diff --git a/src/main/java/com/zhgd/xmgl/modules/policecamera/service/impl/PoliceCameraItemServiceImpl.java b/src/main/java/com/zhgd/xmgl/modules/policecamera/service/impl/PoliceCameraItemServiceImpl.java
index 70533b7ec..c51f2dfe4 100644
--- a/src/main/java/com/zhgd/xmgl/modules/policecamera/service/impl/PoliceCameraItemServiceImpl.java
+++ b/src/main/java/com/zhgd/xmgl/modules/policecamera/service/impl/PoliceCameraItemServiceImpl.java
@@ -188,9 +188,7 @@ public class PoliceCameraItemServiceImpl extends ServiceImpl<PoliceCameraItemMap
         String url = UUID.randomUUID() + ".jpg";
         String path = basePath + url;
         policeCameraItem.setQrCode(url);
-        com.gexin.fastjson.JSONObject jsonObject = new com.gexin.fastjson.JSONObject();
-        jsonObject.put("devSn", policeCameraItem.getDevSn());
-        QrCodeUtil.generate(com.gexin.fastjson.JSON.toJSONString(jsonObject), 300, 300, FileUtil.file(path));
+        QrCodeUtil.generate(policeCameraItem.getDevSn(), 300, 300, FileUtil.file(path));
     }
 
     @Override