diff --git a/api/extensions/ext_otel.py b/api/extensions/ext_otel.py
index fce5736032..f27e467801 100644
--- a/api/extensions/ext_otel.py
+++ b/api/extensions/ext_otel.py
@@ -66,12 +66,20 @@ def init_app(app: DifyApp):
             exporter = GRPCSpanExporter(
                 endpoint=endpoint,
                 # Header field names must consist of lowercase letters, check RFC7540
-                headers=((("authorization", f"Bearer {dify_config.OTLP_API_KEY}"),) if dify_config.OTLP_API_KEY else None),
+                headers=(
+                    (
+                        ("authorization", f"Bearer {dify_config.OTLP_API_KEY}"),
+                    ) if dify_config.OTLP_API_KEY else None
+                ),
                 insecure=insecure,
             )
             metric_exporter = GRPCMetricExporter(
                 endpoint=endpoint,
-                headers=((("authorization", f"Bearer {dify_config.OTLP_API_KEY}"),) if dify_config.OTLP_API_KEY else None),
+                headers=(
+                    (
+                        ("authorization", f"Bearer {dify_config.OTLP_API_KEY}"),
+                    ) if dify_config.OTLP_API_KEY else None
+                ),
                 insecure=insecure,
             )
         else:
diff --git a/api/tasks/ops_trace_task.py b/api/tasks/ops_trace_task.py
index 5b61e9e7a1..3d3a9755a5 100644
--- a/api/tasks/ops_trace_task.py
+++ b/api/tasks/ops_trace_task.py
@@ -51,7 +51,7 @@ def process_trace_tasks(file_info):
             try:
                 EnterpriseOtelTrace().trace(trace_info)
             except Exception:
-                logger.warning("Enterprise trace failed for app_id: %s", app_id, exc_info=True)
+                logger.exception("Enterprise trace failed for app_id: %s", app_id)
 
         if trace_instance:
             with current_app.app_context():