diff --git a/visualdev/Tnb.VisualDev.Engine/Core/FormDataParsing.cs b/visualdev/Tnb.VisualDev.Engine/Core/FormDataParsing.cs
index b838c767..90b5c930 100644
--- a/visualdev/Tnb.VisualDev.Engine/Core/FormDataParsing.cs
+++ b/visualdev/Tnb.VisualDev.Engine/Core/FormDataParsing.cs
@@ -119,7 +119,8 @@ public class FormDataParsing : ITransient
                     {
                         var len = data.ToString().Split('.').Last().Length;
                         if (fieldsModel.precision > len) fieldsModel.precision = len;
-                        conversionData = data.ToString().Substring(0, data.ToString().IndexOf(".") + (int)fieldsModel.precision);
+                        conversionData = data.ToString().Substring(0, data.ToString().IndexOf(".") + (int)fieldsModel.precision + 1);//modifyby zhoukeda 20230512 增加+1
+                        conversionData = data.ParseToDouble();//modifyby zhoukeda 20230512
                     }
                     else conversionData = data;
                     break;