Update r2_sync.py

r2_sync.py

@@ -31,7 +31,7 @@ class Config:
         self.api_key = os.getenv("API_AUTH_KEY")
         self.api_endpoint = os.getenv("API_ENDPOINT")
         self.sync_interval = int(os.getenv("SYNC_INTERVAL", "300"))  # 默认5分钟
-        self.use_hash_check = os.getenv("USE_HASH_CHECK", "false").lower() == "true"
+        self.use_hash_check = os.getenv("USE_HASH_CHECK", "true").lower() == "true"
         self.max_upload_workers = int(os.getenv("MAX_UPLOAD_WORKERS", "500"))
         self.upload_retry_delay = int(os.getenv("UPLOAD_RETRY_DELAY", "60"))  # 秒