From e6c6e63d23eb43c95ad93a92693ae2352c1299d3 Mon Sep 17 00:00:00 2001
From: sushen339 <sushen339@gmail.com>
Date: Tue, 18 Nov 2025 13:30:35 +0800
Subject: [PATCH] 	modified:   blockip/src/install.c

---
 blockip/src/install.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/blockip/src/install.c b/blockip/src/install.c
index 273bfc5..b1583a7 100644
--- a/blockip/src/install.c
+++ b/blockip/src/install.c
@@ -152,7 +152,15 @@ int install_service(void) {
     
     /* 安装nftables */
     check_and_install_nftables();
-    
+
+    /* 清空bip相关nft表和集合，防止历史残留 */
+    char nft_clear_cmd[MAX_COMMAND_LEN];
+    snprintf(nft_clear_cmd, sizeof(nft_clear_cmd),
+        "nft flush table '%s'; "
+        "nft delete table '%s' 2>/dev/null;",
+        NFT_TABLE, NFT_TABLE);
+    system(nft_clear_cmd);
+
     /* 初始化规则 */
     init_nftables_rules();