diff --git a/addon.py b/addon.py
index fc075fb..7738ac1 100644
--- a/addon.py
+++ b/addon.py
@@ -1467,8 +1467,8 @@ class BlenderMCPServer:
                 if mesh_obj.data.name is not None:
                     mesh_obj.data.name = mesh_name
                 print(f"Mesh renamed to: {mesh_name}")
-        except:
-            pass
+        except Exception as e:
+            print("Having issue with renaming, give up renaming.")
 
         return mesh_obj
 
diff --git a/src/blender_mcp/server.py b/src/blender_mcp/server.py
index 460de59..784bcd1 100644
--- a/src/blender_mcp/server.py
+++ b/src/blender_mcp/server.py
@@ -11,7 +11,6 @@ import os
 from pathlib import Path
 import base64
 from urllib.parse import urlparse
-import math
 
 # Configure logging
 logging.basicConfig(level=logging.INFO,