diff --git a/src/Config.cpp b/src/Config.cpp
index 30244f3f..fd52db65 100644
--- a/src/Config.cpp
+++ b/src/Config.cpp
@@ -2,7 +2,6 @@
 
 void configure(String& path) {
     File file = seekFile(path);
-
     while (file.available()) {
         String jsonArrayElement = file.readStringUntil('}') + "}";
         String value;
@@ -11,9 +10,11 @@ void configure(String& path) {
                 //=============================
             } else if (value == F("pwm-out")) {
                 //=============================
+            } else {
+                SerialPrint(F("E"), F("Config"), F("config.json error, type not exist"));
             }
         } else {
-            SerialPrint(F("E"), F("System"), F("Fatal configuration error, type wrong or missing"));
+            SerialPrint(F("E"), F("Config"), F("config.json error, type wrong or missing"));
         }
     }
     file.close();