优化插件初始化方式

src/modules/plugin/event/app.ts

@@ -21,9 +21,12 @@ export class BaseAppEvent {
   @Inject()
   cacheManager: CacheManager;
 
+  @Inject()
+  pluginCenterService: PluginCenterService;
+
   @Event('onServerReady')
   async onServerReady() {
     await this.cacheManager.set(PLUGIN_CACHE_KEY, []);
-    this.app.getApplicationContext().getAsync(PluginCenterService);
+    this.pluginCenterService.init();
   }
 }

src/modules/plugin/service/center.ts

@@ -45,7 +45,10 @@ export class PluginCenterService {
   @Inject()
   coolEventManager: CoolEventManager;
 
-  @Init()
+  /**
+   * 初始化
+   * @returns
+   */
   async init() {
     const inits: any[] = (await this.cacheManager.get(PLUGIN_CACHE_KEY)) || [];
     const pid = process.pid;