diff --git a/APPQ5/QMAPP.WinForm/Forms/Operation/OperationForm.cs b/APPQ5/QMAPP.WinForm/Forms/Operation/OperationForm.cs
index b94f753..39e45ce 100644
--- a/APPQ5/QMAPP.WinForm/Forms/Operation/OperationForm.cs
+++ b/APPQ5/QMAPP.WinForm/Forms/Operation/OperationForm.cs
@@ -795,6 +795,8 @@ namespace QMAPP.WinForm.Forms.Operation
 
                     this.txtCode.Text = "";
 
+                    PlaySound.PlaySounds.Play(@okSoundPath);
+
                     if (this.lblLock.Tag.ToString().Equals("0"))
                     {
                         LockType(false);