diff --git a/config/vcpe.cfg b/config/vcpe.cfg
index 51574cd..834c0cf 100644
--- a/config/vcpe.cfg
+++ b/config/vcpe.cfg
@@ -78,7 +78,8 @@ application:
     # DHCP Server Config
     dhcp_server: {
         listen_on = ["192.168.30.1", "192.168.100.1"];
-        http_client = ["192.168.30.1", "192.168.30.110", "192.168.100.1", "192.168.100.110"];
+        # 主备服务器设置
+        # replication = ["192.168.100.211", "192.168.100.215"];
 
         range_set: (
             {   dhcp_range = "192.168.30.110-192.168.30.120";
diff --git a/srcs/libs/configure/config.c b/srcs/libs/configure/config.c
index 2fd6de3..7e6b006 100644
--- a/srcs/libs/configure/config.c
+++ b/srcs/libs/configure/config.c
@@ -67,7 +67,7 @@ do {
     ADD_CFG_ITEM(CFG_HTTP_SVR_PORT, "application.http_svr.listen_port", VALUE_TYPE_INTEGRAL, "6789", "Network port to listen on");                             \
     ADD_CFG_ITEM(CFG_HTTP_SVR_TCP_NODELAY, "application.http_svr.tcp_nodelay", VALUE_TYPE_BOOL, "1", "TCP delay switch");                                      \
     ADD_CFG_ITEM(CFG_DHCP_LISTEN_ON, "application.dhcp_server.listen_on", VALUE_TYPE_ARRAY_STR, "", "DHCP listen interface");                                  \
-    ADD_CFG_ITEM(CFG_DHCP_HTTP_CLIENT, "application.dhcp_server.http_client", VALUE_TYPE_ARRAY_STR, "", "DHCP http server client write list");                 \
+    ADD_CFG_ITEM(CFG_DHCP_REPLICATION_SVR, "application.dhcp_server.replication", VALUE_TYPE_ARRAY_STR, "", "DHCP replication server master and secondary");   \
     ADD_CFG_ITEM(CFG_DHCP_RANGE_SET, "application.dhcp_server.range_set", VALUE_TYPE_ARRAY_OBJ, "", "DHCP IP pool");                                           \
 } while (0)// clang-format on
 
diff --git a/srcs/libs/configure/config_help.c b/srcs/libs/configure/config_help.c
index e894893..9a100db 100644
--- a/srcs/libs/configure/config_help.c
+++ b/srcs/libs/configure/config_help.c
@@ -7,6 +7,14 @@ const vector config_get_dhcp_server_range_set() {
     return cfg_get_vector(CFG_DHCP_RANGE_SET);
 }
 
+const vector config_get_dhcp_listen_on() {
+    return cfg_get_vector(CFG_DHCP_LISTEN_ON);
+}
+
+const vector config_get_dhcp_replication_svr() {
+    return cfg_get_vector(CFG_DHCP_REPLICATION_SVR);
+}
+
 const char* config_get_http_server_addr() {
     return cfg_get_string_value(CFG_HTTP_SVR_ADDR);
 }
diff --git a/srcs/libs/include/config.h b/srcs/libs/include/config.h
index 1dc2714..f547a6e 100644
--- a/srcs/libs/include/config.h
+++ b/srcs/libs/include/config.h
@@ -62,7 +62,7 @@ typedef enum {
     CFG_HTTP_SVR_PORT        = 30,
     CFG_HTTP_SVR_TCP_NODELAY = 31,
     CFG_DHCP_LISTEN_ON       = 32,
-    CFG_DHCP_HTTP_CLIENT     = 33,
+    CFG_DHCP_REPLICATION_SVR = 33,
     CFG_DHCP_RANGE_SET       = 34,
     CONFIG_ITEM_ID_MAX
 } CONFIG_ITEM_ID;
@@ -114,6 +114,8 @@ const char  *config_get_http_server_addr();
 unsigned int config_get_http_server_port();
 int          config_get_http_server_tcp_nodelay();
 const vector config_get_dhcp_server_range_set();
+const vector config_get_dhcp_listen_on();
+const vector config_get_dhcp_replication_svr();
 #ifdef __cplusplus
 }
 #endif