diff --git a/Src/Asp.NetCore2/SqlSugar.ClickHouseCore/ClickHouse/ClickHouseProvider.cs b/Src/Asp.NetCore2/SqlSugar.ClickHouseCore/ClickHouse/ClickHouseProvider.cs
index 18894a886..d5ff23d29 100644
--- a/Src/Asp.NetCore2/SqlSugar.ClickHouseCore/ClickHouse/ClickHouseProvider.cs
+++ b/Src/Asp.NetCore2/SqlSugar.ClickHouseCore/ClickHouse/ClickHouseProvider.cs
@@ -133,6 +133,10 @@ namespace SqlSugar.ClickHouse
                         param.Value = Guid.Empty;
                     }
                 }
+                if (dbtype.ObjToString() == System.Data.DbType.SByte.ToString())
+                {
+                    dbtype = ClickHouseDbBind.MappingTypesConst.First(it => it.Value == CSharpDataType.@sbyte).Key;
+                }
                 if (param.Value!=null&&param.Value!=DBNull.Value&&dbtype.ObjToString() == System.Data.DbType.Boolean.ToString())
                 {
                     sql = sql.Replace(param.ParameterName, param.Value.ObjToBool()?"1":"0");
diff --git a/Src/Asp.NetCore2/SqlSugar.ClickHouseCore/ClickHouse/DbBind/ClickHouseDbBind.cs b/Src/Asp.NetCore2/SqlSugar.ClickHouseCore/ClickHouse/DbBind/ClickHouseDbBind.cs
index f4c76747e..5ff879b3b 100644
--- a/Src/Asp.NetCore2/SqlSugar.ClickHouseCore/ClickHouse/DbBind/ClickHouseDbBind.cs
+++ b/Src/Asp.NetCore2/SqlSugar.ClickHouseCore/ClickHouse/DbBind/ClickHouseDbBind.cs
@@ -67,8 +67,8 @@ namespace SqlSugar.ClickHouse
                     new KeyValuePair<string, CSharpDataType>("UInt32",CSharpDataType.@int),
                     new KeyValuePair<string, CSharpDataType>("UInt16",CSharpDataType.@short),
                     new KeyValuePair<string, CSharpDataType>("UInt64",CSharpDataType.@long),
-                    new KeyValuePair<string, CSharpDataType>("Int8",CSharpDataType.@int),
-                    new KeyValuePair<string, CSharpDataType>("UInt8",CSharpDataType.@int),
+                    new KeyValuePair<string, CSharpDataType>("Int8",CSharpDataType.@sbyte),
+                    new KeyValuePair<string, CSharpDataType>("UInt8",CSharpDataType.@byte),
                     new KeyValuePair<string, CSharpDataType>("Decimal(38,19)",CSharpDataType.@decimal),
                     new KeyValuePair<string, CSharpDataType>("Decimal",CSharpDataType.@decimal),
                     new KeyValuePair<string, CSharpDataType>("Decimal32",CSharpDataType.@decimal),
diff --git a/Src/Asp.NetCore2/SqlSugar/Enum/ProperyType.cs b/Src/Asp.NetCore2/SqlSugar/Enum/ProperyType.cs
index 9ec673439..2ce145aec 100644
--- a/Src/Asp.NetCore2/SqlSugar/Enum/ProperyType.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Enum/ProperyType.cs
@@ -15,6 +15,7 @@ namespace SqlSugar
         @double,
         @Guid,
         @byte,
+        @sbyte,
         @enum,
         @short,
         @long,
diff --git a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/Common/SugarParameter.cs b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/Common/SugarParameter.cs
index c04b267b3..f0518e03d 100644
--- a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/Common/SugarParameter.cs
+++ b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/Common/SugarParameter.cs
@@ -110,6 +110,10 @@ namespace SqlSugar
             {
                 this.DbType = System.Data.DbType.Byte;
             }
+            else if (type == UtilConstants.SByteType)
+            {
+                this.DbType = System.Data.DbType.SByte;
+            }
             else if (type == UtilConstants.FloatType)
             {
                 this.DbType = System.Data.DbType.Single;
diff --git a/Src/Asp.NetCore2/SqlSugar/Utilities/UtilConstants.cs b/Src/Asp.NetCore2/SqlSugar/Utilities/UtilConstants.cs
index 6387f7f01..5aee5dc5f 100644
--- a/Src/Asp.NetCore2/SqlSugar/Utilities/UtilConstants.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Utilities/UtilConstants.cs
@@ -24,6 +24,7 @@ namespace SqlSugar
         internal static Type BoolType = typeof(bool);
         internal static Type BoolTypeNull = typeof(bool?);
         internal static Type ByteType = typeof(Byte);
+        internal static Type SByteType = typeof(sbyte);
         internal static Type ObjType = typeof(object);
         internal static Type DobType = typeof(double);
         internal static Type FloatType = typeof(float);