SetColumns Json bug

Src/Asp.Net/SqlServerTest/UnitTest/UJson.cs

@@ -21,6 +21,11 @@ namespace OrmTest
             list= Db.Queryable<UnitJsonTest>().ToList();
             UValidate.Check("order2", list.First().Order.Name, "Json");
             var list2 = Db.Queryable<UnitJsonTest>().ToList();
+            var x = new Order() { Name="a" };
+            Db.Updateable<UnitJsonTest2>()
+                 .SetColumns(it => it.Name=="a")
+                 .Where(it=>it.Id==1)
+                 .ExecuteCommand();
         }
     }
 
@@ -30,6 +35,8 @@ namespace OrmTest
         public int Id { get; set; }
         [SqlSugar.SugarColumn(IsJson = true)]
         public Order Order { get; set; }
+        [SqlSugar.SugarColumn(IsNullable =true)]
+        public string Name { get; set; }
     }
     public class UnitJsonTest
     {

Src/Asp.Net/SqlSugar/Abstract/UpdateProvider/UpdateableProvider.cs

@@ -316,7 +316,7 @@ namespace SqlSugar
         public IUpdateable<T> SetColumns(Expression<Func<T, bool>> columns)
         {
             ThrowUpdateByObject();
-            CheckTranscodeing();
+
             var binaryExp = columns.Body as BinaryExpression;
             Check.Exception(!binaryExp.NodeType.IsIn(ExpressionType.Equal), "No support {0}", columns.ToString());
             Check.Exception(!(binaryExp.Left is MemberExpression) && !(binaryExp.Left is UnaryExpression), "No support {0}", columns.ToString());
@@ -327,6 +327,12 @@ namespace SqlSugar
                 expResult = Regex.Split(expResult, " IS NULL  ")[0]+" = NULL ";
             }
             string key = SqlBuilder.GetNoTranslationColumnName(expResult);
+
+            if (EntityInfo.Columns.Where(it=>it.IsJson||it.IsTranscoding).Any(it => it.DbColumnName.EqualCase(key) || it.PropertyName.EqualCase(key)))
+            {
+                CheckTranscodeing();
+            }
+
             UpdateBuilder.SetValues.Add(new KeyValuePair<string, string>(SqlBuilder.GetTranslationColumnName(key), expResult));
             this.UpdateBuilder.DbColumnInfoList = this.UpdateBuilder.DbColumnInfoList.Where(it => (UpdateParameterIsNull == false && IsPrimaryKey(it)) || UpdateBuilder.SetValues.Any(v => SqlBuilder.GetNoTranslationColumnName(v.Key).Equals(it.DbColumnName, StringComparison.CurrentCultureIgnoreCase) || SqlBuilder.GetNoTranslationColumnName(v.Key).Equals(it.PropertyName, StringComparison.CurrentCultureIgnoreCase)) || it.IsPrimarykey == true).ToList();
             AppendSets();

Src/Asp.Net/SqlSugar/Utilities/UtilConvert.cs

@@ -55,7 +55,17 @@ namespace SqlSugar
             }
             return errorValue;
         }
-
+        public static bool EqualCase(this string thisValue,string equalValue) 
+        {
+            if ( thisValue!=null && equalValue != null)
+            {
+                return thisValue.ToLower() == equalValue.ToLower();
+            }
+            else 
+            {
+                return thisValue == equalValue;
+            }
+        }
         public static string ObjToString(this object thisValue)
         {
             if (thisValue != null) return thisValue.ToString().Trim();