fix bug 远征显示下一关等

shared/db/Hero.ts

@@ -7,6 +7,7 @@ import { updateCe } from '../pubUtils/util';
   * 英雄表
 */
 @index({ roleId: 1, hid: 1 })
+@index({ roleId: 1, seqId: 1 })
 export default class Hero extends BaseModel {
 
   @prop({ required: true })
@@ -60,6 +61,10 @@ export default class Hero extends BaseModel {
     return heros || [];
   }
 
+  public static async findBySeqIdRange(seqIds: Array<number>, roleId: string, lean = true) {
+    const hero = await HeroModel.find({ seqId: {$in: seqIds}, roleId }).lean(lean);
+    return hero;
+  }
   public static async findBySeqIdAndRole(seqId: number, roleId: string, lean = true) {
     const hero = await HeroModel.findOne({ seqId, roleId }).lean(lean);
     return hero;