毛利率

biz-ghs/product/classes/ProductClass.php

@@ -242,7 +242,7 @@ class ProductClass extends BaseClass
                 $mll = 0;
             } else {
                 $profit = bcsub($price, $cost, 2);
-                $mll = bcdiv($profit, $cost, 3);
+                $mll = bcdiv($profit, $price, 3);
                 $mll = bcmul($mll, 100);
                 $mll = round($mll, 1);
             }