diff --git a/Src/Asp.Net/MySqlTest/UnitTest/UInsert.cs b/Src/Asp.Net/MySqlTest/UnitTest/UInsert.cs
index 90fe954f3..007a4f969 100644
--- a/Src/Asp.Net/MySqlTest/UnitTest/UInsert.cs
+++ b/Src/Asp.Net/MySqlTest/UnitTest/UInsert.cs
@@ -75,8 +75,14 @@ namespace OrmTest
 
             Db.CodeFirst.InitTables<Testdbbool>();
             Db.DbMaintenance.TruncateTable("Testdbbool");
-            Db.Insertable(new Testdbbool() { isok=true }).UseMySql().ExecuteBulkCopy();
-            Db.Insertable(new Testdbbool() { isok = false }).UseMySql().ExecuteBulkCopy();
+            Db.Insertable(new Testdbbool() { isok = true }).UseMySql().ExecuteBulkCopy();
+            Db.Fastest<Testdbbool>().BulkCopy(new List<Testdbbool>() { new Testdbbool() { isok = true }, new Testdbbool() { isok = false } });
+            var list2= Db.Queryable<Testdbbool>().ToList();
+
+            if (!list2.Any(it => it.isok == false)) 
+            {
+                throw new Exception("blue copy");
+            }
 
             Db.CodeFirst.InitTables<MicroBlog>();
 
diff --git a/Src/Asp.Net/SqlSugar/Abstract/FastestProvider/Private.cs b/Src/Asp.Net/SqlSugar/Abstract/FastestProvider/Private.cs
index d8795ec16..6ba5e0b01 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/FastestProvider/Private.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/FastestProvider/Private.cs
@@ -56,6 +56,7 @@ namespace SqlSugar
             }
             dt.TableName = GetTableName();
             var columns = entityInfo.Columns;
+            var isMySql = this.context.CurrentConnectionConfig.DbType == DbType.MySql;
             foreach (var item in datas)
             {
                 var dr = dt.NewRow();
@@ -71,6 +72,13 @@ namespace SqlSugar
                         name = column.PropertyName;
                     }
                     var value = ValueConverter(column, PropertyCallAdapterProvider<T>.GetInstance(column.PropertyName).InvokeGet(item));
+                    if (isMySql&& column.UnderType==UtilConstants.BoolType) 
+                    {
+                        if (value.ObjToBool() == false)
+                        {
+                            value = DBNull.Value;
+                        }
+                    }
                     dr[name] = value;
                 }
                 dt.Rows.Add(dr);