1

src/main/java/com/fdkankan/manage/service/impl/AuthorizeCameraServiceImpl.java

@@ -67,8 +67,10 @@ public class AuthorizeCameraServiceImpl extends ServiceImpl<IAuthorizeCameraMapp
             }
             String snCodes  = "";
             List<AuthorizeCameraDetail> details = detailMap.get(record.getId());
-            for (AuthorizeCameraDetail detail : details) {
-                snCodes += detail.getSnCode()+ "\n";
+            if(details != null){
+                for (AuthorizeCameraDetail detail : details) {
+                    snCodes += detail.getSnCode()+ "\n";
+                }
             }
             record.setSnCodes(snCodes);
         }