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 d5b2b0c1..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;">{{
                             $t('trials:reading:Segmentations:title:InactiveSegmentationsShow')
-                        }}</span>
+                            }}</span>
                     </div>
                 </div>
                 <template v-if="segmentList.length > 0">
@@ -163,7 +163,8 @@
                             <i class="el-icon-warning-outline" style="color:red;margin-right: 5px;"
                                 :title="$t('trials:reading:Segmentations:tip:segmentationIsNotSave')"
                                 v-if="!curSegmentGroup.isSaved"></i>
-                            <el-button type="success" size="small" :disabled="saveLoading || isMPR"
+                            <el-button type="success" size="small"
+                                :disabled="saveLoading || isMPR || curSegmentGroup.isSaved"
                                 @click="saveSegmentGroup([curSegmentGroup])">
                                 {{ $t("trials:reading:Segmentations:button:save") }}
                             </el-button>
@@ -186,21 +187,39 @@
                             <div class="messageBox">
                                 <el-popover placement="left" :title="item.SegmentLabel" width="200" trigger="hover">
                                     <div class="Bidirectionalbox">
-                                        <div class="BidirectionalBtn" @click.stop="addTip(item)"
+                                        <!-- <div class="BidirectionalBtn" @click.stop="addTip(item)"
                                             v-if="!item.bidirectional">
                                             {{ $t('trials:reading:Segmentations:button:getBidirectional') }}
-                                        </div>
-                                        <template v-else>
+                                        </div> -->
+                                        <template>
                                             <div class="num">
-                                                <span>L:{{ Number(item.bidirectional.maxMajor).toFixed(2) }} mm</span>
-                                                <span>S:{{ Number(item.bidirectional.maxMinor).toFixed(2) }} mm</span>
+                                                <span>L: {{
+                                                    item.bidirectional && item.bidirectional.maxMajor
+                                                        ? Number(item.bidirectional.maxMajor).toFixed(2) : ' '
+                                                }} mm</span>
+                                                <span>S: {{
+                                                    item.bidirectional && item.bidirectional.maxMinor
+                                                        ? Number(item.bidirectional.maxMinor).toFixed(2) : ' '
+                                                }} mm</span>
                                             </div>
                                             <div class="btnBox">
-                                                <svg-icon :icon-class="!item.bidirectionalView ? 'eye' : 'eye-open'"
-                                                    style="color:#000;margin-right: 5px;cursor: pointer;"
-                                                    @click.stop="viewBidirectional([item], !item.bidirectionalView)" />
-                                                <svg-icon icon-class="jumpto" style="color:#000;cursor: pointer;"
-                                                    @click.stop="jumpBidirectional(item)" />
+                                                <div
+                                                    :title="!item.bidirectionalView ? $t('trials:reading:Segmentations:button:eye') : $t('trials:reading:Segmentations:button:eye-open')">
+                                                    <svg-icon :icon-class="!item.bidirectionalView ? 'eye' : 'eye-open'"
+                                                        style="color:#000;margin-right: 5px;cursor: pointer;"
+                                                        @click.stop="viewBidirectional([item], !item.bidirectionalView)"
+                                                        v-if="item.bidirectional" />
+                                                </div>
+                                                <div :title="$t('trials:reading:Segmentations:button:jumpto')">
+                                                    <svg-icon icon-class="jumpto" style="color:#000;cursor: pointer;"
+                                                        @click.stop="jumpBidirectional(item)"
+                                                        v-if="item.bidirectional" />
+                                                </div>
+
+                                                <i class="el-icon-plus" style="color:#000;cursor: pointer;"
+                                                    v-if="!item.bidirectional"
+                                                    :title="$t('trials:reading:Segmentations:button:getBidirectional')"
+                                                    @click.stop="addTip(item)" />
                                             </div>
                                         </template>
                                     </div>
@@ -253,7 +272,8 @@
             </el-collapse-item>
         </el-collapse>
         <div class="saveBtnBox" v-if="readingTaskState < 2 && segmentList && segmentList.length > 1">
-            <el-button type="success" size="small" :disabled="saveLoading || isMPR" @click="saveSegmentGroup()">
+            <el-button type="success" size="small" :disabled="saveLoading || isMPR || curSegmentGroup.isSaved"
+                @click="saveSegmentGroup()">
                 {{ $t("trials:reading:Segmentations:button:saveAll") }}
             </el-button>
         </div>
@@ -746,7 +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++