diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..f82d91f
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,14 @@
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+
+# Odoo
+*.po
+.ipynb_checkpoints/
+
+# Editors
+.vscode/
+.idea/
+*.swp
+*.swo
diff --git a/README.md b/README.md
index b58adab..3b7fa08 100755
--- a/README.md
+++ b/README.md
@@ -238,6 +238,10 @@ For issues, questions, or contributions, please contact your system administrato
 
 ## Changelog
 
+### Version 17.0.1.1.0
+- Fix: Prevent incorrect revaluation entries (STJ) on Vendor Bills when creating Credit Notes (Reversal).
+- Fix: Restricted revaluation logic to strictly apply only when manually editing Vendor Bills, excluding system-triggered updates during reversals.
+
 ### Version 17.0.1.0.0
 - Initial release
 - Direct editing of price_subtotal on vendor bill lines
diff --git a/models/__pycache__/account_move_line.cpython-312.pyc b/models/__pycache__/account_move_line.cpython-312.pyc
index 81c9cf5..26b2f8c 100644
Binary files a/models/__pycache__/account_move_line.cpython-312.pyc and b/models/__pycache__/account_move_line.cpython-312.pyc differ
diff --git a/models/account_move_line.py b/models/account_move_line.py
index f3789b1..745a0e1 100755
--- a/models/account_move_line.py
+++ b/models/account_move_line.py
@@ -117,7 +117,10 @@ class AccountMoveLine(models.Model):
         if 'price_unit' in vals or 'quantity' in vals:
             for line in self:
                 # Only for vendor bills and if linked to a PO line
-                if line.move_id.move_type in ('in_invoice', 'in_refund') and line.purchase_line_id:
+                # Fix: Do not sync if triggered by Credit Note creation (Reversal Wizard)
+                if line.move_id.move_type == 'in_invoice' and \
+                   line.purchase_line_id and \
+                   self.env.context.get('active_model') != 'account.move.reversal':
                     po_line = line.purchase_line_id
                     
                     # 1. Sync Price