Queryable.Select json array bug

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

@@ -34,6 +34,30 @@ namespace OrmTest
             {
                 throw new Exception("unit error");
             }
+            var db = Db;
+            db.CodeFirst.SetStringDefaultLength(200).InitTables(typeof(SqlSugarSelect.TestModel1));
+            db.CodeFirst.SetStringDefaultLength(200).InitTables(typeof(SqlSugarSelect.TestModel2));
+ 
+            #region 加入数据
+            var isadd = !db.Queryable<TestModel1>().Any();
+            if (isadd)
+            {
+                db.Insertable(new SqlSugarSelect.TestModel1
+                {
+                    Ids = new Guid []{ Guid.NewGuid() },
+                    Titlt = "123"
+                }).ExecuteCommand();
+                db.Insertable(new SqlSugarSelect.TestModel2
+                {
+                    Pid = 1
+                }).ExecuteCommand();
+            }
+            #endregion
+            #region 实际搜索代码，Bug所在处
+            var rv = db.Queryable<SqlSugarSelect.TestModel2>()
+                 .LeftJoin<SqlSugarSelect.TestModel1>((a, b) => a.Pid == b.Id)
+                 .Select((a, b) => new { a, b }).ToList();
+            #endregion
         }
     }