diff --git a/backend/config.py b/backend/config.py
index 6d0a199..0d2340a 100644
--- a/backend/config.py
+++ b/backend/config.py
@@ -75,19 +75,29 @@ class ProxyElem:
         for url in urls:
             if isinstance(url, tuple):
                 clean_urls.append(url[0])
-                link_requests.append(
-                    ProxyCreateLink.parse_obj(
-                        {"upstream": url[0], "ctype": url[1], "region": self.region}
-                    )
-                )
             else:
                 clean_urls.append(url)
-                link_requests.append(
-                    ProxyCreateLink.parse_obj({"upstream": url, "region": self.region})
-                )
         if not isinstance(proxy_server, str):
             return clean_urls
 
+        try:
+            for url in urls:
+                if isinstance(url, tuple):
+                    link_requests.append(
+                        ProxyCreateLink.parse_obj(
+                            {"upstream": url[0], "ctype": url[1], "region": self.region}
+                        )
+                    )
+                else:
+                    link_requests.append(
+                        ProxyCreateLink.parse_obj(
+                            {"upstream": url, "region": self.region}
+                        )
+                    )
+        except pydantic.ValidationError as e:
+            logger.info(e)
+            return clean_urls
+
         response_data: ProxyRequest
         response_data: ProxyResponse
 
@@ -105,7 +115,7 @@ class ProxyElem:
                 response_data = cast(
                     ProxyResponse, ProxyResponse.parse_obj(await resp.text())
                 )
-        except Exception as e:
+        except (aiohttp.ClientError, pydantic.ValidationError) as e:
             logger.info(e)
         else:
             ret_data = []