diff --git a/FreeSql.Tests/FreeSql.Tests/Sqlite/SqliteCodeFirstTest.cs b/FreeSql.Tests/FreeSql.Tests/Sqlite/SqliteCodeFirstTest.cs
index 1f44d660..3ccd68bc 100644
--- a/FreeSql.Tests/FreeSql.Tests/Sqlite/SqliteCodeFirstTest.cs
+++ b/FreeSql.Tests/FreeSql.Tests/Sqlite/SqliteCodeFirstTest.cs
@@ -335,7 +335,7 @@ namespace FreeSql.Tests.Sqlite
                 ShortNullable = short.MinValue,
                 String = "我是中国人string'\\?!@#$%^&*()_+{}}{~?><<>",
                 Char = 'X',
-                TimeSpan = TimeSpan.FromSeconds(999),
+                TimeSpan = TimeSpan.FromMilliseconds(999500),
                 TimeSpanNullable = TimeSpan.FromSeconds(60),
                 UInt = uint.MaxValue,
                 UIntNullable = uint.MinValue,
diff --git a/Providers/FreeSql.Provider.Sqlite/SqliteCodeFirst.cs b/Providers/FreeSql.Provider.Sqlite/SqliteCodeFirst.cs
index 6845d10d..be6f2f5a 100644
--- a/Providers/FreeSql.Provider.Sqlite/SqliteCodeFirst.cs
+++ b/Providers/FreeSql.Provider.Sqlite/SqliteCodeFirst.cs
@@ -33,7 +33,7 @@ namespace FreeSql.Sqlite
                 { typeof(float).FullName, CsToDb.New(DbType.Single, "float","float NOT NULL", false, false, 0) },{ typeof(float?).FullName, CsToDb.New(DbType.Single, "float","float", false, true, null) },
                 { typeof(decimal).FullName, CsToDb.New(DbType.Decimal, "decimal", "decimal(10,2) NOT NULL", false, false, 0) },{ typeof(decimal?).FullName, CsToDb.New(DbType.Decimal, "decimal", "decimal(10,2)", false, true, null) },
 
-                { typeof(TimeSpan).FullName, CsToDb.New(DbType.Time, "bigint","bigint NOT NULL", false, false, 0) },{ typeof(TimeSpan?).FullName, CsToDb.New(DbType.Time, "bigint", "bigint",false, true, null) },
+                { typeof(TimeSpan).FullName, CsToDb.New(DbType.Time, "decimal","decimal(18,3) NOT NULL", false, false, 0) },{ typeof(TimeSpan?).FullName, CsToDb.New(DbType.Time, "decimal", "decimal(18,3)",false, true, null) },
                 { typeof(DateTime).FullName, CsToDb.New(DbType.DateTime, "datetime", "datetime NOT NULL", false, false, new DateTime(1970,1,1)) },{ typeof(DateTime?).FullName, CsToDb.New(DbType.DateTime, "datetime", "datetime", false, true, null) },
 
                 { typeof(byte[]).FullName, CsToDb.New(DbType.Binary, "blob", "blob", false, null, new byte[0]) },
diff --git a/Providers/FreeSql.Provider.Sqlite/SqliteUtils.cs b/Providers/FreeSql.Provider.Sqlite/SqliteUtils.cs
index 4e036627..631f6cb5 100644
--- a/Providers/FreeSql.Provider.Sqlite/SqliteUtils.cs
+++ b/Providers/FreeSql.Provider.Sqlite/SqliteUtils.cs
@@ -33,8 +33,8 @@ namespace FreeSql.Sqlite
                     break;
                 case DbType.Time:
                     if (value == null) value = null;
-                    else value = ((TimeSpan)value).Ticks / 10000;
-                    dbtype = DbType.Int64;
+                    else value = ((TimeSpan)value).TotalSeconds;
+                    dbtype = DbType.Decimal;
                     break;
             }
 #if MicrosoftData
@@ -65,8 +65,8 @@ namespace FreeSql.Sqlite
                             break;
                         case DbType.Time:
                             if (value == null) value = null;
-                            else value = ((TimeSpan)value).Ticks / 10000;
-                            dbtype = DbType.Int64;
+                            else value = ((TimeSpan)value).TotalSeconds;
+                            dbtype = DbType.Decimal;
                             break;
                     }
                 }