minor fix

src/index.ts

@@ -250,7 +250,7 @@ export default class PicsContainer
     }
   }
 
-  @UseCommand('{{commandName}}  [...tags:string]')
+  @UseCommand('{{commandName}} [...tags:string]')
   @CommandLocale('zh', {
     description: '获取随机图片',
     options: {

tests/sample.spec.ts

@@ -6,7 +6,7 @@ describe('Test of plugin.', () => {
 
   beforeEach(async () => {
     app = new App();
-    // app.plugin(TargetPlugin);
+    app.plugin(TargetPlugin, { commandName: 'setu' });
     await app.start();
   });