diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
index a14095742..8daa35ac0 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
@@ -2421,7 +2421,14 @@ namespace SqlSugar
                 if (this.QueryBuilder.AsTables != null && this.QueryBuilder.AsTables.Count==1) 
                 {
                     var tableinfo = this.QueryBuilder.AsTables.First();
-                    this.QueryBuilder.AsTables[tableinfo.Key] =" (SELECT * FROM " +this.QueryBuilder.AsTables.First().Value+")";
+                    if (this.Context.CurrentConnectionConfig?.MoreSettings?.IsWithNoLockQuery == true)
+                    {
+                        this.QueryBuilder.AsTables[tableinfo.Key] = " (SELECT * FROM " + this.QueryBuilder.AsTables.First().Value + $" {SqlWith.NoLock} )";
+                    }
+                    else 
+                    {
+                        this.QueryBuilder.AsTables[tableinfo.Key] = " (SELECT * FROM " + this.QueryBuilder.AsTables.First().Value + ")";
+                    }
                     this.QueryBuilder.SelectValue = this.QueryBuilder.TableShortName +".*";
                 }
             }
diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/SqlBuilderProvider/QueryBuilder.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/SqlBuilderProvider/QueryBuilder.cs
index 221e187fa..da5deae71 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/SqlBuilderProvider/QueryBuilder.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/SqlBuilderProvider/QueryBuilder.cs
@@ -676,7 +676,10 @@ namespace SqlSugar
                 }
                 if (this.TableWithString.HasValue() && this.TableWithString != SqlWith.Null)
                 {
-                    result += TableWithString + UtilConstants.Space;
+                    if (!result.TrimStart().StartsWith("("))
+                    {
+                        result += TableWithString + UtilConstants.Space;
+                    }
                 }
                 if (!this.IsSingle())
                 {
diff --git a/Src/Asp.NetCore2/SqlSugar/Realization/Oracle/OracleProvider.cs b/Src/Asp.NetCore2/SqlSugar/Realization/Oracle/OracleProvider.cs
index 3845234ee..91f2f27d8 100644
--- a/Src/Asp.NetCore2/SqlSugar/Realization/Oracle/OracleProvider.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Realization/Oracle/OracleProvider.cs
@@ -203,6 +203,11 @@ namespace SqlSugar
                     sqlParameter.Value = parameter.Value;
                     sqlParameter.DbType = System.Data.DbType.DateTime;
                 }
+                else if (parameter.DbType == System.Data.DbType.Date)
+                {
+                    sqlParameter.Value = parameter.Value;
+                    sqlParameter.DbType = System.Data.DbType.Date;
+                }
                 else if (parameter.DbType == System.Data.DbType.AnsiStringFixedLength)
                 {
                     sqlParameter.DbType = System.Data.DbType.AnsiStringFixedLength;
diff --git a/Src/Asp.NetCore2/SqlSugar/Realization/PostgreSQL/PostgreSQLProvider.cs b/Src/Asp.NetCore2/SqlSugar/Realization/PostgreSQL/PostgreSQLProvider.cs
index c6e2848b5..41ac202f6 100644
--- a/Src/Asp.NetCore2/SqlSugar/Realization/PostgreSQL/PostgreSQLProvider.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Realization/PostgreSQL/PostgreSQLProvider.cs
@@ -119,6 +119,10 @@ namespace SqlSugar
                         {
                             sqlParameter.NpgsqlDbType = NpgsqlDbType.Integer | NpgsqlDbType.Array;
                         }
+                        else if (parameter.DbType.IsIn(System.Data.DbType.Int16))
+                        {
+                            sqlParameter.NpgsqlDbType = NpgsqlDbType.Smallint | NpgsqlDbType.Array;
+                        }
                         else if (parameter.DbType.IsIn(System.Data.DbType.Int64))
                         {
                             sqlParameter.NpgsqlDbType = NpgsqlDbType.Bigint | NpgsqlDbType.Array;