diff --git a/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/service/WarningServiceImpl.java b/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/service/WarningServiceImpl.java
index 140f855f..c3566378 100644
--- a/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/service/WarningServiceImpl.java
+++ b/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/service/WarningServiceImpl.java
@@ -196,9 +196,11 @@ public class WarningServiceImpl implements WarningService {
         if(status != null) {
             boolean isUpdated = false;
             // 清除b562告警
-            if((status.getWarningcode() & (WarningCfg.TYPE_NO_FIXED_RESULT
-                    |WarningCfg.TYPE_LESS_B562)) !=0 ) {
+            if((status.getWarningcode() & WarningCfg.TYPE_NO_FIXED_RESULT) !=0 ) {
                 status.setWarningcode(status.getWarningcode() & ~WarningCfg.TYPE_NO_FIXED_RESULT);
+                isUpdated = true;
+            }
+            if((status.getWarningcode() & WarningCfg.TYPE_LESS_B562) !=0 ) {
                 status.setWarningcode(status.getWarningcode() & ~WarningCfg.TYPE_LESS_B562);
                 isUpdated = true;
             }