diff --git a/Src/Asp.NetCore2/SqlSugar.TDengineCore/TDengine/DbBind/TDengineDbBind.cs b/Src/Asp.NetCore2/SqlSugar.TDengineCore/TDengine/DbBind/TDengineDbBind.cs
index 80fe306e6..eb42dc091 100644
--- a/Src/Asp.NetCore2/SqlSugar.TDengineCore/TDengine/DbBind/TDengineDbBind.cs
+++ b/Src/Asp.NetCore2/SqlSugar.TDengineCore/TDengine/DbBind/TDengineDbBind.cs
@@ -27,7 +27,7 @@ namespace SqlSugar.TDengine
                 return "varchar";
         }
         public override string GetPropertyTypeName(string dbTypeName)
-        { 
+        {
             if (dbTypeName.ToLower() == "int32")
             {
                 dbTypeName = "int";
@@ -44,10 +44,14 @@ namespace SqlSugar.TDengine
             {
                 dbTypeName = "string";
             }
-            else if (dbTypeName.ToLower() == "boolean") 
+            else if (dbTypeName.ToLower() == "boolean")
             {
                 dbTypeName = "bool";
             }
+            else if (dbTypeName.ToLower() == "sbyte") 
+            {
+                dbTypeName = "sbyte";
+            }
             return dbTypeName;
         }
         public override List<KeyValuePair<string, CSharpDataType>> MappingTypes
diff --git a/Src/Asp.NetCore2/TDengineTest/Demo/ORMTest.cs b/Src/Asp.NetCore2/TDengineTest/Demo/ORMTest.cs
index 4abb29568..d1fd797f7 100644
--- a/Src/Asp.NetCore2/TDengineTest/Demo/ORMTest.cs
+++ b/Src/Asp.NetCore2/TDengineTest/Demo/ORMTest.cs
@@ -24,11 +24,20 @@ namespace OrmTest
                 {
                     OnLogExecuting = (sql, p) =>
                     {
-                        Console.WriteLine(UtilMethods.GetNativeSql(sql,p)); 
+                        Console.WriteLine(UtilMethods.GetNativeSql(sql, p));
                     }
                 }
             });
+             
+            //简单用例
+            Demo1(db);
 
+            //测试用例
+            UnitTest(db);
+        }
+
+        private static void Demo1(SqlSugarClient db)
+        {
             //建库
             db.DbMaintenance.CreateDatabase();
 
@@ -64,10 +73,10 @@ namespace OrmTest
             var list = db.Queryable<MyTable02>().OrderBy(it => it.ts).ToList();
 
             //条件查询
-            var list2 = db.Queryable<MyTable02>().Where(it => it.name== "测试2").ToList();
+            var list2 = db.Queryable<MyTable02>().Where(it => it.name == "测试2").ToList();
             var list22 = db.Queryable<MyTable02>().Where(it => it.voltage == 222).ToList();
             var list222 = db.Queryable<MyTable02>().Where(it => it.phase == 1.2).ToList();
-            var list2222 = db.Queryable<MyTable02>().Where(it => it.isdelete==true).ToList();
+            var list2222 = db.Queryable<MyTable02>().Where(it => it.isdelete == true).ToList();
 
             //模糊查询
             var list3 = db.Queryable<MyTable02>().Where(it => it.name.Contains("a")).ToList();
@@ -99,6 +108,21 @@ namespace OrmTest
 
             var list100 = db.Queryable<MyTable02>().ToListAsync().GetAwaiter().GetResult();
         }
+        private static void UnitTest(SqlSugarClient db)
+        {
+            //更多类型查询测试
+            db.Ado.ExecuteCommand(@"
+                                CREATE STABLE IF NOT EXISTS  `fc_data` (
+                                `upload_time` TIMESTAMP, 
+                                `voltage` SMALLINT,
+                                `temperature` FLOAT,
+                                `data_id` SMALLINT,
+                                `speed_hex` VARCHAR(80),
+                                `gateway_mac` VARCHAR(8),
+                                `ruminate` SMALLINT, 
+                                `rssi` TINYINT) TAGS (`tag_id` VARCHAR(12))");
+            var list=db.Queryable<fc_data>().ToList(); 
+        }
 
         private static List<MyTable02> GetInsertDatas()
         {
@@ -138,7 +162,28 @@ namespace OrmTest
             }
             };
         }
+        public class fc_data
+        {
+            public DateTime upload_time { get; set; }
 
+            public int voltage { get; set; }
+
+            public float temperature { get; set; }
+
+            public int data_id { get; set; }
+
+
+            public string speed_hex { get; set; }
+
+
+            public string gateway_mac { get; set; }
+
+
+            public int ruminate { get; set; }
+
+            public sbyte rssi { get; set; }
+
+        }
         public class MyTable02
         {
             [SugarColumn(IsPrimaryKey =true)]