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 4b031f00..e2b385f0 100644
--- a/src/views/trials/trials-panel/reading/dicoms3D/components/ReadPage.vue
+++ b/src/views/trials/trials-panel/reading/dicoms3D/components/ReadPage.vue
@@ -2971,9 +2971,9 @@ export default {
           const renderingEngine = getRenderingEngine(renderingEngineId)
           renderingEngine.resize(true, false)
           renderingEngine.render()
-          if (this.readingTool === 3) {
-            DicomEvent.$emit('isloaded', { isChange: false })
-          }
+          // if (this.readingTool === 3) {
+          //   DicomEvent.$emit('isloaded', { isChange: false })
+          // }
         })
 
       }
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 afb04e21..291c0bb1 100644
--- a/src/views/trials/trials-panel/reading/dicoms3D/components/Segmentations.vue
+++ b/src/views/trials/trials-panel/reading/dicoms3D/components/Segmentations.vue
@@ -75,7 +75,8 @@
                 <template slot="title">
                     <div class="SegmentTitle">
                         {{ $t('trials:reading:Segmentations:title:Segment') }}
-                        <svg-icon icon-class="individuation" class="svg-icon" style="margin-right: 10px;" @click.stop="changeShowSegmentConfig" />
+                        <svg-icon icon-class="individuation" class="svg-icon" style="margin-right: 10px;"
+                            @click.stop="changeShowSegmentConfig" />
                     </div>
                 </template>
                 <div class="addSegmentBox viewHover" @click.stop="addSegment" v-if="segmentList.length <= 0">
@@ -120,7 +121,7 @@
                         </el-switch>
                         <span style="margin-left: 5px;">{{
                             $t('trials:reading:Segmentations:title:InactiveSegmentationsShow')
-                            }}</span>
+                        }}</span>
                     </div>
                     <!-- <div class="SegmentConfig" v-if="SegmentConfig.InactiveSegmentations.show">
                         <span>{{ $t('trials:reading:Segmentations:title:Opacity') }}</span>
@@ -202,7 +203,7 @@
                                         <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>
@@ -1567,7 +1568,7 @@ export default {
                 let res = await getSegmentationList(data);
                 this.loading = false;
                 if (res.IsSuccess) {
-                    // this.segmentList = []
+                    this.segmentList = []
                     let list = res.Result.CurrentPageData;
                     for (let i = 0; i < list.length; i++) {
                         let item = list[i]
@@ -1627,9 +1628,20 @@ export default {
                         })
                     }
                     if (this.segmentationId && this.segmentIndex && this.segmentList && this.segmentList.length > 0) {
-                        let segment = this.segmentList.find(item => item.segmentationId === this.segmentationId).segments.find(item => item.segmentIndex === this.segmentIndex)
+                        let o = this.segmentList.find(item => item.segmentationId === this.segmentationId)
+                        if (o) {
+                            let s = o.segments.find(item => item.segmentIndex === this.segmentIndex)
+                            this.selectSegmentGroup(s)
+                        } else {
+                            this.segmentationId = this.segmentList[0].segmentationId
+                            this.segmentIndex = this.segmentationId ? this.segmentList[0].segments[0].segmentIndex : null
+                            if (this.segmentationId && this.segmentIndex) {
+                                this.selectSegmentGroup(this.segmentList[0].segments[0])
+                            }
+
+                        }
                         // console.log(segment, 'segment')
-                        this.selectSegmentGroup(segment)
+
                         // this.selectSegment(segment)
                     }
                     this.isloaded = false
diff --git a/src/views/trials/trials-panel/reading/dicoms3D/components/tools/ScaleOverlayTool.js b/src/views/trials/trials-panel/reading/dicoms3D/components/tools/ScaleOverlayTool.js
index 2a6067e0..6eccff5e 100644
--- a/src/views/trials/trials-panel/reading/dicoms3D/components/tools/ScaleOverlayTool.js
+++ b/src/views/trials/trials-panel/reading/dicoms3D/components/tools/ScaleOverlayTool.js
@@ -316,6 +316,7 @@ class ScaleOverlayTool extends AnnotationDisplayTool {
             width: canvas.width / window.devicePixelRatio || 1,
             height: canvas.height / window.devicePixelRatio || 1,
         };
+        if(!annotation||!annotation.data) return false
         const topLeft = annotation.data.handles.points[0];
         const topRight = annotation.data.handles.points[1];
         const bottomLeft = annotation.data.handles.points[2];