diff --git a/src/views/components/canvasPreview.vue b/src/views/components/canvasPreview.vue
index 18d11f0..5b7f734 100644
--- a/src/views/components/canvasPreview.vue
+++ b/src/views/components/canvasPreview.vue
@@ -91,7 +91,6 @@ export default {
     // }
   },
   methods: {
-
     initCanvasPreview(drawinfo) {
       if (!this.currentMarkData) {
         console.error('currentMarkData is null or undefined')
@@ -196,6 +195,7 @@ export default {
                 'id': e.target.id,
                 'name': e.target.name
               }
+              console.log('this.tooltipInfo', this.tooltipInfo)
               // this.set({ opacity: 0.3, hoverCursor: 'pointer' })
 
               if (self.pagePreview === 'floor') {
diff --git a/src/views/visualCheck/checkManage/dataScreening/index.vue b/src/views/visualCheck/checkManage/dataScreening/index.vue
index 4fef52a..a9389fe 100644
--- a/src/views/visualCheck/checkManage/dataScreening/index.vue
+++ b/src/views/visualCheck/checkManage/dataScreening/index.vue
@@ -191,6 +191,11 @@ export default {
       return true
     },
     changeActiveTab(index) {
+      if (this.$refs.previewRefs.canvasPreview.lowerCanvasEl) {
+        this.$refs.previewRefs.canvasPreview.clear()
+        this.$refs.previewRefs.canvasPreview.dispose()
+      }
+      this.allCoverData = []
       this.tabIndex = index
       const params = {
         'floorId': this.floorOptions[index].id
@@ -217,11 +222,14 @@ export default {
             }
           })
           const imgInfo = JSON.parse(this.allCoverData[0].signPoint).imgInfo
+
           const result = {
             pointInfo: parsedSignPoints,
             imgInfo: imgInfo
           }
+          console.log('result', result)
           this.$nextTick(() => {
+            console.log('this.$refs.previewRefs', this.$refs.previewRefs)
             this.$refs.previewRefs.initCanvasPreview(result)
           })
         } else {