diff --git a/DB.py b/DB.py
index 96871ae..f5018ac 100644
--- a/DB.py
+++ b/DB.py
@@ -433,6 +433,7 @@ class DBVidcon:
 
     @redis_retry(max_retries=3)
     def get_proxy(self, region_code: str) -> str:
+        region_code = region_code.upper()
         list_json_str = self.redis.hget("proxy_config", "list") or "[]"
         conf_str = self.redis.hget("proxy_config", "conf") or "0"