diff --git a/packages/db/src/buffers/profile-buffer.ts b/packages/db/src/buffers/profile-buffer.ts
index de80bd42..d568bb23 100644
--- a/packages/db/src/buffers/profile-buffer.ts
+++ b/packages/db/src/buffers/profile-buffer.ts
@@ -1,11 +1,11 @@
 import { deepMergeObjects } from '@openpanel/common';
 import { getSafeJson } from '@openpanel/json';
 import type { ILogger } from '@openpanel/logger';
-import { type Redis, getRedisCache } from '@openpanel/redis';
+import { getRedisCache, type Redis } from '@openpanel/redis';
 import shallowEqual from 'fast-deep-equal';
 import { omit } from 'ramda';
 import sqlstring from 'sqlstring';
-import { TABLE_NAMES, ch, chQuery } from '../clickhouse/client';
+import { ch, chQuery, TABLE_NAMES } from '../clickhouse/client';
 import type { IClickhouseProfile } from '../services/profile.service';
 import { BaseBuffer } from './base-buffer';
 
@@ -89,7 +89,7 @@ export class ProfileBuffer extends BaseBuffer {
             'os_version',
             'browser_version',
           ],
-          profile.properties,
+          profile.properties
         );
       }
 
@@ -97,16 +97,16 @@ export class ProfileBuffer extends BaseBuffer {
         ? deepMergeObjects(existingProfile, omit(['created_at'], profile))
         : profile;
 
-      if (profile && existingProfile) {
-        if (
-          shallowEqual(
-            omit(['created_at'], existingProfile),
-            omit(['created_at'], mergedProfile),
-          )
-        ) {
-          this.logger.debug('Profile not changed, skipping');
-          return;
-        }
+      if (
+        profile &&
+        existingProfile &&
+        shallowEqual(
+          omit(['created_at'], existingProfile),
+          omit(['created_at'], mergedProfile)
+        )
+      ) {
+        this.logger.debug('Profile not changed, skipping');
+        return;
       }
 
       this.logger.debug('Merged profile will be inserted', {
@@ -151,11 +151,11 @@ export class ProfileBuffer extends BaseBuffer {
 
   private async fetchProfile(
     profile: IClickhouseProfile,
-    logger: ILogger,
+    logger: ILogger
   ): Promise<IClickhouseProfile | null> {
     const existingProfile = await this.fetchFromCache(
       profile.id,
-      profile.project_id,
+      profile.project_id
     );
     if (existingProfile) {
       logger.debug('Profile found in Redis');
@@ -167,7 +167,7 @@ export class ProfileBuffer extends BaseBuffer {
 
   public async fetchFromCache(
     profileId: string,
-    projectId: string,
+    projectId: string
   ): Promise<IClickhouseProfile | null> {
     const cacheKey = this.getProfileCacheKey({
       profileId,
@@ -182,7 +182,7 @@ export class ProfileBuffer extends BaseBuffer {
 
   private async fetchFromClickhouse(
     profile: IClickhouseProfile,
-    logger: ILogger,
+    logger: ILogger
   ): Promise<IClickhouseProfile | null> {
     logger.debug('Fetching profile from Clickhouse');
     const result = await chQuery<IClickhouseProfile>(
@@ -207,7 +207,7 @@ export class ProfileBuffer extends BaseBuffer {
         }
       GROUP BY id, project_id 
       ORDER BY created_at DESC 
-      LIMIT 1`,
+      LIMIT 1`
     );
     logger.debug('Clickhouse fetch result', {
       found: !!result[0],
@@ -221,7 +221,7 @@ export class ProfileBuffer extends BaseBuffer {
       const profiles = await this.redis.lrange(
         this.redisKey,
         0,
-        this.batchSize - 1,
+        this.batchSize - 1
       );
 
       if (profiles.length === 0) {
@@ -231,7 +231,7 @@ export class ProfileBuffer extends BaseBuffer {
 
       this.logger.debug(`Processing ${profiles.length} profiles in buffer`);
       const parsedProfiles = profiles.map((p) =>
-        getSafeJson<IClickhouseProfile>(p),
+        getSafeJson<IClickhouseProfile>(p)
       );
 
       for (const chunk of this.chunks(parsedProfiles, this.chunkSize)) {