diff --git a/bioloid_apps/launch/walk_client_sim.launch b/bioloid_apps/launch/walk_client_sim.launch
index e1f1c926222478070cd2413afa7cfa6c3493f221..4ff9f764118095f7c9ca6d6d2d191235138e7461 100644
--- a/bioloid_apps/launch/walk_client_sim.launch
+++ b/bioloid_apps/launch/walk_client_sim.launch
@@ -12,6 +12,23 @@
         type="walk_client"
         output="screen"
         ns="/bioloid">
+    <param name="Y_SWAP_AMPLITUDE"    value="0.025"/>
+    <param name="Z_SWAP_AMPLITUDE"    value="0.005"/>
+    <param name="ARM_SWING_GAIN"      value="1.5"/>
+    <param name="PELVIS_OFFSET"       value="0.052"/>
+    <param name="HIP_PITCH_OFFSET"    value="0.174"/>
+    <param name="X_OFFSET"            value="-0.025"/>
+    <param name="Y_OFFSET"            value="0.0075"/>
+    <param name="Z_OFFSET"            value="0.035"/>
+    <param name="A_OFFSET"            value="0.0"/>
+    <param name="P_OFFSET"            value="0.0"/>
+    <param name="R_OFFSET"            value="0.0"/>
+    <param name="PERIOD_TIME"         value="0.6"/>
+    <param name="DSP_RATIO"           value="0.1"/>
+    <param name="STEP_FB_RATIO"       value="0.3"/>
+    <param name="FOOT_HEIGHT"         value="0.04"/>
+    <param name="MAX_VEL"             value="0.01"/>
+    <param name="MAX_ROT_VEL"         value="0.01"/>
     <remap from="/bioloid/walk_client/cmd_vel"
              to="/bioloid/robot/cmd_vel"/>
     <remap from="/bioloid/walk_client/set_walk_params"
diff --git a/bioloid_description/config/bioloid_base.rviz b/bioloid_description/config/bioloid_base.rviz
index 863a1ca797386d9a2df41814e499a76f317dbca9..5c658b0fb36c2723a6229d43b8528e5a887b9e01 100644
--- a/bioloid_description/config/bioloid_base.rviz
+++ b/bioloid_description/config/bioloid_base.rviz
@@ -7,6 +7,7 @@ Panels:
         - /Global Options1
         - /Status1
         - /RobotModel1
+        - /TF1
       Splitter Ratio: 0.5
     Tree Height: 775
   - Class: rviz/Selection
@@ -52,114 +53,93 @@ Visualization Manager:
     - Alpha: 1
       Class: rviz/RobotModel
       Collision Enabled: false
-      Enabled: true
+      Enabled: false
       Links:
         All Links Enabled: true
         Expand Joint Details: false
         Expand Link Details: false
         Expand Tree: false
         Link Tree Style: Links in Alphabetic Order
-        base_link:
-          Alpha: 1
-          Show Axes: false
-          Show Trail: false
-          Value: true
-        left_arm_high:
-          Alpha: 1
-          Show Axes: false
-          Show Trail: false
-          Value: true
-        left_arm_low:
-          Alpha: 1
-          Show Axes: false
-          Show Trail: false
-          Value: true
-        left_leg_ankle_pitch:
-          Alpha: 1
-          Show Axes: false
-          Show Trail: false
-          Value: true
-        left_leg_ankle_roll:
-          Alpha: 1
-          Show Axes: false
-          Show Trail: false
-          Value: true
-        left_leg_knee:
-          Alpha: 1
-          Show Axes: false
-          Show Trail: false
-          Value: true
-        left_leg_pelvis_pitch:
-          Alpha: 1
-          Show Axes: false
-          Show Trail: false
-          Value: true
-        left_leg_pelvis_roll:
-          Alpha: 1
-          Show Axes: false
-          Show Trail: false
-          Value: true
-        left_leg_pelvis_yaw:
-          Alpha: 1
-          Show Axes: false
-          Show Trail: false
-          Value: true
-        left_shoulder:
-          Alpha: 1
-          Show Axes: false
-          Show Trail: false
-          Value: true
-        right_arm_high:
-          Alpha: 1
-          Show Axes: false
-          Show Trail: false
-          Value: true
-        right_arm_low:
-          Alpha: 1
-          Show Axes: false
-          Show Trail: false
-          Value: true
-        right_leg_ankle_pitch:
-          Alpha: 1
-          Show Axes: false
-          Show Trail: false
-          Value: true
-        right_leg_ankle_roll:
-          Alpha: 1
-          Show Axes: false
-          Show Trail: false
-          Value: true
-        right_leg_knee:
-          Alpha: 1
-          Show Axes: false
-          Show Trail: false
-          Value: true
-        right_leg_pelvis_pitch:
-          Alpha: 1
-          Show Axes: false
-          Show Trail: false
-          Value: true
-        right_leg_pelvis_roll:
-          Alpha: 1
-          Show Axes: false
-          Show Trail: false
-          Value: true
-        right_leg_pelvis_yaw:
-          Alpha: 1
-          Show Axes: false
-          Show Trail: false
-          Value: true
-        right_shoulder:
-          Alpha: 1
-          Show Axes: false
-          Show Trail: false
-          Value: true
       Name: RobotModel
       Robot Description: robot_description
       TF Prefix: /bioloid
       Update Interval: 0
-      Value: true
+      Value: false
       Visual Enabled: true
+    - Class: rviz/TF
+      Enabled: true
+      Frame Timeout: 15
+      Frames:
+        All Enabled: true
+        bioloid/base_link:
+          Value: true
+        bioloid/left_arm_high:
+          Value: true
+        bioloid/left_arm_low:
+          Value: true
+        bioloid/left_leg_ankle_pitch:
+          Value: true
+        bioloid/left_leg_ankle_roll:
+          Value: true
+        bioloid/left_leg_knee:
+          Value: true
+        bioloid/left_leg_pelvis_pitch:
+          Value: true
+        bioloid/left_leg_pelvis_roll:
+          Value: true
+        bioloid/left_leg_pelvis_yaw:
+          Value: true
+        bioloid/left_shoulder:
+          Value: true
+        bioloid/right_arm_high:
+          Value: true
+        bioloid/right_arm_low:
+          Value: true
+        bioloid/right_leg_ankle_pitch:
+          Value: true
+        bioloid/right_leg_ankle_roll:
+          Value: true
+        bioloid/right_leg_knee:
+          Value: true
+        bioloid/right_leg_pelvis_pitch:
+          Value: true
+        bioloid/right_leg_pelvis_roll:
+          Value: true
+        bioloid/right_leg_pelvis_yaw:
+          Value: true
+        bioloid/right_shoulder:
+          Value: true
+      Marker Scale: 0.1
+      Name: TF
+      Show Arrows: true
+      Show Axes: true
+      Show Names: true
+      Tree:
+        bioloid/base_link:
+          bioloid/left_leg_pelvis_yaw:
+            bioloid/left_leg_pelvis_roll:
+              bioloid/left_leg_pelvis_pitch:
+                bioloid/left_leg_knee:
+                  bioloid/left_leg_ankle_pitch:
+                    bioloid/left_leg_ankle_roll:
+                      {}
+          bioloid/left_shoulder:
+            bioloid/left_arm_high:
+              bioloid/left_arm_low:
+                {}
+          bioloid/right_leg_pelvis_yaw:
+            bioloid/right_leg_pelvis_roll:
+              bioloid/right_leg_pelvis_pitch:
+                bioloid/right_leg_knee:
+                  bioloid/right_leg_ankle_pitch:
+                    bioloid/right_leg_ankle_roll:
+                      {}
+          bioloid/right_shoulder:
+            bioloid/right_arm_high:
+              bioloid/right_arm_low:
+                {}
+      Update Interval: 0
+      Value: true
   Enabled: true
   Global Options:
     Background Color: 48; 48; 48
@@ -191,15 +171,15 @@ Visualization Manager:
         Swap Stereo Eyes: false
         Value: false
       Focal Point:
-        X: 0.101358
-        Y: -0.119063
-        Z: 0.0267737
+        X: 0.13275
+        Y: -0.145069
+        Z: 0.0303013
       Name: Current View
       Near Clip Distance: 0.01
-      Pitch: 1.4098
+      Pitch: 0.314798
       Target Frame: <Fixed Frame>
       Value: Orbit (rviz)
-      Yaw: 3.45859
+      Yaw: 4.55859
     Saved: ~
 Window Geometry:
   Displays:
@@ -217,5 +197,5 @@ Window Geometry:
   Views:
     collapsed: false
   Width: 1855
-  X: 58
+  X: 65
   Y: 24
diff --git a/bioloid_description/urdf/bioloid_low_res.xacro b/bioloid_description/urdf/bioloid_low_res.xacro
index 0493a6a558e4cc11c9f9acb88f4302b5dc17b70a..561d2470ae24e7d95c002f44310b857ed480e2de 100755
--- a/bioloid_description/urdf/bioloid_low_res.xacro
+++ b/bioloid_description/urdf/bioloid_low_res.xacro
@@ -426,7 +426,7 @@
     <visual>
       <origin xyz="0 0 0" rpy="0 0 0" />
       <geometry>
-        <mesh filename="package://bioloid_description/meshes/bounding_boxes/left_leg_ankle_roll.stl" />
+        <mesh filename="package://bioloid_description/meshes/bounding_boxes/left_leg_ankle_roll_bb.stl" />
       </geometry>
       <material name="Grey">
         <color rgba="0.79 0.82 0.93 1.0"/>