diff --git a/src/views/trials/trials-panel/reading/dicoms3D/components/PetCtViewport.vue b/src/views/trials/trials-panel/reading/dicoms3D/components/PetCtViewport.vue
index f7cf3e3c..0cd2da2d 100644
--- a/src/views/trials/trials-panel/reading/dicoms3D/components/PetCtViewport.vue
+++ b/src/views/trials/trials-panel/reading/dicoms3D/components/PetCtViewport.vue
@@ -14,7 +14,7 @@
       <div v-if="series.Stack && !isMip">Image: #{{ `${series.SliceIndex + 1}/${series.Stack.length}` }}</div>
       <div v-if="!isMip && !isFusion">{{ series.Modality }}</div>
     </div>
-    <div v-if="series && taskInfo && taskInfo.IsReadingTaskViewInOrder === 1 && series.TaskInfo && !isMip && !isFusion"
+    <!-- <div v-if="series && taskInfo && taskInfo.IsReadingTaskViewInOrder === 1 && series.TaskInfo && !isMip && !isFusion"
       class="top-center-tool">
       <div class="toggle-visit-container">
         <div class="arrw_icon"
@@ -33,7 +33,7 @@
           <i class="el-icon-caret-right" />
         </div>
       </div>
-    </div>
+    </div> -->
     <div v-if="series && !isMip && !isFusion" class="right-top-text">
       <div>{{ series.Description }}</div>
     </div>
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 a5891b4c..3286bdae 100644
--- a/src/views/trials/trials-panel/reading/dicoms3D/components/ReadPage.vue
+++ b/src/views/trials/trials-panel/reading/dicoms3D/components/ReadPage.vue
@@ -2168,6 +2168,7 @@ export default {
         let confirm = await this.$confirm(this.$t('trials:reading:confirm:changeStack'))
         if(!confirm) return false
         this.isFusion = false
+        this.fullScreenIndex = null
         this.setToolsPassive()
       }
       if (taskIndex === this.activeTaskIndex) return
@@ -2243,6 +2244,7 @@ export default {
         this.rows = 1
         this.cols = 1
         this.activeViewportIndex = 0
+        this.fullScreenIndex = null
         return this.$refs[`${this.viewportKey}-${this.activeViewportIndex}`][0].setSeriesInfo(obj)
       }
       this.$refs[`${this.viewportKey}-${this.activeViewportIndex}`][0].setSeriesInfo(obj)
@@ -3062,6 +3064,7 @@ export default {
             display: flex;
             align-items: center;
             justify-content: center;
+            z-index: 1;
           }
           .cell_active {
             border-color: #fafa00!important;
@@ -3069,6 +3072,7 @@ export default {
           .cell-full-screen {
             grid-column: 1 / -1;
             grid-row: 1 / -1;
+            z-index: 9;
           }
         }
         .form-wrapper {