后台添加清空账号功能

shared/db/HangUpRecord.ts

@@ -49,6 +49,11 @@ export default class HangUpRecord extends BaseModel {
     const newRec = await HangUpRecordModel.findOneAndUpdate({roleId, startLv: endLv}, update, {upsert: true, new: true}).lean(lean);
     return newRec;
   }
+
+  public static async deleteAccount(roleId: string, lean = true) {
+    let result = await HangUpRecordModel.deleteMany({roleId}).lean(lean);
+    return result||{};
+  }
 }
 
 export const HangUpRecordModel = getModelForClass(HangUpRecord);