diff --git a/veadk/integrations/ve_faas/ve_faas.py b/veadk/integrations/ve_faas/ve_faas.py
index 70cf45fd..aee36f8c 100644
--- a/veadk/integrations/ve_faas/ve_faas.py
+++ b/veadk/integrations/ve_faas/ve_faas.py
@@ -17,7 +17,6 @@
 import time
 
 import requests
-import typer
 import volcenginesdkcore
 import volcenginesdkvefaas
 from volcenginesdkvefaas.models.env_for_create_function_input import (
@@ -378,12 +377,7 @@ def delete(self, app_id: str):
                 host="open.volcengineapi.com",
             )
         except Exception as e:
-            typer.echo(
-                typer.style(
-                    f"Delete application failed. Response: {e}",
-                    fg=typer.colors.BRIGHT_RED,
-                )
-            )
+            logger.error(f"Delete application failed. Response: {e}")
 
     def deploy(
         self,
diff --git a/veadk/integrations/ve_tls/ve_tls.py b/veadk/integrations/ve_tls/ve_tls.py
index f9c42ac3..bf0e824a 100644
--- a/veadk/integrations/ve_tls/ve_tls.py
+++ b/veadk/integrations/ve_tls/ve_tls.py
@@ -15,7 +15,6 @@
 import os
 
 from veadk.consts import DEFAULT_TLS_LOG_PROJECT_NAME, DEFAULT_TLS_TRACING_INSTANCE_NAME
-from veadk.integrations.ve_tls.utils import ve_tls_request
 from veadk.utils.logger import get_logger
 
 logger = get_logger(__name__)
@@ -30,11 +29,15 @@ def __init__(
     ):
         try:
             from volcengine.tls.TLSService import TLSService
+
+            from veadk.integrations.ve_tls.utils import ve_tls_request
         except ImportError:
             raise ImportError(
                 "Please install volcengine SDK before init VeTLS: pip install volcengine"
             )
 
+        self._ve_tls_request = ve_tls_request
+
         self.access_key = (
             access_key if access_key else os.getenv("VOLCENGINE_ACCESS_KEY", "")
         )
@@ -68,7 +71,7 @@ def get_project_id_by_name(self, project_name: str) -> str:
 
         try:
             res = None
-            res = ve_tls_request(
+            res = self._ve_tls_request(
                 client=self._client,
                 api="DescribeProjects",
                 body=request_body,
@@ -100,7 +103,7 @@ def create_log_project(self, project_name: str) -> str:
             "Tags": [{"Key": "provider", "Value": "VeADK"}],
         }
         try:
-            res = ve_tls_request(
+            res = self._ve_tls_request(
                 client=self._client, api="CreateProject", body=request_body
             )
 
@@ -123,7 +126,7 @@ def get_trace_instance_by_name(self, log_project_id: str, trace_instance_name: s
             "TraceInstanceName": trace_instance_name,
         }
         try:
-            res = ve_tls_request(
+            res = self._ve_tls_request(
                 client=self._client,
                 api="DescribeTraceInstances",
                 body=request_body,
@@ -155,7 +158,7 @@ def create_tracing_instance(self, log_project_id: str, trace_instance_name: str)
 
         try:
             res = None
-            res = ve_tls_request(
+            res = self._ve_tls_request(
                 client=self._client,
                 api="CreateTraceInstance",
                 body=request_body,
@@ -170,7 +173,7 @@ def create_tracing_instance(self, log_project_id: str, trace_instance_name: str)
                 )
 
             # after creation, get the trace instance details
-            res = ve_tls_request(
+            res = self._ve_tls_request(
                 client=self._client,
                 api="DescribeTraceInstance",
                 body={"TraceInstanceID": res["TraceInstanceID"]},
diff --git a/veadk/tracing/telemetry/telemetry.py b/veadk/tracing/telemetry/telemetry.py
index 3f882f4e..68d2e586 100644
--- a/veadk/tracing/telemetry/telemetry.py
+++ b/veadk/tracing/telemetry/telemetry.py
@@ -180,7 +180,10 @@ def set_common_attributes_on_tool_span(current_span: _Span) -> None:
         if span.context.span_id == parent_span_id:
             common_attributes = ATTRIBUTES.get("common", {})
             for attr_name in common_attributes.keys():
-                current_span.set_attribute(attr_name, span.attributes[attr_name])
+                if hasattr(span.attributes, attr_name):
+                    current_span.set_attribute(attr_name, span.attributes[attr_name])
+                else:
+                    logger.error(f"Parent span does not have attribute {attr_name}")
 
 
 def trace_send_data(): ...