diff --git a/src/views/dicom-show/dicom-study.vue b/src/views/dicom-show/dicom-study.vue
index 909b86e8..b7682df9 100644
--- a/src/views/dicom-show/dicom-study.vue
+++ b/src/views/dicom-show/dicom-study.vue
@@ -196,6 +196,7 @@ export default {
     }
   },
   created: function() {
+    requestPoolManager.resetRequestPool()
     this.type = this.$router.currentRoute.query.type ? this.$router.currentRoute.query.type : ''
 
     this.visitNum = this.$router.currentRoute.query.visitNum ? parseInt(this.$router.currentRoute.query.visitNum) : 0
@@ -217,9 +218,17 @@ export default {
       this.loadStudy()
     }
     cornerstone.events.addEventListener('cornerstoneimageloadprogress', this.cornerstoneimageloadprogress)
+    window.addEventListener('beforeunload', e => {
+      cornerstone.imageCache.purgeCache()
+      requestPoolManager.resetRequestPool()
+    })
   },
   beforeDestroy() {
     requestPoolManager.stopTaskTimer()
+    window.removeEventListener('beforeunload', e => { 
+      cornerstone.imageCache.purgeCache() 
+      requestPoolManager.resetRequestPool()
+    })
   },
   methods: {
     loadStudy() {
diff --git a/src/views/dicom-show/dicom-visit.vue b/src/views/dicom-show/dicom-visit.vue
index 837079eb..d0a59869 100644
--- a/src/views/dicom-show/dicom-visit.vue
+++ b/src/views/dicom-show/dicom-visit.vue
@@ -300,6 +300,7 @@ export default {
     }
   },
   mounted() {
+    requestPoolManager.resetRequestPool()
     document.documentElement.style.userSelect = 'none'
     if (this.$router.currentRoute.query.TokenKey) {
       store.dispatch('user/setToken', this.$router.currentRoute.query.TokenKey)
@@ -314,9 +315,17 @@ export default {
     // cornerstone.events.addEventListener('cornerstoneimageloaded', this.cornerstoneImageLoaded)
     this.getStudiesInfo()
     cornerstone.events.addEventListener('cornerstoneimageloadprogress', this.cornerstoneimageloadprogress)
+    window.addEventListener('beforeunload', e => {
+      cornerstone.imageCache.purgeCache()
+      requestPoolManager.resetRequestPool()
+    })
   },
   beforeDestroy() {
     requestPoolManager.stopTaskTimer()
+    window.removeEventListener('beforeunload', e => { 
+      cornerstone.imageCache.purgeCache() 
+      requestPoolManager.resetRequestPool()
+    })
   },
   methods: {
     // 获取某个访视下所有的检查信息