diff --git a/SqlServerTest/Program.cs b/SqlServerTest/Program.cs
index 7db631d74..6b32030a8 100644
--- a/SqlServerTest/Program.cs
+++ b/SqlServerTest/Program.cs
@@ -17,28 +17,28 @@ namespace OrmTest
     {
         static void Main(string[] args)
         {
-            ///***Unit Test***/
-            //new Field(1).Init();
-            //new Where(1).Init();
-            //new Method(1).Init();
-            //new JoinQuery(1).Init();
-            //new SingleQuery(1).Init();
-            //new SelectQuery(1).Init();
-            //new AutoClose(1).Init();
-            //new Insert(1).Init();
-            //new Delete(1).Init();
-            //new Update(1).Init();
-            //new Mapping(1).Init();
+            /***Unit Test***/
+            new Field(1).Init();
+            new Where(1).Init();
+            new Method(1).Init();
+            new JoinQuery(1).Init();
+            new SingleQuery(1).Init();
+            new SelectQuery(1).Init();
+            new AutoClose(1).Init();
+            new Insert(1).Init();
+            new Delete(1).Init();
+            new Update(1).Init();
+            new Mapping(1).Init();
 
-            ///***Performance Test***/
-            //new SqlSugarPerformance(100).Select();
+            /***Performance Test***/
+            new SqlSugarPerformance(100).Select();
 
             /***Demo***/
             OrmTest.Demo.Query.Init();
-            //OrmTest.Demo.Insert.Init();
-            //OrmTest.Demo.Delete.Init();
-            //OrmTest.Demo.Update.Init();
-            //OrmTest.Demo.DbFirst.Init();
+            OrmTest.Demo.Insert.Init();
+            OrmTest.Demo.Delete.Init();
+            OrmTest.Demo.Update.Init();
+            OrmTest.Demo.DbFirst.Init();
         }
     }
 }
diff --git a/SqlSugar/Entities/EntityInfo.cs b/SqlSugar/Entities/EntityInfo.cs
index e43cf8c55..5e3830376 100644
--- a/SqlSugar/Entities/EntityInfo.cs
+++ b/SqlSugar/Entities/EntityInfo.cs
@@ -9,8 +9,9 @@ namespace SqlSugar
 {
     public class EntityInfo
     {
+        private string _DbTableName;
         public string EntityName { get; set; }
-        public string DbTableName { get; set; }
+        public string DbTableName { get { return _DbTableName == null ? EntityName : _DbTableName;  } set { _DbTableName = value; } }
         public Type Type { get; set; }
         public List<EntityColumnInfo> Columns { get; set; }
     }