diff --git a/apps/opm/services.py b/apps/opm/services.py
index 88f0ed81..d9ef2c7f 100644
--- a/apps/opm/services.py
+++ b/apps/opm/services.py
@@ -185,7 +185,7 @@ def check_opl_audit_imgs(ticket: Ticket, transition: Transition, new_ticket_data
     audit_imgs = new_ticket_data.get('audit_imgs', [])
     if audit_imgs:
         opl = Opl.objects.get(ticket=ticket)
-        opl.audit_imgs = audit_imgs
+        opl.audit_imgs.set(audit_imgs)
         opl.save()
     else:
         raise ParseError('需提交审核照片')
\ No newline at end of file