fix(article list): 修复空数据处理和加载时机调整

1. 给列表数据新增空值兜底避免报错
2. 调整loading隐藏和分页结束的执行顺序

pages_tool/article/list.vue

@@ -22,9 +22,9 @@
 					</view>
 				</view>
 				<view v-else class="empty-wrap"><ns-empty :text="$lang('emptyText')" :isIndex="false"></ns-empty></view>
-				<loading-cover ref="loadingCover"></loading-cover>
 			</block>
 		</mescroll-uni>
+		<loading-cover ref="loadingCover"></loading-cover>
 
 		<!-- 隐私弹窗 -->
 		<privacy-popup ref="privacyPopup"></privacy-popup>
@@ -58,16 +58,16 @@ export default {
 					let newArr = [];
 					let msg = res.message;
 					if (res.code == 0 && res.data) {
-						newArr = res.data.list;
+						newArr = res.data.list || [];
 					} else {
 						this.$util.showToast({
 							title: msg
 						});
 					}
-					mescroll.endSuccess(newArr.length);
 					//设置列表数据
 					if (mescroll.num == 1) this.list = []; //如果是第一页需手动制空列表
 					this.list = this.list.concat(newArr); //追加新数据
+					mescroll.endSuccess(newArr.length);
 					if (this.$refs.loadingCover) this.$refs.loadingCover.hide();
 				},
 				fail: res => {