修改获取单价的金额格式

core/CoreApp/models/Model_api.php

@@ -901,7 +901,7 @@ function __construct(){
 			$discount_amount = isset($tmp_discount_amount[$k])?$tmp_discount_amount[$k]:0;
 			$extra_price[$k] = [
 				'qty'=>$qty,
-				'price'=>$price,
+				'price'=>sprintf("%.2f",$price),
 				'row_total'=> sprintf("%.2f",($row_total*1 - $discount_amount*1 + $tax_amount*1)) ,
 				'sub_total'=>$price*$qty,
 				'tax_amount'=>$tax_amount,