diff --git a/src/components/uploadDicomAndNonedicom/dicomFile.vue b/src/components/uploadDicomAndNonedicom/dicomFile.vue
index 64a22362..57361197 100644
--- a/src/components/uploadDicomAndNonedicom/dicomFile.vue
+++ b/src/components/uploadDicomAndNonedicom/dicomFile.vue
@@ -1308,7 +1308,7 @@ export default {
                                     o.imageColumns,
                                     o.imageRows
                                   )
-                                  let thumbnailPath = `/${params.trialId}/Image/${params.subjectId}/${params.subjectVisitId}/${dicomInfo.visitTaskId}/${dicomInfo.studyUid}/${v.seriesUid}.png`
+                                  let thumbnailPath = `/${params.trialId}/Image/${params.subjectId}/${params.subjectVisitId}/${dicomInfo.visitTaskId}/${dicomInfo.studyUid}/${v.seriesUid}.jpg`
                                   let OSSclient = scope.OSSclient
                                   let seriesRes = await OSSclient.put(
                                     thumbnailPath,
@@ -1421,7 +1421,7 @@ export default {
                     v.instanceList[0].imageColumns,
                     v.instanceList[0].imageRows
                   )
-                  let thumbnailPath = `/${params.trialId}/Image/${params.trialSiteId}/${params.subjectId}/${params.subjectVisitId}/${dicomInfo.studyUid}/${v.seriesUid}.png`
+                  let thumbnailPath = `/${params.trialId}/Image/${params.subjectId}/${params.subjectVisitId}/${dicomInfo.studyUid}/${v.seriesUid}.jpg`
                   let OSSclient = scope.OSSclient
                   try {
                     let seriesRes = await OSSclient.put(thumbnailPath, blob)
@@ -1499,8 +1499,8 @@ export default {
       return new Promise((resolve) => {
         cornerstone.loadImage(imageId).then(async (image) => {
           let canvas = document.createElement('canvas')
-          canvas.width = width
-          canvas.height = height
+          canvas.width = (width * 60) / height
+          canvas.height = 60
           if (image) {
             cornerstone.renderToCanvas(canvas, image)
             // 将 Canvas 图像对象转换为 PNG 格式
diff --git a/src/components/uploadImage/components/upload-list.vue b/src/components/uploadImage/components/upload-list.vue
index 2968add8..95465af2 100644
--- a/src/components/uploadImage/components/upload-list.vue
+++ b/src/components/uploadImage/components/upload-list.vue
@@ -567,7 +567,7 @@ export default {
       for (let i = 0; i < arr.length; i++) {
         let dicom = arr[i];
         if (dicom.StudyInstanceUid !== StudyInstanceUid) continue;
-        let thumbnailPath = `/${dicom.params.TrialId}/TaskImage/${dicom.params.SubjectId}/${dicom.params.VisitTaskId}/${dicom.StudyInstanceUid}/${dicom.SeriesInstanceUid}.png`;
+        let thumbnailPath = `/${dicom.params.TrialId}/TaskImage/${dicom.params.SubjectId}/${dicom.params.VisitTaskId}/${dicom.StudyInstanceUid}/${dicom.SeriesInstanceUid}.jpg`;
         if (!studyObj[dicom.StudyId]) {
           studyObj[dicom.StudyId] = {
             StudyId: dicom.StudyId,
diff --git a/src/utils/parseDicom.js b/src/utils/parseDicom.js
index 562630a0..7b84e32d 100644
--- a/src/utils/parseDicom.js
+++ b/src/utils/parseDicom.js
@@ -189,8 +189,8 @@ const dicomToPng = (imageId, width, height) => {
     return new Promise((resolve) => {
         cornerstone.loadImage(imageId).then(async (image) => {
             let canvas = document.createElement("canvas");
-            canvas.width = width;
-            canvas.height = height;
+            canvas.width = (width * 60) / height
+            canvas.height = 60
             if (image) {
                 cornerstone.renderToCanvas(canvas, image);
                 // 将 Canvas 图像对象转换为 PNG 格式
diff --git a/src/views/trials/trials-panel/visit/crc-upload/components/uploadDicomFiles2.vue b/src/views/trials/trials-panel/visit/crc-upload/components/uploadDicomFiles2.vue
index c610df06..396d8a09 100644
--- a/src/views/trials/trials-panel/visit/crc-upload/components/uploadDicomFiles2.vue
+++ b/src/views/trials/trials-panel/visit/crc-upload/components/uploadDicomFiles2.vue
@@ -1612,8 +1612,8 @@ export default {
       return new Promise((resolve) => {
         cornerstone.loadImage(imageId).then(async (image) => {
           let canvas = document.createElement('canvas')
-          canvas.width = width
-          canvas.height = height
+          canvas.width = (width * 60) / height
+          canvas.height = 60
           if (image) {
             cornerstone.renderToCanvas(canvas, image)
             // 将 Canvas 图像对象转换为 PNG 格式
@@ -1781,7 +1781,7 @@ export default {
                                     o.imageColumns,
                                     o.imageRows
                                   )
-                                  let thumbnailPath = `/${params.trialId}/Image/${params.subjectId}/${params.subjectVisitId}/${dicomInfo.studyUid}/${v.seriesUid}.png`
+                                  let thumbnailPath = `/${params.trialId}/Image/${params.subjectId}/${params.subjectVisitId}/${dicomInfo.studyUid}/${v.seriesUid}.jpg`
                                   let OSSclient = scope.OSSclient
                                   let seriesRes = await OSSclient.put(
                                     thumbnailPath,
@@ -1894,7 +1894,7 @@ export default {
                     v.instanceList[0].imageColumns,
                     v.instanceList[0].imageRows
                   )
-                  let thumbnailPath = `/${params.trialId}/Image/${params.trialSiteId}/${params.subjectId}/${params.subjectVisitId}/${dicomInfo.studyUid}/${v.seriesUid}.png`
+                  let thumbnailPath = `/${params.trialId}/Image/${params.trialSiteId}/${params.subjectId}/${params.subjectVisitId}/${dicomInfo.studyUid}/${v.seriesUid}.jpg`
                   let OSSclient = scope.OSSclient
                   try {
                     let seriesRes = await OSSclient.put(thumbnailPath, blob)