名将擂台：防守战力更新

shared/db/LadderMatch.ts

@@ -24,6 +24,8 @@ export default class LadderMatch extends BaseModel {
 
     @prop({ required: true, default: null, _id: false })
     defense: LadderDefense;
+    @prop({ required: true, default: false })
+    hasDefense: boolean;                    // 购买次数
 
     @prop({ required: true, type: LadderOppPlayerInDB, default: [], _id: false })
     oppPlayers: LadderOppPlayerInDB[];
@@ -147,7 +149,7 @@ export default class LadderMatch extends BaseModel {
 
     public static async updateCe(roleId: string, hid: number, ce: number) {   
         const rec: LadderMatchType = await LadderMatchModel.findOneAndUpdate(
-            { roleId, defense: { $exists: false } }, 
+            { roleId, hasDefense: true }, 
             { $set: { 'defense.heroes.$[t].ce': ce } },
             { arrayFilters: [{"t.actorId": hid}] }).lean();
         return rec