diff --git a/shared/db/EventRecord.ts b/shared/db/EventRecord.ts
index 886fb7106..9fae08ab0 100644
--- a/shared/db/EventRecord.ts
+++ b/shared/db/EventRecord.ts
@@ -15,6 +15,7 @@ class Question {
   * 战斗记录接口
   */
 @index({ roleId: 1, eventCode: 1, eventId: 1 })
+@index({ eventCode: 1 })
 
 export default class EventRecord extends BaseModel {
     @prop({ required: true })
diff --git a/shared/db/Lot.ts b/shared/db/Lot.ts
index 15ff6228f..890530b10 100644
--- a/shared/db/Lot.ts
+++ b/shared/db/Lot.ts
@@ -11,6 +11,7 @@ import { AUCTION_STAGE, BID_REC_COUNT, GUILD_LOTS_REC_COUNT, LOTS_KEEP_TO_WORLD_
 @index({ sort: 1 })
 @index({ seq: 1 })
 @index({ code: 1 })
+@index({ begin: -1 })
 @index({ guildCode: 1, begin: -1 })
 @index({ serverId: 1, begin: -1, watchingRoles: 1 })
 export default class Lot extends BaseModel {
diff --git a/shared/db/MailTemp.ts b/shared/db/MailTemp.ts
index 42ceb1be7..e795ddd71 100644
--- a/shared/db/MailTemp.ts
+++ b/shared/db/MailTemp.ts
@@ -1,5 +1,5 @@
 import BaseModel from './BaseModel';
-import { prop } from '@typegoose/typegoose';
+import { index, prop } from '@typegoose/typegoose';
 
 class Reward {
     @prop({ required: true })
@@ -8,6 +8,7 @@ class Reward {
     count: number;
 }
 
+@index({ sendTime: 1 })
 export default class MailTemp extends BaseModel {
 
     @prop({ required: true })
diff --git a/shared/db/TowerTaskRec.ts b/shared/db/TowerTaskRec.ts
index 930a40c12..b2a1cc5f8 100644
--- a/shared/db/TowerTaskRec.ts
+++ b/shared/db/TowerTaskRec.ts
@@ -39,6 +39,7 @@ export class TaskHero {
   */
 @index({ roleId: 1, status: 1 })
 @index({ batchCode: 1 })
+@index({ taskCode: 1 })
 @index({ createdAt: -1 })
 export default class TowerTaskRec extends BaseModel {
   @prop({ required: true })