【修复】修复mysql下【订单报表】按天计算回调数据为空的问题。

CoreCms.Net.Services/Financial/CoreCmsReportsServices.cs

@@ -83,7 +83,7 @@ namespace CoreCms.Net.Services
                     select * from CoreCmsOrder
                 where 1 = 1
                 " + where + @"
-                    ) o on tmp_x.x = ((cast(date(o." + joinVal + @") as signed) - " + sTime.ToString("yyyy-MM-dd") + @") div(" + section + @"))
+                    ) o on tmp_x.x = ((cast(date(o." + joinVal + @") as signed) - " + sTime.ToString("yyyyMMdd") + @") div(" + section + @"))
                 group by tmp_x.x
                 ";
             }