diff --git a/Src/Asp.Net/SqlSugar/Abstract/AdoProvider/AdoProvider.cs b/Src/Asp.Net/SqlSugar/Abstract/AdoProvider/AdoProvider.cs
index 38f3ccfb4..414c4f617 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/AdoProvider/AdoProvider.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/AdoProvider/AdoProvider.cs
@@ -31,6 +31,7 @@ namespace SqlSugar
         #endregion
 
         #region Properties
+        public virtual bool IsNoSql { get; set; }
         internal bool IsOpenAsync { get; set; }
         protected List<IDataParameter> OutputParameters { get; set; }
         public virtual string SqlParameterKeyWord { get { return "@"; } }
diff --git a/Src/Asp.Net/SqlSugar/Abstract/DbBindProvider/DbBindAccessory.cs b/Src/Asp.Net/SqlSugar/Abstract/DbBindProvider/DbBindAccessory.cs
index 980b85dae..dd3254b5d 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/DbBindProvider/DbBindAccessory.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/DbBindProvider/DbBindAccessory.cs
@@ -281,7 +281,14 @@ namespace SqlSugar
                     sbTypes.Append(type.Name.Substring(0, 2));
                 }
             }
-            types = sbTypes.ToString();
+            types = sbTypes.ToString(); 
+            if (this.QueryBuilder?.Context?.Ado is AdoProvider adoProvider)
+            {
+                if (adoProvider.IsNoSql) 
+                {
+                    types = "NoSql";
+                }
+            }
             return keys;
         }
 
diff --git a/Src/Asp.Net/SqlSugar/Abstract/DbBindProvider/IDataReaderEntityBuilder.cs b/Src/Asp.Net/SqlSugar/Abstract/DbBindProvider/IDataReaderEntityBuilder.cs
index 6a002ba7c..e8e4ce374 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/DbBindProvider/IDataReaderEntityBuilder.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/DbBindProvider/IDataReaderEntityBuilder.cs
@@ -300,6 +300,21 @@ namespace SqlSugar
             validPropertyName = validPropertyName == "byte[]" ? "byteArray" : validPropertyName;
             CSharpDataType validPropertyType = (CSharpDataType)Enum.Parse(typeof(CSharpDataType), validPropertyName);
 
+            #region NoSql
+            if (this.Context.Ado is AdoProvider provider) 
+            {
+                if (provider.IsNoSql) 
+                {
+                    method = isNullableType ? getOtherNull.MakeGenericMethod(bindPropertyType) : getOther.MakeGenericMethod(bindPropertyType);
+                    if (method.IsVirtual)
+                        generator.Emit(OpCodes.Callvirt, method);
+                    else
+                        generator.Emit(OpCodes.Call, method);
+                    return;
+                }
+            }
+            #endregion
+
             #region Sqlite Logic
             if (this.Context.CurrentConnectionConfig.DbType == DbType.Sqlite)
             {
diff --git a/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryMethodInfo.cs b/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryMethodInfo.cs
index f760439ff..a36a08c4f 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryMethodInfo.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryMethodInfo.cs
@@ -4,6 +4,7 @@ using System.Data;
 using System.Linq;
 using System.Reflection;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 
 
@@ -30,6 +31,10 @@ namespace SqlSugar
         public QueryMethodInfo AS(string tableName)
         {
             string shortName = $"{tableName}_1";
+            if (!Regex.IsMatch(shortName, @"^\w+$")) 
+            {
+                shortName = "maintable";
+            }
             var method = QueryableObj.GetType().GetMyMethod("AS", 2, typeof(string), typeof(string));
             this.QueryableObj = method.Invoke(QueryableObj, new object[] { tableName, shortName });
             return this;
diff --git a/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MemberInitExpressionResolve.cs b/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MemberInitExpressionResolve.cs
index 42e5d1198..16e5f31bf 100644
--- a/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MemberInitExpressionResolve.cs
+++ b/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MemberInitExpressionResolve.cs
@@ -156,6 +156,14 @@ namespace SqlSugar
                     string parameterName = this.Context.SqlParameterKeyWord + ExpressionConst.Const + this.Context.ParameterIndex;
                     parameter.Context.Result.Append(base.Context.GetEqString(memberName, parameterName));
                     var addItem = new SugarParameter(parameterName, parameter.CommonTempData);
+                    if (addItem.Value == null&&item.Type?.Name== "Nullable`1") 
+                    {
+                        var genericType = item.Type?.GenericTypeArguments?.FirstOrDefault();
+                        if (genericType != null) 
+                        {
+                            addItem.DbType = new SugarParameter(parameterName, UtilMethods.GetDefaultValue(genericType)).DbType;
+                        }
+                    }
                     ConvertParameterTypeByType(item, addItem);
 
                     this.Context.Parameters.Add(addItem);