fix

src/plugin.ts

 import 'source-map-support/register';
-import { Context, Schema, Random } from 'koishi';
-import { MyPluginConfig, MyPluginConfigLike } from './config';
-import { schemaFromClass, schemaTransform } from 'koishi-utils-schemagen';
+import { Context, Random } from 'koishi';
+import { MyPluginConfig } from './config';
 import { promises as fs } from 'fs';
 import { sleep } from 'koishi';
 import _ from 'lodash';