添加：

pages/login/register_2.vue

@@ -30,7 +30,7 @@
 						<view style="margin-right: 10rpx;">
 							<u-icon name="account" size="36"></u-icon>
 						</view>
-						<u-input v-model="form.name" placeholder="this.$t('register_2.name')" />
+						<u-input v-model="form.name" :placeholder="this.$t('register_2.name')" />
 					</u-form-item>
 					<u-form-item prop="phone">
 						<view style="margin-right: 10rpx;">