diff --git a/agent/component/agent_with_tools.py b/agent/component/agent_with_tools.py
index 98dfbc92f..a27504139 100644
--- a/agent/component/agent_with_tools.py
+++ b/agent/component/agent_with_tools.py
@@ -368,11 +368,19 @@ Respond immediately with your final comprehensive answer.
 
         return "Error occurred."
 
-    def reset(self, temp=False):
+    def reset(self, only_output=False):
         """
         Reset all tools if they have a reset method. This avoids errors for tools like MCPToolCallSession.
         """
+        for k in self._param.outputs.keys():
+            self._param.outputs[k]["value"] = None
+            
         for k, cpn in self.tools.items():
             if hasattr(cpn, "reset") and callable(cpn.reset):
                 cpn.reset()
+        if only_output:
+            return
+        for k in self._param.inputs.keys():
+            self._param.inputs[k]["value"] = None
+        self._param.debug_inputs = {}
 
diff --git a/agent/component/llm.py b/agent/component/llm.py
index 6ce0f65a5..b08e0591e 100644
--- a/agent/component/llm.py
+++ b/agent/component/llm.py
@@ -222,7 +222,7 @@ class LLM(ComponentBase):
             output_structure = self._param.outputs['structured']
         except Exception:
             pass
-        if output_structure:
+        if output_structure and isinstance(output_structure, dict) and output_structure.get("properties"):
             schema=json.dumps(output_structure, ensure_ascii=False, indent=2)
             prompt += structured_output_prompt(schema)
             for _ in range(self._param.max_retries+1):
diff --git a/deepdoc/parser/docling_parser.py b/deepdoc/parser/docling_parser.py
index dd0f57ea4..9d67478c8 100644
--- a/deepdoc/parser/docling_parser.py
+++ b/deepdoc/parser/docling_parser.py
@@ -186,9 +186,6 @@ class DoclingParser(RAGFlowPdfParser):
                 yield (DoclingContentType.EQUATION.value, text, bbox)
 
     def _transfer_to_sections(self, doc) -> list[tuple[str, str]]:
-        """
-        和 MinerUParser 保持一致：返回 [(section_text, line_tag), ...]
-        """
         sections: list[tuple[str, str]] = []
         for typ, payload, bbox in self._iter_doc_items(doc):
             if typ == DoclingContentType.TEXT.value: