diff --git a/src/modules/configuration/couch/constants.ts b/src/modules/configuration/couch/constants.ts
index 81278e6..c3045f2 100644
--- a/src/modules/configuration/couch/constants.ts
+++ b/src/modules/configuration/couch/constants.ts
@@ -1,3 +1 @@
-export const DatabaseListen = [
-    'transaction'
-]
\ No newline at end of file
+export const DatabaseListen = ['transaction'];
diff --git a/src/modules/configuration/couch/couch.module.ts b/src/modules/configuration/couch/couch.module.ts
index c0e0232..15b582c 100644
--- a/src/modules/configuration/couch/couch.module.ts
+++ b/src/modules/configuration/couch/couch.module.ts
@@ -8,7 +8,7 @@ import { CqrsModule } from '@nestjs/cqrs';
   imports: [
     ConfigModule.forRoot(),
     //   TypeOrmModule.forFeature([UserPrivilegeModel], CONNECTION_NAME.DEFAULT),
-      CqrsModule,
+    CqrsModule,
   ],
   controllers: [CouchDataController],
   providers: [CouchService],
diff --git a/src/modules/configuration/couch/data/services/couch.service.ts b/src/modules/configuration/couch/data/services/couch.service.ts
index 1af2890..391506c 100644
--- a/src/modules/configuration/couch/data/services/couch.service.ts
+++ b/src/modules/configuration/couch/data/services/couch.service.ts
@@ -1,35 +1,31 @@
-import { Injectable } from "@nestjs/common";
-import { DatabaseListen } from "../../constants";
-import { EventBus } from "@nestjs/cqrs";
-import { ChangeDocEvent } from "../../domain/events/change-doc.event";
+import { Injectable } from '@nestjs/common';
+import { DatabaseListen } from '../../constants';
+import { EventBus } from '@nestjs/cqrs';
+import { ChangeDocEvent } from '../../domain/events/change-doc.event';
 
 @Injectable()
 export class CouchService {
+  constructor(private eventBus: EventBus) {}
 
-    constructor(
-        private eventBus: EventBus,
-    ) {}
+  async onModuleInit() {
+    const nano = require('nano')('http://root:password@172.10.10.2:5970');
+    for (const database of DatabaseListen) {
+      const db = nano.db.use(database);
+      db.changesReader.start({ includeDocs: true }).on('change', (change) => {
+        this.changeDoc(change, database);
+      });
 
-    async onModuleInit() {
-        const nano = require('nano')('http://root:password@172.10.10.2:5970');
-        for (const database of DatabaseListen) {
-            const db = nano.db.use(database)
-            db.changesReader.start({ includeDocs: true })
-                .on('change', (change) => { 
-                    this.changeDoc(change, database);
-                })
-
-            console.log(`start listen database ${database}`)
-        }
+      console.log(`start listen database ${database}`);
     }
+  }
 
-    private changeDoc(data, database) {
-        this.eventBus.publish(
-            new ChangeDocEvent({
-                id: data.id,
-                database: database,
-                data: data.doc,
-            })
-        )
-    }
-}
\ No newline at end of file
+  private changeDoc(data, database) {
+    this.eventBus.publish(
+      new ChangeDocEvent({
+        id: data.id,
+        database: database,
+        data: data.doc,
+      }),
+    );
+  }
+}
diff --git a/src/modules/configuration/couch/domain/events/change-doc.event.ts b/src/modules/configuration/couch/domain/events/change-doc.event.ts
index 25b6394..9807450 100644
--- a/src/modules/configuration/couch/domain/events/change-doc.event.ts
+++ b/src/modules/configuration/couch/domain/events/change-doc.event.ts
@@ -1,9 +1,9 @@
 export class ChangeDocEvent {
-    constructor(public readonly data: IEventDoc) {}
+  constructor(public readonly data: IEventDoc) {}
 }
 
 export interface IEventDoc {
-    id: string,
-    database: string,
-    data: any,
-}
\ No newline at end of file
+  id: string;
+  database: string;
+  data: any;
+}