diff --git a/main.go b/main.go
index 2b5840b..11d9f9f 100644
--- a/main.go
+++ b/main.go
@@ -125,7 +125,7 @@ func main() {
 	for {
 		select {
 		case msg := <-global.GWAF_CHAN_MSG:
-			if wafEngine.HostCode[msg.HostCode] != "" && wafEngine.HostTarget[wafEngine.HostCode[msg.HostCode]] != nil {
+			if wafEngine.HostTarget[wafEngine.HostCode[msg.HostCode]] != nil && wafEngine.HostCode[msg.HostCode] != "" {
 				switch msg.Type {
 				case enums.ChanTypeWhiteIP:
 					wafEngine.HostTarget[wafEngine.HostCode[msg.HostCode]].IPWhiteLists = msg.Content.([]model.IPWhiteList)
diff --git a/service/waf_service/waf_host.go b/service/waf_service/waf_host.go
index 190b493..a650465 100644
--- a/service/waf_service/waf_host.go
+++ b/service/waf_service/waf_host.go
@@ -88,6 +88,20 @@ func (receiver *WafHostService) DelHostApi(req request.WafHostDelReq) error {
 		return err
 	}
 	err = global.GWAF_LOCAL_DB.Where("CODE = ?", req.CODE).Delete(model.Hosts{}).Error
+	//删除规则
+	err = global.GWAF_LOCAL_DB.Where("HostCode = ?", req.CODE).Delete(model.Rules{}).Error
+	//删除Anticc
+	err = global.GWAF_LOCAL_DB.Where("Host_Code = ?", req.CODE).Delete(model.AntiCC{}).Error
+	//删除禁用ip
+	err = global.GWAF_LOCAL_DB.Where("Host_Code = ?", req.CODE).Delete(model.IPBlockList{}).Error
+	//删除禁用url
+	err = global.GWAF_LOCAL_DB.Where("Host_Code = ?", req.CODE).Delete(model.URLBlockList{}).Error
+	//删除隐私保护url
+	err = global.GWAF_LOCAL_DB.Where("Host_Code = ?", req.CODE).Delete(model.LDPUrl{}).Error
+	//删除白名单ip
+	err = global.GWAF_LOCAL_DB.Where("Host_Code = ?", req.CODE).Delete(model.IPWhiteList{}).Error
+	//删除白名单URL
+	err = global.GWAF_LOCAL_DB.Where("Host_Code = ?", req.CODE).Delete(model.URLWhiteList{}).Error
 	return err
 }
 func (receiver *WafHostService) ModifyGuardStatusApi(req request.WafHostGuardStatusReq) error {