diff --git a/src/api/common.js b/src/api/common.js
index 871eb002..11b27be7 100644
--- a/src/api/common.js
+++ b/src/api/common.js
@@ -56,8 +56,11 @@ export function previewFile(id,responseType = 'arraybuffer') {
 			header,  
 			responseType,
 			success(result) {  
-				let _blob = new Blob([result.data],{type:result.header['content-type'].split(';')[0]})
-				resolve(_blob)
+				console.log(result)
+				let _header = result.header['content-type'].split(';')[0]
+				// let base64 = new Blob([result.data],{type:result.header['content-type'].split(';')[0]})
+				let base64 = `data:${_header};base64,` + uni.arrayBufferToBase64(result.data)
+				resolve(base64)
 			},  
 			fail(error) {    
 				reject(new Error('Upload failed'));  
diff --git a/src/components/image-preview/image-preview.vue b/src/components/image-preview/image-preview.vue
index 1becd9d0..d51da45c 100644
--- a/src/components/image-preview/image-preview.vue
+++ b/src/components/image-preview/image-preview.vue
@@ -43,12 +43,12 @@
 			getPreviewUrlBlob(id) {
 				// this.imgUrlShow = '@/static/images/index/message_b.png'
 				previewFile(id).then((res) => {
-					// this.imgUrlShow = URL.createObjectURL(res);
-					const reader = new FileReader();
-					reader.readAsDataURL(res)
-					reader.onloadend = () => {
-						this.imgUrlShow = reader.result;
-					}
+					this.imgUrlShow = res;
+					// const reader = new FileReader();
+					// reader.readAsDataURL(res)
+					// reader.onloadend = () => {
+					// 	this.imgUrlShow = reader.result;
+					// }
 				});
 			},
 		},