diff --git a/xxl-job-admin/src/main/java/com/xxl/job/admin/core/route/strategy/ExecutorRouteLRU.java b/xxl-job-admin/src/main/java/com/xxl/job/admin/core/route/strategy/ExecutorRouteLRU.java
index 609a8ff..3214d20 100644
--- a/xxl-job-admin/src/main/java/com/xxl/job/admin/core/route/strategy/ExecutorRouteLRU.java
+++ b/xxl-job-admin/src/main/java/com/xxl/job/admin/core/route/strategy/ExecutorRouteLRU.java
@@ -16,10 +16,18 @@
 public class ExecutorRouteLRU extends ExecutorRouter {
 
     private static ConcurrentHashMap<Integer, LinkedHashMap<String, String>> jobLRUMap = new ConcurrentHashMap<Integer, LinkedHashMap<String, String>>();
+    private static long CACHE_VALID_TIME = 0;
 
     @Override
     public String route(int jobId, ArrayList<String> addressList) {
 
+        // cache clear
+        if (System.currentTimeMillis() > CACHE_VALID_TIME) {
+            jobLRUMap.clear();
+            CACHE_VALID_TIME = System.currentTimeMillis() + 1000*60*60*24;
+        }
+
+        // init lru
         LinkedHashMap<String, String> lruItem = jobLRUMap.get(jobId);
         if (lruItem == null) {
             /**
@@ -31,12 +39,14 @@
             jobLRUMap.put(jobId, lruItem);
         }
 
+        // put
         for (String address: addressList) {
             if (!lruItem.containsKey(address)) {
                 lruItem.put(address, address);
             }
         }
 
+        // load
         String eldestKey = lruItem.entrySet().iterator().next().getKey();
         String eldestValue = lruItem.get(eldestKey);
         return eldestValue;

diff --git a/xxl-job-admin/src/main/java/com/xxl/job/admin/core/route/strategy/ExecutorRouteLRU.java b/xxl-job-admin/src/main/java/com/xxl/job/admin/core/route/strategy/ExecutorRouteLRU.java
index 609a8ff..3214d20 100644
--- a/xxl-job-admin/src/main/java/com/xxl/job/admin/core/route/strategy/ExecutorRouteLRU.java
+++ b/xxl-job-admin/src/main/java/com/xxl/job/admin/core/route/strategy/ExecutorRouteLRU.java
@@ -16,10 +16,18 @@
 public class ExecutorRouteLRU extends ExecutorRouter {
 
     private static ConcurrentHashMap<Integer, LinkedHashMap<String, String>> jobLRUMap = new ConcurrentHashMap<Integer, LinkedHashMap<String, String>>();
+    private static long CACHE_VALID_TIME = 0;
 
     @Override
     public String route(int jobId, ArrayList<String> addressList) {
 
+        // cache clear
+        if (System.currentTimeMillis() > CACHE_VALID_TIME) {
+            jobLRUMap.clear();
+            CACHE_VALID_TIME = System.currentTimeMillis() + 1000*60*60*24;
+        }
+
+        // init lru
         LinkedHashMap<String, String> lruItem = jobLRUMap.get(jobId);
         if (lruItem == null) {
             /**
@@ -31,12 +39,14 @@
             jobLRUMap.put(jobId, lruItem);
         }
 
+        // put
         for (String address: addressList) {
             if (!lruItem.containsKey(address)) {
                 lruItem.put(address, address);
             }
         }
 
+        // load
         String eldestKey = lruItem.entrySet().iterator().next().getKey();
         String eldestValue = lruItem.get(eldestKey);
         return eldestValue;
diff --git a/xxl-job-admin/src/main/java/com/xxl/job/admin/core/route/strategy/ExecutorRouteRound.java b/xxl-job-admin/src/main/java/com/xxl/job/admin/core/route/strategy/ExecutorRouteRound.java
index 4997c77..69b0d19 100644
--- a/xxl-job-admin/src/main/java/com/xxl/job/admin/core/route/strategy/ExecutorRouteRound.java
+++ b/xxl-job-admin/src/main/java/com/xxl/job/admin/core/route/strategy/ExecutorRouteRound.java
@@ -11,7 +11,15 @@
 public class ExecutorRouteRound extends ExecutorRouter {
 
     private static ConcurrentHashMap<Integer, Integer> routeCountEachJob = new ConcurrentHashMap<Integer, Integer>();
+    private static long CACHE_VALID_TIME = 0;
     private static int count(int jobId) {
+        // cache clear
+        if (System.currentTimeMillis() > CACHE_VALID_TIME) {
+            routeCountEachJob.clear();
+            CACHE_VALID_TIME = System.currentTimeMillis() + 1000*60*60*24;
+        }
+
+        // count++
         Integer count = routeCountEachJob.get(jobId);
         count = (count==null)?0:++count;
         routeCountEachJob.put(jobId, count);
@@ -20,6 +28,9 @@
 
     @Override
     public String route(int jobId, ArrayList<String> addressList) {
+
+
+
         return addressList.get(count(jobId)%addressList.size());
     }