fix: deletePic 兼容 up-upload delete 事件参数格式

pagesHome/fillNonprofitArchives.vue

@@ -58,7 +58,8 @@
 	const fileList = ref([])
 	
 	const deletePic = (event) => {
-	  fileList.value.splice(event.index, 1);
+	  const index = typeof event === 'object' ? event.index : event
+	  fileList.value.splice(index, 1);
 	};
 	
 	// 新增图片