fix bug

src/views/multiPage/index.vue

@@ -23,8 +23,8 @@
         <div>{{nomessage}}</div>
       </div>
     </div>
-    <div style="position: absolute;left:10%;top:30%;z-index: 10000000;">
-      <em style="display: block;font-size:50px;color:#f00;opacity: 0.3">{{watermark}}</em>
+    <div style="position: absolute;left:0;top:30%;z-index: 10000000;">
+      <em style="display: block;width:100%;text-align:center;font-size:50px;color:#000;opacity: 0.3">{{watermark}}</em>
     </div>
 
   </div>