diff --git a/config_sumo_vsl.yaml b/config_sumo_vsl.yaml
index 6256c99..23028fa 100644
--- a/config_sumo_vsl.yaml
+++ b/config_sumo_vsl.yaml
@@ -6,7 +6,7 @@ sumo:
   # route_file: "sumo_resource/routes_optimized.xml"
   detector_add_file: "sumo_resource/metrics_il.add.xml"
   enex_add_file: "sumo_resource/metrics_enex.add.xml"
-  step_length: 0.5
+  step_length: 1
   begin_time: 54000
   end_time: 57600
   # begin_time: 39600
@@ -65,7 +65,7 @@ environment:
     delta_vsl_max: 16.67
 
 training:
-  num_episodes: 100
+  num_episodes: 4000
   random_seed: 42
   log_freq: 10
   save_freq: 20