diff --git a/src/views/trials/trials-panel/reading/dicoms3D/components/Segmentations.vue b/src/views/trials/trials-panel/reading/dicoms3D/components/Segmentations.vue
index 67e553d2..1778aa3f 100644
--- a/src/views/trials/trials-panel/reading/dicoms3D/components/Segmentations.vue
+++ b/src/views/trials/trials-panel/reading/dicoms3D/components/Segmentations.vue
@@ -127,7 +127,7 @@
                         </el-switch>
                         <span style="margin-left: 5px;">{{
                             $t('trials:reading:Segmentations:title:InactiveSegmentationsShow')
-                        }}</span>
+                            }}</span>
                     </div>
                 </div>
                 <template v-if="segmentList.length > 0">
@@ -766,7 +766,7 @@ export default {
             return name
         },
         getSegmentName(arr, num = 1) {
-            let defaultSegmentName = arr[0].SegmentLabel
+            let defaultSegmentName = this.trialCriterion && this.trialCriterion.DefaultSegmentName && this.trialCriterion.DefaultSegmentName.SegmentNameList && this.trialCriterion.DefaultSegmentName.SegmentNameList.length > 0 ? this.trialCriterion.DefaultSegmentName.SegmentNameList[0] : arr[0].SegmentLabel
             let name = defaultSegmentName + num
             let has = arr.find(item => item.SegmentLabel === name)
             num++