diff --git a/zc-business/src/main/java/com/zc/business/controller/CodeScanningAlarmController.java b/zc-business/src/main/java/com/zc/business/controller/CodeScanningAlarmController.java
index f6037af8..a0ae62d8 100644
--- a/zc-business/src/main/java/com/zc/business/controller/CodeScanningAlarmController.java
+++ b/zc-business/src/main/java/com/zc/business/controller/CodeScanningAlarmController.java
@@ -16,6 +16,7 @@ import javax.annotation.Resource;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.util.Date;
+import java.util.HashMap;
 import java.util.Map;
 import java.util.Objects;
 
@@ -44,7 +45,9 @@ public class CodeScanningAlarmController extends BaseController {
         DcWarning dcWarning = new DcWarning();
         dcWarning.setId(id);
         dcWarning.setOtherConfig(String.valueOf(JSONObject.parseObject(JSONObject.toJSONString(returnParameters))));
-        if (dcWarningService.selectAlarmById(id) == null) {
+
+        HashMap<String, Object> oldData = dcWarningService.selectAlarmById(id);
+        if (oldData == null) {
             dcWarning.setStakeMark(String.valueOf(returnParameters.get("stakeNum")));
             String roadCode = String.valueOf(returnParameters.get("roadCode"));
             dcWarning.setDirection(Objects.equals(roadCode, UniversalEnum.ONE.getValue()) ? UniversalEnum.THREE.getValue() : UniversalEnum.ONE.getValue());
@@ -89,6 +92,8 @@ public class CodeScanningAlarmController extends BaseController {
             dcWarning.setWarningState(UniversalEnum.ONE.getNumber());
             return AjaxResult.success(dcWarningService.insertDcWarning(dcWarning));
         } else {
+            dcWarning.setId(oldData.get("id").toString());
+
             return AjaxResult.success(dcWarningService.updateDcWarning(dcWarning));
         }
     }