     username: {
              label: '手机号',
              prefixIcon: 'el-icon-mobile-phone',
              placeholder: '手机号/邮箱/用户名',
              autocomplete: 'off',
              rules: { required: true, message: '请输入手机号', trigger: 'blur' }
            },
            password: {
              hide: true,
            },
            code: {
              label: '验证码',
              autocomplete: 'off',
              rules: { required: true, message: '请输验证�