diff --git a/Platform/build/user.configm.Makefile b/Platform/build/user.configm.Makefile
index cea8c2a28..763832f3f 100755
--- a/Platform/build/user.configm.Makefile
+++ b/Platform/build/user.configm.Makefile
@@ -39,7 +39,7 @@ COMMON_SRCS = configserver.c \
 	log_config/log_config_console.c log_config/log_config_init.c log_config/log_config_cm.c log_config/log_config_monitor.c log_config/log_config_remote.c log_config/log_config_file.c \
 	nat_config/natconfig.c \
 	vlan_config/vlan_config.c \
-
+	dhcp_config/dhcp_client_config.c  dhcp_config/dhcp_dhcpd_lease.c  dhcp_config/dhcp_host_config.c  dhcp_config/dhcp_lib.c  dhcp_config/dhcp_relay_config.c  dhcp_config/dhcp_shared_network_config.c  dhcp_config/dhcp_subnet_config.c\
 # MRS Board Source Files
 PLAT_LINUX_SRCS = $(COMMON_SRCS)
 PLAT_ARM64_SRCS = $(COMMON_SRCS)
diff --git a/Platform/user/configm/config-server/dhcp_config/dhcp_lib.c b/Platform/user/configm/config-server/dhcp_config/dhcp_lib.c
index c25d43113..dc61a9c5b 100644
--- a/Platform/user/configm/config-server/dhcp_config/dhcp_lib.c
+++ b/Platform/user/configm/config-server/dhcp_config/dhcp_lib.c
@@ -1,5 +1,46 @@
 #include "dhcp_lib.h"
 
+void dhcp_config_init(void)
+{
+    ret_code ret = RET_OK;
+    ret = br_event_register(BR_DELETE_EVENT_PRE,del_interface_dhcp_cb);
+}
+
+int del_interface_dhcp_cb(BR_EVENT_TYPE event_type, br_event_t event_arg)
+{
+    ret_code ret = RET_OK;
+    char *segment = get_interface_subnet(event_arg.br_name);  
+    if(NULL == segment){
+        return ret;
+    }
+    char *mask = get_interface_mask(event_arg.br_name);
+    if(NULL == mask){
+        return ret;
+    }
+    int len = 500;
+    char *cmd = (char *)malloc(len + 1);
+    if(NULL == cmd)
+    {
+        return RET_ERR;
+    }
+
+    memset(cmd, 0, len + 1);
+    snprintf(cmd, len, "sed -r -i 's/%s //g' /etc/default/isc-dhcp-server", event_arg.br_name);
+    system(cmd);
+    memset(cmd, 0, len + 1);
+    snprintf(cmd, len, "sed -r -i ':a;N;$!ba;s/[ \\t]*subnet[ \\t]+%s[ \\t]+netmask[ \\t]+%s[ \\t]*\\{[a-zA-Z#:; \\t\\n0-9\\.\\,\\-]+\\}/#/g' /etc/dhcp/dhcpd.conf", segment, mask);
+    system(cmd);
+    system("sed -r -i '/#/d' /etc/dhcp/dhcpd.conf");
+    if(segment){
+        free(segment);
+    }
+    if(mask){
+        free(mask);
+    }
+    /*ÔËÐÐÅäÖÃÎļþ*/
+    system("service isc-dhcp-server restart");
+    return ret;
+}
 
 char *getfileall(char *fname)
 {
diff --git a/Platform/user/configm/config-server/include/configm.h b/Platform/user/configm/config-server/include/configm.h
index e6c97eac7..f3e084a20 100755
--- a/Platform/user/configm/config-server/include/configm.h
+++ b/Platform/user/configm/config-server/include/configm.h
@@ -14,7 +14,7 @@
 #include "../web_config/auth_recover_config.h"
 #include "natconfig.h"
 #include "vlan_config.h"
-
+#include "dhcp_lib.h"
 #define RET_CODE_LEN 16
 #define RET_MSG_LEN 128
 
@@ -31,7 +31,11 @@
     {                        \
         VLAN_CONFIG_MODULE,  \
         vlan_config_init     \
-    }	  		     \
+    },                       \
+    {                       \
+        DHCP_CONFIG_MODULE,  \
+        dhcp_config_init     \
+    }                      \
 }
 
 /* 
@@ -217,6 +221,60 @@
      vlan_config_proc,    \
      vlan_config_get,     \
      vlan_config_get_all  \
+    },\
+	{\
+         DHCP_HOST_CONFIG,  \
+         CONFIG_FROM_WEB,  \
+         FALSE,            \
+         dhcp_host_config_chk,     \
+         dhcp_host_config_proc,    \
+         dhcp_host_config_get,     \
+         NULL  \
+    },\
+    {\
+         DHCP_SUBNET_CONFIG,  \
+         CONFIG_FROM_WEB,  \
+         FALSE,            \
+         dhcp_subnet_config_chk,     \
+         dhcp_subnet_config_proc,    \
+         dhcp_subnet_config_get,     \
+         NULL  \
+    },\
+    {\
+         DHCP_RELAY_CONFIG,  \
+         CONFIG_FROM_WEB,  \
+         FALSE,            \
+         dhcp_relay_config_chk,     \
+         dhcp_relay_config_proc,    \
+         NULL,     \
+         NULL  \
+    },\
+    {\
+         DHCP_CLIENT_CONFIG,  \
+         CONFIG_FROM_WEB,  \
+         FALSE,           \
+         dhcp_client_config_chk,     \
+         dhcp_client_config_proc,    \
+         dhcp_client_get,     \
+         NULL  \
+    },\
+    {\
+         DHCP_DHCPD_LEASE,  \
+         CONFIG_FROM_WEB,  \
+         FALSE,            \
+         dhcp_dhcpd_lease_config_chk,     \
+         NULL,    \
+         NULL,     \
+         dhcp_dhcpd_lease_get_all  \
+    },\
+    {\
+         DHCP_SHARED_NETWORK_CONFIG,  \
+         CONFIG_FROM_WEB,  \
+         FALSE,            \
+         dhcp_shared_network_config_chk,     \
+         dhcp_shared_network_config_proc,    \
+         NULL,     \
+         dhcp_shared_network_config_get_all  \
     }\
 }
 
diff --git a/Platform/user/configm/config-server/include/dhcp_lib.h b/Platform/user/configm/config-server/include/dhcp_lib.h
index 8ee1c12a9..0901c6e53 100644
--- a/Platform/user/configm/config-server/include/dhcp_lib.h
+++ b/Platform/user/configm/config-server/include/dhcp_lib.h
@@ -20,6 +20,19 @@
 #include "rpc.h"
 #include "netconfig.h"
 
+#include "dhcp_client_config.h"
+#include "dhcp_host_config.h"
+#include "dhcp_relay_config.h"
+#include "dhcp_shared_network_config.h"
+#include "dhcp_subnet_config.h"
+#include "dhcp_dhcpd_lease.h"
+
+
+void dhcp_config_init(void);
+
+int del_interface_dhcp_cb(BR_EVENT_TYPE event_type, br_event_t event_arg);
+
+
 char *getfileall(char *fname);
 
 char *getfilefirstline(char *fname);