diff --git a/src/views/trials/trials-panel/reading/dicoms3D/components/ReadPage.vue b/src/views/trials/trials-panel/reading/dicoms3D/components/ReadPage.vue
index 3656c2e4..0d423a2f 100644
--- a/src/views/trials/trials-panel/reading/dicoms3D/components/ReadPage.vue
+++ b/src/views/trials/trials-panel/reading/dicoms3D/components/ReadPage.vue
@@ -2031,7 +2031,7 @@ export default {
           const errorMsg = { message: 'annotation Not allowed to operate' }
           throw errorMsg
         }
-        if (this.activeTool === 'CircularEraser') return false
+        if (this.activeTool !== 'Eraser') return false
         const i = this.tools.findIndex(i => i.toolName === annotation.metadata.toolName)
         if (i === -1) {
           if (annotation.metadata.toolName === SegmentBidirectionalTool.toolName) {
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 fae335d8..d6ec53cf 100644
--- a/src/views/trials/trials-panel/reading/dicoms3D/components/Segmentations.vue
+++ b/src/views/trials/trials-panel/reading/dicoms3D/components/Segmentations.vue
@@ -123,7 +123,7 @@
                         </el-switch>
                         <span style="margin-left: 5px;">{{
                             $t('trials:reading:Segmentations:title:InactiveSegmentationsShow')
-                        }}</span>
+                            }}</span>
                     </div>
                 </div>
                 <template v-if="segmentList.length > 0">
@@ -201,7 +201,7 @@
                                         <div v-for="k in statsKey" :key="k" class="statsBox">
                                             <span>{{ k }}</span>
                                             <span v-if="item.stats[k]">{{ Number(item.stats[k].value).toFixed(2)
-                                            }}<i>{{ item.stats[k].unit }}</i></span>
+                                                }}<i>{{ item.stats[k].unit }}</i></span>
                                         </div>
                                     </template>
                                     <div class="serialNum" slot="reference">{{ index + 1 }}</div>
@@ -729,6 +729,7 @@ export default {
                 isSaved: false,
                 segments: []
             }
+            this.segmentIndex = null
             let segmentationId = await this.addOrUpdateSegmentation({ name: obj.name })
             obj.segmentationId = segmentationId
             await this.createSegmentation(obj.segmentationId)
@@ -748,7 +749,11 @@ export default {
                 let id = await this.addOrUpdateSegment({ name: o.SegmentLabel, color: o.color, segmentIndex: o.segmentIndex, segmentationId: o.segmentationId })
                 o.id = id
                 obj.segments.splice(index, 0, o);
+                segmentation.segmentIndex.setActiveSegmentIndex(obj.segmentationId, index + 1);
                 this.changeColor(this.colors[index], { segmentationId: obj.segmentationId, segmentIndex: index + 1, color: this.colors[index] })
+                if (index === this.trialCriterion.DefaultSegmentName.SegmentNameList.length - 1) {
+                    segmentation.segmentIndex.setActiveSegmentIndex(obj.segmentationId, 1);
+                }
             })
             this.segmentList.push(obj);
             this.segmentationId = obj.segmentationId;
@@ -767,6 +772,7 @@ export default {
                     isSaved: false,
                     segments: []
                 }
+                this.segmentIndex = null
                 let segmentationId = await this.addOrUpdateSegmentation({ name: obj.name })
                 obj.segmentationId = segmentationId
                 await this.createSegmentation(segmentationId)
@@ -786,7 +792,11 @@ export default {
                     let id = await this.addOrUpdateSegment({ name: o.SegmentLabel, color: o.color, segmentIndex: o.segmentIndex, segmentationId: o.segmentationId })
                     o.id = id
                     obj.segments.splice(index, 0, o);
+                    segmentation.segmentIndex.setActiveSegmentIndex(obj.segmentationId, index + 1);
                     this.changeColor(this.colors[index], { segmentationId: obj.segmentationId, segmentIndex: index + 1, color: this.colors[index] })
+                    if (index === this.trialCriterion.DefaultSegmentName.SegmentNameList.length - 1) {
+                        segmentation.segmentIndex.setActiveSegmentIndex(obj.segmentationId, 1);
+                    }
                 })
                 this.segmentList.push(obj);
                 this.segmentationId = segmentationId;