去除数组中的_id字段

shared/db/Hero.ts

@@ -99,7 +99,7 @@ export default class Hero extends BaseModel {
     ce: number;							// 武将战力
     @prop({ required: true, default: 0 })
     historyCe: number;			        // 武将历史最高战力
-    @prop({required: true, default: new CeAttr() })
+    @prop({required: true, default: new CeAttr(), _id: false })
     ceAttr: CeAttr;                     // 影响战力的属性
 
     @prop({ required: true, default: 1 })
@@ -132,12 +132,12 @@ export default class Hero extends BaseModel {
     favour: number;					// 好感度
     @prop({ required: true, default: 1 })
     favourLv: number;				// 好感等级
-    @prop({ required: true, type:Connect, default: [] })
+    @prop({ required: true, type:Connect, default: [], _id: false })
     connections: Connect[];					// 羁绊
-    @prop({ required: true, type: Skin, default: [] })
+    @prop({ required: true, type: Skin, default: [], _id: false })
     skins: Skin[];								// 皮肤
 
-    @prop({ required: true, type: EPlace, default: getInitialEplace() })
+    @prop({ required: true, type: EPlace, default: getInitialEplace(), _id: false })
     ePlace: EPlace[]; // 武将装备引用数组
 
     public static async findByRole(roleId: string, lean = true) {