diff --git a/src/entity/products.ts b/src/entity/products.ts
index 61a76df..a6a2d0e 100644
--- a/src/entity/products.ts
+++ b/src/entity/products.ts
@@ -1,54 +1,54 @@
-import { Entity, PrimaryGeneratedColumn, Column, CreateDateColumn, UpdateDateColumn, DeleteDateColumn, Index, JoinColumn, ManyToOne } from 'typeorm';
+import { Entity, PrimaryGeneratedColumn, Column, CreateDateColumn, UpdateDateColumn, DeleteDateColumn, Index, JoinColumn, ManyToOne } from "typeorm";
 
-import { Status } from '../types/status';
-import { CategorySource } from '../types/category_source';
+import { Status } from "../types/status";
+import { CategorySource } from "../types/category_source";
 
-@Entity('products')
+@Entity("products")
 export class Product {
-    @PrimaryGeneratedColumn('uuid')
-    id: string;
+	@PrimaryGeneratedColumn("uuid")
+	id: string;
 
-    @Column({
-        type: 'enum',
-        enum: CategorySource,
-        nullable: false
-    })
-    source: CategorySource;
+	@Column({
+		type: "enum",
+		enum: CategorySource,
+		nullable: false,
+	})
+	source: CategorySource;
 
-    @Column({
-        nullable: false,
-        unique: false,
-        length: 6
-    })
-    code: string;
+	@Column({
+		nullable: false,
+		unique: false,
+		length: 6,
+	})
+	code: string;
 
-    @Column({
-        nullable: true,
-        length: 256
-    })
-    name: string;
+	@Column({
+		nullable: true,
+		length: 256,
+	})
+	name: string;
 
-    @Column({
-        nullable: true,
-        length: 4096
-    })
-    description: string;
+	@Column({
+		nullable: true,
+		length: 4096,
+	})
+	description: string;
 
-    @Column({
-        nullable: false,
-        length: 64
-    })
-    status: Status;
+	@Column({
+		nullable: false,
+		length: 64,
+	})
+	status: Status;
 
-    @Column()
-    @CreateDateColumn()
-    created_at: Date;
+	@Column()
+	@CreateDateColumn()
+	created_at: Date;
 
-    @Column({ nullable: true })
-    @UpdateDateColumn()
-    updated_at: Date;
+	@Column({ nullable: true })
+	@UpdateDateColumn()
+	updated_at: Date;
 
-    @Column({ nullable: true })
-    @DeleteDateColumn()
-    deleted_at: Date;
-}
\ No newline at end of file
+	@Column({ nullable: true })
+	@DeleteDateColumn()
+	deleted_at: Date;
+}
diff --git a/src/entity/trx_maintenances.ts b/src/entity/trx_maintenances.ts
index af7bfbc..4c7c551 100644
--- a/src/entity/trx_maintenances.ts
+++ b/src/entity/trx_maintenances.ts
@@ -59,6 +59,9 @@ export class TrxMaintenance {
 	@Column({ nullable: true })
 	request_at: Date;
 
+	@Column({ nullable: true })
+	start_at: Date;
+
 	@Column()
 	@CreateDateColumn()
 	created_at: Date;