still some minor fix

data-manager/DataManager.js

@@ -22,7 +22,7 @@ class DataManager {
         this.log = log;
     }
     async transaction(fun) {
-        const runner = await this.db.createQueryRunner();
+        const runner = this.db.createQueryRunner();
         await runner.connect();
         await runner.startTransaction();
         let result = false;

data-manager/DataManager.ts

@@ -45,7 +45,7 @@ export class DataManager {
 		this.log = log;
 	}
 	private async transaction(fun: (mdb: EntityManager) => Promise<boolean>) {
-		const runner = await this.db.createQueryRunner();
+		const runner = this.db.createQueryRunner();
 		await runner.connect();
 		await runner.startTransaction();
 		let result = false;