diff --git a/src/app.module.ts b/src/app.module.ts
index a6673bb..f77dc54 100644
--- a/src/app.module.ts
+++ b/src/app.module.ts
@@ -45,7 +45,7 @@ import { MulterModule } from '@nestjs/platform-express';
           password: configService.get<string>('database.password'),
           database: configService.get<string>('database.name'),
           entities: [],
-          synchronize: true,
+          synchronize: false,
           autoLoadEntities: true,
           logging: true,
           namingStrategy: new SnakeNamingStrategy(),
diff --git a/src/transaction/entities/coa.entity.ts b/src/transaction/entities/coa.entity.ts
index f05daa0..40547eb 100644
--- a/src/transaction/entities/coa.entity.ts
+++ b/src/transaction/entities/coa.entity.ts
@@ -13,7 +13,11 @@ export class COA extends BaseModel {
   @Column('text')
   balanceType: balanceType;
 
-  @Column()
+  @Column({
+    type: 'numeric',
+    precision: 20,
+    scale: 2,
+  })
   amount: number;
 
   @Column({