diff --git a/shared/db/Role.ts b/shared/db/Role.ts
index e390129b6..54d8417de 100644
--- a/shared/db/Role.ts
+++ b/shared/db/Role.ts
@@ -109,6 +109,7 @@ export class Teraph {
 @index({ roleName: 1 })
 @index({ serverId: 1, roleId: 1 })
 @index({ towerLv: -1, towerUpTime: 1 })
+@index({ ce: -1 })
 // @index({ userInfo.uid: 1, serverId: 1 })
 export default class Role extends BaseModel {