diff --git a/sentinel-dashboard/src/main/java/com/taobao/csp/sentinel/dashboard/rule/FlowRuleApiPublisher.java b/sentinel-dashboard/src/main/java/com/taobao/csp/sentinel/dashboard/rule/FlowRuleApiPublisher.java
index 05530101..ba2a821b 100644
--- a/sentinel-dashboard/src/main/java/com/taobao/csp/sentinel/dashboard/rule/FlowRuleApiPublisher.java
+++ b/sentinel-dashboard/src/main/java/com/taobao/csp/sentinel/dashboard/rule/FlowRuleApiPublisher.java
@@ -45,7 +45,7 @@ public class FlowRuleApiPublisher implements DynamicRulePublisher<List<FlowRuleE
         if (StringUtil.isBlank(app)) {
             return;
         }
-        if (rules == null || rules.isEmpty()) {
+        if (rules == null) {
             return;
         }
         Set<MachineInfo> set = appManagement.getDetailApp(app).getMachines();