更新成员服务，调整团队ID的默认值为0，并在用户创建逻辑中添加换行以提高代码可读性。

src/services/member.service.ts

@@ -45,7 +45,7 @@ export class MemberService {
       }
 
       let parentId = 1
-      let teamId = 1
+      let teamId = 0
       let domainId = 0
 
       if (code) {
@@ -84,6 +84,7 @@ export class MemberService {
         role: UserRole.USER,
         parentId
       })
+
       const savedUser = await manager.save(user)
       const member = manager.create(Member, {
         userId: savedUser.id,