使用up-form-item会出现这个警告

使用up-form-item会出现这个警告
代码：【
<up-form labelPosition="top" :model="loginEmail" :rules="rulesEmail" ref="loginRef">
<up-form-item label="Email" prop="email" borderBottom class="u-p-10">
<up-input v-model="loginEmail.email" border="none" placeholder="Please enter your email address"></up-input>
</up-form-item>
<up-form-item label="Password" prop="password" borderBottom class="u-p-10">
<up-input v-model="loginEmail.password" type="password" border="none" placeholder="Please enter your password">
</up-input>
</up-form-item>
</up-form>
】
[Vue warn]: Method "color" has type "object" in the component definition. Did you reference the function correctly?
at <UFormItem>
at <View>
at <UForm>
at <View>
at <View>
at <View>
at <View>
at <Signup>
at <AsyncComponentWrapper>
at <PageBody>
at <Page>
at <Anonymous>
at <KeepAlive>
at <RouterView>
at <Layout>
at <App>