From 8dfd26361f4a5335571a5a10568e9dfc55a8a4b1 Mon Sep 17 00:00:00 2001
From: dami <midoks@163.com>
Date: Thu, 2 Jul 2026 13:06:32 +0800
Subject: [PATCH] Update webstats_common.lua

---
 plugins/webstats/lua/webstats_common.lua | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/plugins/webstats/lua/webstats_common.lua b/plugins/webstats/lua/webstats_common.lua
index e34ff004c..10ead4c48 100644
--- a/plugins/webstats/lua/webstats_common.lua
+++ b/plugins/webstats/lua/webstats_common.lua
@@ -275,9 +275,11 @@ function _M.cron(self)
             return true
         end
 
-        for k, _ in pairs(stmt_caches) do
-            for key, _ in pairs(stmt_caches[k]) do
-                stmt_caches[k][key] = nil
+        for k, v in pairs(stmt_caches) do
+            if v then
+                for key, _ in pairs(v) do
+                    v[key] = nil
+                end
             end
         end