diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 00000000..11ffa2bd
Binary files /dev/null and b/.DS_Store differ
diff --git a/.gitignore b/.gitignore
index 7465bfe4..71249da3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -33,3 +33,5 @@ lerna-debug.log*
 !/instances/.gitkeep
 /test/
 /src/env.yml
+
+/temp
diff --git a/src/config/env.config.ts b/src/config/env.config.ts
index 4ad28089..c54d6012 100644
--- a/src/config/env.config.ts
+++ b/src/config/env.config.ts
@@ -2,6 +2,7 @@ import { readFileSync } from 'fs';
 import { load } from 'js-yaml';
 import { join } from 'path';
 import { SRC_DIR } from './path.config';
+import { isBooleanString } from 'class-validator';
 
 export type HttpServer = { TYPE: 'http' | 'https'; PORT: number };
 
@@ -135,7 +136,7 @@ export class ConfigService {
     this.env.PRODUCTION = process.env?.NODE_ENV === 'PROD';
     if (process.env?.DOCKER_ENV === 'true') {
       this.env.SERVER.TYPE = 'http';
-      this.env.SERVER.PORT = Number.parseInt(process.env?.SERVER_PORT ?? '8080');
+      this.env.SERVER.PORT = 8080;
     }
   }
 
@@ -190,10 +191,9 @@ export class ConfigService {
         LEVEL: process.env?.LOG_LEVEL.split(',') as LogLevel[],
         COLOR: process.env?.LOG_COLOR === 'true',
       },
-      DEL_INSTANCE:
-        typeof process.env?.DEL_INSTANCE === 'boolean'
-          ? process.env.DEL_INSTANCE === 'true'
-          : Number.parseInt(process.env.DEL_INSTANCE),
+      DEL_INSTANCE: isBooleanString(process.env?.DEL_INSTANCE)
+        ? process.env.DEL_INSTANCE === 'true'
+        : Number.parseInt(process.env.DEL_INSTANCE),
       WEBHOOK: {
         GLOBAL: {
           URL: process.env?.WEBHOOK_GLOBAL_URL,
diff --git a/src/db/db.connect.ts b/src/db/db.connect.ts
index fd4149f5..ed51f377 100644
--- a/src/db/db.connect.ts
+++ b/src/db/db.connect.ts
@@ -4,7 +4,7 @@ import { Logger } from '../config/logger.config';
 
 const logger = new Logger('Db Connection');
 
-export const db = configService.get<Database>('DATABASE');
+const db = configService.get<Database>('DATABASE');
 export const dbserver = db.ENABLED
   ? mongoose.createConnection(db.CONNECTION.URI, {
       dbName: db.CONNECTION.DB_PREFIX_NAME + '-whatsapp-api',
diff --git a/src/db/redis.client.ts b/src/db/redis.client.ts
index a73953a1..892ee825 100644
--- a/src/db/redis.client.ts
+++ b/src/db/redis.client.ts
@@ -25,6 +25,13 @@ export class RedisCache {
     }
   }
 
+  public async keyExists(key?: string) {
+    if (key) {
+      return !!(await this.instanceKeys()).find((i) => i === key);
+    }
+    return !!(await this.instanceKeys()).find((i) => i === this.instanceName);
+  }
+
   public async writeData(field: string, data: any) {
     try {
       const json = JSON.stringify(data, BufferJSON.replacer);
diff --git a/src/whatsapp/controllers/instance.controller.ts b/src/whatsapp/controllers/instance.controller.ts
index b9d9bfe3..b2d5ed2c 100644
--- a/src/whatsapp/controllers/instance.controller.ts
+++ b/src/whatsapp/controllers/instance.controller.ts
@@ -118,7 +118,7 @@ export class InstanceController {
   public async connectToWhatsapp({ instanceName }: InstanceDto) {
     try {
       const instance = this.waMonitor.waInstances[instanceName];
-      const state = instance?.connectionStatus?.state ?? null;
+      const state = instance?.connectionStatus?.state;
 
       switch (state) {
         case 'close':
@@ -131,7 +131,7 @@ export class InstanceController {
           return await this.connectionState({ instanceName });
       }
     } catch (error) {
-      this.logger.log(error);
+      this.logger.error(error);
     }
   }
 
diff --git a/src/whatsapp/guards/instance.guard.ts b/src/whatsapp/guards/instance.guard.ts
index db48e9d4..b9a1dfce 100644
--- a/src/whatsapp/guards/instance.guard.ts
+++ b/src/whatsapp/guards/instance.guard.ts
@@ -2,7 +2,7 @@ import { NextFunction, Request, Response } from 'express';
 import { existsSync } from 'fs';
 import { join } from 'path';
 import { INSTANCE_DIR } from '../../config/path.config';
-import { db, dbserver } from '../../db/db.connect';
+import { dbserver } from '../../db/db.connect';
 import {
   BadRequestException,
   ForbiddenException,
@@ -10,9 +10,20 @@ import {
 } from '../../exceptions';
 import { InstanceDto } from '../dto/instance.dto';
 import { waMonitor } from '../whatsapp.module';
+import { Database, Redis, configService } from '../../config/env.config';
+import { RedisCache } from '../../db/redis.client';
 
 async function getInstance(instanceName: string) {
-  const exists = waMonitor.waInstances[instanceName];
+  const db = configService.get<Database>('DATABASE');
+  const redisConf = configService.get<Redis>('REDIS');
+
+  const exists = !!waMonitor.waInstances[instanceName];
+
+  if (redisConf.ENABLED) {
+    const cache = new RedisCache(redisConf, instanceName);
+    const keyExists = await cache.keyExists();
+    return exists || keyExists;
+  }
 
   if (db.ENABLED) {
     const collection = dbserver
diff --git a/src/whatsapp/services/whatsapp.service.ts b/src/whatsapp/services/whatsapp.service.ts
index 4c900a43..1d3d2881 100644
--- a/src/whatsapp/services/whatsapp.service.ts
+++ b/src/whatsapp/services/whatsapp.service.ts
@@ -1146,8 +1146,8 @@ export class WAStartupService {
     let outputAudio: string;
 
     if (isURL(audio)) {
-      outputAudio = `${join(process.cwd(), 'temp', 'audio.opus')}`;
-      tempAudioPath = `${join(process.cwd(), 'temp', 'audio.mp3')}`;
+      outputAudio = `${join(process.cwd(), 'temp', 'audio.mp4')}`;
+      tempAudioPath = `${join(process.cwd(), 'temp', 'audioTemp.mp3')}`;
 
       const response = await axios.get(audio, { responseType: 'arraybuffer' });
       fs.writeFileSync(tempAudioPath, response.data);
@@ -1161,7 +1161,8 @@ export class WAStartupService {
 
     return new Promise((resolve, reject) => {
       exec(
-        `${ffmpegPath.path} -i ${tempAudioPath} -c:a libopus ${outputAudio} -y`,
+        // `${ffmpegPath.path} -i ${tempAudioPath} -c:a libopus ${outputAudio} -y`,
+        `${ffmpegPath.path} -i ${tempAudioPath} -vn -ab 128k -ar 44100 -f ipod ${outputAudio} -y`,
         (error, _stdout, _stderr) => {
           fs.unlinkSync(tempAudioPath);
           if (error) reject(error);
@@ -1179,11 +1180,9 @@ export class WAStartupService {
         data.number,
         {
           audio: Buffer.from(audio, 'base64'),
-          // audio: isURL(data.audioMessage.audio)
-          //   ? { url: data.audioMessage.audio }
-          //   : Buffer.from(data.audioMessage.audio, 'base64'),
           ptt: true,
-          mimetype: 'audio/ogg; codecs=opus',
+          // mimetype: 'audio/ogg; codecs=opus',
+          mimetype: 'audio/mp4',
         },
         { presence: 'recording', delay: data?.options?.delay },
       );
diff --git a/temp/audio.opus b/temp/audio.opus
deleted file mode 100644
index 393773a1..00000000
Binary files a/temp/audio.opus and /dev/null differ