diff --git a/httpfpt/schemas/case_data.py b/httpfpt/schemas/case_data.py
index 8ca6424..8eaad33 100644
--- a/httpfpt/schemas/case_data.py
+++ b/httpfpt/schemas/case_data.py
@@ -147,7 +147,7 @@ class StepsTearDownData(BaseModel):
 class Steps(BaseModel):
     name: str
     case_id: str
-    description: str
+    description: str | None = None
     is_run: bool | dict | None = None
     mark: list[str] | None = None
     retry: int | None = None
diff --git a/httpfpt/utils/request/request_data_parse.py b/httpfpt/utils/request/request_data_parse.py
index 3f93324..d3aaf1b 100644
--- a/httpfpt/utils/request/request_data_parse.py
+++ b/httpfpt/utils/request/request_data_parse.py
@@ -274,7 +274,7 @@ def case_id(self) -> str:
     def description(self) -> str | None:
         try:
             description = self.request_data['test_steps']['description']
-            if not isinstance(description, str):
+            if description and not isinstance(description, str):
                 raise RequestDataParseError(_error_msg('参数 test_steps:description 不是有效的 str 类型'))
         except _RequestDataParamGetError:
             description = None