diff --git a/Examples/base_entity/Program.cs b/Examples/base_entity/Program.cs
index 53db0578..f03b8ed3 100644
--- a/Examples/base_entity/Program.cs
+++ b/Examples/base_entity/Program.cs
@@ -190,8 +190,8 @@ namespace base_entity
 
                 //.UseConnectionString(FreeSql.DataType.SqlServer, "Data Source=.;Integrated Security=True;Initial Catalog=freesqlTest;Pooling=true;Max Pool Size=3;TrustServerCertificate=true")
 
-                .UseConnectionString(FreeSql.DataType.PostgreSQL, "Host=192.168.164.10;Port=5432;Username=postgres;Password=123456;Database=tedb;Pooling=true;Maximum Pool Size=2")
-                .UseNameConvert(FreeSql.Internal.NameConvertType.ToLower)
+                //.UseConnectionString(FreeSql.DataType.PostgreSQL, "Host=192.168.164.10;Port=5432;Username=postgres;Password=123456;Database=tedb;Pooling=true;Maximum Pool Size=2")
+                //.UseNameConvert(FreeSql.Internal.NameConvertType.ToLower)
 
                 //.UseConnectionString(FreeSql.DataType.Oracle, "user id=user1;password=123456;data source=//127.0.0.1:1521/XE;Pooling=true;Max Pool Size=2")
                 //.UseNameConvert(FreeSql.Internal.NameConvertType.ToUpper)
@@ -442,6 +442,14 @@ namespace base_entity
             var sqlat = sqlatb.ToSql();
             var sqlatr = sqlatb.ExecuteAffrows();
 
+            var sqlatc1 = fsql.Delete<AsTableLog>().Where(a => a.id == Guid.NewGuid() && a.createtime == DateTime.Parse("2022-3-8 15:00:13"));
+            var sqlatca1 = sqlatc1.ToSql();
+            var sqlatcr1 = sqlatc1.ExecuteAffrows();
+
+            var sqlatc2 = fsql.Delete<AsTableLog>().Where(a => a.id == Guid.NewGuid() && a.createtime == DateTime.Parse("2021-3-8 15:00:13"));
+            var sqlatca2 = sqlatc2.ToSql();
+            var sqlatcr2 = sqlatc2.ExecuteAffrows();
+
             var sqlatc = fsql.Delete<AsTableLog>().Where(a => a.id == Guid.NewGuid() && a.createtime.Between(DateTime.Parse("2022-3-1"), DateTime.Parse("2022-5-1")));
             var sqlatca = sqlatc.ToSql();
             var sqlatcr = sqlatc.ExecuteAffrows();
diff --git a/FreeSql/DataAnnotations/TableAttribute.cs b/FreeSql/DataAnnotations/TableAttribute.cs
index 70d1b960..13083586 100644
--- a/FreeSql/DataAnnotations/TableAttribute.cs
+++ b/FreeSql/DataAnnotations/TableAttribute.cs
@@ -222,8 +222,8 @@ namespace FreeSql.DataAnnotations
                     new Regex($@"{cn}\s*(<|<=|>|>=)\s*'([^']+)'\s*and\s*{cn}\s*(<|<=|>|>=)\s*'([^']+)'", RegexOptions.IgnoreCase), //预留暂时不用
                     new Regex($@"{cn}\s*(<|<=|>|>=)\s*{qpn}([\w_]+)\s*and\s*{cn}\s*(<|<=|>|>=)\s*{qpn}([\w_]+)", RegexOptions.IgnoreCase),
 
-                    new Regex($@"{cn}\s*(<|<=|>|>=)\s*'([^']+)'", RegexOptions.IgnoreCase), //预留暂时不用
-                    new Regex($@"{cn}\s*(<|<=|>|>=)\s*{qpn}([\w_]+)", RegexOptions.IgnoreCase),
+                    new Regex($@"{cn}\s*(=|<|<=|>|>=)\s*'([^']+)'", RegexOptions.IgnoreCase), //预留暂时不用
+                    new Regex($@"{cn}\s*(=|<|<=|>|>=)\s*{qpn}([\w_]+)", RegexOptions.IgnoreCase),
                 };
             });
         }
@@ -337,6 +337,8 @@ namespace FreeSql.DataAnnotations
             {
                 switch (m.Groups[1].Value)
                 {
+                    case "=":
+                        return GetTableNamesByColumnValueRange(val1, val1);
                     case "<":
                         val1 = val1.AddSeconds(-1);
                         return GetTableNamesByColumnValueRange(_beginTime, val1);