diff --git a/redis/redis-checker/src/main/java/com/ctrip/xpipe/redis/checker/healthcheck/actions/keeper/info/RedisUsedMemoryCollector.java b/redis/redis-checker/src/main/java/com/ctrip/xpipe/redis/checker/healthcheck/actions/keeper/info/RedisUsedMemoryCollector.java
index 724a1943d..e7d899272 100644
--- a/redis/redis-checker/src/main/java/com/ctrip/xpipe/redis/checker/healthcheck/actions/keeper/info/RedisUsedMemoryCollector.java
+++ b/redis/redis-checker/src/main/java/com/ctrip/xpipe/redis/checker/healthcheck/actions/keeper/info/RedisUsedMemoryCollector.java
@@ -6,6 +6,7 @@
 import com.ctrip.xpipe.redis.checker.healthcheck.impl.DefaultRedisInstanceInfo;
 import com.ctrip.xpipe.redis.checker.model.DcClusterShard;
 import com.ctrip.xpipe.redis.core.protocal.cmd.InfoResultExtractor;
+import com.ctrip.xpipe.utils.StringUtil;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Component;
@@ -38,24 +39,21 @@ private long getUsedMemory(InfoResultExtractor extractor) {
         Long usedMemory = extractor.getUsedMemory();
         Long dbSize = extractor.getSwapUsedDbSize();
 
-        if (dbSize == null || usedMemory < maxMemory) return usedMemory;
-
-        if (dbSize < maxMemory >> 1) return maxMemory;
+        if (dbSize == null) return usedMemory;
 
         String keysSpaceDb0 = extractor.extract("db0");
-        if (keysSpaceDb0 == null) return maxMemory * 3;
-
+        if (StringUtil.isEmpty(keysSpaceDb0)) return 0;
 
         String[] keySpaces = keysSpaceDb0.split(",");
         String[] keys1 = keySpaces[0].split("=");
         String[] keys2 = keySpaces[1].split("=");
         if (!keys1[0].equalsIgnoreCase("keys") || !keys2[0].equalsIgnoreCase("evicts")) {
-            return maxMemory * 3;
+            return usedMemory + dbSize * 3;
         }
 
         long evicts = Long.parseLong(keys2[1]);
         long keys = Long.parseLong(keys1[1]);
-        return keys == 0 ? maxMemory * 3 : (keys + evicts) / keys * maxMemory;
+        return keys == 0 ? dbSize * 3 : (keys + evicts) / keys * maxMemory;
     }
 
     @Override
diff --git a/redis/redis-checker/src/test/java/com/ctrip/xpipe/redis/checker/healthcheck/actions/keeper/info/RedisUsedMemoryCollectorTest.java b/redis/redis-checker/src/test/java/com/ctrip/xpipe/redis/checker/healthcheck/actions/keeper/info/RedisUsedMemoryCollectorTest.java
index 9a86bac10..f9c950c91 100644
--- a/redis/redis-checker/src/test/java/com/ctrip/xpipe/redis/checker/healthcheck/actions/keeper/info/RedisUsedMemoryCollectorTest.java
+++ b/redis/redis-checker/src/test/java/com/ctrip/xpipe/redis/checker/healthcheck/actions/keeper/info/RedisUsedMemoryCollectorTest.java
@@ -141,18 +141,6 @@ public void before() throws Exception {
         instance = newRandomRedisHealthCheckInstance(FoundationService.DEFAULT.getDataCenter(), ClusterType.ONE_WAY, randomPort());
     }
 
-    @Test
-    public void testGetUsedMemoryInfoWithRor() {
-        // test used_memory < maxmemory
-        context = new RedisInfoActionContext(instance, INFO_RESPONSE_OF_ROR);
-        listener.onAction(context);
-        Assert.assertTrue(listener.worksfor(context));
-        Assert.assertEquals(1, listener.getDcClusterShardUsedMemory().size());
-        Assert.assertEquals(109632408, (long) listener.getDcClusterShardUsedMemory().get(new DcClusterShard("jq", "cluster", "shard")));
-
-    }
-
-
     @Test
     public void testGetUsedMemoryInfoWithRor2() {
         // test dbSize < maxmemory * 0.5
@@ -175,51 +163,6 @@ public void testGetUsedMemoryInfoWithRor3() {
 
     }
 
-    @Test
-    public void testGetUsedMemoryInfoWithRor4() {
-        // test dbSize >= maxmemory * 0.5, keyspace Exception db0 == null
-        context = new RedisInfoActionContext(instance, INFO_RESPONSE_OF_ROR4);
-        listener.onAction(context);
-        Assert.assertTrue(listener.worksfor(context));
-        Assert.assertEquals(1, listener.getDcClusterShardUsedMemory().size());
-        Assert.assertEquals(2415919104L * 3, (long) listener.getDcClusterShardUsedMemory().get(new DcClusterShard("jq", "cluster", "shard")));
-
-    }
-
-    @Test
-    public void testGetUsedMemoryInfoWithRor5() {
-        // test dbSize >= maxmemory * 0.5, keyspace Exception keys==null
-        context = new RedisInfoActionContext(instance, INFO_RESPONSE_OF_ROR5);
-        listener.onAction(context);
-        Assert.assertTrue(listener.worksfor(context));
-        Assert.assertEquals(1, listener.getDcClusterShardUsedMemory().size());
-        Assert.assertEquals(2415919104L * 3, (long) listener.getDcClusterShardUsedMemory().get(new DcClusterShard("jq", "cluster", "shard")));
-
-    }
-
-    @Test
-    public void testGetUsedMemoryInfoWithRor6() {
-        // test dbSize >= maxmemory * 0.5, keyspace Exception evict==null
-        context = new RedisInfoActionContext(instance, INFO_RESPONSE_OF_ROR6);
-        listener.onAction(context);
-        Assert.assertTrue(listener.worksfor(context));
-        Assert.assertEquals(1, listener.getDcClusterShardUsedMemory().size());
-        Assert.assertEquals(2415919104L * 3, (long) listener.getDcClusterShardUsedMemory().get(new DcClusterShard("jq", "cluster", "shard")));
-
-    }
-
-
-    @Test
-    public void testGetUsedMemoryInfoWithRor7() {
-        // test dbSize >= maxmemory * 0.5, keyspace Exception keys == 0
-        context = new RedisInfoActionContext(instance, INFO_RESPONSE_OF_ROR7);
-        listener.onAction(context);
-        Assert.assertTrue(listener.worksfor(context));
-        Assert.assertEquals(1, listener.getDcClusterShardUsedMemory().size());
-        Assert.assertEquals(2415919104L * 3, (long) listener.getDcClusterShardUsedMemory().get(new DcClusterShard("jq", "cluster", "shard")));
-
-    }
-
     @Test
     public void testGetUsedMemoryInfoWithRedis() {
         context = new RedisInfoActionContext(instance, INFO_RESPONSE_OF_REDIS);
diff --git a/redis/redis-console/src/test/java/com/ctrip/xpipe/redis/console/AppTest.java b/redis/redis-console/src/test/java/com/ctrip/xpipe/redis/console/AppTest.java
index e05fdd37d..7594e114e 100644
--- a/redis/redis-console/src/test/java/com/ctrip/xpipe/redis/console/AppTest.java
+++ b/redis/redis-console/src/test/java/com/ctrip/xpipe/redis/console/AppTest.java
@@ -53,7 +53,7 @@ public void startUp() {
 	public void startConsole8080() throws IOException, SQLException {
 
 		System.setProperty("server.port", "8080");
-		System.setProperty(KEY_SERVER_MODE, ConsoleServerModeCondition.SERVER_MODE.CONSOLE.name());
+		System.setProperty(KEY_SERVER_MODE, ConsoleServerModeCondition.SERVER_MODE.CONSOLE_CHECKER.name());
 		start();
 
 	}
diff --git a/redis/redis-console/src/test/java/com/ctrip/xpipe/redis/console/keeper/impl/DefaultKeeperUsedInfoAnalyzerTest.java b/redis/redis-console/src/test/java/com/ctrip/xpipe/redis/console/keeper/impl/DefaultKeeperUsedInfoAnalyzerTest.java
index 23c77b456..cecefacba 100644
--- a/redis/redis-console/src/test/java/com/ctrip/xpipe/redis/console/keeper/impl/DefaultKeeperUsedInfoAnalyzerTest.java
+++ b/redis/redis-console/src/test/java/com/ctrip/xpipe/redis/console/keeper/impl/DefaultKeeperUsedInfoAnalyzerTest.java
@@ -438,14 +438,14 @@ public void testGetAllDcReadyToMigrationKeeperContainersWithMixed() {
                 .createKeeper(Cluster5, Shard1, true, 9, 9)
                 .createKeeper(Cluster5, Shard2, false, 9, 9);
 
-        createKeeperContainer(models, IP3, 9, 9)
+        createKeeperContainer(models, IP4, 9, 9)
                 .createKeeper(Cluster5, Shard2, true, 9, 9)
                 .createKeeper(Cluster5, Shard1, false, 9, 9);
 
         analyzer.getCurrentDcKeeperContainerUsedInfoModelsMap().putAll(models);
         analyzer.analyzeKeeperContainerUsedInfo();
         List<MigrationKeeperContainerDetailModel> allDcReadyToMigrationKeeperContainers = analyzer.getCurrentDcReadyToMigrationKeeperContainers();
-        Assert.assertEquals(1, allDcReadyToMigrationKeeperContainers.stream().filter(container -> !container.isKeeperPairOverload()).count());
+        Assert.assertEquals(3, allDcReadyToMigrationKeeperContainers.size());
     }
 
     @Test