diff --git a/src/Operations/operations.module.ts b/src/Operations/operations.module.ts
index 84e1ba9..8ef5142 100644
--- a/src/Operations/operations.module.ts
+++ b/src/Operations/operations.module.ts
@@ -1,13 +1,13 @@
 import { Module } from '@nestjs/common';
 import { TypeOrmModule } from '@nestjs/typeorm';
-import { Student } from 'src/alumno/entities/student.entity';
+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';
 
 @Module({
   imports: [
-    TypeOrmModule.forFeature([Student, DetalleServicio]), // entidades que usarán las transacciones
+    TypeOrmModule.forFeature([Alumno, DetalleServicio]), // entidades que usarán las transacciones
   ],
   controllers: [OperationsController],
   providers: [OperationsService],
diff --git a/src/alumno/entities/student.entity.ts b/src/alumno/entities/student.entity.ts
index 5ed2329..e51ce41 100644
--- a/src/alumno/entities/student.entity.ts
+++ b/src/alumno/entities/student.entity.ts
@@ -9,25 +9,25 @@ import {
   PrimaryGeneratedColumn,
 } from 'typeorm';
 
-@Entity({ name: 'carrea' })
+@Entity({ name: 'carrera' })
 export class Carrera {
   @PrimaryGeneratedColumn({ name: 'id_carrera', type: 'int', unsigned: true })
   id_carrera: number;
 
   @Column({
-    name: 'nombre_carrea',
+    name: 'carrera',
     type: 'varchar',
     length: 100,
     nullable: false,
   })
-  nombre_carrea: string;
+  carrera: string;
 
-  @OneToMany(() => Student, (id_carrera) => id_carrera.id_cuenta)
-  id_carreras: Student[];
+  @OneToMany(() => Alumno, (student) => student.carrera)
+  estudiantes: Alumno[];
 }
 
 @Entity({ name: 'alumno' })
-export class Student {
+export class Alumno {
   @PrimaryGeneratedColumn({ name: 'id_cuenta', type: 'int', unsigned: true })
   id_cuenta: number;
 
@@ -83,19 +83,16 @@ export class Student {
   @Column({ name: 'generacion', type: 'int', width: 4, nullable: true })
   generacion: number | null;
 
-  @OneToMany(
-    () => DetalleServicio,
-    (id_detalle_servicio) => id_detalle_servicio.id_cuenta,
-  )
+  @OneToMany(() => DetalleServicio, (detalle) => detalle.id_cuenta)
   detalles_servicio: DetalleServicio[];
 
-  @ManyToOne(() => Carrera, (id_cuenta) => id_cuenta.id_carreras, {
+  @ManyToOne(() => Carrera, (carrera) => carrera.estudiantes, {
     eager: true,
     nullable: true,
   })
   @JoinColumn({ name: 'id_carrera' })
-  id_periodos: Carrera;
+  carrera: Carrera;
 
-  @OneToMany(() => AlumnoSancion, (id_cuenta) => id_cuenta.id_alumno_sancion)
-  id_cuentas: AlumnoSancion[];
+  @OneToMany(() => AlumnoSancion, (alusancion) => alusancion.id_cuenta)
+  sanciones: AlumnoSancion[];
 }
diff --git a/src/alumno/student.controller.ts b/src/alumno/student.controller.ts
index 37befbc..1e78037 100644
--- a/src/alumno/student.controller.ts
+++ b/src/alumno/student.controller.ts
@@ -1,19 +1,19 @@
 import { Controller, Get, Post, Body, Param } from '@nestjs/common';
 import { AlumnoService } from './student.service';
 import { CreateStudentDto } from './dto/create-student.dto';
-import { Student } from './entities/student.entity';
+import { Alumno } from './entities/student.entity';
 
 @Controller('student')
 export class StudentController {
   constructor(private readonly alumnoService: AlumnoService) {}
 
   @Post()
-  async create(@Body() createStudentDto: CreateStudentDto): Promise<Student> {
+  async create(@Body() createStudentDto: CreateStudentDto): Promise<Alumno> {
     return this.alumnoService.create(createStudentDto);
   }
 
   @Get()
-  async findAll(): Promise<Student[]> {
+  async findAll(): Promise<Alumno[]> {
     return this.alumnoService.findAll();
   }
 
diff --git a/src/alumno/student.module.ts b/src/alumno/student.module.ts
index eb72c91..769ecaa 100644
--- a/src/alumno/student.module.ts
+++ b/src/alumno/student.module.ts
@@ -2,10 +2,10 @@ import { Module } from '@nestjs/common';
 import { AlumnoService } from './student.service';
 import { StudentController } from './student.controller';
 import { TypeOrmModule } from '@nestjs/typeorm';
-import { Student } from './entities/student.entity';
+import { Alumno } from './entities/student.entity';
 
 @Module({
-  imports: [TypeOrmModule.forFeature([Student])],
+  imports: [TypeOrmModule.forFeature([Alumno])],
   controllers: [StudentController],
   providers: [AlumnoService],
 })
diff --git a/src/alumno/student.service.ts b/src/alumno/student.service.ts
index fcd1c2e..d531a23 100644
--- a/src/alumno/student.service.ts
+++ b/src/alumno/student.service.ts
@@ -1,27 +1,27 @@
 import { Injectable, NotFoundException } from '@nestjs/common';
 import { CreateStudentDto } from './dto/create-student.dto';
-import { Student } from './entities/student.entity';
+import { Alumno } from './entities/student.entity';
 import { EntityManager, Repository } from 'typeorm';
 import { InjectRepository } from '@nestjs/typeorm';
 
 @Injectable()
 export class AlumnoService {
   constructor(
-    @InjectRepository(Student)
-    private readonly studentRepository: Repository<Student>,
+    @InjectRepository(Alumno)
+    private readonly studentRepository: Repository<Alumno>,
   ) {}
 
-  async create(createStudentDto: CreateStudentDto): Promise<Student> {
+  async create(createStudentDto: CreateStudentDto): Promise<Alumno> {
     //Hubo pedos con la base , revisar
     const student = this.studentRepository.create(createStudentDto);
     return await this.studentRepository.save(student);
   }
 
-  findAll(): Promise<Student[]> {
+  findAll(): Promise<Alumno[]> {
     return this.studentRepository.find({ skip: 5000, take: 50 });
   }
 
-  async findOne(id_cuenta: number): Promise<Student> {
+  async findOne(id_cuenta: number): Promise<Alumno> {
     const student = await this.studentRepository.findOne({
       where: { id_cuenta },
     });
@@ -31,7 +31,7 @@ export class AlumnoService {
     return student;
   }
 
-  async GetCredit(id_cuenta: number): Promise<Student['credito']> {
+  async GetCredit(id_cuenta: number): Promise<Alumno['credito']> {
     const student = await this.findOne(id_cuenta);
     return student.credito;
   }
@@ -41,7 +41,7 @@ export class AlumnoService {
     credit: number,
     manager: EntityManager,
   ) {
-    const repo = manager.getRepository(Student);
+    const repo = manager.getRepository(Alumno);
     return await repo
       .createQueryBuilder()
       .update()
diff --git a/src/alumno_sancion/alumno_sancion.controller.spec.ts b/src/alumno_sancion/alumno_sancion.controller.spec.ts
deleted file mode 100644
index 6a4c343..0000000
--- a/src/alumno_sancion/alumno_sancion.controller.spec.ts
+++ /dev/null
@@ -1,20 +0,0 @@
-import { Test, TestingModule } from '@nestjs/testing';
-import { AlumnoSancionController } from './alumno_sancion.controller';
-import { AlumnoSancionService } from './alumno_sancion.service';
-
-describe('AlumnoSancionController', () => {
-  let controller: AlumnoSancionController;
-
-  beforeEach(async () => {
-    const module: TestingModule = await Test.createTestingModule({
-      controllers: [AlumnoSancionController],
-      providers: [AlumnoSancionService],
-    }).compile();
-
-    controller = module.get<AlumnoSancionController>(AlumnoSancionController);
-  });
-
-  it('should be defined', () => {
-    expect(controller).toBeDefined();
-  });
-});
diff --git a/src/alumno_sancion/alumno_sancion.controller.ts b/src/alumno_sancion/alumno_sancion.controller.ts
index f64825b..4989186 100644
--- a/src/alumno_sancion/alumno_sancion.controller.ts
+++ b/src/alumno_sancion/alumno_sancion.controller.ts
@@ -1,34 +1,17 @@
-import { Controller, Get, Post, Body, Patch, Param, Delete } from '@nestjs/common';
+import { Controller, Get, Param } from '@nestjs/common';
 import { AlumnoSancionService } from './alumno_sancion.service';
-import { CreateAlumnoSancionDto } from './dto/create-alumno_sancion.dto';
-import { UpdateAlumnoSancionDto } from './dto/update-alumno_sancion.dto';
 
 @Controller('alumno-sancion')
 export class AlumnoSancionController {
   constructor(private readonly alumnoSancionService: AlumnoSancionService) {}
 
-  @Post()
-  create(@Body() createAlumnoSancionDto: CreateAlumnoSancionDto) {
-    return this.alumnoSancionService.create(createAlumnoSancionDto);
-  }
-
   @Get()
   findAll() {
     return this.alumnoSancionService.findAll();
   }
 
   @Get(':id')
-  findOne(@Param('id') id: string) {
+  findOne(@Param('id') id: number) {
     return this.alumnoSancionService.findOne(+id);
   }
-
-  @Patch(':id')
-  update(@Param('id') id: string, @Body() updateAlumnoSancionDto: UpdateAlumnoSancionDto) {
-    return this.alumnoSancionService.update(+id, updateAlumnoSancionDto);
-  }
-
-  @Delete(':id')
-  remove(@Param('id') id: string) {
-    return this.alumnoSancionService.remove(+id);
-  }
 }
diff --git a/src/alumno_sancion/alumno_sancion.module.ts b/src/alumno_sancion/alumno_sancion.module.ts
index ac6124b..56789a1 100644
--- a/src/alumno_sancion/alumno_sancion.module.ts
+++ b/src/alumno_sancion/alumno_sancion.module.ts
@@ -1,8 +1,13 @@
 import { Module } from '@nestjs/common';
 import { AlumnoSancionService } from './alumno_sancion.service';
 import { AlumnoSancionController } from './alumno_sancion.controller';
+import { TypeOrmModule } from '@nestjs/typeorm';
+import { AlumnoSancion } from './entities/alumno_sancion.entity';
+import { Alumno } from 'src/alumno/entities/student.entity';
+import { Sancion } from 'src/sancion/entities/sancion.entity';
 
 @Module({
+  imports:[TypeOrmModule.forFeature([AlumnoSancion,Alumno,Sancion])],
   controllers: [AlumnoSancionController],
   providers: [AlumnoSancionService],
 })
diff --git a/src/alumno_sancion/alumno_sancion.service.spec.ts b/src/alumno_sancion/alumno_sancion.service.spec.ts
deleted file mode 100644
index 2f371b2..0000000
--- a/src/alumno_sancion/alumno_sancion.service.spec.ts
+++ /dev/null
@@ -1,18 +0,0 @@
-import { Test, TestingModule } from '@nestjs/testing';
-import { AlumnoSancionService } from './alumno_sancion.service';
-
-describe('AlumnoSancionService', () => {
-  let service: AlumnoSancionService;
-
-  beforeEach(async () => {
-    const module: TestingModule = await Test.createTestingModule({
-      providers: [AlumnoSancionService],
-    }).compile();
-
-    service = module.get<AlumnoSancionService>(AlumnoSancionService);
-  });
-
-  it('should be defined', () => {
-    expect(service).toBeDefined();
-  });
-});
diff --git a/src/alumno_sancion/alumno_sancion.service.ts b/src/alumno_sancion/alumno_sancion.service.ts
index 724bb0a..a15444b 100644
--- a/src/alumno_sancion/alumno_sancion.service.ts
+++ b/src/alumno_sancion/alumno_sancion.service.ts
@@ -1,10 +1,7 @@
 import { Injectable, NotFoundException } from '@nestjs/common';
-import { CreateAlumnoSancionDto } from './dto/create-alumno_sancion.dto';
-import { UpdateAlumnoSancionDto } from './dto/update-alumno_sancion.dto';
 import { InjectRepository } from '@nestjs/typeorm';
 import { AlumnoSancion } from './entities/alumno_sancion.entity';
 import { Repository } from 'typeorm';
-import { Student } from 'src/alumno/entities/student.entity';
 
 @Injectable()
 export class AlumnoSancionService {
@@ -13,29 +10,17 @@ export class AlumnoSancionService {
     private readonly alumnosancionRepository: Repository<AlumnoSancion>,
   ) {}
 
-  create(createAlumnoSancionDto: CreateAlumnoSancionDto) {
-    return 'This action adds a new alumnoSancion';
-  }
-
   findAll() {
     return `This action returns all alumnoSancion`;
   }
 
-  async findOne(id_cuenta: CreateAlumnoSancionDto): Promise<AlumnoSancion> {
+  async findOne(id_cuenta: number): Promise<AlumnoSancion> {
     const alusancion = await this.alumnosancionRepository.findOne({
-      where: { id_cuenta },
+      where: { id_cuenta:{id_cuenta} },
     });
     if (!alusancion) {
       throw new NotFoundException(`Student with ID ${id_cuenta} not found`);
     }
     return alusancion;
   }
-
-  update(id: number, updateAlumnoSancionDto: UpdateAlumnoSancionDto) {
-    return `This action updates a #${id} alumnoSancion`;
-  }
-
-  remove(id: number) {
-    return `This action removes a #${id} alumnoSancion`;
-  }
 }
diff --git a/src/alumno_sancion/entities/alumno_sancion.entity.ts b/src/alumno_sancion/entities/alumno_sancion.entity.ts
index 5c0e315..7aef074 100644
--- a/src/alumno_sancion/entities/alumno_sancion.entity.ts
+++ b/src/alumno_sancion/entities/alumno_sancion.entity.ts
@@ -1,4 +1,4 @@
-import { Student } from 'src/alumno/entities/student.entity';
+import { Alumno } from 'src/alumno/entities/student.entity';
 import { Sancion } from 'src/sancion/entities/sancion.entity';
 import {
   Column,
@@ -21,25 +21,17 @@ export class AlumnoSancion {
   })
   fecha_inicio: Date;
 
-  @ManyToOne(
-    () => Student,
-    (id_alumno_sancion) => id_alumno_sancion.id_cuentas,
-    {
-      eager: true,
-      nullable: true,
-    },
-  )
+  @ManyToOne(() => Alumno, (student) => student.sanciones, {
+    eager: true,
+    nullable: true,
+  })
   @JoinColumn({ name: 'id_cuenta' })
-  id_cuenta: Student;
+  id_cuenta: Alumno;
 
-  @ManyToOne(
-    () => Sancion,
-    (id_alumno_sancion) => id_alumno_sancion.id_sanciones,
-    {
-      eager: true,
-      nullable: true,
-    },
-  )
+  @ManyToOne(() => Sancion, (sancion) => sancion.sancion, {
+    eager: true,
+    nullable: true,
+  })
   @JoinColumn({ name: 'id_sancion' })
   id_sancion: Sancion;
 }
diff --git a/src/app.module.ts b/src/app.module.ts
index 5a70d38..5f6aa50 100644
--- a/src/app.module.ts
+++ b/src/app.module.ts
@@ -9,13 +9,14 @@ import { Perfil, User } from './user/entities/user.entity';
 import { DetalleServicioModule } from './detalle_servicio/detalle_servicio.module';
 import { PeriodoModule } from './periodo/periodo.module';
 import { ServicioModule } from './servicio/servicio.module';
-import { Student } from './alumno/entities/student.entity';
+import { Alumno, Carrera } from './alumno/entities/student.entity';
 import { DetalleServicio } from './detalle_servicio/entities/detalle_servicio.entity';
 import { Periodo } from './periodo/entities/periodo.entity';
 import { Servicio } from './servicio/entities/servicio.entity';
 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';
 
 @Module({
   imports: [
@@ -34,12 +35,14 @@ import { AlumnoSancion } from './alumno_sancion/entities/alumno_sancion.entity';
         database: configService.get<string>('DB_NAME'),
         entities: [
           User,
-          Student,
+          Alumno,
           DetalleServicio,
           Periodo,
           Servicio,
           Perfil,
           AlumnoSancion,
+          Sancion,
+          Carrera,
         ],
         synchronize: false, //Never change to true in production!
       }),
diff --git a/src/detalle_servicio/entities/detalle_servicio.entity.ts b/src/detalle_servicio/entities/detalle_servicio.entity.ts
index 09ff81f..e829e3c 100644
--- a/src/detalle_servicio/entities/detalle_servicio.entity.ts
+++ b/src/detalle_servicio/entities/detalle_servicio.entity.ts
@@ -1,4 +1,4 @@
-import { Student } from 'src/alumno/entities/student.entity';
+import { Alumno } from 'src/alumno/entities/student.entity';
 import { Periodo } from 'src/periodo/entities/periodo.entity';
 import { Servicio } from 'src/servicio/entities/servicio.entity';
 import { User } from 'src/user/entities/user.entity';
@@ -38,17 +38,24 @@ export class DetalleServicio {
   })
   fecha_operacion: Date;
 
-  @ManyToOne(() => Student, (id_cuenta) => id_cuenta.detalles_servicio, {
+  @Column()
+  id_cuenta:number
+
+    @Column()
+  id_servicio:number
+
+
+  @ManyToOne(() => Alumno, (id_cuenta) => id_cuenta.detalles_servicio, {
     eager: true,
   })
   @JoinColumn({ name: 'id_cuenta' })
-  id_cuenta: Student;
+  cuenta: Alumno;
 
   @ManyToOne(() => Servicio, (id_servicio) => id_servicio.detalles_servicio, {
     eager: true,
   })
   @JoinColumn({ name: 'id_servicio' })
-  id_servicio: Servicio;
+  servicio: Servicio;
 
   @ManyToOne(() => User, (id_perfil) => id_perfil.detalles_servicio, {
     eager: true,
diff --git a/src/sancion/entities/sancion.entity.ts b/src/sancion/entities/sancion.entity.ts
index 674817b..77b3d6e 100644
--- a/src/sancion/entities/sancion.entity.ts
+++ b/src/sancion/entities/sancion.entity.ts
@@ -14,7 +14,7 @@ export class Sancion {
 
   @OneToMany(
     () => AlumnoSancion,
-    (id_sanncion) => id_sanncion.id_alumno_sancion,
+    (alusancion) => alusancion.id_sancion,
   )
-  id_sanciones: AlumnoSancion[];
+  alumnosSancionados: AlumnoSancion[];
 }
diff --git a/src/sancion/sancion.controller.spec.ts b/src/sancion/sancion.controller.spec.ts
deleted file mode 100644
index 39e267f..0000000
--- a/src/sancion/sancion.controller.spec.ts
+++ /dev/null
@@ -1,20 +0,0 @@
-import { Test, TestingModule } from '@nestjs/testing';
-import { SancionController } from './sancion.controller';
-import { SancionService } from './sancion.service';
-
-describe('SancionController', () => {
-  let controller: SancionController;
-
-  beforeEach(async () => {
-    const module: TestingModule = await Test.createTestingModule({
-      controllers: [SancionController],
-      providers: [SancionService],
-    }).compile();
-
-    controller = module.get<SancionController>(SancionController);
-  });
-
-  it('should be defined', () => {
-    expect(controller).toBeDefined();
-  });
-});
diff --git a/src/sancion/sancion.service.spec.ts b/src/sancion/sancion.service.spec.ts
deleted file mode 100644
index 825601c..0000000
--- a/src/sancion/sancion.service.spec.ts
+++ /dev/null
@@ -1,18 +0,0 @@
-import { Test, TestingModule } from '@nestjs/testing';
-import { SancionService } from './sancion.service';
-
-describe('SancionService', () => {
-  let service: SancionService;
-
-  beforeEach(async () => {
-    const module: TestingModule = await Test.createTestingModule({
-      providers: [SancionService],
-    }).compile();
-
-    service = module.get<SancionService>(SancionService);
-  });
-
-  it('should be defined', () => {
-    expect(service).toBeDefined();
-  });
-});
diff --git a/src/servicio/entities/servicio.entity.ts b/src/servicio/entities/servicio.entity.ts
index ce01eb1..6aad2e3 100644
--- a/src/servicio/entities/servicio.entity.ts
+++ b/src/servicio/entities/servicio.entity.ts
@@ -8,6 +8,7 @@ export class Servicio {
 
   @Column({ type: 'varchar', length: 45, nullable: false })
   servicio: string;
+  
   @OneToMany(
     () => DetalleServicio,
     (id_detalle_servicio) => id_detalle_servicio.id_servicio,
diff --git a/src/user/user.controller.ts b/src/user/user.controller.ts
index 37bab3d..c7f5aa2 100644
--- a/src/user/user.controller.ts
+++ b/src/user/user.controller.ts
@@ -17,8 +17,8 @@ export class UserController {
   constructor(private readonly userService: UserService) {}
 
   @Post()
-  async Login(@Body() data: CreateUserDto, @Res() res: Response) {
-    return this.userService.Login(data, res);
+  async Login(@Body() data: CreateUserDto) {
+    return this.userService.Login(data);
   }
 
   @UseGuards(AuthGuard('jwt'))