diff --git a/components/xtUpload.vue b/components/xtUpload.vue
index ef1e4c5..0b759cb 100644
--- a/components/xtUpload.vue
+++ b/components/xtUpload.vue
@@ -194,6 +194,35 @@ const preview = (item) => {
 			current: currentIndex >= 0 ? currentIndex : 0,
 			urls: urls,
 		})
+	} else if (item.type == 10) {
+	    uni.downloadFile({
+			url: item.url,
+			success: function (res) {
+				var filePath = res.tempFilePath;
+					uni.openDocument({
+						filePath: filePath,
+						showMenu: true,
+						success: function (res) {
+							console.log('打开文档成功');
+						}
+				});
+			}
+		});
+	} else if (item.type == 20) {
+	    uni.showToast({
+		    title: "暂不支持预览该文件",
+			icon : 'none'
+		})
+	} else if (item.type == 30) {
+	    uni.showToast({
+		    title: "暂不支持预览该文件",
+			icon : 'none'
+		})
+	} else {
+		uni.showToast({
+		    title: "暂不支持预览该文件",
+			icon : 'none'
+		})
 	}
 }