diff --git a/main.py b/main.py
index 69f60ce..08a6d23 100644
--- a/main.py
+++ b/main.py
@@ -14,26 +14,25 @@ class Main():
     def init_log_handlers(self):
         with open(".env.yaml", "r") as file:
             config = yaml.safe_load(file)
-            if config["log"] is None:
+            try:
+                log_handler_confg = config["log"]["handlers"]
+                log_handlers = [logging.StreamHandler()]
+                for handler_config in log_handler_confg:
+                    if handler_config["type"] == "loki":
+                        log_handlers.append(LokiLoggerHandler(
+                        url=handler_config["url"],
+                        additional_headers={"X-Odin-Auth": handler_config["x-odin-auth"]},
+                        labels=handler_config["labels"],
+                        label_keys={},
+                        timeout=10,
+                        enable_structured_loki_metadata=True,
+                        loki_metadata={"service": "user-service", "version": "1.0.0"},
+                        insecure_ssl_verify=False
+                    ))
+                logging.basicConfig(level=logging.DEBUG, handlers=log_handlers)
+                logging.info("logging init finish")
+            except KeyError:
                 return
-            if config["log"]["handlers"] is None:
-                return
-            log_handler_confg = config["log"]["handlers"]
-            log_handlers = [logging.StreamHandler()]
-            for handler_config in log_handler_confg:
-                if handler_config["type"] == "loki":
-                    log_handlers.append(LokiLoggerHandler(
-                    url=handler_config["url"],
-                    additional_headers={"X-Odin-Auth": handler_config["x-odin-auth"]},
-                    labels=handler_config["labels"],
-                    label_keys={},
-                    timeout=10,
-                    enable_structured_loki_metadata=True,
-                    loki_metadata={"service": "user-service", "version": "1.0.0"},
-                    insecure_ssl_verify=False
-                ))
-            logging.basicConfig(level=logging.DEBUG, handlers=log_handlers)
-            logging.info("logging init finish")
                 
     def __init__(self) -> None:
         self.init_log_handlers()