diff --git a/src/commandHandler.ts b/src/command-handler.ts
similarity index 95%
rename from src/commandHandler.ts
rename to src/command-handler.ts
index e08e8f3..ec70ac4 100644
--- a/src/commandHandler.ts
+++ b/src/command-handler.ts
@@ -1,7 +1,7 @@
 import { Message, Room, Contact } from 'wechaty';
-import { InternJobProvider } from './providers/InternJobProvider';
-import { NGJobProvider } from './providers/NGJobProvider';
-import { FileSystemService } from './FileSystemService';
+import { InternJobProvider } from './providers/internship-job-provider';
+import { NGJobProvider } from './providers/new-graduate-job-provider';
+import { FileSystemService } from './file-system-service';
 
 interface Command {
   name: string;
diff --git a/src/FileSystemService.ts b/src/file-system-service.ts
similarity index 100%
rename from src/FileSystemService.ts
rename to src/file-system-service.ts
diff --git a/src/index.ts b/src/index.ts
index 81fb4be..3d7c3bf 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -2,13 +2,13 @@ import { WechatyBuilder, Contact, Room, Message } from 'wechaty';
 import { ContactImpl } from 'wechaty/impls';
 import qrcodeTerminal from 'qrcode-terminal';
 import { jobWxBotConfig } from '../package.json';
-import { InternJobProvider } from './providers/InternJobProvider';
-import { NGJobProvider } from './providers/NGJobProvider';
+import { InternJobProvider } from './providers/internship-job-provider';
+import { NGJobProvider } from './providers/new-graduate-job-provider';
 import path from 'path';
 import os from 'os';
 import * as fs from 'fs';
 import { TopicsLocal } from './types';
-import { CommandHandler } from './commandHandler';
+import { CommandHandler } from './command-handler';
 
 const wechaty = WechatyBuilder.build();
 let targetRooms: Room[] = [];
diff --git a/src/providers/InternJobProvider.ts b/src/providers/internship-job-provider.ts
similarity index 98%
rename from src/providers/InternJobProvider.ts
rename to src/providers/internship-job-provider.ts
index 3f10e75..85641ff 100644
--- a/src/providers/InternJobProvider.ts
+++ b/src/providers/internship-job-provider.ts
@@ -1,6 +1,6 @@
 import { Config } from '../config';
 import { Job } from '../types';
-import { BaseJobProvider } from './BaseJobProvider';
+import { BaseJobProvider } from './job-provider-base';
 
 /**
  * @class InternJobProvider
diff --git a/src/providers/BaseJobProvider.ts b/src/providers/job-provider-base.ts
similarity index 98%
rename from src/providers/BaseJobProvider.ts
rename to src/providers/job-provider-base.ts
index 409bdb5..c71f43f 100644
--- a/src/providers/BaseJobProvider.ts
+++ b/src/providers/job-provider-base.ts
@@ -1,7 +1,7 @@
 import axios from 'axios';
 import { Config } from '../config';
 import { Job, JobProvider } from '../types';
-import { FileSystemService } from '../FileSystemService';
+import { FileSystemService } from '../file-system-service';
 
 export abstract class BaseJobProvider implements JobProvider {
   abstract readonly jobType: string;
diff --git a/src/providers/NGJobProvider.ts b/src/providers/new-graduate-job-provider.ts
similarity index 98%
rename from src/providers/NGJobProvider.ts
rename to src/providers/new-graduate-job-provider.ts
index b97276a..9659a42 100644
--- a/src/providers/NGJobProvider.ts
+++ b/src/providers/new-graduate-job-provider.ts
@@ -1,6 +1,6 @@
 import { Config } from '../config';
 import { Job } from '../types';
-import { BaseJobProvider } from './BaseJobProvider';
+import { BaseJobProvider } from './job-provider-base';
 
 /**
  * @class NGJobProvider