diff --git a/storage/storage_sync.c b/storage/storage_sync.c
index 6aaf6e04555248b7e35cfc9465892f2caaf080d7..c73a7ef0ecbfcf119104c31e437e4dbc62e0149a 100644
--- a/storage/storage_sync.c
+++ b/storage/storage_sync.c
@@ -3040,13 +3040,18 @@ static void* storage_sync_thread_entrance(void* arg)
 			__LINE__, pStorage->ip_addr, local_ip_addr);
 		*/
 
+		/*
 		if (strcmp(pStorage->id, g_my_server_id_str) == 0 ||
                 is_local_host_ip(pStorage->ip_addr))
+		*/
+
+		//modify: drop condition `is_local_host_ip(pStorage->ip_addr)`
+		if (strcmp(pStorage->id, g_my_server_id_str) == 0)
 		{  //can't self sync to self
 			logError("file: "__FILE__", line: %d, " \
-				"ip_addr %s belong to the local host," \
+				"storage id: %s is myself," \
 				" sync thread exit.", \
-				__LINE__, pStorage->ip_addr);
+				__LINE__, pStorage->id);
 			fdfs_quit(&storage_server);
 			close(storage_server.sock);
 			break;
@@ -3267,8 +3272,13 @@ int storage_sync_thread_start(const FDFSStorageBrief *pStorage)
 		return 0;
 	}
 
+	/*
 	if (strcmp(pStorage->id, g_my_server_id_str) == 0 ||
 		is_local_host_ip(pStorage->ip_addr)) //can't self sync to self
+	*/
+
+	//modify: drop condition `is_local_host_ip(pStorage->ip_addr)`
+	if (strcmp(pStorage->id, g_my_server_id_str) == 0) //can't self sync to self
 	{
 		logWarning("file: "__FILE__", line: %d, "
 			"storage id: %s is myself, can't start sync thread!",
diff --git a/storage/trunk_mgr/trunk_sync.c b/storage/trunk_mgr/trunk_sync.c
index 751d43cec6ae99c18a66cbd61386c76905e6fc36..324f23c5e5e49006f83d8333bd77b3fde8e9b288 100644
--- a/storage/trunk_mgr/trunk_sync.c
+++ b/storage/trunk_mgr/trunk_sync.c
@@ -2121,13 +2121,18 @@ static void *trunk_sync_thread_entrance(void* arg)
 			__LINE__, pStorage->ip_addr, local_ip_addr);
 		*/
 
+		/*
 		if ((strcmp(pStorage->id, g_my_server_id_str) == 0) ||
                 is_local_host_ip(pStorage->ip_addr))
+		*/
+
+		//modify: drop condition `is_local_host_ip(pStorage->ip_addr)`
+		if (strcmp(pStorage->id, g_my_server_id_str) == 0)
 		{  //can't self sync to self
 			logError("file: "__FILE__", line: %d, " \
-				"ip_addr %s belong to the local host," \
+				"storage id: %s is myself," \
 				" trunk sync thread exit.", \
-				__LINE__, pStorage->ip_addr);
+				__LINE__, pStorage->id);
 			fdfs_quit(&storage_server);
 			close(storage_server.sock);
 			break;
@@ -2378,8 +2383,13 @@ int trunk_sync_thread_start(const FDFSStorageBrief *pStorage)
 		return 0;
 	}
 
+	/*
 	if ((strcmp(pStorage->id, g_my_server_id_str) == 0) ||
             is_local_host_ip(pStorage->ip_addr)) //can't self sync to self
+	*/
+
+	//modify: drop condition `is_local_host_ip(pStorage->ip_addr)`
+	if (strcmp(pStorage->id, g_my_server_id_str) == 0)  //can't self sync to self
 	{
 		return 0;
 	}