diff --git a/src/api/reading.js b/src/api/reading.js
index e686f326..5e6315fd 100644
--- a/src/api/reading.js
+++ b/src/api/reading.js
@@ -431,4 +431,20 @@ export function studyUndoMaskImage(data) {
     method: 'post',
     data
   })
+}
+// 获取分割组历史版本
+export function getSegmentationVersionList(data) {
+  return request({
+    url: `/Segmentation/getSegmentationVersionList`,
+    method: 'post',
+    data
+  })
+}
+// 恢复分割历史版本
+export function restoreSegmentationVersion(data) {
+  return request({
+    url: `/Segmentation/restoreSegmentationVersion`,
+    method: 'post',
+    data
+  })
 }
\ No newline at end of file
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 aadf4a6f..4ea14080 100644
--- a/src/views/trials/trials-panel/reading/dicoms3D/components/Segmentations.vue
+++ b/src/views/trials/trials-panel/reading/dicoms3D/components/Segmentations.vue
@@ -145,6 +145,9 @@
                                     <div class="SegmentGroupBtn" @click.stop="exportSegmentGroup">
                                         {{ $t('trials:reading:Segmentations:button:exportSegmentGroup') }}
                                     </div>
+                                    <div class="SegmentGroupBtn" @click.stop="recoverySegmentGroup">
+                                        {{ $t('trials:reading:Segmentations:button:recoverySegmentGroup') }}
+                                    </div>
                                     <div class="SegmentGroupBtn" @click.stop="delSegmentGroup">
                                         {{ $t('trials:reading:Segmentations:button:deleteSegmentGroup') }}
                                     </div>
@@ -228,9 +231,10 @@
                                             <span>{{ k }}</span>
                                             <span v-if="item.stats[k]">{{ JSON.stringify(item.stats[k].value) !== 'null'
                                                 ?
-                                                k === 'count' ? Number(item.stats[k].value).toFixed(0) : Number(item.stats[k].value).toFixed(digitPlaces)
+                                                k === 'count' ? Number(item.stats[k].value).toFixed(0) :
+                                                    Number(item.stats[k].value).toFixed(digitPlaces)
                                                 : null
-                                                }}<i>{{ item.stats[k].unit }}</i></span>
+                                            }}<i>{{ item.stats[k].unit }}</i></span>
                                         </div>
                                     </template>
                                     <div class="serialNum" slot="reference">{{ index + 1 }}</div>
@@ -278,10 +282,37 @@
                 {{ $t("trials:reading:Segmentations:button:saveAll") }}
             </el-button>
         </div>
+        <el-dialog :visible.sync="visible" :close-on-click-modal="false"
+            :title="$t('trials:reading:Segmentations:recovery')" width="850px">
+            <el-table :data="recoveryList" style="width: 100%;background-color: #1e1e1e;">
+                <el-table-column type="index" width="50">
+                </el-table-column>
+                <el-table-column property="Version" :label="$t('trials:reading:Segmentations:table:Version')">
+                </el-table-column>
+                <el-table-column property="FileSize" :label="$t('trials:reading:Segmentations:table:FileSize')">
+                    <template slot-scope="scope">
+                        {{ fileSizeFormatter(scope.row.FileSize) }}
+                    </template>
+                </el-table-column>
+                <el-table-column property="CreateTime" :label="$t('trials:reading:Segmentations:table:CreateTime')">
+                </el-table-column>
+                <el-table-column :label="$t('common:action:action')" align="left" fixed="right">
+                    <template slot-scope="scope">
+                        <el-button type="text" @click.stop="restoreSegmentationVersion(scope.row)">{{
+                            $t('trials:reading:Segmentations:button:recovery')
+                            }}</el-button>
+                    </template>
+                </el-table-column>
+            </el-table>
+            <!-- 分页组件 -->
+            <pagination style="text-align: right;margin-top: 5px;" class="page" :total="total"
+                :page.sync="searchData.PageIndex" :limit.sync="searchData.PageSize"
+                @pagination="getSegmentationVersionList(segmentationId)" />
+        </el-dialog>
     </div>
 </template>
 <script>
-import { changeSegmentationSavedStatus, getSegmentationList, addOrUpdateSegmentation, deleteSegmentation, getSegmentList, addOrUpdateSegment, deleteSegment, getSegmentBindingList, saveSegmentBindingAndAnswer, getReadingTableQuestionTrialById, getReadingQuestionTrialById, lockOrUnLockSegment } from '@/api/reading'
+import { changeSegmentationSavedStatus, getSegmentationList, addOrUpdateSegmentation, deleteSegmentation, getSegmentList, addOrUpdateSegment, deleteSegment, getSegmentBindingList, saveSegmentBindingAndAnswer, getReadingTableQuestionTrialById, getReadingQuestionTrialById, lockOrUnLockSegment, restoreSegmentationVersion, getSegmentationVersionList } from '@/api/reading'
 import * as cornerstoneTools from '@cornerstonejs/tools';
 import * as cornerstone from "@cornerstonejs/core";
 import dcmjs from '@/utils/dcmUpload/dcmjs'
@@ -290,6 +321,7 @@ import cornerstoneDICOMImageLoader from '@cornerstonejs/dicom-image-loader'
 import DicomEvent from '@/views/trials/trials-panel/reading/dicoms/components/DicomEvent'
 import { getCustomizeStandardsSegmentDicomTools } from './toolConfig'
 import * as polySeg from '@cornerstonejs/polymorphic-segmentation'
+import Pagination from '@/components/Pagination'
 cornerstoneTools.init({ addons: { polySeg } })
 const {
     ToolGroupManager,
@@ -307,8 +339,20 @@ const { segmentation: segmentationUtils } = CStUtils;
 const { cache, getRenderingEngine, imageLoader, eventTarget, metaData, utilities: csUtils, volumeLoader } = cornerstone;
 // const { downloadDICOMData } = cornerstoneAdapters.helpers;
 const { Cornerstone3D } = cornerstoneAdapters.adaptersSEG;
+const searchDataDefault = () => {
+    return {
+        SegmentationId: null,
+        PageIndex: 1,
+        PageSize: 20,
+        Asc: false,
+        SortField: '',
+    }
+}
 export default {
     name: "Segmentations",
+    components: {
+        Pagination,
+    },
     props: {
         isMPR: {
             type: Boolean,
@@ -387,6 +431,10 @@ export default {
     },
     data() {
         return {
+            visible: false,
+            recoveryList: [],
+            searchData: searchDataDefault(),
+            total: 0,
             loading: false,
             series: {},
             activeNames: ['tools', 'Segment'],
@@ -518,6 +566,10 @@ export default {
         }
     },
     methods: {
+        fileSizeFormatter(size) {
+            if (!size) return
+            return (size / Math.pow(1024, 2)).toFixed(3) + 'MB'
+        },
         showSurface(item) {
             this.$emit("showSurface", {
                 segmentationId: item.segmentationId,
@@ -742,6 +794,59 @@ export default {
             }
             // this.resetViewport()
         },
+        async restoreSegmentationVersion(row) {
+            try {
+                let confirm = await this.$confirm(this.$t('trials:reading:Segmentations:confirm:CurrentDataIsLoss'))
+                if (!confirm) return false
+                let data = {
+                    SegmentationId: this.segmentationId,
+                    VersionId: row.Id
+                }
+                let res = await restoreSegmentationVersion(data)
+                if (res.IsSuccess) {
+                    segmentation.removeSegmentation(this.segmentationId)
+                    segmentation.state.removeSegmentation(this.segmentationId)
+                    let volume = cache.getVolume(this.segmentationId)
+                    // 1. 销毁 Volume 实例
+                    volume.destroy();
+                    // 2. 从缓存中移除
+                    volume.removeFromCache();
+                    cache.removeImageLoadObject(`wadouri:${this.OSSclientConfig.basePath}${this.curSegmentGroup.segUrl}`)
+                    this.getSegmentation(this.segmentationId)
+                    DicomEvent.$emit('renderSegmentationBychangeSegmention')
+                    this.visible = false
+                }
+                return false
+            } catch (err) {
+                console.log(err)
+                return false
+            }
+        },
+        async getSegmentationVersionList(segmentationId) {
+            try {
+                this.searchData.SegmentationId = segmentationId || this.segmentationId
+                let res = await getSegmentationVersionList(this.searchData)
+                if (res.IsSuccess) {
+                    this.recoveryList = res.Result.CurrentPageData
+                    // this.visible = true
+                    this.total = res.Result.TotalCount
+                    return true
+                }
+                return false
+            } catch (err) {
+                console.log(err)
+                return false
+            }
+        },
+        async recoverySegmentGroup() {
+            try {
+                let res = await this.getSegmentationVersionList(this.segmentationId)
+                if (!res) return this.$message.warning(this.$t("trials:reading:Segmentations:message:getSegmentationVersionFail"))
+                this.visible = true
+            } catch (err) {
+                console.log(err)
+            }
+        },
         selectSegmentGroup(s) {
             // segmentation.activeSegmentation.setActiveSegmentation(`${this.viewportKey}-${this.activeViewportIndex}`, this.segmentationId)
             this.$emit('setToolsPassive')
@@ -1558,6 +1663,7 @@ export default {
                         segmentGroup.segUrl = this.$getObjectName(result.url)
                         DicomEvent.$emit("IsBeSegment", { StudyId: this.series.StudyId, Id: this.series.Id, IsBeSegment: true })
                     } else {
+                        blob = { size: 0 }
                         segmentGroup.segUrl = null
                     }
 
@@ -1688,7 +1794,7 @@ export default {
         },
         // 新增或修改分割组
         async addOrUpdateSegmentation(item) {
-            let { name, id, url } = item
+            let { name, id, url, size } = item
             try {
                 let data = {
                     SegmentationName: name,
@@ -1701,6 +1807,7 @@ export default {
                 }
                 if (url) data.SegUrl = url;
                 if (id) data.Id = id;
+                if (size) data.FileSize = size;
                 this.loading = true;
                 let res = await addOrUpdateSegmentation(data);
                 this.loading = false;
@@ -1712,8 +1819,64 @@ export default {
                 console.log(err)
             }
         },
+        async getSegmentation(segmentationId) {
+            try {
+                this.$emit('setToolsPassive')
+                let data = {
+                    SeriesId: this.series.Id,
+                    VisitTaskId: this.series.TaskInfo.VisitTaskId,
+                    PageSize: 9999,
+                    PageIndex: 1,
+                }
+                this.loading = true;
+                let res = await getSegmentationList(data);
+                this.loading = false;
+                if (res.IsSuccess) {
+                    // this.segmentList = []
+                    // this.segmentationId = null;
+                    // this.segmentIndex = null;
+                    let list = res.Result.CurrentPageData;
+                    for (let i = 0; i < list.length; i++) {
+                        let item = list[i]
+                        if (item.Id !== segmentationId) continue;
+                        let obj = this.segmentList.find(i => i.segmentationId === item.Id)
+                        if (!obj) continue;
+                        obj.name = item.SegmentationName;
+                        obj.segUrl = item.SEGUrl;
+                        obj.isSaved = item.IsSaved;
+                        obj.segmentationId = item.Id;
+                        obj.segments = []
+                        if (!this.segmentationId) {
+                            this.segmentationId = obj.segmentationId
+                        }
+                        let segments = await this.getSegmentList(item.Id)
+                        segments.forEach((s, index) => {
+                            let SegmentJson = s.SegmentJson ? JSON.parse(s.SegmentJson) : {};
+                            let o = {
+                                segmentIndex: s.SegmentNumber,
+                                segmentationId: s.SegmentationId,
+                                SegmentLabel: s.SegmentName,
+                                color: s.ColorRgb,
+                                stats: SegmentJson.stats,
+                                bidirectional: SegmentJson.bidirectional,
+                                bidirectionalView: true,
+                                view: true,
+                                lock: s.IsLock,
+                                id: s.Id
+                            }
+                            obj.segments.push(o)
+
+                        })
+                        this.segmentIndex = obj.segments[0].segmentIndex
+                    }
+                    this.isloaded = false
+                }
+            } catch (err) {
+                console.log(err)
+            }
+        },
         // 获取分割组
-        async getSegmentationList(SEGMENT = null) {
+        async getSegmentationList() {
             try {
                 this.$emit('setToolsPassive')
                 let data = {
@@ -1998,6 +2161,21 @@ export default {
 }
 </script>
 <style lang="scss" scoped>
+::v-deep .el-table th.el-table__cell {
+    background-color: #1e1e1e;
+}
+
+::v-deep .el-table tr {
+    background-color: #1e1e1e;
+    color: #fff;
+}
+
+::v-deep .hover-row>td.el-table__cell {
+    background-color: #1e1e1e !important;
+    // opacity: 0.5;
+    color: #fff;
+}
+
 .Segmentations {
     height: 100%;
     position: relative;
diff --git a/src/views/trials/trials-panel/reading/dicoms3D/components/VolumeViewport.vue b/src/views/trials/trials-panel/reading/dicoms3D/components/VolumeViewport.vue
index bd295701..d0d2abd3 100644
--- a/src/views/trials/trials-panel/reading/dicoms3D/components/VolumeViewport.vue
+++ b/src/views/trials/trials-panel/reading/dicoms3D/components/VolumeViewport.vue
@@ -59,10 +59,10 @@
         <div v-if="series" class="right-bottom-text">
             <div v-show="imageInfo.location">Location: {{
                 `${Number(imageInfo.location).toFixed(digitPlaces)} mm`
-            }}</div>
+                }}</div>
             <div v-show="imageInfo.sliceThickness">Slice Thickness: {{
                 `${Number(imageInfo.sliceThickness).toFixed(digitPlaces)} mm`
-            }}</div>
+                }}</div>
             <div v-show="imageInfo.wwwc">WW/WL: {{ imageInfo.wwwc }}</div>
         </div>
         <div class="orientation-top">
@@ -242,6 +242,10 @@ export default {
             if (this.curSegSeries.Id !== this.series.Id || this.curSegSeries.TaskInfo.VisitTaskId !== this.series.TaskInfo.VisitTaskId) return false
             resetViewport(this.viewportId)
         })
+        DicomEvent.$on('renderSegmentationBychangeSegmention', async () => {
+            if (this.curSegSeries.Id !== this.series.Id || this.curSegSeries.TaskInfo.VisitTaskId !== this.series.TaskInfo.VisitTaskId) return false
+            await renderSegmentation(this.series, this.series.TaskInfo, this.viewportId, this.SegmentConfig, this.renderingEngineId, null, this.actionConfiguration, this.segmentationId, this.segmentIndex)
+        })
         DicomEvent.$on('renderSegmentation', async (viewportId) => {
             // if (this.curSegSeries.Id !== this.series.Id || this.curSegSeries.VisitTaskId !== this.series.VisitTaskId) return false
             if (this.viewportId !== viewportId) return false
diff --git a/src/views/trials/trials-panel/reading/dicoms3D/components/helpers/segmentations.js b/src/views/trials/trials-panel/reading/dicoms3D/components/helpers/segmentations.js
index 6a33e468..29865d89 100644
--- a/src/views/trials/trials-panel/reading/dicoms3D/components/helpers/segmentations.js
+++ b/src/views/trials/trials-panel/reading/dicoms3D/components/helpers/segmentations.js
@@ -67,6 +67,7 @@ async function readSegmentation(obj, series, segmentationId, isFile = false) {
         const imageIdObj = await cornerstoneDICOMImageLoader.wadouri.loadImage(`wadouri:${Vue.prototype.OSSclientConfig.basePath}${obj}`).promise
         imageId = imageIdObj.imageId
     }
+    console.log(imageId, 'imageId')
     const image = await imageLoader.loadAndCacheImage(imageId);
 
     if (!image) {