Update custom type

Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/InsertBuilder.cs

@@ -304,7 +304,7 @@ namespace SqlSugar
                 GetDbColumnIndex++;
                 return pname;
             }
-            else if (columnInfo.PropertyType.Name == "TimeOnly" && name != null && !name.ObjToString().StartsWith(Builder.SqlParameterKeyWord))
+            else if (columnInfo.PropertyType!=null&&columnInfo.PropertyType.Name == "TimeOnly" && name != null && !name.ObjToString().StartsWith(Builder.SqlParameterKeyWord))
             {
                 var timeSpan = UtilMethods.TimeOnlyToTimeSpan(columnInfo.Value);
                 var pname = Builder.SqlParameterKeyWord + columnInfo.DbColumnName + "_ts" + GetDbColumnIndex;

Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/UpdateBuilder.cs

@@ -412,7 +412,7 @@ namespace SqlSugar
                 this.Parameters.Add(p);
                 return p.ParameterName;
             }
-            else if (columnInfo.PropertyType.Name == "TimeOnly" && name != null && !name.ObjToString().StartsWith(Builder.SqlParameterKeyWord))
+            else if (columnInfo.PropertyType!=null&&columnInfo.PropertyType.Name == "TimeOnly" && name != null && !name.ObjToString().StartsWith(Builder.SqlParameterKeyWord))
             {
                 var timeSpan = UtilMethods.TimeOnlyToTimeSpan(columnInfo.Value);
                 var pname = Builder.SqlParameterKeyWord + columnInfo.DbColumnName + "_ts" + GetDbColumnIndex;

Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/ConstantExpressionResolve.cs

@@ -46,7 +46,7 @@ namespace SqlSugar
                 {
                     var member = (exp as MemberExpression);
                     var memberParent = member.Expression;
-                    if (memberParent != null)
+                    if (memberParent != null&& this.Context?.SugarContext?.Context!=null)
                     {
                         var entity = this.Context.SugarContext.Context.EntityMaintenance.GetEntityInfo(memberParent.Type);
                         var columnInfo = entity.Columns.FirstOrDefault(it => it.PropertyName == member.Member.Name);