diff --git a/packages/helpers/package.json b/packages/helpers/package.json
index c6705ca..cbe3679 100644
--- a/packages/helpers/package.json
+++ b/packages/helpers/package.json
@@ -23,7 +23,8 @@
     }
   },
   "dependencies": {
-    "@biscuitland/common": "^0.0.4"
+    "@biscuitland/common": "^0.0.4",
+    "ts-mixer": "^6.0.3"
   },
   "devDependencies": {
     "@types/node": "^18.7.14",
@@ -72,4 +73,4 @@
   "publishConfig": {
     "access": "public"
   }
-}
\ No newline at end of file
+}
diff --git a/packages/helpers/src/commands/slash/SlashCommand.ts b/packages/helpers/src/commands/slash/SlashCommand.ts
index a07b811..37a5a3d 100644
--- a/packages/helpers/src/commands/slash/SlashCommand.ts
+++ b/packages/helpers/src/commands/slash/SlashCommand.ts
@@ -2,10 +2,10 @@ import {
   ApplicationCommandType,
   PermissionFlagsBits,
   RESTPostAPIChatInputApplicationCommandsJSONBody,
-  applyToClass
 } from '@biscuitland/common';
 import { AllSlashOptions, SlashSubcommandGroupOption, SlashSubcommandOption } from './SlashCommandOption';
 import { PermissionsStrings } from '../../Utils';
+import { Mixin } from 'ts-mixer';
 
 class SlashCommandB {
   constructor(public data: Partial<RESTPostAPIChatInputApplicationCommandsJSONBody> = {}) {}
@@ -53,5 +53,5 @@ class SlashCommandB {
   }
 }
 
-export const SlashCommand = applyToClass(SlashSubcommandOption, SlashCommandB, ['toJSON']);
+export const SlashCommand = Mixin(SlashCommandB, SlashSubcommandOption);
 export type SlashCommand = InstanceType<typeof SlashCommand>;