fix(server): 路由 id 使用 ParseIntPipe，限制分页与批量数组上限

apps/server/src/attendance/attendance-query.service.ts

@@ -131,8 +131,8 @@ export class AttendanceQueryService {
     },
     accessibleClassIds?: number[],
   ) {
-    const page = query.page || 1;
+    const page = Math.max(1, Math.floor(Number(query.page) || 1));
-    const pageSize = query.pageSize || 20;
+    const pageSize = Math.min(200, Math.max(1, Math.floor(Number(query.pageSize) || 20)));
 
     const qb = this.attendanceRepo.createQueryBuilder('ar');
 
@@ -233,8 +233,8 @@ export class AttendanceQueryService {
 
   // ── DingAttendance raw records ──
   async getDingRaw(query: QueryDingRawDto, accessibleClassIds?: number[]) {
-    const page = query.page || 1;
+    const page = Math.max(1, Math.floor(Number(query.page) || 1));
-    const pageSize = query.pageSize || 20;
+    const pageSize = Math.min(200, Math.max(1, Math.floor(Number(query.pageSize) || 20)));
     const qb = this.dingRawRepo.createQueryBuilder('ar');
 
     qb.leftJoinAndSelect('ar.matchedStudent', 'matchedStudent');

apps/server/src/classes/classes.controller.ts

@@ -6,6 +6,7 @@ import {
   Delete,
   Body,
   Param,
+  ParseIntPipe,
   Query,
   UseGuards,
   UsePipes,
@@ -85,7 +86,7 @@ export class ClassesController {
 
   @Get(':id')
   @RequirePermission('class:view')
-  async findOne(@Param('id') id: string, @Request() req: AuthenticatedRequest) {
+  async findOne(@Param('id', ParseIntPipe) id: number, @Request() req: AuthenticatedRequest) {
     await this.assertReadAccess(req, +id);
     return this.service.findOne(+id);
   }
@@ -93,7 +94,7 @@ export class ClassesController {
   @Get(':id/schedule')
   @RequirePermission('class:view')
   async getSchedule(
-    @Param('id') id: string,
+    @Param('id', ParseIntPipe) id: number,
     @Query() query: QueryClassScheduleDto,
     @Request() req: AuthenticatedRequest,
   ) {
@@ -104,7 +105,7 @@ export class ClassesController {
   @Get(':id/attendance-summary')
   @RequirePermission('class:view')
   async getAttendanceSummary(
-    @Param('id') id: string,
+    @Param('id', ParseIntPipe) id: number,
     @Query() query: QueryClassAttendanceSummaryDto,
     @Request() req: AuthenticatedRequest,
   ) {
@@ -125,27 +126,27 @@ export class ClassesController {
   /** 批量导入学生到班级（通过钉钉用户ID） */
   @Post(':id/students/import')
   @RequirePermission('class:edit')
-  async batchImportStudents(@Param('id') id: string, @Body() dto: BatchImportStudentsDto) {
+  async batchImportStudents(@Param('id', ParseIntPipe) id: number, @Body() dto: BatchImportStudentsDto) {
     return this.service.batchImportStudents(+id, dto.users);
   }
 
   /** 归档班级 */
   @Put(':id/archive')
   @RequirePermission('class:edit')
-  async archive(@Param('id') id: string) {
+  async archive(@Param('id', ParseIntPipe) id: number) {
     return this.service.archive(+id);
   }
 
   /** 取消归档 */
   @Put(':id/restore')
   @RequirePermission('class:edit')
-  async restore(@Param('id') id: string) {
+  async restore(@Param('id', ParseIntPipe) id: number) {
     return this.service.restore(+id);
   }
 
   @Put(':id')
   @RequirePermission('class:edit')
-  async update(@Param('id') id: string, @Body() dto: UpdateClassDto, @Request() req: any) {
+  async update(@Param('id', ParseIntPipe) id: number, @Body() dto: UpdateClassDto, @Request() req: any) {
     const result = await this.service.update(+id, dto);
     await logAudit(this.logService, req, {
       module: '班级管理', action: '编辑班级', targetId: +id, targetType: 'class', detail: JSON.stringify(dto),
@@ -155,7 +156,7 @@ export class ClassesController {
 
   @Delete(':id')
   @RequirePermission('class:delete')
-  async remove(@Param('id') id: string, @Request() req: any) {
+  async remove(@Param('id', ParseIntPipe) id: number, @Request() req: any) {
     const result = await this.service.remove(+id);
     await logAudit(this.logService, req, {
       module: '班级管理', action: '归档班级', targetId: +id, targetType: 'class',
@@ -165,7 +166,7 @@ export class ClassesController {
 
   @Delete(':id/permanent')
   @RequirePermission('class:purge')
-  async purge(@Param('id') id: string, @Request() req: any) {
+  async purge(@Param('id', ParseIntPipe) id: number, @Request() req: any) {
     const result = await this.service.purge(+id);
     await logAudit(this.logService, req, {
       module: '班级管理', action: '永久删除班级', targetId: +id, targetType: 'class', detail: '物理删除，不可恢复',
@@ -176,7 +177,7 @@ export class ClassesController {
   @Get(':id/roster/export')
   @RequirePermission('class:view')
   async exportRoster(
-    @Param('id') id: string,
+    @Param('id', ParseIntPipe) id: number,
     @Res() res: Response,
     @Request() req: AuthenticatedRequest,
   ) {
@@ -218,14 +219,14 @@ export class ClassesController {
 
   @Get(':id/students')
   @RequirePermission('class:view')
-  async getStudents(@Param('id') id: string, @Request() req: AuthenticatedRequest) {
+  async getStudents(@Param('id', ParseIntPipe) id: number, @Request() req: AuthenticatedRequest) {
     await this.assertReadAccess(req, +id);
     return this.service.getStudents(+id);
   }
 
   @Post(':id/students')
   @RequirePermission('class:edit')
-  async addStudents(@Param('id') id: string, @Body() dto: AddStudentsDto, @Request() req: any) {
+  async addStudents(@Param('id', ParseIntPipe) id: number, @Body() dto: AddStudentsDto, @Request() req: any) {
     const result = await this.service.addStudents(+id, dto.studentIds);
     await logAudit(this.logService, req, {
       module: '班级管理', action: '添加学生', targetId: +id, targetType: 'class', detail: `新增${result.added}名学生`,
@@ -249,8 +250,8 @@ export class ClassesController {
   @Delete(':id/students/:studentId')
   @RequirePermission('class:edit')
   async removeStudent(
-    @Param('id') id: string,
+    @Param('id', ParseIntPipe) id: number,
-    @Param('studentId') studentId: string,
+    @Param('studentId', ParseIntPipe) studentId: number,
     @Request() req: any,
   ) {
     const result = await this.service.removeStudent(+id, +studentId);
@@ -262,14 +263,14 @@ export class ClassesController {
 
   @Get(':id/teachers')
   @RequirePermission('class:view')
-  async getTeachers(@Param('id') id: string, @Request() req: AuthenticatedRequest) {
+  async getTeachers(@Param('id', ParseIntPipe) id: number, @Request() req: AuthenticatedRequest) {
     await this.assertReadAccess(req, +id);
     return this.service.getTeachers(+id);
   }
 
   @Post(':id/teachers')
   @RequirePermission('class:edit')
-  async addTeacher(@Param('id') id: string, @Body() dto: AddTeacherDto, @Request() req: any) {
+  async addTeacher(@Param('id', ParseIntPipe) id: number, @Body() dto: AddTeacherDto, @Request() req: any) {
     const result = await this.service.addTeacher(+id, dto);
     await logAudit(this.logService, req, {
       module: '班级管理', action: '添加教师', targetId: +id, targetType: 'class', detail: `教师${dto.userId} 角色${dto.roleType}`,
@@ -290,8 +291,8 @@ export class ClassesController {
   @Delete(':id/teacher-assignments/:assignmentId')
   @RequirePermission('class:edit')
   async removeTeacherAssignment(
-    @Param('id') id: string,
+    @Param('id', ParseIntPipe) id: number,
-    @Param('assignmentId') assignmentId: string,
+    @Param('assignmentId', ParseIntPipe) assignmentId: number,
     @Request() req: any,
   ) {
     const result = await this.service.removeTeacherAssignment(+id, +assignmentId);
@@ -304,8 +305,8 @@ export class ClassesController {
   @Delete(':id/teachers/:userId')
   @RequirePermission('class:edit')
   async removeTeacher(
-    @Param('id') id: string,
+    @Param('id', ParseIntPipe) id: number,
-    @Param('userId') userId: string,
+    @Param('userId', ParseIntPipe) userId: number,
     @Request() req: any,
   ) {
     const result = await this.service.removeTeacher(+id, +userId);

apps/server/src/classroom-rentals/classroom-rentals.controller.ts

@@ -6,6 +6,7 @@ import {
   Delete,
   Body,
   Param,
+  ParseIntPipe,
   Query,
   UseGuards,
   Request,
@@ -95,7 +96,7 @@ export class ClassroomRentalsController {
 
   @Get(':id')
   @RequirePermission('rental:view')
-  findOne(@Param('id') id: string) {
+  findOne(@Param('id', ParseIntPipe) id: number) {
     return this.service.findOne(+id);
   }
 
@@ -111,7 +112,7 @@ export class ClassroomRentalsController {
 
   @Put(':id')
   @RequirePermission('rental:edit')
-  async update(@Param('id') id: string, @Body() dto: UpdateRentalDto, @Request() req: any) {
+  async update(@Param('id', ParseIntPipe) id: number, @Body() dto: UpdateRentalDto, @Request() req: any) {
     const result = await this.service.update(+id, dto);
     await logAudit(this.logService, req, {
       module: '教室租赁', action: '编辑租赁', targetId: +id, targetType: 'classroom-rental', detail: JSON.stringify(dto),
@@ -121,7 +122,7 @@ export class ClassroomRentalsController {
 
   @Put(':id/cancel')
   @RequirePermission('rental:edit')
-  async cancel(@Param('id') id: string, @Request() req: any) {
+  async cancel(@Param('id', ParseIntPipe) id: number, @Request() req: any) {
     const result = await this.service.cancel(+id);
     await logAudit(this.logService, req, {
       module: '教室租赁', action: '取消租赁', targetId: +id, targetType: 'classroom-rental',
@@ -131,7 +132,7 @@ export class ClassroomRentalsController {
 
   @Put(':id/end')
   @RequirePermission('rental:edit')
-  async end(@Param('id') id: string, @Request() req: any) {
+  async end(@Param('id', ParseIntPipe) id: number, @Request() req: any) {
     const result = await this.service.end(+id);
     await logAudit(this.logService, req, {
       module: '教室租赁', action: '结束租赁', targetId: +id, targetType: 'classroom-rental',
@@ -141,7 +142,7 @@ export class ClassroomRentalsController {
 
   @Delete(':id')
   @RequirePermission('rental:delete')
-  async remove(@Param('id') id: string, @Request() req: any) {
+  async remove(@Param('id', ParseIntPipe) id: number, @Request() req: any) {
     const result = await this.service.remove(+id);
     await logAudit(this.logService, req, {
       module: '教室租赁', action: '归档租赁', targetId: +id, targetType: 'classroom-rental',
@@ -151,7 +152,7 @@ export class ClassroomRentalsController {
 
   @Delete(':id/permanent')
   @RequirePermission('rental:purge')
-  async purge(@Param('id') id: string, @Request() req: any) {
+  async purge(@Param('id', ParseIntPipe) id: number, @Request() req: any) {
     const result = await this.service.purge(+id);
     await logAudit(this.logService, req, {
       module: '教室租赁', action: '永久删除租赁订单', targetId: +id, targetType: 'classroom-rental', detail: '物理删除，不可恢复',
@@ -174,7 +175,7 @@ export class ClassroomRentalsController {
     }),
   )
   async uploadContract(
-    @Param('id') id: string,
+    @Param('id', ParseIntPipe) id: number,
     @UploadedFile() file: Express.Multer.File,
     @Request() req: any,
   ) {
@@ -188,7 +189,7 @@ export class ClassroomRentalsController {
 
   @Get(':id/contract')
   @RequirePermission('rental:view')
-  async downloadContract(@Param('id') id: string, @Res() res: Response) {
+  async downloadContract(@Param('id', ParseIntPipe) id: number, @Res() res: Response) {
     const { fullPath, originalName } = await this.service.getContractPath(+id);
     res.setHeader('Content-Type', 'application/pdf');
     res.setHeader(
@@ -201,7 +202,7 @@ export class ClassroomRentalsController {
 
   @Delete(':id/contract')
   @RequirePermission('rental:edit')
-  async deleteContract(@Param('id') id: string, @Request() req: any) {
+  async deleteContract(@Param('id', ParseIntPipe) id: number, @Request() req: any) {
     const result = await this.service.removeContract(+id);
     await logAudit(this.logService, req, {
       module: '教室租赁', action: '移除合同', targetId: +id, targetType: 'classroom-rental',

apps/server/src/common/batch-ids.dto.spec.ts

@@ -17,4 +17,11 @@ describe('BatchIdsDto', () => {
     const dto = Object.assign(new BatchIdsDto(), { ids: [1, 1, 2] });
     await expect(validate(dto)).resolves.toHaveLength(0);
   });
+
+  it('rejects batches with more than 500 ids', async () => {
+    const dto = Object.assign(new BatchIdsDto(), {
+      ids: Array.from({ length: 501 }, (_, i) => i + 1),
+    });
+    await expect(validate(dto)).resolves.not.toHaveLength(0);
+  });
 });

apps/server/src/common/batch-ids.dto.ts

@@ -1,8 +1,9 @@
-import { ArrayNotEmpty, IsArray, IsInt, Min } from 'class-validator';
+import { ArrayMaxSize, ArrayNotEmpty, IsArray, IsInt, Min } from 'class-validator';
 
 export class BatchIdsDto {
   @IsArray()
   @ArrayNotEmpty()
+  @ArrayMaxSize(500)
   @IsInt({ each: true })
   @Min(1, { each: true })
   ids: number[];

apps/server/src/expense-types/expense-types.controller.ts

@@ -1,4 +1,4 @@
-import { Controller, Get, Post, Put, Delete, Body, Param, UseGuards, Request } from '@nestjs/common';
+import { Controller, Get, Post, Put, Delete, Body, Param, ParseIntPipe, UseGuards, Request } from '@nestjs/common';
 import { ExpenseTypesService } from './expense-types.service';
 import { CreateExpenseTypeDto, UpdateExpenseTypeDto } from './dto/expense-type.dto';
 import { JwtAuthGuard } from '../auth/guards/jwt-auth.guard';
@@ -47,7 +47,7 @@ export class ExpenseTypesController {
 
   @Put(':id')
   @RequirePermission('expense:edit')
-  async update(@Param('id') id: string, @Body() dto: UpdateExpenseTypeDto, @Request() req: any) {
+  async update(@Param('id', ParseIntPipe) id: number, @Body() dto: UpdateExpenseTypeDto, @Request() req: any) {
     const { ipAddress, userAgent } = extractRequestInfo(req);
     const result = await this.service.update(+id, dto);
     await this.logService.log({
@@ -66,7 +66,7 @@ export class ExpenseTypesController {
 
   @Delete(':id')
   @RequirePermission('expense:delete')
-  async remove(@Param('id') id: string, @Request() req: any) {
+  async remove(@Param('id', ParseIntPipe) id: number, @Request() req: any) {
     const { ipAddress, userAgent } = extractRequestInfo(req);
     await this.service.remove(+id);
     await this.logService.log({

apps/server/src/expenses/dto/expense.dto.spec.ts

@@ -28,4 +28,17 @@ describe('BatchRoomExpenseDto boundaries', () => {
     });
     await expect(validate(dto)).resolves.toHaveLength(0);
   });
+
+  it('rejects a batch with more than 500 items', async () => {
+    const dto = plainToInstance(BatchRoomExpenseDto, {
+      periodStart: '2026-07-01',
+      periodEnd: '2026-07-31',
+      expenses: Array.from({ length: 501 }, () => ({
+        roomId: 1,
+        expenseType: 'water',
+        amount: 10,
+      })),
+    });
+    await expect(validate(dto)).resolves.not.toHaveLength(0);
+  });
 });

apps/server/src/expenses/dto/expense.dto.ts

@@ -1,4 +1,4 @@
-import { ArrayNotEmpty, IsArray, IsDateString, IsIn, IsInt, IsISO8601, IsString, IsNumber, IsOptional, Matches, Min, ValidateNested } from 'class-validator';
+import { ArrayMaxSize, ArrayNotEmpty, IsArray, IsDateString, IsIn, IsInt, IsISO8601, IsString, IsNumber, IsOptional, Matches, Min, ValidateNested } from 'class-validator';
 import { PartialType } from '@nestjs/mapped-types';
 import { Type } from 'class-transformer';
 
@@ -117,6 +117,7 @@ export class BatchRoomExpenseDto {
 
   @IsArray()
   @ArrayNotEmpty()
+  @ArrayMaxSize(500)
   @ValidateNested({ each: true })
   @Type(() => BatchRoomExpenseItemDto)
   expenses: BatchRoomExpenseItemDto[];

apps/server/src/notifications/dto/notification.dto.spec.ts

@@ -32,4 +32,13 @@ describe('notification DTO boundaries', () => {
       expect(await validate(dto)).not.toEqual([]);
     }
   });
+
+  it('rejects more than 500 recipients', async () => {
+    const dto = plainToInstance(CreateNotificationDto, {
+      recipientIds: Array.from({ length: 501 }, (_, i) => i + 1),
+      type: 'test',
+      title: '标题',
+    });
+    await expect(validate(dto)).resolves.not.toEqual([]);
+  });
 });

apps/server/src/notifications/dto/notification.dto.ts

@@ -1,5 +1,6 @@
 import {
   ArrayNotEmpty,
+  ArrayMaxSize,
   IsString,
   IsNotEmpty,
   IsOptional,
@@ -13,6 +14,7 @@ import { Type } from 'class-transformer';
 export class CreateNotificationDto {
   @IsArray()
   @ArrayNotEmpty()
+  @ArrayMaxSize(500)
   @IsInt({ each: true })
   recipientIds: number[];
 

apps/server/src/notifications/notifications.controller.ts

@@ -3,6 +3,7 @@ import {
   Get,
   Put,
   Param,
+  ParseIntPipe,
   Query,
   Req,
   Sse,
@@ -74,7 +75,7 @@ export class NotificationsController {
 
   @Put(':id/read')
   async markRead(
-    @Param('id') id: string,
+    @Param('id', ParseIntPipe) id: number,
     @Req() req: AuthenticatedRequest,
   ) {
     await this.service.markRead(+id, req.user.id);

apps/server/src/operation-logs/operation-logs.service.ts

@@ -53,8 +53,8 @@ export class OperationLogsService {
     if (query?.endDate)
       qb.andWhere('log.createdAt <= :endDate', { endDate: query.endDate + ' 23:59:59' });
 
-    const page = query?.page || 1;
+    const page = Math.max(1, Math.floor(Number(query?.page) || 1));
-    const pageSize = query?.pageSize || 50;
+    const pageSize = Math.min(200, Math.max(1, Math.floor(Number(query?.pageSize) || 50)));
     const [data, total] = await qb
       .skip((page - 1) * pageSize)
       .take(pageSize)

apps/server/src/organizations/organizations.controller.ts

@@ -6,6 +6,7 @@ import {
   Delete,
   Body,
   Param,
+  ParseIntPipe,
   Query,
   UseGuards,
   Request,
@@ -42,7 +43,7 @@ export class OrganizationsController {
 
   @Get(':id')
   @RequirePermission('organization:view')
-  findOne(@Param('id') id: string) {
+  findOne(@Param('id', ParseIntPipe) id: number) {
     return this.service.findOne(+id);
   }
 
@@ -67,7 +68,7 @@ export class OrganizationsController {
 
   @Put(':id')
   @RequirePermission('organization:edit')
-  async update(@Param('id') id: string, @Body() dto: UpdateOrganizationDto, @Request() req: any) {
+  async update(@Param('id', ParseIntPipe) id: number, @Body() dto: UpdateOrganizationDto, @Request() req: any) {
     const { ipAddress, userAgent } = extractRequestInfo(req);
     const result = await this.service.update(+id, dto);
     await this.logService.log({
@@ -86,7 +87,7 @@ export class OrganizationsController {
 
   @Delete(':id')
   @RequirePermission('organization:delete')
-  async remove(@Param('id') id: string, @Request() req: any) {
+  async remove(@Param('id', ParseIntPipe) id: number, @Request() req: any) {
     const { ipAddress, userAgent } = extractRequestInfo(req);
     const result = await this.service.remove(+id);
     await this.logService.log({
@@ -104,7 +105,7 @@ export class OrganizationsController {
 
   @Delete(':id/permanent')
   @RequirePermission('organization:purge')
-  async purge(@Param('id') id: string, @Request() req: any) {
+  async purge(@Param('id', ParseIntPipe) id: number, @Request() req: any) {
     const { ipAddress, userAgent } = extractRequestInfo(req);
     const result = await this.service.purge(+id);
     await this.logService.log({

apps/server/src/rbac/rbac.controller.ts

@@ -10,6 +10,7 @@ import {
   UseGuards,
   Request,
   BadRequestException,
+  ParseIntPipe,
 } from '@nestjs/common';
 import { RbacService } from './rbac.service';
 import {
@@ -41,7 +42,7 @@ export class RbacController {
 
   @Get('roles/:id')
   @RequirePermission('role:view')
-  findRoleById(@Param('id') id: string) {
+  findRoleById(@Param('id', ParseIntPipe) id: number) {
     return this.rbacService.findRoleById(+id);
   }
 
@@ -57,7 +58,7 @@ export class RbacController {
 
   @Put('roles/:id')
   @RequirePermission('role:edit')
-  async updateRole(@Param('id') id: string, @Body() dto: UpdateRoleDto, @Request() req: any) {
+  async updateRole(@Param('id', ParseIntPipe) id: number, @Body() dto: UpdateRoleDto, @Request() req: any) {
     try {
       const result = await this.rbacService.updateRole(+id, dto);
       await logAudit(this.logService, req, {
@@ -71,7 +72,7 @@ export class RbacController {
 
   @Delete('roles/:id')
   @RequirePermission('role:delete')
-  async deleteRole(@Param('id') id: string, @Request() req: any) {
+  async deleteRole(@Param('id', ParseIntPipe) id: number, @Request() req: any) {
     try {
       const result = await this.rbacService.deleteRole(+id);
       await logAudit(this.logService, req, {
@@ -118,7 +119,7 @@ export class RbacController {
 
   @Put('users/:id')
   @RequirePermission('user:edit')
-  async updateUser(@Param('id') id: string, @Body() dto: UpdateUserDto, @Request() req: any) {
+  async updateUser(@Param('id', ParseIntPipe) id: number, @Body() dto: UpdateUserDto, @Request() req: any) {
     try {
       const result = await this.rbacService.updateUser(+id, dto);
       await logAudit(this.logService, req, {
@@ -132,7 +133,7 @@ export class RbacController {
 
   @Put('users/:id/password')
   @RequirePermission('user:reset-password')
-  async resetPassword(@Param('id') id: string, @Body() dto: ResetPasswordDto, @Request() req: any) {
+  async resetPassword(@Param('id', ParseIntPipe) id: number, @Body() dto: ResetPasswordDto, @Request() req: any) {
     try {
       const result = await this.rbacService.resetPassword(+id, dto.password);
       await logAudit(this.logService, req, {
@@ -146,7 +147,7 @@ export class RbacController {
 
   @Put('users/:id/archive')
   @RequirePermission('user:edit')
-  async archiveUser(@Param('id') id: string) {
+  async archiveUser(@Param('id', ParseIntPipe) id: number) {
     try {
       return await this.rbacService.archiveUser(+id);
     } catch (e: unknown) {
@@ -157,7 +158,7 @@ export class RbacController {
 
   @Put('users/:id/restore')
   @RequirePermission('user:edit')
-  async restoreUser(@Param('id') id: string) {
+  async restoreUser(@Param('id', ParseIntPipe) id: number) {
     try {
       return await this.rbacService.restoreUser(+id);
     } catch (e: unknown) {
@@ -168,7 +169,7 @@ export class RbacController {
 
   @Delete('users/:id/permanent')
   @RequirePermission('user:purge')
-  async purgeUser(@Param('id') id: string, @Request() req: any) {
+  async purgeUser(@Param('id', ParseIntPipe) id: number, @Request() req: any) {
     try {
       const result = await this.rbacService.purgeUser(+id, req.user?.id);
       await logAudit(this.logService, req, {
@@ -183,7 +184,7 @@ export class RbacController {
 
   @Put('users/:id/mark-staff')
   @RequirePermission('user:edit')
-  async markAsStaff(@Param('id') id: string) {
+  async markAsStaff(@Param('id', ParseIntPipe) id: number) {
     try {
       return await this.rbacService.markAsStaff(+id);
     } catch (e: unknown) {
@@ -194,7 +195,7 @@ export class RbacController {
 
   @Put('users/:id/mark-student')
   @RequirePermission('user:edit')
-  async markAsStudent(@Param('id') id: string) {
+  async markAsStudent(@Param('id', ParseIntPipe) id: number) {
     try {
       return await this.rbacService.markAsStudent(+id);
     } catch (e: unknown) {
@@ -205,14 +206,14 @@ export class RbacController {
 
   @Get('users/:id/profile')
   @RequirePermission('user:view')
-  getUserProfile(@Param('id') id: string) {
+  getUserProfile(@Param('id', ParseIntPipe) id: number) {
     return this.rbacService.getUserProfile(+id);
   }
 
   @Put('users/:id/profile')
   @RequirePermission('user:edit')
   async updateUserProfile(
-    @Param('id') id: string,
+    @Param('id', ParseIntPipe) id: number,
     @Body() dto: UpdateProfileDto,
     @Request() req: any,
   ) {
@@ -250,7 +251,7 @@ export class RbacController {
   @Put('teachers/:id/profile')
   @RequirePermission('teacher:edit')
   async updateTeacherProfile(
-    @Param('id') id: string,
+    @Param('id', ParseIntPipe) id: number,
     @Body() profile: UpdateProfileDto,
     @Request() req: { user?: { id: number; username: string } },
   ) {