diff --git a/OrmTest/Models/Student.cs b/OrmTest/Models/Student.cs
index a26904b4f..d0d0c4721 100644
--- a/OrmTest/Models/Student.cs
+++ b/OrmTest/Models/Student.cs
@@ -14,7 +14,7 @@ namespace OrmTest.Models
     {
         [SugarColumn(IsPrimaryKey = true, IsIdentity = true, ColumnName = "ID")]
         public int Id { get; set; }
-        public int SchoolId { get; set; }
+        public int? SchoolId { get; set; }
         public string Name { get; set; }
         public DateTime? CreateTime { get; set; }
         [SugarColumn(IsIgnore=true)]
diff --git a/SqlSugar/Abstract/Core/SqlBuilder/DMLBuilder/InsertBuilder.cs b/SqlSugar/Abstract/Core/SqlBuilder/DMLBuilder/InsertBuilder.cs
index 29b39ab66..eeee576ff 100644
--- a/SqlSugar/Abstract/Core/SqlBuilder/DMLBuilder/InsertBuilder.cs
+++ b/SqlSugar/Abstract/Core/SqlBuilder/DMLBuilder/InsertBuilder.cs
@@ -130,7 +130,7 @@ namespace SqlSugar
                         ++i;
                     }
                     pageIndex++;
-                    batchInsetrSql.Append("\r\nGO\r\n");
+                    batchInsetrSql.Append("\r\n;\r\n");
                 }
                 return batchInsetrSql.ToString();
             }