diff --git a/lightrag/operate.py b/lightrag/operate.py
index dcd3410a..6d251d27 100644
--- a/lightrag/operate.py
+++ b/lightrag/operate.py
@@ -1279,10 +1279,11 @@ async def _merge_nodes_then_upsert(
         )
 
         # Log based on actual LLM usage
-        if llm_was_used:
-            status_message = f"LLMmrg: `{entity_name}` | {already_fragment}+{num_fragment - already_fragment}{dd_message}"
-        else:
-            status_message = f"Merged: `{entity_name}` | {already_fragment}+{num_fragment - already_fragment}{dd_message}"
+        if already_fragment > 0:
+            if llm_was_used:
+                status_message = f"LLMmrg: `{entity_name}` | {already_fragment}+{num_fragment - already_fragment}{dd_message}"
+            else:
+                status_message = f"Merged: `{entity_name}` | {already_fragment}+{num_fragment - already_fragment}{dd_message}"
 
         logger.info(status_message)
         if pipeline_status is not None and pipeline_status_lock is not None:
@@ -1396,10 +1397,11 @@ async def _merge_edges_then_upsert(
         )
 
         # Log based on actual LLM usage
-        if llm_was_used:
-            status_message = f"LLMmrg: `{src_id}`~`{tgt_id}` | {already_fragment}+{num_fragment - already_fragment}{dd_message}"
-        else:
-            status_message = f"Merged: `{src_id}`~`{tgt_id}` | {already_fragment}+{num_fragment - already_fragment}{dd_message}"
+        if already_fragment > 0:
+            if llm_was_used:
+                status_message = f"LLMmrg: `{src_id}`~`{tgt_id}` | {already_fragment}+{num_fragment - already_fragment}{dd_message}"
+            else:
+                status_message = f"Merged: `{src_id}`~`{tgt_id}` | {already_fragment}+{num_fragment - already_fragment}{dd_message}"
 
         logger.info(status_message)
         if pipeline_status is not None and pipeline_status_lock is not None: