diff --git a/src/views/trials/trials-panel/reading/dicoms/components/DicomViewer.vue b/src/views/trials/trials-panel/reading/dicoms/components/DicomViewer.vue
index 5f18ffed..6a2a2060 100644
--- a/src/views/trials/trials-panel/reading/dicoms/components/DicomViewer.vue
+++ b/src/views/trials/trials-panel/reading/dicoms/components/DicomViewer.vue
@@ -1878,7 +1878,8 @@ export default {
       var oA = document.createElement('a')
       var subjectCode = this.$refs[`dicomCanvas${this.currentDicomCanvasIndex}`][0].subjectCode
       var taskBlindName = this.$refs[`dicomCanvas${this.currentDicomCanvasIndex}`][0].stack.taskBlindName
-      oA.download = `${subjectCode}_${taskBlindName}`// 设置下载的文件名，默认是'下载'
+      var timestamp = Date.now()
+      oA.download = `${subjectCode}_${taskBlindName}_${timestamp}`// 设置下载的文件名，默认是'下载'
       oA.href = oImg
       document.body.appendChild(oA)
       oA.click()