diff --git a/src/components/PdfPreview/view.vue b/src/components/PdfPreview/view.vue
index 26ad41cb..8154484e 100644
--- a/src/components/PdfPreview/view.vue
+++ b/src/components/PdfPreview/view.vue
@@ -162,10 +162,11 @@ export default {
       let innerHeight = document.querySelector('#pdf-perView').clientHeight
       let outerHeight = document.documentElement.clientHeight
       let scrollTop = document.documentElement.scrollTop
-        if(this.isscroll){
+      let $this=this;
+      if(this.isscroll){
           this.showPages++;
           this.moreState = 2;
-          this.debounce(this.loadInitPdf(),5000);
+          this.debounce(this.loadInitPdf($this.filePath),5000);
       }
      if(this.pdfpage >= this.totalPages){
         this.isscroll = false;