bugfix

teachcloud-common/src/main/java/com/qmth/teachcloud/common/service/impl/AuthInfoServiceImpl.java

@@ -219,6 +219,8 @@ public class AuthInfoServiceImpl implements AuthInfoService {
                     } else {
                         basicSchool.setLogo(filePath);
                     }
+                } else {
+                    basicSchool.setLogo(o.getLogo());
                 }
                 basicSchoolSet.add(basicSchool);
             }