图片改成png

Controller/EquipmentManager.py

@@ -603,7 +603,7 @@ def queryInterface(request):
             p['preview'] = []
             for up in upqs:
                 if p['UID'] == up['uid']:
-                    obj = 'uid_preview/{uid}/{channel}.jpeg'.format(uid=up['uid'], channel=up['channel'])
+                    obj = 'uid_preview/{uid}/{channel}.png'.format(uid=up['uid'], channel=up['channel'])
                     img_sign = uidPreview_bucket.sign_url('GET', obj, 300)
                     p['preview'].append(img_sign)
             data.append(p)