=== RUN   TestUserService_ListUsers_All
    user_svc_integration_test.go:249: 期望 total >= 5，实际 1
    user_svc_integration_test.go:252: 期望返回 >= 5 条，实际 1 条
--- FAIL: TestUserService_ListUsers_All (0.08s)
FAIL
FAIL	github.com/user-management-system/internal/service	0.251s
FAIL
