diff --git a/app/api/v1/chat.py b/app/api/v1/chat.py
index ae8ae1e..fdcd8ba 100644
--- a/app/api/v1/chat.py
+++ b/app/api/v1/chat.py
@@ -364,7 +364,7 @@ def validate_request(request: ChatCompletionRequest):
             content = msg.content
 
         # 列表内容
-        if isinstance(content, list):
+        elif isinstance(content, list):
             if not content:
                 raise ValidationException(
                     message="Message content cannot be an empty array",