From f4d1ac91cc6f94e1606053b4e08f4647fd319dbe Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Forever=E6=9D=A8?= <453190450@qq.com>
Date: Fri, 28 Dec 2018 15:16:21 +0800
Subject: [PATCH] Fix wrong empty check in FlowRuleApiPublisher of Sentinel
 dashboard  (#353)

- the wrong `isEmpty` check causes the rule cannot be deleted
---
 .../csp/sentinel/dashboard/rule/FlowRuleApiPublisher.java       | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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();