diff --git a/src/components/PdfViewer/A4Viewer.vue b/src/components/PdfViewer/A4Viewer.vue
index b932bf12..47568452 100644
--- a/src/components/PdfViewer/A4Viewer.vue
+++ b/src/components/PdfViewer/A4Viewer.vue
@@ -184,8 +184,8 @@ export default {
     },
     showFirstFile(){
       if(this.isA4){
-        this.scale=75;
-        this.preScale=75;
+        this.scale=50;
+        this.preScale=50;
         this.pageCount=this.cacheA4FileList.length;
         setTimeout( this.showA4Page(this.cacheA4FileList.length),3000);
       }else{
@@ -409,8 +409,9 @@ export default {
 
   .grid2 {
   height: 200px;
-  background-image: radial-gradient(circle, rgb(165, 165, 165) 1px, #fff 1px);
-  background-size: 20px 20px;
+  // background-image: radial-gradient(circle, rgb(165, 165, 165) 1px, #fff 1px);
+  background-image: radial-gradient(circle, #4a4a4a 1px, #3f3f3f 1px);
+  background-size: 15px 15px;
   background-position: center center;
 }
 
diff --git a/src/components/PdfViewer/viewer.vue b/src/components/PdfViewer/viewer.vue
index 5b2bfdb6..78642f22 100644
--- a/src/components/PdfViewer/viewer.vue
+++ b/src/components/PdfViewer/viewer.vue
@@ -39,8 +39,6 @@
         </div>
       </div>
       <div style="min-height:1600px;margin: 0 auto;overflow: auto;">
-           <!-- <el-scrollbar style="height:800px"> -->
-           <!-- </el-scrollbar> -->
           <div class="pdf-wrapper">
                   <pdf
                     :src="currentPdfUrl"
@@ -49,7 +47,6 @@
                     @page-loaded="onPageLoaded($event)"
                     ref="pdf"
                   ></pdf>
-                  <!-- v-drag -->
           </div>
 
 
@@ -103,9 +100,8 @@ export default {
       cacheA4FileList:[],
       thisPageCount:1,
 
-
-      scale: 20,
-      preScale: 20,
+      scale: 30,
+      preScale: 30,
 
       pdfUtils:new PdfUtils(),
 
@@ -134,7 +130,7 @@ export default {
       if(this.isA4){
         this.doScale(75);
       }else{
-        this.doScale(20);
+        this.doScale(30);
       }
     },
     isLoadComplete(newVal,oldVal){
@@ -191,8 +187,8 @@ export default {
         this.pageCount=this.cacheA4FileList.length;
         setTimeout( this.showA4Page(this.cacheA4FileList.length),3000);
       }else{
-        this.scale=20;
-        this.preScale=20;
+        this.scale=30;
+        this.preScale=30;
         this.pageCount=this.cacheFileList.length;
         setTimeout( this.showSinglePage(1),2000);
       }
@@ -420,8 +416,9 @@ export default {
 
   .grid2 {
   height: 200px;
-  background-image: radial-gradient(circle, rgb(165, 165, 165) 1px, #fff 1px);
-  background-size: 20px 20px;
+  // background-image: radial-gradient(circle, rgb(165, 165, 165) 1px, #fff 1px);
+  background-image: radial-gradient(circle, #4a4a4a 1px, #3f3f3f 1px);
+  background-size: 15px 15px;
   background-position: center center;
 }