diff --git a/packages/adapters/redis/feature_flag_store.py b/packages/adapters/redis/feature_flag_store.py
index cee3d3bd8..7e29f9cf5 100755
--- a/packages/adapters/redis/feature_flag_store.py
+++ b/packages/adapters/redis/feature_flag_store.py
@@ -85,7 +85,7 @@ class FeatureFlagConfig:
         # 基于 identifier 做哈希取模，确保同一用户始终落在同一侧
         if identifier:
             hash_val = int(
-                hashlib.md5(f"{self.name}:{identifier}".encode("utf-8")).hexdigest(), 16
+                hashlib.md5(f"{self.name}:{identifier}".encode("utf-8")).hexdigest(), 16  # nosec B324
             )  # nosec B324 - 用于哈希取模做百分比切流，非安全用途
             return (hash_val % 100) < self.percentage