diff --git a/robots/mini_quadrotor/config/Battery.yaml b/robots/mini_quadrotor/config/Battery.yaml
index 707e78ec5..afebdfbf3 100644
--- a/robots/mini_quadrotor/config/Battery.yaml
+++ b/robots/mini_quadrotor/config/Battery.yaml
@@ -2,4 +2,4 @@ bat_info:
         bat_cell: 3
         bat_resistance: 0.05 # [m Ohm]
         hovering_current: 22 #[A]
-        low_voltage_thre: 6 #[100%]
+        low_voltage_thre: 2 #[100%]
diff --git a/robots/mini_quadrotor/config/NavigationConfig.yaml b/robots/mini_quadrotor/config/NavigationConfig.yaml
index 3be65b0c6..2ea5992c4 100644
--- a/robots/mini_quadrotor/config/NavigationConfig.yaml
+++ b/robots/mini_quadrotor/config/NavigationConfig.yaml
@@ -8,9 +8,11 @@ navigation:
   # Attitude Control Mode: 4
 
 
-  takeoff_height: 0.6 #1.0
+  takeoff_height: 0.8 #1.0
   outdoor_takeoff_height: 1.5
 
+  land_descend_vel: -0.1
+
   # teleop operation
   max_target_vel: 0.5
   joy_target_vel_interval: 0.005  # 0.2 / 20 = 0.01, 0.005 ~ 0.01  m/s