diff --git a/odex25_transactions/cm_odex_barcode/models/barcode.py b/odex25_transactions/cm_odex_barcode/models/barcode.py
index 703b69270..ae5440001 100644
--- a/odex25_transactions/cm_odex_barcode/models/barcode.py
+++ b/odex25_transactions/cm_odex_barcode/models/barcode.py
@@ -49,7 +49,7 @@ class Transaction(models.Model):
         h_date =" تاريخ المعاملة الهجري : " +(str(self.transaction_date) if self.transaction_date else '')
         datem = " تاريخ المعاملة الميلادي : "+ (str(self.transaction_date) if self.transaction_date else '')
         rank =  " رتبة المعاملة : "+(str(self.attachment_num) if self.attachment_num else '0')
-        full_text = transaction_text + "\n" + subject_text.center(30)+"\n"+h_date+'\n'+datem+'\n'+rank.center(50)
+        full_text = transaction_text + "\n" + subject_text.center(60)+"\n"+h_date+'\n'+datem+'\n'+rank.center(50)
 
         def draw_text(draw, text, position, font, alignment="left"):
             text_size = draw.textsize(text, font=font)
diff --git a/odex25_transactions/exp_transaction_documents/models/configuration.py b/odex25_transactions/exp_transaction_documents/models/configuration.py
index 263dd15e3..8032d48b4 100644
--- a/odex25_transactions/exp_transaction_documents/models/configuration.py
+++ b/odex25_transactions/exp_transaction_documents/models/configuration.py
@@ -91,7 +91,7 @@ class AttachmentRule(models.Model):
 
     @api.constrains('file_save')
     def _check_attachment_size(self):
-        max_size = 10 * 1024 * 1024  # 10 MB
+        max_size = 4 * 1024 * 1024  # 4 MB
         for record in self:
             if record.file_save:
                 file_size = len(base64.b64decode(record.file_save))
diff --git a/odex25_transactions/exp_transaction_documents/models/outgoing_transaction.py b/odex25_transactions/exp_transaction_documents/models/outgoing_transaction.py
index 6c14516e5..8388e82eb 100644
--- a/odex25_transactions/exp_transaction_documents/models/outgoing_transaction.py
+++ b/odex25_transactions/exp_transaction_documents/models/outgoing_transaction.py
@@ -92,6 +92,12 @@ class OutgoingTransaction(models.Model):
     ####################################################
     #
     #
+    def unlink(self):
+        for record in self:
+            if record.state == 'send':
+                raise ValidationError(_('Cannot delete a sent transaction!'))
+        return super(InternalTransaction, self).unlink()
+
     def action_draft(self):
         for record in self:
             """her i need to review code for to_ids"""