diff --git a/Src/Asp.NetCore2/SqlSugar/Entities/ConnMoreSettings.cs b/Src/Asp.NetCore2/SqlSugar/Entities/ConnMoreSettings.cs
index dab870dd3..46f27a6bd 100644
--- a/Src/Asp.NetCore2/SqlSugar/Entities/ConnMoreSettings.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Entities/ConnMoreSettings.cs
@@ -28,6 +28,7 @@ namespace SqlSugar
         public bool EnableModelFuncMappingColumn { get; set; }
         public bool EnableOracleIdentity { get; set; }
         public bool EnableCodeFirstUpdatePrecision { get;  set; }
+        public bool SqliteCodeFirstEnableDropColumn { get; set; }
         public bool IsCorrectErrorSqlParameterName { get; set; }
     }
 }
diff --git a/Src/Asp.NetCore2/SqlSugar/Realization/Sqlite/CodeFirst/SqliteCodeFirst.cs b/Src/Asp.NetCore2/SqlSugar/Realization/Sqlite/CodeFirst/SqliteCodeFirst.cs
index cdb044bdf..8d5cfc7b7 100644
--- a/Src/Asp.NetCore2/SqlSugar/Realization/Sqlite/CodeFirst/SqliteCodeFirst.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Realization/Sqlite/CodeFirst/SqliteCodeFirst.cs
@@ -49,8 +49,12 @@ namespace SqlSugar
                 }
                 foreach (var item in dropColumns)
                 {
-                    //this.Context.DbMaintenance.DropColumn(tableName, item.DbColumnName);
-                    //isChange = true;
+                    //only support .net core
+                    if (this.Context.CurrentConnectionConfig?.MoreSettings?.SqliteCodeFirstEnableDropColumn == true)
+                    {
+                        this.Context.DbMaintenance.DropColumn(tableName, item.DbColumnName);
+                        isChange = true;
+                    }
                 }
                 //foreach (var item in alterColumns)
                 //{
diff --git a/Src/Asp.NetCore2/SqlSugar/Utilities/UtilMethods.cs b/Src/Asp.NetCore2/SqlSugar/Utilities/UtilMethods.cs
index 2f684116b..6ef2416b6 100644
--- a/Src/Asp.NetCore2/SqlSugar/Utilities/UtilMethods.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Utilities/UtilMethods.cs
@@ -525,7 +525,8 @@ namespace SqlSugar
                     EnableCodeFirstUpdatePrecision=it.MoreSettings.EnableCodeFirstUpdatePrecision,
                     SqliteCodeFirstEnableDefaultValue=it.MoreSettings.SqliteCodeFirstEnableDefaultValue,
                     SqliteCodeFirstEnableDescription=it.MoreSettings.SqliteCodeFirstEnableDescription,
-                    IsCorrectErrorSqlParameterName = it.MoreSettings.IsCorrectErrorSqlParameterName
+                    IsCorrectErrorSqlParameterName = it.MoreSettings.IsCorrectErrorSqlParameterName,
+                    SqliteCodeFirstEnableDropColumn=it.MoreSettings.SqliteCodeFirstEnableDropColumn
 
                 },
                 SqlMiddle = it.SqlMiddle == null ? null : new SqlMiddle