diff --git a/FreeSql.Tests/MySql/MySqlCodeFirstTest.cs b/FreeSql.Tests/MySql/MySqlCodeFirstTest.cs
index 0b82e5c7..4e546f8b 100644
--- a/FreeSql.Tests/MySql/MySqlCodeFirstTest.cs
+++ b/FreeSql.Tests/MySql/MySqlCodeFirstTest.cs
@@ -9,6 +9,31 @@ using Xunit;
 namespace FreeSql.Tests.MySql {
 	public class MySqlCodeFirstTest {
 
+		[Fact]
+		public void 中文表_字段() {
+			var sql = g.mysql.CodeFirst.GetComparisonDDLStatements<测试中文表>();
+			g.mysql.CodeFirst.SyncStructure<测试中文表>();
+
+			var item = new 测试中文表 {
+				标题 = "测试标题",
+				创建时间 = DateTime.Now
+			};
+			Assert.Equal(1, g.mysql.Insert<测试中文表>().AppendData(item).ExecuteAffrows());
+			Assert.NotEqual(Guid.Empty, item.编号);
+			var item2 = g.mysql.Select<测试中文表>().Where(a => a.编号 == item.编号).First();
+			Assert.NotNull(item2);
+			Assert.Equal(item.编号, item2.编号);
+			Assert.Equal(item.标题, item2.标题);
+		}
+		class 测试中文表 {
+			[Column(IsPrimary = true)]
+			public Guid 编号 { get; set; }
+
+			public string 标题 { get; set; }
+
+			public DateTime 创建时间 { get; set; }
+		}
+
 		[Fact]
 		public void AddUniques() {
 			var sql = g.mysql.CodeFirst.GetComparisonDDLStatements<AddUniquesInfo>();
diff --git a/FreeSql.Tests/Oracle/OracleCodeFirstTest.cs b/FreeSql.Tests/Oracle/OracleCodeFirstTest.cs
index 4a70294c..8fbe5f20 100644
--- a/FreeSql.Tests/Oracle/OracleCodeFirstTest.cs
+++ b/FreeSql.Tests/Oracle/OracleCodeFirstTest.cs
@@ -9,6 +9,31 @@ using Xunit;
 namespace FreeSql.Tests.Oracle {
 	public class OracleCodeFirstTest {
 
+		[Fact]
+		public void 中文表_字段() {
+			var sql = g.oracle.CodeFirst.GetComparisonDDLStatements<测试中文表>();
+			g.oracle.CodeFirst.SyncStructure<测试中文表>();
+
+			var item = new 测试中文表 {
+				标题 = "测试标题",
+				创建时间 = DateTime.Now
+			};
+			Assert.Equal(1, g.oracle.Insert<测试中文表>().AppendData(item).ExecuteAffrows());
+			Assert.NotEqual(Guid.Empty, item.编号);
+			var item2 = g.oracle.Select<测试中文表>().Where(a => a.编号 == item.编号).First();
+			Assert.NotNull(item2);
+			Assert.Equal(item.编号, item2.编号);
+			Assert.Equal(item.标题, item2.标题);
+		}
+		class 测试中文表 {
+			[Column(IsPrimary = true)]
+			public Guid 编号 { get; set; }
+
+			public string 标题 { get; set; }
+
+			public DateTime 创建时间 { get; set; }
+		}
+
 		[Fact]
 		public void AddUniques() {
 			var sql = g.oracle.CodeFirst.GetComparisonDDLStatements<AddUniquesInfo>();
diff --git a/FreeSql.Tests/PostgreSQL/PostgreSQLCodeFirstTest.cs b/FreeSql.Tests/PostgreSQL/PostgreSQLCodeFirstTest.cs
index 354c0a55..b8cb972c 100644
--- a/FreeSql.Tests/PostgreSQL/PostgreSQLCodeFirstTest.cs
+++ b/FreeSql.Tests/PostgreSQL/PostgreSQLCodeFirstTest.cs
@@ -16,6 +16,31 @@ using Xunit;
 namespace FreeSql.Tests.PostgreSQL {
 	public class PostgreSQLCodeFirstTest {
 
+		[Fact]
+		public void 中文表_字段() {
+			var sql = g.pgsql.CodeFirst.GetComparisonDDLStatements<测试中文表>();
+			g.pgsql.CodeFirst.SyncStructure<测试中文表>();
+
+			var item = new 测试中文表 {
+				标题 = "测试标题",
+				创建时间 = DateTime.Now
+			};
+			Assert.Equal(1, g.pgsql.Insert<测试中文表>().AppendData(item).ExecuteAffrows());
+			Assert.NotEqual(Guid.Empty, item.编号);
+			var item2 = g.pgsql.Select<测试中文表>().Where(a => a.编号 == item.编号).First();
+			Assert.NotNull(item2);
+			Assert.Equal(item.编号, item2.编号);
+			Assert.Equal(item.标题, item2.标题);
+		}
+		class 测试中文表 {
+			[Column(IsPrimary = true)]
+			public Guid 编号 { get; set; }
+
+			public string 标题 { get; set; }
+
+			public DateTime 创建时间 { get; set; }
+		}
+
 		[Fact]
 		public void AddUniques() {
 			var sql = g.pgsql.CodeFirst.GetComparisonDDLStatements<AddUniquesInfo>();
diff --git a/FreeSql.Tests/SqlServer/SqlServerCodeFirstTest.cs b/FreeSql.Tests/SqlServer/SqlServerCodeFirstTest.cs
index 382556b2..23227114 100644
--- a/FreeSql.Tests/SqlServer/SqlServerCodeFirstTest.cs
+++ b/FreeSql.Tests/SqlServer/SqlServerCodeFirstTest.cs
@@ -19,6 +19,32 @@ namespace FreeSql.Tests.SqlServer {
 			_sqlserverFixture = sqlserverFixture;
 		}
 
+		[Fact]
+		public void 中文表_字段() {
+			var sql = _sqlserverFixture.SqlServer.CodeFirst.GetComparisonDDLStatements<测试中文表>();
+			_sqlserverFixture.SqlServer.CodeFirst.SyncStructure<测试中文表>();
+
+			var item = new 测试中文表 {
+				标题 = "测试标题",
+				创建时间 = DateTime.Now
+			};
+			Assert.Equal(1, _sqlserverFixture.SqlServer.Insert<测试中文表>().AppendData(item).ExecuteAffrows());
+			Assert.NotEqual(Guid.Empty, item.编号);
+			var item2 = _sqlserverFixture.SqlServer.Select<测试中文表>().Where(a => a.编号 == item.编号).First();
+			Assert.NotNull(item2);
+			Assert.Equal(item.编号, item2.编号);
+			Assert.Equal(item.标题, item2.标题);
+		}
+		class 测试中文表 {
+			[Column(IsPrimary = true)]
+			public Guid 编号 { get; set; }
+
+			public string 标题 { get; set; }
+
+			public DateTime 创建时间 { get; set; }
+		}
+
+
 		[Fact]
 		public void AddUniques() {
 			var sql = _sqlserverFixture.SqlServer.CodeFirst.GetComparisonDDLStatements<AddUniquesInfo>();
diff --git a/FreeSql.Tests/Sqlite/SqliteCodeFirstTest.cs b/FreeSql.Tests/Sqlite/SqliteCodeFirstTest.cs
index 519ab891..ae7389e9 100644
--- a/FreeSql.Tests/Sqlite/SqliteCodeFirstTest.cs
+++ b/FreeSql.Tests/Sqlite/SqliteCodeFirstTest.cs
@@ -9,6 +9,30 @@ using Xunit;
 namespace FreeSql.Tests.Sqlite {
 	public class SqliteCodeFirstTest {
 
+		[Fact]
+		public void 中文表_字段() {
+			var sql = g.sqlite.CodeFirst.GetComparisonDDLStatements<测试中文表>();
+			g.sqlite.CodeFirst.SyncStructure<测试中文表>();
+
+			var item = new 测试中文表 {
+				标题 = "测试标题",
+				创建时间 = DateTime.Now
+			};
+			Assert.Equal(1, g.sqlite.Insert<测试中文表>().AppendData(item).ExecuteAffrows());
+			Assert.NotEqual(Guid.Empty, item.编号);
+			var item2 = g.sqlite.Select<测试中文表>().Where(a => a.编号 == item.编号).First();
+			Assert.NotNull(item2);
+			Assert.Equal(item.编号, item2.编号);
+			Assert.Equal(item.标题, item2.标题);
+		}
+		class 测试中文表 {
+			[Column(IsPrimary = true)]
+			public Guid 编号 { get; set; }
+
+			public string 标题 { get; set; }
+
+			public DateTime 创建时间 { get; set; }
+		}
 
 		[Fact]
 		public void AddUniques() {