diff --git a/pages/checkList/checkList.vue b/pages/checkList/checkList.vue
index fae5f8e..f2491b3 100644
--- a/pages/checkList/checkList.vue
+++ b/pages/checkList/checkList.vue
@@ -162,11 +162,7 @@
 			},
 			downLoad(item) {
 				console.log(item)
-				if (item.file_suffix == 'png') {
-					uni.previewImage({
-						urls: [item.path]
-					})
-				} else {
+				if (item.file_suffix == 'pdf') {
 					uni.downloadFile({
 						url: item.path,
 						success: (data) => {
@@ -200,6 +196,11 @@
 							})
 						}
 					});
+					
+				} else {
+					uni.previewImage({
+						urls: [item.path]
+					})
 				}	
 			},
 			goProgress(item){
diff --git a/pages/taskDetail/taskDetail.vue b/pages/taskDetail/taskDetail.vue
index 9443f1c..b67fda5 100644
--- a/pages/taskDetail/taskDetail.vue
+++ b/pages/taskDetail/taskDetail.vue
@@ -208,11 +208,7 @@
 			},
 			downLoad(item) {
 				
-				if (this.contentInfo.file_suffix == 'png') {
-					uni.previewImage({
-						urls: [item]
-					})
-				} else {
+				if (this.contentInfo.file_suffix == 'pdf') {
 					uni.downloadFile({
 						url: item,
 						success: (data) => {
@@ -246,6 +242,11 @@
 							})
 						}
 					});
+					
+				} else {
+					uni.previewImage({
+						urls: [item]
+					})
 				}	
 			},
 		    async afterRead(event) {