演武台：鼓舞，次数限制，掉落修改，结构修改

shared/db/Guild.ts

@@ -103,6 +103,12 @@ export default class Guild extends BaseModel {
     @prop({ required: true, default: () => { return getZeroPoint(SHOP_REFRESH_TYPE.WEEKLY) } })
     resetTrainTime: number;//上次刷新挑战训练场次数的时间
 
+    @prop({ required: true, default: getZeroPoint })
+    refOpenBossTime: Date;   // 开启boss本刷新时间
+
+    @prop({ required: true, default: 0 })
+    openBossCnt: number;   // 开启boss本次数
+
     public static async createGuild(params: { name: string, icon: number, notice: string }, role: RoleType, serverId: number) {
         const doc = new GuildModel();
         const update = Object.assign(doc.toJSON(), params, { leader: role._id, members: [role.roleId], guildCe: role.ce, serverId, lvUpdateTime: nowSeconds() });
@@ -162,8 +168,10 @@ export default class Guild extends BaseModel {
         return guildList;
     }
 
-    public static async findByCode(code: string, serverId: number, select?: string) {
-        const result: GuildType = await GuildModel.findOne({ code, status: GUILD_STATUS.RUNNING, serverId })
+    public static async findByCode(code: string, serverId?: number, select?: string) {
+        let condition: any = { code, status: GUILD_STATUS.RUNNING };
+        if(serverId) condition.serverId = serverId;
+        const result: GuildType = await GuildModel.findOne(condition)
         .select(select)
         .populate('leader', {roleId: 1, roleName: 1, frame: 1, head: 1, spine: 1, lv: 1, quitTime: 1, ce: 1, title: 1, _id: 0}, 'Role')
         .lean({ getters: true, virtuals: true });