diff --git a/src/graph/nodes.py b/src/graph/nodes.py
index 412b362..a87bf56 100644
--- a/src/graph/nodes.py
+++ b/src/graph/nodes.py
@@ -225,6 +225,12 @@ def coordinator_node(
                     break
         except Exception as e:
             logger.error(f"Error processing tool calls: {e}")
+    else:
+        logger.warning(
+            "Coordinator response contains no tool calls. Terminating workflow execution."
+        )
+        logger.debug(f"Coordinator response: {response}")
+
     return Command(
         update={"locale": locale},
         goto=goto,
diff --git a/web/src/app/settings/tabs/about.md b/web/src/app/settings/tabs/about.md
index c965530..42ee3a2 100644
--- a/web/src/app/settings/tabs/about.md
+++ b/web/src/app/settings/tabs/about.md
@@ -39,7 +39,7 @@ These outstanding projects form the backbone of DeerFlow and exemplify the trans
 ### Special Thanks
 Finally, we want to express our heartfelt gratitude to the core authors of `DeerFlow`:
 
-- **[DanielWalnut](https://github.com/hetaoBackend/)**
+- **[Daniel Walnut](https://github.com/hetaoBackend/)**
 - **[Henry Li](https://github.com/magiccube/)**
 
 Without their vision, passion and dedication, `DeerFlow` would not be what it is today.