优化：武将初始加载

shared/db/Skin.ts

@@ -26,6 +26,15 @@ export default class Skin extends BaseModel {
         return rec;
     }
 
+    public static async insertSkins(roleId: string, roleName: string, skinInfos: SkinUpdate[]) {
+        let insertInfos: SkinUpdate[] = [];
+        for(let skinInfo of skinInfos) {
+            insertInfos.push({ ...skinInfo, roleId, roleName });
+        }
+        const items: SkinType[] = await SkinModel.insertMany(insertInfos);
+        return items;
+    }
+
     public static async increaseSkin(roleId: string, id: number, info: { roleId: string, roleName: string, id: number, skinName: string, hid: number }, lean = true) {
         const doc = new SkinModel();
         const setOnInsert = Object.assign(doc.toJSON(), info);
@@ -39,3 +48,4 @@ export const SkinModel = getModelForClass(Skin);
 export interface SkinType extends Pick<DocumentType<Skin>, keyof Skin> {
     id: number;
 };
+export type SkinUpdate = Partial<SkinType>; // 将所有字段变成可选项