diff --git a/Src/Asp.Net/MySqlTest/UnitTest/UCodeFirst.cs b/Src/Asp.Net/MySqlTest/UnitTest/UCodeFirst.cs
index ab92b7f92..ac6765348 100644
--- a/Src/Asp.Net/MySqlTest/UnitTest/UCodeFirst.cs
+++ b/Src/Asp.Net/MySqlTest/UnitTest/UCodeFirst.cs
@@ -13,6 +13,15 @@ namespace OrmTest
             if (Db.DbMaintenance.IsAnyTable("UnitCodeTest1", false))
                 Db.DbMaintenance.DropTable("UnitCodeTest1");
             Db.CodeFirst.InitTables<UnitCodeTest1>();
+            Db.CodeFirst.InitTables<UnitCodeTest2222>();
+            Db.Insertable(new UnitCodeTest2222()
+            {
+                Id = 1,
+                Id2 = 2,
+                Id3 = 3,
+                Id4=4
+            }).ExecuteCommand();
+            var list = Db.Queryable<UnitCodeTest2222>().ToList();
         }
         public class UnitCodeTest1
         {
@@ -21,5 +30,12 @@ namespace OrmTest
             [SqlSugar.SugarColumn(DefaultValue="now()", IndexGroupNameList =new string[] {"group1" } )]
             public DateTime? CreateDate { get; set; }
         }
+        public class UnitCodeTest2222
+        {
+            public uint Id { get; set; }
+            public ulong Id2 { get; set; }
+            public ushort Id3 { get; set; }
+            public uint? Id4 { get; set; }
+        }
     }
 }
diff --git a/Src/Asp.Net/SqlSugar/Abstract/CodeFirstProvider/CodeFirstProvider.cs b/Src/Asp.Net/SqlSugar/Abstract/CodeFirstProvider/CodeFirstProvider.cs
index 39a4cfaf4..a153512dc 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/CodeFirstProvider/CodeFirstProvider.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/CodeFirstProvider/CodeFirstProvider.cs
@@ -304,7 +304,8 @@ namespace SqlSugar
             }
             else
             {
-                result.DataType = this.Context.Ado.DbBind.GetDbTypeName(propertyType.Name);
+                var name = GetType(propertyType.Name);
+                result.DataType = this.Context.Ado.DbBind.GetDbTypeName(name);
             }
         }
 
@@ -322,7 +323,8 @@ namespace SqlSugar
             }
             else
             {
-                properyTypeName = this.Context.Ado.DbBind.GetDbTypeName(propertyType.Name);
+                var name = GetType(propertyType.Name);
+                properyTypeName = this.Context.Ado.DbBind.GetDbTypeName(name);
             }
             var dataType = dc.DataType;
             if (properyTypeName == "boolean" && dataType == "bool")
@@ -331,6 +333,16 @@ namespace SqlSugar
             }
             return properyTypeName != dataType;
         }
+        private static string GetType(string name)
+        {
+            if (name.IsContainsIn("UInt32", "UInt16", "UInt64"))
+            {
+                name = name.TrimStart('U');
+            }
+
+            return name;
+        }
+
         #endregion
     }
 }