diff --git a/src/app.module.ts b/src/app.module.ts
index 93b7423..5e6ab5d 100644
--- a/src/app.module.ts
+++ b/src/app.module.ts
@@ -31,6 +31,7 @@ import { VehicleUsageService } from './modules/vehicle-usage/vehicle-usage.servi
 import { MaterialsInventoryModule } from './modules/materials_inventory/materials_inventory.module';
 import { CompanyModule } from './modules/company/company.module';
 import { ProductModule } from './modules/product/product.module';
+import { ProjectModule } from './modules/project/project.module';
 
 @Module({
   imports: [
@@ -58,16 +59,23 @@ import { ProductModule } from './modules/product/product.module';
     // end biz
 
     TodoModule,
-
+    // 合同模块
     ContractModule,
 
+    // 车辆管理
     VehicleUsageModule,
 
+    // 原材料库存
     MaterialsInventoryModule,
 
+    // 公司管理
     CompanyModule,
 
-    ProductModule
+    // 产品管理
+    ProductModule,
+
+    // 项目管理
+    ProjectModule
   ],
   providers: [
     { provide: APP_FILTER, useClass: AllExceptionsFilter },
diff --git a/src/modules/materials_inventory/in_out/materials_in_out.dto.ts b/src/modules/materials_inventory/in_out/materials_in_out.dto.ts
index 8ca15c1..ec41f22 100644
--- a/src/modules/materials_inventory/in_out/materials_in_out.dto.ts
+++ b/src/modules/materials_inventory/in_out/materials_in_out.dto.ts
@@ -22,7 +22,12 @@ import { Storage } from '~/modules/tools/storage/storage.entity';
 import { formatToDate } from '~/utils';
 
 export class MaterialsInOutDto {
-  @ApiProperty({ description: '产品' })
+  @IsOptional()
+  @IsNumber()
+  @ApiProperty({ description: '项目Id' })
+  projectId?: number;
+
+  @ApiProperty({ description: '产品Id' })
   @ValidateIf(o => !o.inventoryNumber)
   @IsNumber()
   productId: number;
@@ -71,11 +76,6 @@ export class MaterialsInOutDto {
   @IsString()
   @ApiProperty({ description: '备注' })
   remark: string;
-
-  @IsOptional()
-  @IsString()
-  @ApiProperty({ description: '项目' })
-  project: string;
 }
 
 export class MaterialsInOutUpdateDto extends PartialType(MaterialsInOutDto) {
@@ -122,7 +122,6 @@ export class MaterialsInOutQueryDto extends PagerDto<MaterialsInOutQueryDto> {
   @IsOptional()
   @IsString()
   inventoryNumber?: string;
-  
 
   @IsOptional()
   @IsString()
diff --git a/src/modules/materials_inventory/in_out/materials_in_out.entity.ts b/src/modules/materials_inventory/in_out/materials_in_out.entity.ts
index 5197eb1..833684f 100644
--- a/src/modules/materials_inventory/in_out/materials_in_out.entity.ts
+++ b/src/modules/materials_inventory/in_out/materials_in_out.entity.ts
@@ -16,6 +16,7 @@ import {
 import { CommonEntity } from '~/common/entity/common.entity';
 import { MaterialsInOrOutEnum, ParamConfigEnum } from '~/constants/enum';
 import { ProductEntity } from '~/modules/product/product.entity';
+import { ProjectEntity } from '~/modules/project/project.entity';
 import { ParamConfigEntity } from '~/modules/system/param-config/param-config.entity';
 import { Storage } from '~/modules/tools/storage/storage.entity';
 @Entity({ name: 'materials_in_out' })
@@ -103,14 +104,18 @@ export class MaterialsInOutEntity extends CommonEntity {
   @ApiProperty({ description: '备注' })
   remark: string;
 
-  @Column({ name: 'project', type: 'varchar', length: 255, comment: '项目', nullable: false })
-  @ApiProperty({ description: '项目' })
-  project: string;
+  @Column({ name: 'project_id', type: 'int', comment: '项目', nullable: true })
+  @ApiProperty({ description: '项目Id' })
+  projectId: number;
 
   @Column({ name: 'is_delete', type: 'tinyint', default: 0, comment: '是否删除' })
   @ApiProperty({ description: '删除状态：0未删除，1已删除' })
   isDelete: number;
 
+  @ManyToOne(() => ProjectEntity)
+  @JoinColumn({ name: 'project_id' })
+  project: ProjectEntity;
+
   @ManyToOne(() => ProductEntity)
   @JoinColumn({ name: 'product_id' })
   product: ProductEntity;
diff --git a/src/modules/materials_inventory/in_out/materials_in_out.service.ts b/src/modules/materials_inventory/in_out/materials_in_out.service.ts
index 3c8b0c1..7c685aa 100644
--- a/src/modules/materials_inventory/in_out/materials_in_out.service.ts
+++ b/src/modules/materials_inventory/in_out/materials_in_out.service.ts
@@ -35,22 +35,28 @@ export class MaterialsInOutService {
     page,
     pageSize,
     product: productName,
+    project: projectName,
     isCreateOut,
     ...ext
   }: MaterialsInOutQueryDto): Promise<Pagination<MaterialsInOutEntity>> {
     const sqb = this.materialsInOutRepository
       .createQueryBuilder('materialsInOut')
       .leftJoin('materialsInOut.files', 'files')
+      .leftJoin('materialsInOut.project', 'project')
       .leftJoin('materialsInOut.product', 'product')
       .leftJoin('product.unit', 'unit')
       .leftJoin('product.company', 'company')
-      .addSelect(['files.path', 'product.name', 'unit.label', 'company.name'])
+      .addSelect(['files.path', 'project.name', 'product.name', 'unit.label', 'company.name'])
       .where(fieldSearch(ext))
       .andWhere('materialsInOut.isDelete = 0')
       .addOrderBy('materialsInOut.createdAt', 'DESC');
     if (productName) {
       sqb.andWhere('product.name like :productName', { productName: `%${productName}%` });
     }
+    if (projectName) {
+      sqb.andWhere('project.name like :projectName', { projectName: `%${projectName}%` });
+    }
+
     if (isCreateOut) {
       sqb.andWhere('materialsInOut.inOrOut = 0');
     }
diff --git a/src/modules/project/project.controller.ts b/src/modules/project/project.controller.ts
new file mode 100644
index 0000000..605090b
--- /dev/null
+++ b/src/modules/project/project.controller.ts
@@ -0,0 +1,79 @@
+import {
+  Body,
+  Controller,
+  Get,
+  Query,
+  Put,
+  Delete,
+  Post,
+  BadRequestException
+} from '@nestjs/common';
+import { ApiOperation, ApiTags } from '@nestjs/swagger';
+import { Perm, definePermission } from '../auth/decorators/permission.decorator';
+import { ApiSecurityAuth } from '~/common/decorators/swagger.decorator';
+import { ProjectService } from './project.service';
+import { ApiResult } from '~/common/decorators/api-result.decorator';
+import { ProjectEntity } from './project.entity';
+import { ProjectDto, ProjectQueryDto, ProjectUpdateDto } from './project.dto';
+import { IdParam } from '~/common/decorators/id-param.decorator';
+export const permissions = definePermission('app:project', {
+  LIST: 'list',
+  CREATE: 'create',
+  READ: 'read',
+  UPDATE: 'update',
+  DELETE: 'delete'
+} as const);
+
+@ApiTags('Project - 项目')
+@ApiSecurityAuth()
+@Controller('project')
+export class ProjectController {
+  constructor(private projectService: ProjectService) {}
+
+  @Get()
+  @ApiOperation({ summary: '分页获取项目列表' })
+  @ApiResult({ type: [ProjectEntity], isPage: true })
+  @Perm(permissions.LIST)
+  async list(@Query() dto: ProjectQueryDto) {
+    return this.projectService.findAll(dto);
+  }
+
+  @Get(':id')
+  @ApiOperation({ summary: '获取项目信息' })
+  @ApiResult({ type: ProjectDto })
+  @Perm(permissions.READ)
+  async info(@IdParam() id: number) {
+    return this.projectService.info(id);
+  }
+
+  @Post()
+  @ApiOperation({ summary: '新增项目' })
+  @Perm(permissions.CREATE)
+  async create(@Body() dto: ProjectDto): Promise<void> {
+    await this.projectService.create(dto);
+  }
+
+  @Put(':id')
+  @ApiOperation({ summary: '更新项目' })
+  @Perm(permissions.UPDATE)
+  async update(@IdParam() id: number, @Body() dto: ProjectUpdateDto): Promise<void> {
+    await this.projectService.update(id, dto);
+  }
+
+  @Delete(':id')
+  @ApiOperation({ summary: '删除项目' })
+  @Perm(permissions.DELETE)
+  async delete(@IdParam() id: number): Promise<void> {
+    await this.projectService.delete(id);
+  }
+
+  @Put('unlink-attachments/:id')
+  @ApiOperation({ summary: '附件解除关联' })
+  @Perm(permissions.UPDATE)
+  async unlinkAttachments(
+    @IdParam() id: number,
+    @Body() { fileIds }: ProjectUpdateDto
+  ): Promise<void> {
+    await this.projectService.unlinkAttachments(id, fileIds);
+  }
+}
diff --git a/src/modules/project/project.dto.ts b/src/modules/project/project.dto.ts
new file mode 100644
index 0000000..6c96b6e
--- /dev/null
+++ b/src/modules/project/project.dto.ts
@@ -0,0 +1,40 @@
+import { ApiProperty, IntersectionType, PartialType } from '@nestjs/swagger';
+import { IsArray, IsOptional, IsString } from 'class-validator';
+import { PagerDto } from '~/common/dto/pager.dto';
+import { Storage } from '../tools/storage/storage.entity';
+import { IsUnique } from '~/shared/database/constraints/unique.constraint';
+import { ProjectEntity } from './project.entity';
+
+export class ProjectDto {
+  @ApiProperty({ description: '项目名称' })
+  @IsUnique(ProjectEntity, { message: '已存在同名项目' })
+  @IsString()
+  name: string;
+
+  @ApiProperty({ description: '附件' })
+  files: Storage[];
+}
+
+export class ProjectUpdateDto extends PartialType(ProjectDto) {
+  @ApiProperty({ description: '附件' })
+  @IsOptional()
+  @IsArray()
+  fileIds: number[];
+}
+
+export class ComapnyCreateDto extends PartialType(ProjectDto) {
+  @ApiProperty({ description: '附件' })
+  @IsOptional()
+  @IsArray()
+  fileIds: number[];
+}
+
+export class ProjectQueryDto extends IntersectionType(
+  PagerDto<ProjectDto>,
+  PartialType(ProjectDto)
+) {
+  @ApiProperty({ description: '项目名称' })
+  @IsOptional()
+  @IsString()
+  name: string;
+}
diff --git a/src/modules/project/project.entity.ts b/src/modules/project/project.entity.ts
new file mode 100644
index 0000000..a80b296
--- /dev/null
+++ b/src/modules/project/project.entity.ts
@@ -0,0 +1,38 @@
+import { ApiHideProperty, ApiProperty } from '@nestjs/swagger';
+import { Column, Entity, JoinTable, ManyToMany, OneToMany, Relation } from 'typeorm';
+import { CommonEntity } from '~/common/entity/common.entity';
+import { Storage } from '../tools/storage/storage.entity';
+import { ProductEntity } from '../product/product.entity';
+import { MaterialsInOutEntity } from '../materials_inventory/in_out/materials_in_out.entity';
+
+/**
+ * 项目实体类
+ */
+@Entity({ name: 'project' })
+export class ProjectEntity extends CommonEntity {
+  @Column({
+    name: 'name',
+    type: 'varchar',
+    unique: true,
+    length: 255,
+    comment: '项目名称'
+  })
+  @ApiProperty({ description: '项目名称' })
+  name: string;
+
+  @Column({ name: 'is_delete', type: 'tinyint', default: 0, comment: '是否删除' })
+  @ApiProperty({ description: '删除状态：0未删除，1已删除' })
+  isDelete: number;
+
+  @ApiHideProperty()
+  @OneToMany(() => MaterialsInOutEntity, product => product.project)
+  materialsInOuts: Relation<MaterialsInOutEntity[]>;
+
+  @ManyToMany(() => Storage, storage => storage.projects)
+  @JoinTable({
+    name: 'project_storage',
+    joinColumn: { name: 'project_id', referencedColumnName: 'id' },
+    inverseJoinColumn: { name: 'file_id', referencedColumnName: 'id' }
+  })
+  files: Relation<Storage[]>;
+}
diff --git a/src/modules/project/project.module.ts b/src/modules/project/project.module.ts
new file mode 100644
index 0000000..170c6eb
--- /dev/null
+++ b/src/modules/project/project.module.ts
@@ -0,0 +1,14 @@
+import { Module } from '@nestjs/common';
+import { ProjectController } from './project.controller';
+import { ProjectService } from './project.service';
+import { ProjectEntity } from './project.entity';
+import { TypeOrmModule } from '@nestjs/typeorm';
+import { StorageModule } from '../tools/storage/storage.module';
+import { DatabaseModule } from '~/shared/database/database.module';
+
+@Module({
+  imports: [TypeOrmModule.forFeature([ProjectEntity]), StorageModule, DatabaseModule],
+  controllers: [ProjectController],
+  providers: [ProjectService]
+})
+export class ProjectModule {}
diff --git a/src/modules/project/project.service.ts b/src/modules/project/project.service.ts
new file mode 100644
index 0000000..627299c
--- /dev/null
+++ b/src/modules/project/project.service.ts
@@ -0,0 +1,127 @@
+import { Injectable } from '@nestjs/common';
+import { InjectEntityManager, InjectRepository } from '@nestjs/typeorm';
+import { ProjectEntity } from './project.entity';
+import { EntityManager, Like, Repository } from 'typeorm';
+import { ProjectDto, ProjectQueryDto, ProjectUpdateDto } from './project.dto';
+import { Pagination } from '~/helper/paginate/pagination';
+import { paginate } from '~/helper/paginate';
+import { Storage } from '../tools/storage/storage.entity';
+import { BusinessException } from '~/common/exceptions/biz.exception';
+import { ErrorEnum } from '~/constants/error-code.constant';
+import { fieldSearch } from '~/shared/database/field-search';
+
+@Injectable()
+export class ProjectService {
+  constructor(
+    @InjectEntityManager() private entityManager: EntityManager,
+    @InjectRepository(ProjectEntity)
+    private projectRepository: Repository<ProjectEntity>,
+    @InjectRepository(Storage)
+    private storageRepository: Repository<Storage>
+  ) {}
+
+  /**
+   * 分页查询所有
+   */
+  async findAll({
+    page,
+    pageSize,
+    ...fields
+  }: ProjectQueryDto): Promise<Pagination<ProjectEntity>> {
+    const queryBuilder = this.projectRepository
+      .createQueryBuilder('project')
+      .leftJoin('project.files', 'files')
+      .addSelect(['files.id', 'files.path'])
+      .where(fieldSearch(fields))
+      .andWhere('project.isDelete = 0');
+
+    return paginate<ProjectEntity>(queryBuilder, {
+      page,
+      pageSize
+    });
+  }
+
+  /**
+   * 新增
+   */
+  async create(dto: ProjectDto): Promise<void> {
+    await this.projectRepository.insert(dto);
+  }
+
+  /**
+   * 更新
+   */
+  async update(id: number, { fileIds, ...data }: Partial<ProjectUpdateDto>): Promise<void> {
+    await this.entityManager.transaction(async manager => {
+      await manager.update(ProjectEntity, id, {
+        ...data
+      });
+      const project = await this.projectRepository
+        .createQueryBuilder('project')
+        .leftJoinAndSelect('project.files', 'files')
+        .where('project.id = :id', { id })
+        .getOne();
+      if (fileIds?.length) {
+        const count = await this.storageRepository
+          .createQueryBuilder('storage')
+          .where('storage.id in(:fileIds)', { fileIds })
+          .getCount();
+        if (count !== fileIds?.length) {
+          throw new BusinessException(ErrorEnum.STORAGE_NOT_FOUND);
+        }
+        // 附件要批量更新
+        await manager
+          .createQueryBuilder()
+          .relation(ProjectEntity, 'files')
+          .of(id)
+          .addAndRemove(fileIds, project.files);
+      }
+    });
+  }
+
+  /**
+   * 删除
+   */
+  async delete(id: number): Promise<void> {
+    // 比较重要，做逻辑删除
+    await this.projectRepository.update(id, { isDelete: 1 });
+  }
+
+  /**
+   * 获取单个信息
+   */
+  async info(id: number) {
+    const info = await this.projectRepository
+      .createQueryBuilder('project')
+      .where({
+        id
+      })
+      .andWhere('project.isDelete = 0')
+      .getOne();
+    return info;
+  }
+
+  /**
+   * 解除附件关联
+   * @param id 实体ID
+   * @param fileIds 附件ID
+   */
+  async unlinkAttachments(id: number, fileIds: number[]) {
+    await this.entityManager.transaction(async manager => {
+      const project = await this.projectRepository
+        .createQueryBuilder('project')
+        .leftJoinAndSelect('project.files', 'files')
+        .where('project.id = :id', { id })
+        .getOne();
+      const linkedFiles = project.files
+        .map(item => item.id)
+        .filter(item => !fileIds.includes(item));
+      // 附件要批量更新
+      await manager
+        .createQueryBuilder()
+        .relation(ProjectEntity, 'files')
+        .of(id)
+        .addAndRemove(linkedFiles, project.files);
+    });
+  }
+}
diff --git a/src/modules/tools/storage/storage.entity.ts b/src/modules/tools/storage/storage.entity.ts
index c1a59b7..ae0034a 100644
--- a/src/modules/tools/storage/storage.entity.ts
+++ b/src/modules/tools/storage/storage.entity.ts
@@ -7,6 +7,7 @@ import { ContractEntity } from '~/modules/contract/contract.entity';
 import { MaterialsInOutEntity } from '~/modules/materials_inventory/in_out/materials_in_out.entity';
 import { MaterialsInventoryEntity } from '~/modules/materials_inventory/materials_inventory.entity';
 import { ProductEntity } from '~/modules/product/product.entity';
+import { ProjectEntity } from '~/modules/project/project.entity';
 
 @Entity({ name: 'tool_storage' })
 export class Storage extends CommonEntity {
@@ -58,4 +59,8 @@ export class Storage extends CommonEntity {
   @ApiHideProperty()
   @ManyToMany(() => ProductEntity, product => product.files)
   products: Relation<ProductEntity[]>;
+
+  @ApiHideProperty()
+  @ManyToMany(() => ProjectEntity, project => project.files)
+  projects: Relation<ProjectEntity[]>;
 }