diff --git a/SGGL/FineUIPro.Web/common/main_new0.aspx.cs b/SGGL/FineUIPro.Web/common/main_new0.aspx.cs
index 602f5250..e89c0e3c 100644
--- a/SGGL/FineUIPro.Web/common/main_new0.aspx.cs
+++ b/SGGL/FineUIPro.Web/common/main_new0.aspx.cs
@@ -346,6 +346,9 @@ namespace FineUIPro.Web.common
         public static string GetMajorZgl()
         {
             var num1 = Math.Round(100.0 * GetMajorClosedNum() / (GetMajorClosedNum() + GetMajorNotClosedNum()), 0).ToString();
+            if (num1 == "NaN") num1 = "0";
+
+
             return num1;
         }