diff --git a/src/components/PdfPreview/view.vue b/src/components/PdfPreview/view.vue
index 960dc9ec..68124fbb 100644
--- a/src/components/PdfPreview/view.vue
+++ b/src/components/PdfPreview/view.vue
@@ -149,20 +149,21 @@ export default {
       let outerHeight = document.documentElement.clientHeight
       let scrollTop = document.documentElement.scrollTop
       let $this=this;
+      if(this.pdfpage >= this.totalPages){
+        this.isscroll = false;
+        this.moreState = 3;
+      }
+       if(this.showPages >= this.totalPages){
+        this.isscroll = false;
+        this.moreState = 3;
+      }
       if(this.isscroll){
         this.showPages++
         this.moreState = 2;
           // this.debounce(this.loadInitPdf($this.filePath),5000);
           //  this.debounce(,200000);
       }
-     if(this.pdfpage >= this.totalPages){
-        this.isscroll = false;
-        this.moreState = 3;
-     }
-       if(this.showPages >= this.totalPages){
-        this.isscroll = false;
-        this.moreState = 3;
-     }
+
         //  if(scrollTop > 400) {
         //   document.querySelector('#articleAnking').style.cssText = "position: fixed;top: 0;width:242.5px";
         // } else {