diff --git a/src/.env.example b/src/.env.example
index ea0665b..602ed5b 100644
--- a/src/.env.example
+++ b/src/.env.example
@@ -1,19 +1,33 @@
 APP_NAME=Laravel
 APP_ENV=local
-APP_KEY=
-APP_DEBUG=true
+APP_KEY=base64:IKjHNQSNl5XcnNB4fGwJPLsmMkgTZML9VGvxZuvfv4I=
+APP_DEBUG=TRUE
 APP_URL=http://localhost
 
 LOG_CHANNEL=stack
 LOG_DEPRECATIONS_CHANNEL=null
 LOG_LEVEL=debug
 
+# DB_CONNECTION=mysql
+# DB_HOST=45.119.84.189
+# DB_PORT=15432
+# DB_DATABASE=gk_loseroot
+# DB_USERNAME=root
+# DB_PASSWORD=A@1qaz2wsxA@
+
 DB_CONNECTION=mysql
-DB_HOST=127.0.0.1
-DB_PORT=3306
-DB_DATABASE=laravel
+DB_HOST=45.119.84.189
+DB_PORT=4406
+DB_DATABASE=sundayenglish_general
 DB_USERNAME=root
-DB_PASSWORD=
+DB_PASSWORD=A@1qaz2wsxA@
+
+DB_CONNECTION=mysql
+DB_HOST_2=45.119.84.189
+DB_PORT_2=15432
+DB_DATABASE_2=gk_loseroot
+DB_USERNAME_2=root
+DB_PASSWORD_2=A@1qaz2wsxA@
 
 BROADCAST_DRIVER=log
 CACHE_DRIVER=file
diff --git a/src/app/Http/Controllers/LoseRootController.php b/src/app/Http/Controllers/LoseRootController.php
index 572d902..06c1231 100644
--- a/src/app/Http/Controllers/LoseRootController.php
+++ b/src/app/Http/Controllers/LoseRootController.php
@@ -3,7 +3,10 @@
 namespace App\Http\Controllers;
 
 use App\Models\Curriculum;
+use App\Models\CurriculumUnit;
 use App\Models\Lesson;
+use App\Models\UnitElement;
+use DB;
 use Illuminate\Http\Request;
 use Maatwebsite\Excel\Facades\Excel;
 use PhpOffice\PhpSpreadsheet\IOFactory;
@@ -45,7 +48,38 @@ class LoseRootController extends Controller
         $unit_data = $data_all->unit_data;
         $unit_element_data = $data_all->unit_element_data;
         $trip = $data_all->trip;
-        $add = Curriculum::insert((array)$curriculum_data);
+        // dd($unit_element_data);
+        // save curriculum
+        if(!empty($curriculum_unit_data)){
+            $curriculum_unit = [];
+            $unit_element = [];
+            foreach($curriculum_unit_data as $cud){
+                $curriculum_unit[] = (array)$cud;
+            }
+        }
+        if(!empty($unit_element_data)){
+            foreach($unit_element_data as $ued){
+                $unit_element[] = (array)$ued;
+            }
+        }
+
+        DB::beginTransaction();
+        try {
+            $saveCurriculum = Curriculum::insert((array)$curriculum_data);
+
+            if($saveCurriculum){
+               $saveCurriculumUnit = CurriculumUnit::insert($curriculum_unit);
+            }
+            if(!empty($saveCurriculumUnit)){
+                $saveUnitElement = UnitElement::insert($unit_element);
+            }
+            DB::rollback();
+        } catch (\Throwable $th) {
+            DB::rollback();
+            throw $th;
+        }
+
+
         dd($curriculum_data);
     }
     public function read_file(Request $request)
diff --git a/src/app/Models/CurriculumUnit.php b/src/app/Models/CurriculumUnit.php
new file mode 100644
index 0000000..32283b6
--- /dev/null
+++ b/src/app/Models/CurriculumUnit.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class CurriculumUnit extends Model
+{
+    use HasFactory;
+    protected $table = 'gk_curriculum_unit';
+    protected $connection = 'mysql_loseroot';
+}
diff --git a/src/app/Models/Unit.php b/src/app/Models/Unit.php
new file mode 100644
index 0000000..8e9a587
--- /dev/null
+++ b/src/app/Models/Unit.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class Unit extends Model
+{
+    use HasFactory;
+    protected $table = 'gk_unit';
+    protected $connection = 'mysql_loseroot';
+}
diff --git a/src/app/Models/UnitElement.php b/src/app/Models/UnitElement.php
new file mode 100644
index 0000000..3c7298d
--- /dev/null
+++ b/src/app/Models/UnitElement.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class UnitElement extends Model
+{
+    use HasFactory;
+    protected $table = 'gk_unit_element';
+    protected $connection = 'mysql_loseroot';
+}