diff --git a/redis/redis-checker/src/main/java/com/ctrip/xpipe/redis/checker/healthcheck/actions/sentinel/collector/command/ResetSentinels.java b/redis/redis-checker/src/main/java/com/ctrip/xpipe/redis/checker/healthcheck/actions/sentinel/collector/command/ResetSentinels.java
index fec5c9f739..d10a718f04 100644
--- a/redis/redis-checker/src/main/java/com/ctrip/xpipe/redis/checker/healthcheck/actions/sentinel/collector/command/ResetSentinels.java
+++ b/redis/redis-checker/src/main/java/com/ctrip/xpipe/redis/checker/healthcheck/actions/sentinel/collector/command/ResetSentinels.java
@@ -429,7 +429,7 @@ public String getName() {
 
         @Override
         protected void doExecute() throws Throwable {
-            if (slaves.isEmpty())
+            if (slaves == null || slaves.isEmpty())
                 future().setSuccess(new SentinelInvalidSlaves());
             else {
                 Set<HostPort> toManyKeepers = tooManyKeepers(slaves);