diff --git a/src/main/java/com/genersoft/iot/vmp/storager/IRedisCatchStorage.java b/src/main/java/com/genersoft/iot/vmp/storager/IRedisCatchStorage.java
index 6d705101..e1d6b6f7 100755
--- a/src/main/java/com/genersoft/iot/vmp/storager/IRedisCatchStorage.java
+++ b/src/main/java/com/genersoft/iot/vmp/storager/IRedisCatchStorage.java
@@ -100,10 +100,6 @@ public interface IRedisCatchStorage {
     GPSMsgInfo getGpsMsgInfo(String gbId);
     List<GPSMsgInfo> getAllGpsMsgInfo();
 
-    Long getSN(String method);
-
-    void resetAllSN();
-
     MediaInfo getStreamInfo(String app, String streamId, String mediaServerId);
 
     MediaInfo getProxyStream(String app, String streamId);
diff --git a/src/main/java/com/genersoft/iot/vmp/storager/impl/RedisCatchStorageImpl.java b/src/main/java/com/genersoft/iot/vmp/storager/impl/RedisCatchStorageImpl.java
index 81c8b3da..d51e1174 100755
--- a/src/main/java/com/genersoft/iot/vmp/storager/impl/RedisCatchStorageImpl.java
+++ b/src/main/java/com/genersoft/iot/vmp/storager/impl/RedisCatchStorageImpl.java
@@ -66,34 +66,12 @@ public class RedisCatchStorageImpl implements IRedisCatchStorage {
         return result;
     }
 
-    @Override
-    public Long getSN(String method) {
-        String key = VideoManagerConstants.SIP_SN_PREFIX  + userSetting.getServerId() + "_" +  method;
-
-        Long result =  redisTemplate.opsForValue().increment(key, 1L);
-        if (result != null && result > Integer.MAX_VALUE) {
-            redisTemplate.opsForValue().set(key, 1);
-            result = 1L;
-        }
-        return result;
-    }
-
     @Override
     public void resetAllCSEQ() {
         String key = VideoManagerConstants.SIP_CSEQ_PREFIX  + userSetting.getServerId();
         redisTemplate.opsForValue().set(key, 1);
     }
 
-    @Override
-    public void resetAllSN() {
-        String scanKey = VideoManagerConstants.SIP_SN_PREFIX  + userSetting.getServerId() + "_*";
-        List<Object> keys = RedisUtil.scan(redisTemplate, scanKey);
-        for (Object o : keys) {
-            String key = (String) o;
-            redisTemplate.opsForValue().set(key, 1);
-        }
-    }
-
     @Override
     public void updatePlatformCatchInfo(PlatformCatch parentPlatformCatch) {
         String key = VideoManagerConstants.PLATFORM_CATCH_PREFIX  + userSetting.getServerId() + "_" +  parentPlatformCatch.getId();