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 d158198c..7bbd0f10 100644
--- a/src/views/trials/trials-panel/reading/dicoms3D/components/Segmentations.vue
+++ b/src/views/trials/trials-panel/reading/dicoms3D/components/Segmentations.vue
@@ -39,10 +39,19 @@
                     </div> -->
                 </div>
                 <div class="ConfigBox">
+                    <div class="EraserConfig"
+                        v-if="activeTool === 'CircularEraser' || activeTool === 'CircularBrush' || ThresholdTools.includes(activeTool)">
+                        <span>{{ $t('trials:reading:Segmentations:title:EraserConfigSection') }}</span>
+                        <el-select v-model="sliderMax" placeholder="" size="small" @change="handleSliderChange">
+                            <el-option v-for="item in sliderSection" :key="item.id" :label="item.label"
+                                :value="item.max">
+                            </el-option>
+                        </el-select>
+                    </div>
                     <div class="EraserConfig"
                         v-if="activeTool === 'CircularEraser' || activeTool === 'CircularBrush' || ThresholdTools.includes(activeTool)">
                         <span>{{ $t('trials:reading:Segmentations:title:EraserConfig') }}</span>
-                        <el-slider v-model="brushSize" show-input :step="1" :max="100" input-size="mini"
+                        <el-slider v-model="brushSize" show-input :step="sliderStep" :max="sliderMax" input-size="mini"
                             :show-input-controls="false" />
                     </div>
                     <div class="EraserConfig" v-if="ThresholdTools.includes(activeTool)">
@@ -128,7 +137,7 @@
                         </el-switch>
                         <span style="margin-left: 5px;">{{
                             $t('trials:reading:Segmentations:title:InactiveSegmentationsShow')
-                            }}</span>
+                        }}</span>
                     </div>
                 </div>
                 <template v-if="segmentList.length > 0">
@@ -246,8 +255,9 @@
                                 <div
                                     style="width: 100%;display: flex;align-items: center;justify-content: space-between;">
                                     <div class="SegmentName">{{ item.SegmentLabel }}</div>
-                                    <div v-if="item.stats && item.stats['volume']" style="text-align: left;width: 100px;">{{
-                                        Number(item.stats['volume'].value).toFixed(digitPlaces) }}{{
+                                    <div v-if="item.stats && item.stats['volume']"
+                                        style="text-align: left;width: 100px;">{{
+                                            Number(item.stats['volume'].value).toFixed(digitPlaces) }}{{
                                             item.stats['volume'].unit }}</div>
                                 </div>
 
@@ -310,7 +320,7 @@
                     <template slot-scope="scope">
                         <el-button type="text" @click.stop="restoreSegmentationVersion(scope.row)">{{
                             $t('trials:reading:Segmentations:button:recovery')
-                            }}</el-button>
+                        }}</el-button>
                     </template>
                 </el-table-column>
             </el-table>
@@ -443,6 +453,19 @@ export default {
     },
     data() {
         return {
+            sliderMax: 50,
+            sliderStep: 1,
+            sliderSection: [{
+                id: `sliderSection1`,
+                max: 50,
+                step: 1,
+                label: '0~50mm'
+            }, {
+                id: `sliderSection2`,
+                max: 5,
+                step: 0.1,
+                label: '0~5mm'
+            }],
             visible: false,
             recoveryList: [],
             searchData: searchDataDefault(),
@@ -488,7 +511,7 @@ export default {
         }
     },
     mounted() {
-        this.SegmentHight = window.innerHeight > 900 ? window.innerHeight * 0.5 : window.innerHeight * 0.4;
+        this.SegmentHight = window.innerHeight > 900 ? window.innerHeight * 0.45 : window.innerHeight * 0.35;
         this.statsKey = getCustomizeStandardsSegmentDicomTools('Labelmap')[0].props.filter(item => item !== 'width' && item !== 'length')
         // console.log(segmentation, 'segmentation')
         // console.log(annotation, 'annotation')
@@ -578,6 +601,16 @@ export default {
         }
     },
     methods: {
+        handleSliderChange(value) {
+            // console.log(value, 'value')
+            let data = this.sliderSection.find(item => item.max === value)
+            if (data) {
+                this.sliderStep = data.step
+            }
+            if (this.brushSize >= data.max) {
+                this.brushSize = data.max
+            }
+        },
         fileSizeFormatter(size) {
             if (!size) return
             return (size / Math.pow(1024, 2)).toFixed(3) + 'MB'