fix: 日志小优化

entry/src/main/ets/utils/DbSql.ets

@@ -34,7 +34,6 @@ class DbUtils {
           console.error(DbTag, `db rdbStore init fail reason:${err}`);
           reject(err)
         })
-
     })
   }
 

entry/src/main/ets/utils/LogWorker.ets

@@ -8,7 +8,7 @@ const LOG_CHUNK_PREFIX = '[切割消息序号';
 
 class logWorker {
   private static instance: logWorker | null = null;
-  private workerInstance = new worker.ThreadWorker("entry/ets/workers/Log.ets")
+  private workerInstance: worker.ThreadWorker | null = null;
   // 是否开启日志 1开启
   private isLogEnabled: string = "0";