improve error msg

peach-web/src/routes/settings/network.rs

@@ -271,12 +271,9 @@ pub fn add_credentials(wifi: Form<WiFi>, _auth: Authenticated) -> Template {
                 }
                 ("success".to_string(), "Added WiFi credentials".to_string())
             }
-            Err(_) => {
+            Err(e) => {
                 debug!("Failed to add WiFi credentials.");
-                (
-                    "error".to_string(),
-                    "Failed to add WiFi credentials".to_string(),
-                )
+                ("error".to_string(), format!("{}", e))
             }
         }
     };