edit

front/static/document.js

@@ -194,8 +194,8 @@ var Document =
             self.left = left * -1;
             self.zoom = 0;
             if (self.left) {
-                $(self.option.reader).css('margin-left', self.left);
-                self.zoom = 10;
+                //$(self.option.reader).css('margin-left', self.left);
+                self.zoom = 20;
             }
 
             if (w - self.width > 10) {