修改价格四位小数

@@ -378,8 +378,8 @@ class MarketController extends Controller
         $data = Db::name('market_business')->where('market_id', $param['market_id'])->where($where)->order('create_time','desc')
             ->paginate(20)
         ->each(function($item){
-            $item['price']=sprintf("%.2f",$item['price']);
-            $item['vip_price']=sprintf("%.2f",$item['vip_price']);
+            $item['price']=sprintf("%.4f",$item['price']);
+            $item['vip_price']=sprintf("%.4f",$item['vip_price']);
             return $item;
         });