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 e797fcb9..9fbbef96 100644
--- a/src/views/trials/trials-panel/reading/dicoms3D/components/Segmentations.vue
+++ b/src/views/trials/trials-panel/reading/dicoms3D/components/Segmentations.vue
@@ -133,7 +133,7 @@
                 <template v-if="segmentList.length > 0">
                     <div class="SegmentGroupBox">
                         <div style="display: flex;align-items: center;">
-                            <el-popover placement="left" width="40" trigger="click" v-if="readingTaskState < 2"
+                            <el-popover placement="left" width="200px" trigger="click" v-if="readingTaskState < 2"
                                 v-model="popoverVisible" :teleported="true">
                                 <div class="SegmentGroupBtnBox">
                                     <div class="SegmentGroupBtn" @click.stop="addSegmentGroup">