diff --git a/app/chain/recommend.py b/app/chain/recommend.py
index e6744ebf..7d2241f1 100644
--- a/app/chain/recommend.py
+++ b/app/chain/recommend.py
@@ -167,7 +167,7 @@ class RecommendChain(ChainBase, metaclass=Singleton):
                     with_original_language: Optional[str] = "",
                     with_keywords: Optional[str] = "",
                     with_watch_providers: Optional[str] = "",
-                    vote_average: Optional[float] = 0,
+                    vote_average: Optional[float] = 0.0,
                     vote_count: Optional[int] = 0,
                     release_date: Optional[str] = "",
                     page: Optional[int] = 1) -> List[dict]:
@@ -193,7 +193,7 @@ class RecommendChain(ChainBase, metaclass=Singleton):
                  with_original_language: Optional[str] = "zh|en|ja|ko",
                  with_keywords: Optional[str] = "",
                  with_watch_providers: Optional[str] = "",
-                 vote_average: Optional[float] = 0,
+                 vote_average: Optional[float] = 0.0,
                  vote_count: Optional[int] = 0,
                  release_date: Optional[str] = "",
                  page: Optional[int] = 1) -> List[dict]: