diff --git a/src/utils/dcmUpload/anonymization.js b/src/utils/dcmUpload/anonymization.js
index 5b0e35eb..be9af865 100644
--- a/src/utils/dcmUpload/anonymization.js
+++ b/src/utils/dcmUpload/anonymization.js
@@ -15,6 +15,7 @@ export const anonymization = function (file, config) {
         let dataset = dcmjs.data.DicomMessage.readFile(buffer)
         for (var i = 0; i < AnonymizeFixedList.length; i++) {
           let AnonymizeFixed = AnonymizeFixedList[i]
+          if (!dataset.dict.hasOwnProperty(`${AnonymizeFixed.Group + AnonymizeFixed.Element}`)) continue
           if (dataset.dict[AnonymizeFixed.Group + AnonymizeFixed.Element]) {
             dataset.dict[AnonymizeFixed.Group + AnonymizeFixed.Element].Value[0] = AnonymizeFixed.ReplaceValue
           } else {
@@ -28,6 +29,7 @@ export const anonymization = function (file, config) {
         }
         for (var i = 0; i < AnonymizeNotFixedList.length; i++) {
           let AnonymizeNotFixed = AnonymizeNotFixedList[i]
+          // if (!dataset.dict.hasOwnProperty(`${AnonymizeNotFixed.Group + AnonymizeNotFixed.Element}`)) continue
           if (AnonymizeNotFixed.Group + AnonymizeNotFixed.Element === '00100020') {
             console.log(`${DicomStoreInfo.TrialCode}_${DicomStoreInfo.SubjectCode}`)
             if (dataset.dict[AnonymizeNotFixed.Group + AnonymizeNotFixed.Element]) {
@@ -53,9 +55,9 @@ export const anonymization = function (file, config) {
             }
           }
         }
-        // console.log(dataset)
+
         try {
-          let newDicomFile = dataset.write()
+          let newDicomFile = dataset.write({ fragmentMultiframe: false }) // fragmentMultiframe 原始数据是否进行分割
           const bufferArray = new Uint8Array(newDicomFile)
           const blob = new Blob([bufferArray], { type: 'application/octet-stream' })
           resolve({ blob, pixelDataElement })