diff --git a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/controller/BloodPressureController.java b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/controller/BloodPressureController.java
index 4895c86..c3bee71 100644
--- a/platform-operate-api/src/main/java/com/lyms/platform/operate/web/controller/BloodPressureController.java
+++ b/platform-operate-api/src/main/java/com/lyms/platform/operate/web/controller/BloodPressureController.java
@@ -120,6 +120,9 @@ public class BloodPressureController extends BaseController {
     @ResponseBody
     @RequestMapping(value = "/app/unread/{pid}", method = RequestMethod.GET)
     public BaseResponse checkUnReadReport(@PathVariable String pid){
+        if (StringUtils.isEmpty(pid) || "null".equals(pid)) {
+            return new BaseResponse().setErrorcode(ErrorCodeConstants.PARAMETER_ERROR).setErrormsg("pid参数不能为空");
+        }
         return bpReportFacade.checkUnReadReport(pid);
     }