WAF规则中国家/地区、省份、城市、ISP增加候选项检索和选择

internal/rpc/rpc_client.go

@@ -352,6 +352,10 @@ func (this *RPCClient) RegionProvinceRPC() pb.RegionProvinceServiceClient {
 	return pb.NewRegionProvinceServiceClient(this.pickConn())
 }
 
+func (this *RPCClient) RegionCityRPC() pb.RegionCityServiceClient {
+	return pb.NewRegionCityServiceClient(this.pickConn())
+}
+
 func (this *RPCClient) RegionProviderRPC() pb.RegionProviderServiceClient {
 	return pb.NewRegionProviderServiceClient(this.pickConn())
 }