edit

front/static/document.js

@@ -176,11 +176,6 @@ var Document =
         var w = c.width();
         var b = w/self.width;
         if (self.left) {
-            if (w - self.width > 10) {
-                var z = 100/b;
-                $(self.option.reader).css('zoom', z + '%');
-            }
-            
             c = c.children().eq(0);
             e = c.children().eq(0);
             if (!e.length) {
@@ -196,8 +191,17 @@ var Document =
                 }
             }
             
-            self.left = left * -1 + 10;
-            //$(self.option.reader).css('margin-left', self.left);
+            self.left = left * -1;
+            self.zoom = 0;
+            if (self.left) {
+                $(self.option.reader).css('margin-left', self.left);
+                self.zoom = 10;
+            }
+
+            if (w - self.width > 10) {
+                var z = 100/b + self.zoom;
+                $(self.option.reader).css('zoom', z + '%');
+            }
             
             self.width = w;
         } else {