.ts
@@ -0,0 +1,15 @@
+import { Type } from 'class-transformer';
+import { IsDate, IsNumber, IsString } from 'class-validator';
+
+export class CreateReciboDto {
+
+  @IsNumber()
+  monto: number;
+
+  @IsString()
+  folio_recibo: string;
+
+  @IsDate()
+  @Type(() => Date)
+  fecha_recibo: Date;
+}
diff --git a/src/ticket/entities/ticket.entity.ts b/src/recibo/entities/recibo.entity.ts
similarity index 74%
rename from src/ticket/entities/ticket.entity.ts
rename to src/recibo/entities/recibo.entity.ts
index 7e41380..1609f67 100644
--- a/src/ticket/entities/ticket.entity.ts
+++ b/src/recibo/entities/recibo.entity.ts
@@ -1,4 +1,3 @@
-export class Ticket {}
 import {
   Column,
   Entity,
@@ -7,6 +6,7 @@ import {
   PrimaryGeneratedColumn,
 } from 'typeorm';
 import { User } from '../../user/entities/user.entity';
+import { Alumno } from 'src/alumno/entities/student.entity';
 
 @Entity({ name: 'recibo' })
 export class Recibo {
@@ -29,20 +29,11 @@ export class Recibo {
   monto: number;
 
   @Column({ name: 'fecha_recibo', type: 'date', nullable: false })
-  fecha_recibo: Date | null;
+  fecha_recibo: Date ;
 
-  @Column({
-    name: 'id_cuenta',
-    type: 'int',
-  })
-  id_cuenta: number;
-
-  @Column({
-    name: 'id_usuario',
-    type: 'int',
-    nullable: false,
-  })
-  id_usuario: number;
+  @ManyToOne(() => Alumno, (alum) => alum.id_cuenta, {})
+  @JoinColumn({ name: 'id_cuenta' })
+  alum: Alumno;
 
   @ManyToOne(() => User, (user) => user.id_usuario, {})
   @JoinColumn({ name: 'id_usuario' })
diff --git a/src/recibo/recibo.controller.ts b/src/recibo/recibo.controller.ts
new file mode 100644
index 0000000..57c0747
--- /dev/null
+++ b/src/recibo/recibo.controller.ts
@@ -0,0 +1,15 @@
+import {
+  Controller,
+  Post,
+  Body,
+  UseGuards,
+  Req,
+} from '@nestjs/common';
+import { ReciboService } from './recibo.service';
+
+@Controller('recibo')
+export class ReciboController {
+  constructor(private readonly reciboService: ReciboService) {}
+
+}
+//IO
diff --git a/src/recibo/recibo.module.ts b/src/recibo/recibo.module.ts
new file mode 100644
index 0000000..fa6cf67
--- /dev/null
+++ b/src/recibo/recibo.module.ts
@@ -0,0 +1,16 @@
+import { Module } from '@nestjs/common';
+import { ReciboService } from './recibo.service';
+import { ReciboController } from './recibo.controller';
+import { TypeOrmModule } from '@nestjs/typeorm';
+import { Recibo } from './entities/recibo.entity';
+import { AlumnoModule } from 'src/alumno/student.module';
+import { UserModule } from 'src/user/user.module';
+
+@Module({
+  imports: [TypeOrmModule.forFeature([Recibo]), AlumnoModule, UserModule],
+  controllers: [ReciboController],
+  providers: [ReciboService],
+  exports:[ReciboService]
+})
+export class ReciboModule {}
+//IO
diff --git a/src/recibo/recibo.service.ts b/src/recibo/recibo.service.ts
new file mode 100644
index 0000000..9dd5344
--- /dev/null
+++ b/src/recibo/recibo.service.ts
@@ -0,0 +1,27 @@
+import { ConflictException, Injectable } from '@nestjs/common';
+import { InjectRepository } from '@nestjs/typeorm';
+import { Recibo } from './entities/recibo.entity';
+import { EntityManager, Repository } from 'typeorm';
+import { CreateReciboDto } from './dto/create-recibo.dto';
+
+@Injectable()
+export class ReciboService {
+  constructor(
+    @InjectRepository(Recibo)
+    private readonly reciboRepository: Repository<Recibo>,
+  ) {}
+
+  async findOne(folio_recibo: string) {
+    const recibo = await this.reciboRepository.findOne({
+      where: { folio_recibo },
+    });
+    return recibo;
+  }
+
+  async create(data: CreateReciboDto, manager: EntityManager) {
+    const repo = manager.getRepository(Recibo);
+    const details = repo.create(data);
+    return await repo.save(details);
+  }
+}
+//IO
diff --git a/src/servicio/entities/servicio.entity.ts b/src/servicio/entities/servicio.entity.ts
index 6aad2e3..9641a19 100644
--- a/src/servicio/entities/servicio.entity.ts
+++ b/src/servicio/entities/servicio.entity.ts
@@ -11,7 +11,7 @@ export class Servicio {
   
   @OneToMany(
     () => DetalleServicio,
-    (id_detalle_servicio) => id_detalle_servicio.id_servicio,
+    (id_detalle_servicio) => id_detalle_servicio.servicio,
   )
   detalles_servicio: DetalleServicio[];
 }
diff --git a/src/ticket/dto/create-ticket.dto.ts b/src/ticket/dto/create-ticket.dto.ts
deleted file mode 100644
index 921b819..0000000
--- a/src/ticket/dto/create-ticket.dto.ts
+++ /dev/null
@@ -1 +0,0 @@
-export class CreateTicketDto {}
diff --git a/src/ticket/dto/update-ticket.dto.ts b/src/ticket/dto/update-ticket.dto.ts
deleted file mode 100644
index efaf3aa..0000000
--- a/src/ticket/dto/update-ticket.dto.ts
+++ /dev/null
@@ -1,4 +0,0 @@
-import { PartialType } from '@nestjs/mapped-types';
-import { CreateTicketDto } from './create-ticket.dto';
-
-export class UpdateTicketDto extends PartialType(CreateTicketDto) {}
diff --git a/src/ticket/ticket.controller.ts b/src/ticket/ticket.controller.ts
deleted file mode 100644
index 92f458b..0000000
--- a/src/ticket/ticket.controller.ts
+++ /dev/null
@@ -1,34 +0,0 @@
-import { Controller, Get, Post, Body, Patch, Param, Delete } from '@nestjs/common';
-import { TicketService } from './ticket.service';
-import { CreateTicketDto } from './dto/create-ticket.dto';
-import { UpdateTicketDto } from './dto/update-ticket.dto';
-
-@Controller('ticket')
-export class TicketController {
-  constructor(private readonly ticketService: TicketService) {}
-
-  @Post()
-  create(@Body() createTicketDto: CreateTicketDto) {
-    return this.ticketService.create(createTicketDto);
-  }
-
-  @Get()
-  findAll() {
-    return this.ticketService.findAll();
-  }
-
-  @Get(':id')
-  findOne(@Param('id') id: string) {
-    return this.ticketService.findOne(+id);
-  }
-
-  @Patch(':id')
-  update(@Param('id') id: string, @Body() updateTicketDto: UpdateTicketDto) {
-    return this.ticketService.update(+id, updateTicketDto);
-  }
-
-  @Delete(':id')
-  remove(@Param('id') id: string) {
-    return this.ticketService.remove(+id);
-  }
-}
diff --git a/src/ticket/ticket.module.ts b/src/ticket/ticket.module.ts
deleted file mode 100644
index 2790566..0000000
--- a/src/ticket/ticket.module.ts
+++ /dev/null
@@ -1,9 +0,0 @@
-import { Module } from '@nestjs/common';
-import { TicketService } from './ticket.service';
-import { TicketController } from './ticket.controller';
-
-@Module({
-  controllers: [TicketController],
-  providers: [TicketService],
-})
-export class TicketModule {}
diff --git a/src/ticket/ticket.service.ts b/src/ticket/ticket.service.ts
deleted file mode 100644
index e4d322a..0000000
--- a/src/ticket/ticket.service.ts
+++ /dev/null
@@ -1,26 +0,0 @@
-import { Injectable } from '@nestjs/common';
-import { CreateTicketDto } from './dto/create-ticket.dto';
-import { UpdateTicketDto } from './dto/update-ticket.dto';
-
-@Injectable()
-export class TicketService {
-  create(createTicketDto: CreateTicketDto) {
-    return 'This action adds a new ticket';
-  }
-
-  findAll() {
-    return `This action returns all ticket`;
-  }
-
-  findOne(id: number) {
-    return `This action returns a #${id} ticket`;
-  }
-
-  update(id: number, updateTicketDto: UpdateTicketDto) {
-    return `This action updates a #${id} ticket`;
-  }
-
-  remove(id: number) {
-    return `This action removes a #${id} ticket`;
-  }
-}
diff --git a/src/user/entities/user.entity.ts b/src/user/entities/user.entity.ts
index 19919d5..d12377d 100644
--- a/src/user/entities/user.entity.ts
+++ b/src/user/entities/user.entity.ts
@@ -1,4 +1,5 @@
 import { DetalleServicio } from 'src/detalle_servicio/entities/detalle_servicio.entity';
+import { Recibo } from 'src/recibo/entities/recibo.entity';
 import {
   Column,
   Entity,
@@ -55,7 +56,10 @@ export class User {
 
   @OneToMany(
     () => DetalleServicio,
-    (id_detalle_servicio) => id_detalle_servicio.id_perfil,
+    (id_detalle_servicio) => id_detalle_servicio.user,
   )
   detalles_servicio: DetalleServicio[];
+
+  @OneToMany(() => Recibo, (recibo) => recibo.user)
+  recibo: Recibo[];
 }
diff --git a/src/user/jwt.guard.ts b/src/user/jwt.guard.ts
new file mode 100644
index 0000000..2155290
--- /dev/null
+++ b/src/user/jwt.guard.ts
@@ -0,0 +1,5 @@
+import { Injectable } from '@nestjs/common';
+import { AuthGuard } from '@nestjs/passport';
+
+@Injectable()
+export class JwtAuthGuard extends AuthGuard('jwt') {}
diff --git a/src/user/jwt.strategy.ts b/src/user/jwt.strategy.ts
index ba6d3ae..897524e 100644
--- a/src/user/jwt.strategy.ts
+++ b/src/user/jwt.strategy.ts
@@ -1,7 +1,6 @@
 import { Injectable } from '@nestjs/common';
 import { PassportStrategy } from '@nestjs/passport';
 import { ExtractJwt, Strategy } from 'passport-jwt';
-import { UserService } from './user.service';
 import { ConfigService } from '@nestjs/config';
 
 @Injectable()
@@ -15,6 +14,6 @@ export class JwtStrategy extends PassportStrategy(Strategy) {
   }
 
   async validate(payload: any) {
-    return { userId: payload.id, username: payload.usuario };
+    return { id: payload.id, usuario: payload.usuario };
   }
 }
diff --git a/src/user/user.module.ts b/src/user/user.module.ts
index ecbeb79..c2fcb49 100644
--- a/src/user/user.module.ts
+++ b/src/user/user.module.ts
@@ -21,11 +21,10 @@ import { JwtStrategy } from './jwt.strategy';
           signOptions: { expiresIn: '1h' },
         };
       },
-
     }),
   ],
   controllers: [UserController],
-  providers: [UserService,JwtStrategy],
-  exports: [UserService],
+  providers: [UserService, JwtStrategy],
+  exports: [UserService,PassportModule,JwtModule],
 })
-export class UserModule { }
+export class UserModule {}
diff --git a/src/user/user.service.ts b/src/user/user.service.ts
index 32af2af..1b5d42e 100644
--- a/src/user/user.service.ts
+++ b/src/user/user.service.ts
@@ -41,7 +41,20 @@ export class UserService {
       path: '/',
     });
 
-    return res.json({ message: 'Inicio de sesión exitoso' });
+    return res.json({
+      message: 'Inicio de sesión exitoso',
+      access_token: token,
+    });
+  }
+
+  async findOne(id_usuario: number): Promise<User> {
+    const student = await this.userRepository.findOne({
+      where: { id_usuario },
+    });
+    if (!student) {
+      throw new NotFoundException(`Student not found`);
+    }
+    return student;
   }
 }
-//IO
\ No newline at end of file
+//IO