From 69d47a4d3a3934f8c0a58a523e6727ff448b6190 Mon Sep 17 00:00:00 2001
From: chronolaw <chrono_cpp@me.com>
Date: Thu, 2 Jan 2025 15:37:11 +0800
Subject: [PATCH] clean

---
 kong/clustering/services/sync/rpc.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kong/clustering/services/sync/rpc.lua b/kong/clustering/services/sync/rpc.lua
index a81606ad781..c84a10ecd76 100644
--- a/kong/clustering/services/sync/rpc.lua
+++ b/kong/clustering/services/sync/rpc.lua
@@ -195,7 +195,7 @@ local function do_sync()
   local deltas = ns_delta.deltas
 
   if not deltas then
-    ngx_log(ngx_ERR, "sync get_delta error: deltas is null")
+    return nil, "sync get_delta error: deltas is null"
   end
 
   if isempty(deltas) then