From 31b6c52cfc6f55816a4b7afd4e663c2e429a1e17 Mon Sep 17 00:00:00 2001
From: guomj3 <guomj3@chinatelecom.cn>
Date: Mon, 20 Oct 2025 17:24:15 +0800
Subject: [PATCH] Fix unexpected modification of parameter extra_dicts

---
 zhparser.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/zhparser.c b/zhparser.c
index 77c4c45..6fde37b 100644
--- a/zhparser.c
+++ b/zhparser.c
@@ -222,7 +222,7 @@ static void init(){
 	}
 
 	if(extra_dicts != NULL){
-	    if(!SplitIdentifierString(extra_dicts,',',&elemlist)){
+	    if(!SplitIdentifierString(pstrdup(extra_dicts),',',&elemlist)){
 		scws_free(scws);
 		list_free(elemlist);
 		scws = NULL;