diff --git a/pretor/adapter/model_adapter/deepseek_reasoner.py b/pretor/adapter/model_adapter/deepseek_reasoner.py
index ee3193c..131b0f8 100644
--- a/pretor/adapter/model_adapter/deepseek_reasoner.py
+++ b/pretor/adapter/model_adapter/deepseek_reasoner.py
@@ -7,6 +7,17 @@ from pydantic_ai.run import AgentRunResult
 
 T = TypeVar('T', bound=BaseModel)
 
+class AgentRunResultProxy:
+    def __init__(self, original, parsed):
+        self._original = original
+        self._parsed = parsed
+    def __getattr__(self, name):
+        if name == 'data':
+            return self._parsed
+        if name == 'output':
+            return self._parsed
+        return getattr(self._original, name)
+
 class DeepSeekReasonerAgent(Generic[T]):
     """
     专为 DeepSeek-V4/R1 设计的适配器。
@@ -32,12 +43,9 @@ class DeepSeekReasonerAgent(Generic[T]):
         format_instruction = ""
         if self.has_custom_output:
             try:
-                if hasattr(self.output_schema, 'model_json_schema'):
-                    schema_str = json.dumps(self.output_schema.model_json_schema(), ensure_ascii=False)
-                else:
-                    # Don't inject <class 'dict'> into prompt
-                    schema_str = str(getattr(self.output_schema, '__name__', str(self.output_schema)))
-
+                from pydantic import TypeAdapter
+                schema_dict = TypeAdapter(self.output_schema).json_schema()
+                schema_str = json.dumps(schema_dict, ensure_ascii=False)
                 format_instruction = (
                     f"\n\nCRITICAL: 你必须输出且只能输出一段纯 JSON 格式的数据，"
                     f"并包裹在 ```json 和 ``` 之间。格式必须符合以下 JSON Schema 结构（或对应数据类型）：\n"
@@ -95,10 +103,9 @@ class DeepSeekReasonerAgent(Generic[T]):
             raise ValueError("未找到有效的 JSON 块。请将结果包装在 ```json 中。")
 
         try:
-            if hasattr(self.output_schema, 'model_validate_json'):
-                return self.output_schema.model_validate_json(json_str)
-            else:
-                return json.loads(json_str)
+            from pydantic import TypeAdapter
+            adapter = TypeAdapter(self.output_schema)
+            return adapter.validate_json(json_str)
         except ValidationError as e:
             raise ValueError(f"返回的 JSON 无法匹配所需结构：{e}")
         except json.JSONDecodeError as e:
@@ -128,17 +135,6 @@ class DeepSeekReasonerAgent(Generic[T]):
                 parsed_data = self._parse_output(raw_text)
 
                 # Proxy the result to inject the parsed data seamlessly
-                class AgentRunResultProxy:
-                    def __init__(self, original, parsed):
-                        self._original = original
-                        self._parsed = parsed
-                    def __getattr__(self, name):
-                        if name == 'data':
-                            return self._parsed
-                        if name == 'output':
-                            return self._parsed
-                        return getattr(self._original, name)
-
                 return AgentRunResultProxy(result, parsed_data)
 
             except ValueError as e: