diff --git a/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/monitor/service/impl/RedisServiceImpl.java b/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/monitor/service/impl/RedisServiceImpl.java
index e5a439a6..c9dc6afc 100644
--- a/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/monitor/service/impl/RedisServiceImpl.java
+++ b/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/monitor/service/impl/RedisServiceImpl.java
@@ -31,6 +31,8 @@ import lombok.extern.slf4j.Slf4j;
 @Slf4j
 public class RedisServiceImpl implements RedisService {
 
+	private static String CREATE_TIME ="create_time";
+	private static String USER_MEMORY ="used_memory";
 	@Resource
 	private RedisConnectionFactory redisConnectionFactory;
 
@@ -40,6 +42,8 @@ public class RedisServiceImpl implements RedisService {
 	@Override
 	public List<RedisInfo> getRedisInfo() throws RedisConnectException {
 		Properties info = redisConnectionFactory.getConnection().info();
+		if(info==null)
+			return new ArrayList<>();
 		List<RedisInfo> infoList = new ArrayList<>();
 		RedisInfo redisInfo = null;
 		for (Map.Entry<Object, Object> entry : info.entrySet()) {
@@ -55,7 +59,7 @@ public class RedisServiceImpl implements RedisService {
 	public Map<String, Object> getKeysSize() throws RedisConnectException {
 		Long dbSize = redisConnectionFactory.getConnection().dbSize();
 		Map<String, Object> map = new HashMap<>();
-		map.put("create_time", System.currentTimeMillis());
+		map.put(CREATE_TIME, System.currentTimeMillis());
 		map.put("dbSize", dbSize);
 
 		log.info("--getKeysSize--: " + map.toString());
@@ -66,15 +70,17 @@ public class RedisServiceImpl implements RedisService {
 	public Map<String, Object> getMemoryInfo() throws RedisConnectException {
 		Map<String, Object> map = null;
 		Properties info = redisConnectionFactory.getConnection().info();
+		if(info==null)
+			return new HashMap<>();
 		for (Map.Entry<Object, Object> entry : info.entrySet()) {
 			String key = oConvertUtils.getString(entry.getKey());
-			if ("used_memory".equals(key)) {
+			if (USER_MEMORY.equals(key)) {
 				map = new HashMap<>();
-				map.put("used_memory", entry.getValue());
-				map.put("create_time", System.currentTimeMillis());
+				map.put(USER_MEMORY, entry.getValue());
+				map.put(CREATE_TIME, System.currentTimeMillis());
 			}
 		}
-		log.info("--getMemoryInfo--: " + map.toString());
+		log.info("--getMemoryInfo--: " + (map==null?":":map.toString()));
 		return map;
 	}
 
@@ -109,10 +115,10 @@ public class RedisServiceImpl implements RedisService {
 				jo.put("value",map.get("dbSize"));
 			}else{
 				map = getMemoryInfo();
-				Integer used_memory = Integer.valueOf(map.get("used_memory").toString());
+				Integer used_memory = Integer.valueOf(map.get(USER_MEMORY).toString());
 				jo.put("value",used_memory/1000);
 			}
-			String create_time = DateUtil.formatTime(DateUtil.date((Long) map.get("create_time")-(4-i)*1000));
+			String create_time = DateUtil.formatTime(DateUtil.date((Long) map.get(CREATE_TIME)-(4-i)*1000));
 			jo.put("name",create_time);
 			json.add(jo);
 		}