diff --git a/src/views/trials/trials-panel/reading/dicoms/components/DicomViewer.vue b/src/views/trials/trials-panel/reading/dicoms/components/DicomViewer.vue
index ba120a41..6acdf1a2 100644
--- a/src/views/trials/trials-panel/reading/dicoms/components/DicomViewer.vue
+++ b/src/views/trials/trials-panel/reading/dicoms/components/DicomViewer.vue
@@ -1247,7 +1247,8 @@ export default {
             store.dispatch('reading/setActiveSeries', series)
             store.dispatch('reading/setLastCanvasTaskId', series.visitTaskId)
           }
-          this.$refs[`dicomCanvas${index}`][0].loadImageStack(series)
+          const s = Object.assign({}, series)
+          this.$refs[`dicomCanvas${index}`][0].loadImageStack(s)
 
           if (this.activeTool) {
             if (series.isCurrentTask && series.readingTaskState < 2) {
@@ -1270,7 +1271,8 @@ export default {
       this.canvasObj[this.currentDicomCanvasIndex] = dicomSeries
       this.$nextTick(() => {
         this.activeSeries = dicomSeries
-        this.$refs[`dicomCanvas${this.currentDicomCanvasIndex}`][0].loadImageStack(dicomSeries).then(res => {
+        const s = Object.assign({}, dicomSeries)
+        this.$refs[`dicomCanvas${this.currentDicomCanvasIndex}`][0].loadImageStack(s).then(res => {
           if (this.activeTool) {
             if (dicomSeries.isCurrentTask && dicomSeries.readingTaskState < 2) {
               this.$nextTick(() => {
@@ -1331,7 +1333,8 @@ export default {
       // }
       this.$nextTick(() => {
         this.activeSeries = dicomSeries
-        this.$refs[`dicomCanvas${canvasIndex}`][0].loadImageStack(dicomSeries)
+        const s = Object.assign({}, dicomSeries)
+        this.$refs[`dicomCanvas${canvasIndex}`][0].loadImageStack(s)
 
         store.dispatch('reading/setActiveSeries', dicomSeries)
         if (this.currentDicomCanvasIndex === this.maxCanvas - 1) {
@@ -1406,7 +1409,8 @@ export default {
         var promiseArr = []
         for (let i = 0; i < this.maxCanvas && i < seriesStack.length; i++) {
           this.canvasObj[i] = seriesStack[i]
-          promiseArr.push(this.$refs[`dicomCanvas${i}`][0].loadImageStack(seriesStack[i]))
+          const s = Object.assign({}, seriesStack[i])
+          promiseArr.push(this.$refs[`dicomCanvas${i}`][0].loadImageStack(s))
         }
         Promise.all(promiseArr).then(() => {
           // this.activateDicomCanvas(this.currentDicomCanvasIndex)
@@ -1509,12 +1513,14 @@ export default {
 
         for (let i = 0; i < this.maxCanvas; i++) {
           if (i === this.maxCanvas - 1) {
-            loadImagePromises.push(this.$refs[`dicomCanvas${i}`][0].loadImageStack(currentAddSeries))
+            const s = Object.assign({}, currentAddSeries)
+            loadImagePromises.push(this.$refs[`dicomCanvas${i}`][0].loadImageStack(s))
             this.currentDicomCanvasIndex = i
             this.activeSeries = currentAddSeries
             store.dispatch('reading/setActiveSeries', currentAddSeries)
           } else {
-            loadImagePromises.push(this.$refs[`dicomCanvas${i}`][0].loadImageStack(firstAddSeries))
+            const s = Object.assign({}, firstAddSeries)
+            loadImagePromises.push(this.$refs[`dicomCanvas${i}`][0].loadImageStack(s))
           }
         }
         Promise.all(loadImagePromises)
diff --git a/src/views/trials/trials-panel/reading/dicoms/customize/CustomizeDicomViewer.vue b/src/views/trials/trials-panel/reading/dicoms/customize/CustomizeDicomViewer.vue
index c281fdef..e5eb871a 100644
--- a/src/views/trials/trials-panel/reading/dicoms/customize/CustomizeDicomViewer.vue
+++ b/src/views/trials/trials-panel/reading/dicoms/customize/CustomizeDicomViewer.vue
@@ -1335,7 +1335,8 @@ export default {
             store.dispatch('reading/setActiveSeries', series)
             store.dispatch('reading/setLastCanvasTaskId', series.visitTaskId)
           }
-          this.$refs[`dicomCanvas${index}`][0].loadImageStack(series)
+          let s = Object.assign({}, series)
+          this.$refs[`dicomCanvas${index}`][0].loadImageStack(s)
 
           if (this.activeTool) {
             if (series.isCurrentTask && series.readingTaskState < 2) {
@@ -1379,9 +1380,10 @@ export default {
       }
       this.$nextTick(() => {
         this.activeSeries = dicomSeries
+        let s = Object.assign({}, dicomSeries)
         this.$refs[
           `dicomCanvas${this.currentDicomCanvasIndex}`
-        ][0].loadImageStack(dicomSeries)
+        ][0].loadImageStack(s)
         // this.$refs['measurementList'].initPage(dicomSeries)
         store.dispatch('reading/setActiveSeries', dicomSeries)
         if (this.currentDicomCanvasIndex === this.maxCanvas - 1) {
@@ -1414,7 +1416,8 @@ export default {
       }
       this.$nextTick(() => {
         this.activeSeries = dicomSeries
-        this.$refs[`dicomCanvas${canvasIndex}`][0].loadImageStack(dicomSeries)
+        let s = Object.assign({}, dicomSeries)
+        this.$refs[`dicomCanvas${canvasIndex}`][0].loadImageStack(s)
 
         store.dispatch('reading/setActiveSeries', dicomSeries)
         if (this.currentDicomCanvasIndex === this.maxCanvas - 1) {
@@ -1517,8 +1520,9 @@ export default {
         var promiseArr = []
         for (let i = 0; i < this.maxCanvas && i < seriesStack.length; i++) {
           this.canvasObj[i] = seriesStack[i]
+          let s = Object.assign({}, seriesStack[i])
           promiseArr.push(
-            this.$refs[`dicomCanvas${i}`][0].loadImageStack(seriesStack[i])
+            this.$refs[`dicomCanvas${i}`][0].loadImageStack(s)
           )
         }
         Promise.all(promiseArr)
@@ -1638,15 +1642,17 @@ export default {
 
       for (let i = 0; i < this.maxCanvas; i++) {
         if (i === this.maxCanvas - 1) {
+          let s = Object.assign({}, currentAddSeries)
           loadImagePromises.push(
-            this.$refs[`dicomCanvas${i}`][0].loadImageStack(currentAddSeries)
+            this.$refs[`dicomCanvas${i}`][0].loadImageStack(s)
           )
           this.currentDicomCanvasIndex = i
           this.activeSeries = currentAddSeries
           store.dispatch('reading/setActiveSeries', currentAddSeries)
         } else {
+          let s = Object.assign({}, firstAddSeries)
           loadImagePromises.push(
-            this.$refs[`dicomCanvas${i}`][0].loadImageStack(firstAddSeries)
+            this.$refs[`dicomCanvas${i}`][0].loadImageStack(s)
           )
         }
       }